diff options
Diffstat (limited to 'indra/newview/app_settings')
84 files changed, 4433 insertions, 3288 deletions
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml index 16d8cd9f06..cd33690075 100644 --- a/indra/newview/app_settings/settings.xml +++ b/indra/newview/app_settings/settings.xml @@ -1252,6 +1252,17 @@ <key>Value</key> <integer>1</integer> </map> + <key>BulkChangeIncludeMaterials</key> + <map> + <key>Comment</key> + <string>Bulk permission changes affect materials</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>Boolean</string> + <key>Value</key> + <integer>1</integer> + </map> <key>BulkChangeEveryoneCopy</key> <map> <key>Comment</key> @@ -3387,6 +3398,29 @@ <key>Value</key> <integer>0</integer> </map> + <!-- TODO: Remove settings keys DisablePrimaryGraphicsMemoryAccounting and DisableSecondaryGraphicsMemoryAccounting after testing, and code that references them --> + <key>DisablePrimaryGraphicsMemoryAccounting</key> + <map> + <key>Comment</key> + <string>Disable the first method used to detect GPU memory use</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>Boolean</string> + <key>Value</key> + <integer>0</integer> + </map> + <key>DisableSecondaryGraphicsMemoryAccounting</key> + <map> + <key>Comment</key> + <string>Disable the second method used to detect GPU memory use, used as a fallback when the first method fails</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>Boolean</string> + <key>Value</key> + <integer>0</integer> + </map> <key>DisableTextHyperlinkActions</key> <map> <key>Comment</key> @@ -3913,7 +3947,7 @@ <key>Type</key> <string>F32</string> <key>Value</key> - <real>0.1</real> + <real>1.0</real> </map> <key>QueueInventoryFetchTimeout</key> <map> @@ -8795,13 +8829,13 @@ <key>RenderAvatarCloth</key> <map> <key>Comment</key> - <string>Controls if avatars use wavy cloth</string> + <string>DEPRECATED - only false supported - Controls if avatars use wavy cloth</string> <key>Persist</key> <integer>1</integer> <key>Type</key> <string>Boolean</string> <key>Value</key> - <integer>1</integer> + <integer>0</integer> </map> <key>RenderComplexityColorMin</key> <map> @@ -9610,16 +9644,28 @@ <real>368.0</real> </map> + <key>RenderPBR</key> + <map> + <key>Comment</key> + <string>Use PBR rendering pipeline (Physically Based Rendering).</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>Boolean</string> + <key>Value</key> + <integer>1</integer> + </map> + <key>RenderDeferred</key> <map> <key>Comment</key> - <string>Use deferred rendering pipeline (Advanced Lighting Model).</string> + <string>DEPRECATED (only true supported) - Use deferred rendering pipeline (Advanced Lighting Model).</string> <key>Persist</key> <integer>1</integer> <key>Type</key> <string>Boolean</string> <key>Value</key> - <integer>0</integer> + <integer>1</integer> </map> <key>RenderDeferredSun</key> @@ -9834,7 +9880,7 @@ <key>RenderFogRatio</key> <map> <key>Comment</key> - <string>Distance from camera where fog reaches maximum density (fraction or multiple of far clip distance)</string> + <string>DEPRECATED - Distance from camera where fog reaches maximum density (fraction or multiple of far clip distance)</string> <key>Persist</key> <integer>1</integer> <key>Type</key> @@ -9845,7 +9891,7 @@ <key>RenderGamma</key> <map> <key>Comment</key> - <string>Sets gamma exponent for renderer</string> + <string>DEPRECATED - Sets gamma exponent for renderer</string> <key>Persist</key> <integer>1</integer> <key>Type</key> @@ -10238,7 +10284,7 @@ <key>RenderObjectBump</key> <map> <key>Comment</key> - <string>Show bumpmapping on primitives</string> + <string>DEPRECATED (only TRUE supported) Show bumpmapping on primitives</string> <key>Persist</key> <integer>1</integer> <key>Type</key> @@ -10279,8 +10325,64 @@ <key>Value</key> <integer>2</integer> </map> + <key>RenderReflectionProbeDetail</key> + <map> + <key>Comment</key> + <string>Detail of reflections.</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>S32</string> + <key>Value</key> + <integer>1</integer> + </map> + <key>RenderReflectionProbeCount</key> + <map> + <key>Comment</key> + <string>Number of reflection probes (maximum is 256, requires restart)</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>S32</string> + <key>Value</key> + <integer>256</integer> + </map> - <key>RenderReflectionRes</key> + <key>RenderReflectionProbeDrawDistance</key> + <map> + <key>Comment</key> + <string>Camera far clip to use when updating reflection probes.</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>F32</string> + <key>Value</key> + <real>64</real> + </map> + <key>RenderReflectionProbeAmbiance</key> + <map> + <key>Comment</key> + <string>Amount reflection probes contribute to ambient light.</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>F32</string> + <key>Value</key> + <real>0</real> + </map> + <key>RenderReflectionProbeTextureHackID</key> + <map> + <key>Comment</key> + <string>HACK -- Any object with a diffuse texture with this ID will be treated as a user override reflection probe. (default is "Violet Info Hub" photo from Library)</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>String</string> + <key>Value</key> + <string>6b186931-05da-eafa-a3ed-a012a33bbfb6</string> + </map> + + <key>RenderReflectionRes</key> <map> <key>Comment</key> <string>Reflection map resolution.</string> @@ -10379,17 +10481,6 @@ <key>Value</key> <real>12.0</real> </map> - <key>RenderTextureMemoryMultiple</key> - <map> - <key>Comment</key> - <string>Multiple of texture memory value to use (should fit: 0 < value <= 1.0)</string> - <key>Persist</key> - <integer>1</integer> - <key>Type</key> - <string>F32</string> - <key>Value</key> - <real>1.0</real> - </map> <key>RenderTrackerBeacon</key> <map> <key>Comment</key> @@ -11156,6 +11247,17 @@ <key>Value</key> <integer>0</integer> </map> + <key>SelectInvisibleObjects</key> + <map> + <key>Comment</key> + <string>Select invisible objects</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>Boolean</string> + <key>Value</key> + <integer>1</integer> + </map> <key>SelectOwnedOnly</key> <map> <key>Comment</key> @@ -12458,17 +12560,6 @@ <key>Value</key> <real>20.0</real> </map> - <key>TexelPixelRatio</key> - <map> - <key>Comment</key> - <string>texel pixel ratio = texel / pixel</string> - <key>Persist</key> - <integer>1</integer> - <key>Type</key> - <string>F32</string> - <key>Value</key> - <real>1.0</real> - </map> <key>TextureCameraMotionThreshold</key> <map> <key>Comment</key> @@ -12568,17 +12659,6 @@ <key>Value</key> <integer>0</integer> </map> - <key>TextureFetchDebuggerEnabled</key> - <map> - <key>Comment</key> - <string>Enable the texture fetching debugger if set</string> - <key>Persist</key> - <integer>1</integer> - <key>Type</key> - <string>Boolean</string> - <key>Value</key> - <integer>0</integer> - </map> <key>TextureFetchMinTimeToLog</key> <map> <key>Comment</key> @@ -12601,43 +12681,10 @@ <key>Value</key> <real>0.0</real> </map> - <key>TextureFetchSource</key> - <map> - <key>Comment</key> - <string>Debug use: Source to fetch textures</string> - <key>Persist</key> - <integer>1</integer> - <key>Type</key> - <string>S32</string> - <key>Value</key> - <integer>0</integer> - </map> - <key>TextureFetchUpdateHighPriority</key> - <map> - <key>Comment</key> - <string>Number of high priority textures to update per frame</string> - <key>Persist</key> - <integer>1</integer> - <key>Type</key> - <string>S32</string> - <key>Value</key> - <integer>32</integer> - </map> - <key>TextureFetchUpdateMaxMediumPriority</key> - <map> - <key>Comment</key> - <string>Maximum number of medium priority textures to update per frame</string> - <key>Persist</key> - <integer>1</integer> - <key>Type</key> - <string>S32</string> - <key>Value</key> - <integer>256</integer> - </map> - <key>TextureFetchUpdateMinMediumPriority</key> + <key>TextureFetchUpdateMinCount</key> <map> <key>Comment</key> - <string>Minimum number of medium priority textures to update per frame</string> + <string>Minimum number of textures to update per frame</string> <key>Persist</key> <integer>1</integer> <key>Type</key> @@ -12645,69 +12692,14 @@ <key>Value</key> <integer>32</integer> </map> - <key>TextureFetchUpdatePriorityThreshold</key> - <map> - <key>Comment</key> - <string>Threshold under which textures will be considered too low priority and skipped for update</string> - <key>Persist</key> - <integer>1</integer> - <key>Type</key> - <string>F32</string> - <key>Value</key> - <real>0.0</real> - </map> - <key>TextureFetchUpdateSkipLowPriority</key> - <map> - <key>Comment</key> - <string>Flag indicating if we want to skip textures with too low of a priority</string> - <key>Persist</key> - <integer>1</integer> - <key>Type</key> - <string>Boolean</string> - <key>Value</key> - <integer>0</integer> - </map> - <key>TextureFetchUpdatePriorities</key> - <map> - <key>Comment</key> - <string>Number of priority texture to update per frame</string> - <key>Persist</key> - <integer>1</integer> - <key>Type</key> - <string>S32</string> - <key>Value</key> - <integer>32</integer> - </map> - <key>TextureListFetchingThreshold</key> - <map> - <key>Comment</key> - <string>If the ratio between fetched and all textures in the list is greater than this threshold, which we assume that almost all textures are fetched</string> - <key>Persist</key> - <integer>1</integer> - <key>Type</key> - <string>F32</string> - <key>Value</key> - <real>0.97</real> - </map> <key>TextureLoadFullRes</key> <map> <key>Comment</key> <string>If TRUE, always load textures at full resolution (discard = 0)</string> <key>Persist</key> - <integer>0</integer> - <key>Type</key> - <string>Boolean</string> - <key>Value</key> - <integer>0</integer> - </map> - <key>TextureMemory</key> - <map> - <key>Comment</key> - <string>Amount of memory to use for textures in MB (0 = autodetect)</string> - <key>Persist</key> <integer>1</integer> <key>Type</key> - <string>S32</string> + <string>Boolean</string> <key>Value</key> <integer>0</integer> </map> @@ -12777,7 +12769,9 @@ <key>Value</key> <map> <key>General</key> - <integer>4</integer> + <integer>1</integer> + <key>ImageDecode</key> + <integer>9</integer> </map> </map> <key>ThrottleBandwidthKBPS</key> @@ -14865,7 +14859,7 @@ <key>WindLightUseAtmosShaders</key> <map> <key>Comment</key> - <string>Whether to enable or disable WindLight atmospheric shaders.</string> + <string>DEPRECATED (only true supported) - Whether to enable or disable WindLight atmospheric shaders.</string> <key>Persist</key> <integer>1</integer> <key>Type</key> diff --git a/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl index 23adbded5e..73c125bbdc 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl @@ -29,8 +29,6 @@ uniform sampler2DRect depthMap; uniform float ssao_radius; uniform float ssao_max_radius; -uniform float ssao_factor; -uniform float ssao_factor_inv; uniform mat4 inv_proj; uniform vec2 screen_res; @@ -83,14 +81,14 @@ float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen) { float ret = 1.0; vec3 pos_world = pos.xyz; - vec2 noise_reflect = texture2D(noiseMap, pos_screen.xy/128.0).xy; + float angle_hidden = 0.0; float points = 0; - float scale = min(ssao_radius / -pos_world.z, ssao_max_radius); - // it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?) + float scale = min(ssao_radius / -pos_world.z, ssao_max_radius); + vec2 noise_reflect = texture2D(noiseMap, pos_screen.xy/128.0).xy; for (int i = 0; i < 8; i++) { vec2 samppos_screen = pos_screen + scale * reflect(getKern(i), noise_reflect); @@ -105,14 +103,14 @@ float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen) //(k should vary inversely with # of samples, but this is taken care of later) float funky_val = (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) ? 1.0 : 0.0; - angle_hidden = angle_hidden + funky_val * min(1.0/dist2, ssao_factor_inv); + angle_hidden = angle_hidden + funky_val * min(1.0/dist2, 1.0); // 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" float diffz_val = (diff.z > -1.0) ? 1.0 : 0.0; points = points + diffz_val; } - - angle_hidden = min(ssao_factor*angle_hidden/points, 1.0); + + angle_hidden = min(angle_hidden/points, 1.0); float points_val = (points > 0.0) ? 1.0 : 0.0; ret = (1.0 - (points_val * angle_hidden)); diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl index 60d83cc623..22b3bd1463 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl @@ -52,6 +52,6 @@ void main() frag_data[0] = vec4(diff.rgb, 0.0); frag_data[1] = vec4(0,0,0,0); vec3 nvn = normalize(vary_normal); - frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, 0.0); + frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, GBUFFER_FLAG_HAS_ATMOS); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl index 596d0274af..fa3634f3b6 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl @@ -69,36 +69,47 @@ void main() tc_mod *= 2.0; tc += ( (tc_mod - 0.5) * kern[1].z * dlt * 0.5 ); - for (int i = 1; i < 4; i++) + // TODO: move this to kern instead of building kernel per pixel + vec3 k[7]; + k[0] = kern[0]; + k[2] = kern[1]; + k[4] = kern[2]; + k[6] = kern[3]; + + k[1] = (k[0]+k[2])*0.5f; + k[3] = (k[2]+k[4])*0.5f; + k[5] = (k[4]+k[6])*0.5f; + + for (int i = 1; i < 7; i++) { - vec2 samptc = tc + kern[i].z*dlt; + vec2 samptc = tc + k[i].z*dlt*2.0; vec3 samppos = getPosition(samptc).xyz; float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane if (d*d <= pointplanedist_tolerance_pow2) { - col += texture2DRect(lightMap, samptc)*kern[i].xyxx; - defined_weight += kern[i].xy; + col += texture2DRect(lightMap, samptc)*k[i].xyxx; + defined_weight += k[i].xy; } } - for (int i = 1; i < 4; i++) + for (int i = 1; i < 7; i++) { - vec2 samptc = tc - kern[i].z*dlt; + vec2 samptc = tc - k[i].z*dlt*2.0; vec3 samppos = getPosition(samptc).xyz; float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane if (d*d <= pointplanedist_tolerance_pow2) { - col += texture2DRect(lightMap, samptc)*kern[i].xyxx; - defined_weight += kern[i].xy; + col += texture2DRect(lightMap, samptc)*k[i].xyxx; + defined_weight += k[i].xy; } } col /= defined_weight.xyxx; - col.y *= col.y; + //col.y *= max(col.y, 0.75); frag_color = col; diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl index b5677a07ee..749ec3a6ac 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl @@ -64,5 +64,5 @@ void main() frag_data[1] = vertex_color.aaaa; // spec //frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested vec3 nvn = normalize(tnorm); - frag_data[2] = vec4(encode_normal(nvn), vertex_color.a, 0.0); + frag_data[2] = vec4(encode_normal(nvn), vertex_color.a, GBUFFER_FLAG_HAS_ATMOS); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl index ae1ac5de7f..348e0f5228 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl @@ -124,7 +124,7 @@ void main() /// Gamma correct for WL (soft clip effect). frag_data[0] = vec4(color.rgb, alpha1); frag_data[1] = vec4(0.0,0.0,0.0,0.0); - frag_data[2] = vec4(0,0,0,1); + frag_data[2] = vec4(0,0,0,GBUFFER_FLAG_SKIP_ATMOS); gl_FragDepth = 0.99995f; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl index e27bbce094..68a57d12f0 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl @@ -25,10 +25,88 @@ uniform sampler2DRect normalMap; uniform sampler2DRect depthMap; +uniform sampler2D projectionMap; // rgba + +// projected lighted params +uniform mat4 proj_mat; //screen space to light space projector +uniform vec3 proj_n; // projector normal +uniform vec3 proj_p; //plane projection is emitting from (in screen space) +uniform float proj_focus; // distance from plane to begin blurring +uniform float proj_lod ; // (number of mips in proj map) +uniform float proj_range; // range between near clip and far clip plane of projection +uniform float proj_ambiance; + +// light params +uniform vec3 color; // light_color +uniform float size; // light_size uniform mat4 inv_proj; uniform vec2 screen_res; +const float M_PI = 3.14159265; +const float ONE_OVER_PI = 0.3183098861; + +vec3 srgb_to_linear(vec3 cs); + +float calcLegacyDistanceAttenuation(float distance, float falloff) +{ + float dist_atten = 1.0 - clamp((distance + falloff)/(1.0 + falloff), 0.0, 1.0); + dist_atten *= dist_atten; + + // Tweak falloff slightly to match pre-EEP attenuation + // NOTE: this magic number also shows up in a great many other places, search for dist_atten *= to audit + dist_atten *= 2.0; + return dist_atten; +} + +// In: +// lv unnormalized surface to light vector +// n normal of the surface +// pos unnormalized camera to surface vector +// Out: +// l normalized surace to light vector +// nl diffuse angle +// nh specular angle +void calcHalfVectors(vec3 lv, vec3 n, vec3 v, + out vec3 h, out vec3 l, out float nh, out float nl, out float nv, out float vh, out float lightDist) +{ + l = normalize(lv); + h = normalize(l + v); + nh = clamp(dot(n, h), 0.0, 1.0); + nl = clamp(dot(n, l), 0.0, 1.0); + nv = clamp(dot(n, v), 0.0, 1.0); + vh = clamp(dot(v, h), 0.0, 1.0); + + lightDist = length(lv); +} + +// In: +// light_center +// pos +// Out: +// dist +// l_dist +// lv +// proj_tc Projector Textue Coordinates +bool clipProjectedLightVars(vec3 light_center, vec3 pos, out float dist, out float l_dist, out vec3 lv, out vec4 proj_tc ) +{ + lv = light_center - pos.xyz; + dist = length(lv); + bool clipped = (dist >= size); + if ( !clipped ) + { + dist /= size; + + l_dist = -dot(lv, proj_n); + vec4 projected_point = (proj_mat * vec4(pos.xyz, 1.0)); + clipped = (projected_point.z < 0.0); + projected_point.xyz /= projected_point.w; + proj_tc = projected_point; + } + + return clipped; +} + vec2 getScreenCoordinate(vec2 screenpos) { vec2 sc = screenpos.xy * 2.0; @@ -39,6 +117,8 @@ vec2 getScreenCoordinate(vec2 screenpos) return sc - vec2(1.0, 1.0); } +// See: https://aras-p.info/texts/CompactNormalStorage.html +// Method #4: Spheremap Transform, Lambert Azimuthal Equal-Area projection vec3 getNorm(vec2 screenpos) { vec2 enc = texture2DRect(normalMap, screenpos.xy).xy; @@ -51,12 +131,136 @@ vec3 getNorm(vec2 screenpos) return n; } +vec3 getNormalFromPacked(vec4 packedNormalEnvIntensityFlags) +{ + vec2 enc = packedNormalEnvIntensityFlags.xy; + vec2 fenc = enc*4-2; + float f = dot(fenc,fenc); + float g = sqrt(1-f/4); + vec3 n; + n.xy = fenc*g; + n.z = 1-f/2; + return normalize(n); // TODO: Is this normalize redundant? +} + +// return packedNormalEnvIntensityFlags since GBUFFER_FLAG_HAS_PBR needs .w +// See: C++: addDeferredAttachments(), GLSL: softenLightF +vec4 getNormalEnvIntensityFlags(vec2 screenpos, out vec3 n, out float envIntensity) +{ + vec4 packedNormalEnvIntensityFlags = texture2DRect(normalMap, screenpos.xy); + n = getNormalFromPacked( packedNormalEnvIntensityFlags ); + envIntensity = packedNormalEnvIntensityFlags.z; + return packedNormalEnvIntensityFlags; +} + float getDepth(vec2 pos_screen) { float depth = texture2DRect(depthMap, pos_screen).r; return depth; } +vec4 getTexture2DLodAmbient(vec2 tc, float lod) +{ + vec4 ret = texture2DLod(projectionMap, tc, lod); + ret.rgb = srgb_to_linear(ret.rgb); + + vec2 dist = tc-vec2(0.5); + float d = dot(dist,dist); + ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0), 1.0); + + return ret; +} + +vec4 getTexture2DLodDiffuse(vec2 tc, float lod) +{ + vec4 ret = texture2DLod(projectionMap, tc, lod); + ret.rgb = srgb_to_linear(ret.rgb); + + vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); + float det = min(lod/(proj_lod*0.5), 1.0); + float d = min(dist.x, dist.y); + float edge = 0.25*det; + ret *= clamp(d/edge, 0.0, 1.0); + + return ret; +} + +// lit This is set by the caller: if (nl > 0.0) { lit = attenuation * nl * noise; } +// Uses: +// color Projected spotlight color +vec3 getProjectedLightAmbiance(float amb_da, float attenuation, float lit, float nl, float noise, vec2 projected_uv) +{ + vec4 amb_plcol = getTexture2DLodAmbient(projected_uv, proj_lod); + vec3 amb_rgb = amb_plcol.rgb * amb_plcol.a; + + amb_da += proj_ambiance; + amb_da += (nl*nl*0.5+0.5) * proj_ambiance; + amb_da *= attenuation * noise; + amb_da = min(amb_da, 1.0-lit); + + return (amb_da * color.rgb * amb_rgb); +} + +// Returns projected light in Linear +// Uses global spotlight color: +// color +// NOTE: projected.a will be pre-multiplied with projected.rgb +vec3 getProjectedLightDiffuseColor(float light_distance, vec2 projected_uv) +{ + float diff = clamp((light_distance - proj_focus)/proj_range, 0.0, 1.0); + float lod = diff * proj_lod; + vec4 plcol = getTexture2DLodDiffuse(projected_uv.xy, lod); + + return color.rgb * plcol.rgb * plcol.a; +} + +vec4 texture2DLodSpecular(vec2 tc, float lod) +{ + vec4 ret = texture2DLod(projectionMap, tc, lod); + ret.rgb = srgb_to_linear(ret.rgb); + + vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); + float det = min(lod/(proj_lod*0.5), 1.0); + float d = min(dist.x, dist.y); + d *= min(1, d * (proj_lod - lod)); // BUG? extra factor compared to diffuse causes N repeats + float edge = 0.25*det; + ret *= clamp(d/edge, 0.0, 1.0); + + return ret; +} + +// See: clipProjectedLightVars() +vec3 getProjectedLightSpecularColor(vec3 pos, vec3 n ) +{ + vec3 slit = vec3(0); + vec3 ref = reflect(normalize(pos), n); + + //project from point pos in direction ref to plane proj_p, proj_n + vec3 pdelta = proj_p-pos; + float l_dist = length(pdelta); + float ds = dot(ref, proj_n); + if (ds < 0.0) + { + vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; + vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0)); + if (stc.z > 0.0) + { + stc /= stc.w; + slit = getProjectedLightDiffuseColor( l_dist, stc.xy ); // NOTE: Using diffuse due to texture2DLodSpecular() has extra: d *= min(1, d * (proj_lod - lod)); + } + } + return slit; // specular light +} + +vec3 getProjectedLightSpecularColor(float light_distance, vec2 projected_uv) +{ + float diff = clamp((light_distance - proj_focus)/proj_range, 0.0, 1.0); + float lod = diff * proj_lod; + vec4 plcol = getTexture2DLodDiffuse(projected_uv.xy, lod); // NOTE: Using diffuse due to texture2DLodSpecular() has extra: d *= min(1, d * (proj_lod - lod)); + + return color.rgb * plcol.rgb * plcol.a; +} + vec4 getPosition(vec2 pos_screen) { float depth = getDepth(pos_screen); @@ -77,3 +281,191 @@ vec4 getPositionWithDepth(vec2 pos_screen, float depth) pos.w = 1.0; return pos; } + +vec2 getScreenXY(vec4 clip) +{ + vec4 ndc = clip; + ndc.xyz /= clip.w; + vec2 screen = vec2( ndc.xy * 0.5 ); + screen += 0.5; + screen *= screen_res; + return screen; +} + +// Color utils + +vec3 colorize_dot(float x) +{ + if (x > 0.0) return vec3( 0, x, 0 ); + if (x < 0.0) return vec3(-x, 0, 0 ); + return vec3( 0, 0, 1 ); +} + +vec3 hue_to_rgb(float hue) +{ + if (hue > 1.0) return vec3(0.5); + vec3 rgb = abs(hue * 6. - vec3(3, 2, 4)) * vec3(1, -1, -1) + vec3(-1, 2, 2); + return clamp(rgb, 0.0, 1.0); +} + +// PBR Utils + +// ior Index of Refraction, normally 1.5 +// returns reflect0 +float calcF0(float ior) +{ + float f0 = (1.0 - ior) / (1.0 + ior); + return f0 * f0; +} + +vec3 fresnel(float vh, vec3 f0, vec3 f90 ) +{ + float x = 1.0 - abs(vh); + float x2 = x*x; + float x5 = x2*x2*x; + vec3 fr = f0 + (f90 - f0)*x5; + return fr; +} + +vec3 fresnelSchlick( vec3 reflect0, vec3 reflect90, float vh) +{ + return reflect0 + (reflect90 - reflect0) * pow(clamp(1.0 - vh, 0.0, 1.0), 5.0); +} + +// Approximate Environment BRDF +vec2 getGGXApprox( vec2 uv ) +{ + // Reference: Physically Based Shading on Mobile + // https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile + // EnvBRDFApprox( vec3 SpecularColor, float Roughness, float NoV ) + float nv = uv.x; + float roughness = uv.y; + + const vec4 c0 = vec4( -1, -0.0275, -0.572, 0.022 ); + const vec4 c1 = vec4( 1, 0.0425, 1.04 , -0.04 ); + vec4 r = roughness * c0 + c1; + float a004 = min( r.x * r.x, exp2( -9.28 * nv ) ) * r.x + r.y; + vec2 ScaleBias = vec2( -1.04, 1.04 ) * a004 + r.zw; + return ScaleBias; +} + +#define PBR_USE_GGX_APPROX 1 +vec2 getGGX( vec2 brdfPoint ) +{ +#if PBR_USE_GGX_APPROX + return getGGXApprox( brdfPoint); +#else + return texture2D(GGXLUT, brdfPoint).rg; // TODO: use GGXLUT +#endif +} + + +// Reference: float getRangeAttenuation(float range, float distance) +float getLightAttenuationPointSpot(float range, float distance) +{ +#if 1 + return distance; +#else + float range2 = pow(range, 2.0); + + // support negative range as unlimited + if (range <= 0.0) + { + return 1.0 / range2; + } + + return max(min(1.0 - pow(distance / range, 4.0), 1.0), 0.0) / range2; +#endif +} + +vec3 getLightIntensityPoint(vec3 lightColor, float lightRange, float lightDistance) +{ + float rangeAttenuation = getLightAttenuationPointSpot(lightRange, lightDistance); + return rangeAttenuation * lightColor; +} + +float getLightAttenuationSpot(vec3 spotDirection) +{ + return 1.0; +} + +vec3 getLightIntensitySpot(vec3 lightColor, float lightRange, float lightDistance, vec3 v) +{ + float spotAttenuation = getLightAttenuationSpot(-v); + return spotAttenuation * getLightIntensityPoint( lightColor, lightRange, lightDistance ); +} + +// NOTE: This is different from the GGX texture +float D_GGX( float nh, float alphaRough ) +{ + float rough2 = alphaRough * alphaRough; + float f = (nh * nh) * (rough2 - 1.0) + 1.0; + return rough2 / (M_PI * f * f); +} + +// NOTE: This is different from the GGX texture +// See: +// Real Time Rendering, 4th Edition +// Page 341 +// Equation 9.43 +// Also see: +// https://google.github.io/filament/Filament.md.html#materialsystem/specularbrdf/geometricshadowing(specularg) +// 4.4.2 Geometric Shadowing (specular G) +float V_GGX( float nl, float nv, float alphaRough ) +{ +#if 1 + // Note: When roughness is zero, has discontuinity in the bottom hemisphere + float rough2 = alphaRough * alphaRough; + float ggxv = nl * sqrt(nv * nv * (1.0 - rough2) + rough2); + float ggxl = nv * sqrt(nl * nl * (1.0 - rough2) + rough2); + + float ggx = ggxv + ggxl; + if (ggx > 0.0) + { + return 0.5 / ggx; + } + return 0.0; +#else + // See: smithVisibility_GGXCorrelated, V_SmithCorrelated, etc. + float rough2 = alphaRough * alphaRough; + float ggxv = nl * sqrt(nv * (nv - rough2 * nv) + rough2); + float ggxl = nv * sqrt(nl * (nl - rough2 * nl) + rough2); + return 0.5 / (ggxv + ggxl); +#endif + +} + +// NOTE: Assumes a hard-coded IOR = 1.5 +void initMaterial( vec3 diffuse, vec3 packedORM, out float alphaRough, out vec3 c_diff, out vec3 reflect0, out vec3 reflect90, out float specWeight ) +{ + float metal = packedORM.b; + c_diff = mix(diffuse, vec3(0), metal); + float IOR = 1.5; // default Index Of Refraction 1.5 (dielectrics) + reflect0 = vec3(0.04); // -> incidence reflectance 0.04 +// reflect0 = vec3(calcF0(IOR)); + reflect0 = mix(reflect0, diffuse, metal); // reflect at 0 degrees + reflect90 = vec3(1); // reflect at 90 degrees + specWeight = 1.0; + + // When roughness is zero blender shows a tiny specular + float perceptualRough = max(packedORM.g, 0.1); + alphaRough = perceptualRough * perceptualRough; +} + +vec3 BRDFDiffuse(vec3 color) +{ + return color * ONE_OVER_PI; +} + +vec3 BRDFLambertian( vec3 reflect0, vec3 reflect90, vec3 c_diff, float specWeight, float vh ) +{ + return (1.0 - specWeight * fresnelSchlick( reflect0, reflect90, vh)) * BRDFDiffuse(c_diff); +} + +vec3 BRDFSpecularGGX( vec3 reflect0, vec3 reflect90, float alphaRough, float specWeight, float vh, float nl, float nv, float nh ) +{ + vec3 fresnel = fresnelSchlick( reflect0, reflect90, vh ); // Fresnel + float vis = V_GGX( nl, nv, alphaRough ); // Visibility + float d = D_GGX( nh, alphaRough ); // Distribution + return specWeight * fresnel * vis * d; +} diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl index b328ee9483..3bf148502c 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl @@ -53,6 +53,6 @@ void main() frag_data[0] = vec4(col.rgb, 0.0); frag_data[1] = vec4(0,0,0,0); // spec vec3 nvn = normalize(vary_normal); - frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, 0.0); + frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, GBUFFER_FLAG_HAS_ATMOS); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl index fc5c86b4d6..e15239b59d 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl @@ -52,5 +52,5 @@ void main() frag_data[0] = vec4(col.rgb, 0.0); frag_data[1] = vec4(0,0,0,0); vec3 nvn = normalize(vary_normal); - frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, 0.0); + frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, GBUFFER_FLAG_HAS_ATMOS); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl index 1bb8eb8bd0..b0ff233414 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl @@ -52,6 +52,6 @@ void main() frag_data[0] = vec4(col.rgb, 0.0); frag_data[1] = vec4(0,0,0,0); // spec vec3 nvn = normalize(vary_normal); - frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, 0.0); + frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, GBUFFER_FLAG_HAS_ATMOS); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl index 8319e61242..b2d2e2fa71 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl @@ -46,6 +46,6 @@ void main() frag_data[1] = vertex_color.aaaa; // spec //frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested vec3 nvn = normalize(vary_normal); - frag_data[2] = vec4(encode_normal(nvn.xyz), vertex_color.a, 0.0); + frag_data[2] = vec4(encode_normal(nvn.xyz), vertex_color.a, GBUFFER_FLAG_HAS_ATMOS); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl index ccd1df84f9..b4bc114dd5 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl @@ -48,5 +48,5 @@ void main() frag_data[0] = vec4(col, 0.0); frag_data[1] = vec4(spec, vertex_color.a); // spec vec3 nvn = normalize(vary_normal); - frag_data[2] = vec4(encode_normal(nvn.xyz), vertex_color.a, 0.0); + frag_data[2] = vec4(encode_normal(nvn.xyz), vertex_color.a, GBUFFER_FLAG_HAS_ATMOS); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyF.glsl index 9fcee04c32..f693323d45 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyF.glsl @@ -38,7 +38,7 @@ uniform sampler2D diffuseMap; VARYING vec4 vertex_color; VARYING vec2 vary_texcoord0; VARYING vec3 vary_texcoord1; -VARYING vec4 vary_position; +VARYING vec3 vary_position; uniform samplerCube environmentMap; @@ -74,7 +74,7 @@ void main() vec3 amblit; vec3 additive; vec3 atten; - vec3 pos = vary_position.xyz/vary_position.w; + vec3 pos = vary_position.xyz; calcAtmosphericVars(pos.xyz, vec3(0), 1.0, sunlit, amblit, additive, atten, false); diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl index 3bd6b693fa..5264b3b716 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl @@ -45,7 +45,7 @@ ATTRIBUTE vec2 texcoord0; VARYING vec4 vertex_color; VARYING vec2 vary_texcoord0; VARYING vec3 vary_texcoord1; -VARYING vec4 vary_position; +VARYING vec3 vary_position; #ifdef HAS_SKIN mat4 getObjectSkinnedTransform(); @@ -62,17 +62,23 @@ void main() mat4 mat = getObjectSkinnedTransform(); mat = modelview_matrix * mat; vec4 pos = mat * vert; - vary_position = gl_Position = projection_matrix * pos; + gl_Position = projection_matrix * pos; vec3 norm = normalize((mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz); #else vec4 pos = (modelview_matrix * vert); - vary_position = gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0); + gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0); vec3 norm = normalize(normal_matrix * normal); #endif - vec3 ref = reflect(pos.xyz, -norm); + vary_position = pos.xyz; vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy; - vary_texcoord1 = (texture_matrix1 * vec4(ref,1.0)).xyz; + +#ifndef HAS_REFLECTION_PROBES + vec3 ref = reflect(pos.xyz, -norm); + vary_texcoord1 = transpose(normal_matrix) * ref.xyz; +#else + vary_texcoord1 = norm; +#endif calcAtmospherics(pos.xyz); diff --git a/indra/newview/app_settings/shaders/class1/deferred/highlightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/highlightF.glsl index 90566393d2..75f914cb02 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/highlightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/highlightF.glsl @@ -38,5 +38,5 @@ void main() { frag_data[0] = color*texture2D(diffuseMap, vary_texcoord0.xy); frag_data[1] = vec4(0.0); - frag_data[2] = vec4(0.0, 1.0, 0.0, 1.0); + frag_data[2] = vec4(0.0, 1.0, 0.0, GBUFFER_FLAG_SKIP_ATMOS); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl index a58cc3d12d..67f4c59c3f 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl @@ -56,5 +56,5 @@ void main() frag_data[0] = vec4(col.rgb, 0.0); frag_data[1] = spec; - frag_data[2] = norm; + frag_data[2] = norm; // TODO: Should .w be set? } diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl index 02d83925ea..6f087632a5 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl @@ -277,10 +277,10 @@ void main() vec4 final_specular = spec; #ifdef HAS_SPECULAR_MAP - vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity * spec.a, 0.0); + vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity * spec.a, GBUFFER_FLAG_HAS_ATMOS); final_specular.a = specular_color.a * norm.a; #else - vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity, 0.0); + vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity, GBUFFER_FLAG_HAS_ATMOS); final_specular.a = specular_color.a; #endif @@ -444,10 +444,10 @@ void main() #else // mode is not DIFFUSE_ALPHA_MODE_BLEND, encode to gbuffer - // deferred path - frag_data[0] = final_color; //gbuffer is sRGB + // deferred path // See: C++: addDeferredAttachment(), shader: softenLightF.glsl + frag_data[0] = final_color; // gbuffer is sRGB frag_data[1] = final_specular; // XYZ = Specular color. W = Specular exponent. - frag_data[2] = final_normal; // XY = Normal. Z = Env. intensity. + frag_data[2] = final_normal; // XY = Normal. Z = Env. intensity. W = 1 skip atmos (mask off fog) #endif } diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialV.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialV.glsl index 7e29ada205..a1cab87092 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/materialV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/materialV.glsl @@ -1,5 +1,5 @@ /** - * @file bumpV.glsl + * @file materialV.glsl * * $LicenseInfo:firstyear=2007&license=viewerlgpl$ * Second Life Viewer Source Code diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl index 35068899ee..a513d60388 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl @@ -66,7 +66,7 @@ void main() frag_data[0] = vec4(c.rgb, c.a); frag_data[1] = vec4(0.0); - frag_data[2] = vec4(0.0f); + frag_data[2] = vec4(0.0, 0.0, 0.0, GBUFFER_FLAG_HAS_ATMOS); gl_FragDepth = 0.999985f; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl index 09c47165dd..0ae4bbfc5d 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl @@ -36,7 +36,6 @@ out vec4 frag_color; uniform sampler2DRect depthMap; uniform sampler2DRect diffuseRect; uniform sampler2DRect specularRect; -uniform samplerCube environmentMap; uniform sampler2D noiseMap; uniform sampler2D lightFunc; diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index ec3fb9c543..8dcc18080d 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -42,7 +42,6 @@ uniform sampler2DRect diffuseRect; uniform sampler2DRect specularRect; uniform sampler2DRect depthMap; uniform sampler2DRect normalMap; -uniform samplerCube environmentMap; uniform sampler2D noiseMap; uniform sampler2D projectionMap; uniform sampler2D lightFunc; diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl new file mode 100644 index 0000000000..b5c38bba04 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl @@ -0,0 +1,156 @@ +/** + * @file pbropaqueF.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +/*[EXTRA_CODE_HERE]*/ + +#define DEBUG_PBR_LIGHT_TYPE 0 // Output Diffuse=0.75, Emissive=0, ORM=0,0,0 + +#define DEBUG_BASIC 0 +#define DEBUG_VERTEX 0 +#define DEBUG_NORMAL_MAP 0 // Output packed normal map "as is" to diffuse +#define DEBUG_NORMAL_OUT 0 // Output unpacked normal to diffuse +#define DEBUG_ORM 0 // Output Occlusion Roughness Metal "as is" to diffuse +#define DEBUG_POSITION 0 + +uniform sampler2D diffuseMap; //always in sRGB space + +uniform float metallicFactor; +uniform float roughnessFactor; +uniform vec3 emissiveColor; + +#ifdef HAS_NORMAL_MAP + uniform sampler2D bumpMap; +#endif + +#ifdef HAS_EMISSIVE_MAP + uniform sampler2D emissiveMap; +#endif + +#ifdef HAS_SPECULAR_MAP + uniform sampler2D specularMap; // Packed: Occlusion, Metal, Roughness +#endif + +uniform samplerCube environmentMap; +uniform mat3 env_mat; + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_data[4]; +#else +#define frag_data gl_FragData +#endif + +VARYING vec3 vary_position; +VARYING vec4 vertex_color; +VARYING vec2 vary_texcoord0; +#ifdef HAS_NORMAL_MAP +VARYING vec3 vary_normal; +VARYING vec3 vary_mat0; +VARYING vec3 vary_mat1; +VARYING vec3 vary_mat2; +VARYING vec2 vary_texcoord1; +#endif + +#ifdef HAS_SPECULAR_MAP + VARYING vec2 vary_texcoord2; +#endif + +vec2 encode_normal(vec3 n); +vec3 linear_to_srgb(vec3 c); + +const float M_PI = 3.141592653589793; + +void main() +{ +// IF .mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels; +// vec3 col = vertex_color.rgb * diffuseLookup(vary_texcoord0.xy).rgb; +// else + vec3 col = vertex_color.rgb * texture2D(diffuseMap, vary_texcoord0.xy).rgb; + +#ifdef HAS_NORMAL_MAP + vec4 norm = texture2D(bumpMap, vary_texcoord1.xy); + norm.xyz = norm.xyz * 2 - 1; + + vec3 tnorm = vec3(dot(norm.xyz,vary_mat0), + dot(norm.xyz,vary_mat1), + dot(norm.xyz,vary_mat2)); +#else + vec4 norm = vec4(0,0,0,1.0); +// vec3 tnorm = vary_normal; + vec3 tnorm = vec3(0,0,1); +#endif + + tnorm = normalize(tnorm.xyz); + + norm.xyz = normalize(tnorm.xyz); + + // RGB = Occlusion, Roughness, Metal + // default values, see LLViewerTexture::sDefaultPBRORMImagep + // occlusion 1.0 + // roughness 0.0 + // metal 0.0 +#ifdef HAS_SPECULAR_MAP + vec3 spec = texture2D(specularMap, vary_texcoord2.xy).rgb; +#else + vec3 spec = vec3(1,0,0); +#endif + + spec.g *= roughnessFactor; + spec.b *= metallicFactor; + + vec3 emissive = emissiveColor; +#ifdef HAS_EMISSIVE_MAP + emissive *= texture2D(emissiveMap, vary_texcoord0.xy).rgb; +#endif + +#if DEBUG_PBR_LIGHT_TYPE + col.rgb = vec3(0.75); + emissive = vec3(0); + spec.rgb = vec3(0); +#endif +#if DEBUG_BASIC + col.rgb = vec3( 1, 0, 1 ); +#endif +#if DEBUG_VERTEX + col.rgb = vertex_color.rgb; +#endif +#if DEBUG_NORMAL_MAP + col.rgb = texture2D(bumpMap, vary_texcoord1.xy).rgb; +#endif +#if DEBUG_NORMAL_OUT + col.rgb = vary_normal; +#endif +#if DEBUG_ORM + col.rgb = linear_to_srgb(spec); +#endif +#if DEBUG_POSITION + col.rgb = vary_position.xyz; +#endif + + // See: C++: addDeferredAttachments(), GLSL: softenLightF + frag_data[0] = vec4(col, 0.0); // Diffuse + frag_data[1] = vec4(emissive, vertex_color.a); // PBR sRGB Emissive + frag_data[2] = vec4(encode_normal(tnorm), vertex_color.a, GBUFFER_FLAG_HAS_PBR); // normal, environment intensity, flags + frag_data[3] = vec4(spec.rgb,0); // PBR linear packed Occlusion, Roughness, Metal. +} diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl new file mode 100644 index 0000000000..a2606ed771 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl @@ -0,0 +1,144 @@ +/** + * @file pbropaqueV.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#define DIFFUSE_ALPHA_MODE_IGNORE 0 +#define DIFFUSE_ALPHA_MODE_BLEND 1 +#define DIFFUSE_ALPHA_MODE_MASK 2 +#define DIFFUSE_ALPHA_MODE_EMISSIVE 3 + +#ifdef HAS_SKIN +uniform mat4 modelview_matrix; +uniform mat4 projection_matrix; +mat4 getObjectSkinnedTransform(); +#else +uniform mat3 normal_matrix; +uniform mat4 modelview_projection_matrix; +#endif + +#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND) + +#if !defined(HAS_SKIN) +uniform mat4 modelview_matrix; +#endif + +VARYING vec3 vary_position; + +#endif + +uniform mat4 texture_matrix0; + +ATTRIBUTE vec3 position; +ATTRIBUTE vec4 diffuse_color; +ATTRIBUTE vec3 normal; +ATTRIBUTE vec2 texcoord0; + + +#ifdef HAS_NORMAL_MAP +ATTRIBUTE vec4 tangent; +ATTRIBUTE vec2 texcoord1; + +VARYING vec3 vary_mat0; +VARYING vec3 vary_mat1; +VARYING vec3 vary_mat2; + +VARYING vec2 vary_texcoord1; +#else +VARYING vec3 vary_normal; +#endif + +#ifdef HAS_SPECULAR_MAP +ATTRIBUTE vec2 texcoord2; +VARYING vec2 vary_texcoord2; +#endif + +VARYING vec4 vertex_color; +VARYING vec2 vary_texcoord0; + +void main() +{ +#ifdef HAS_SKIN + mat4 mat = getObjectSkinnedTransform(); + + mat = modelview_matrix * mat; + + vec3 pos = (mat*vec4(position.xyz,1.0)).xyz; + +#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND) + vary_position = pos; +#endif + + gl_Position = projection_matrix*vec4(pos,1.0); + +#else + //transform vertex + gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); + +#endif + + vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy; + +#ifdef HAS_NORMAL_MAP + vary_texcoord1 = (texture_matrix0 * vec4(texcoord1,0,1)).xy; +#endif + +#ifdef HAS_SPECULAR_MAP + vary_texcoord2 = (texture_matrix0 * vec4(texcoord2,0,1)).xy; +#endif + +#ifdef HAS_SKIN + vec3 n = normalize((mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz); +#ifdef HAS_NORMAL_MAP + vec3 t = normalize((mat*vec4(tangent.xyz+position.xyz,1.0)).xyz-pos.xyz); + vec3 b = cross(n, t)*tangent.w; + + vary_mat0 = vec3(t.x, b.x, n.x); + vary_mat1 = vec3(t.y, b.y, n.y); + vary_mat2 = vec3(t.z, b.z, n.z); +#else //HAS_NORMAL_MAP +vary_normal = n; +#endif //HAS_NORMAL_MAP +#else //HAS_SKIN + vec3 n = normalize(normal_matrix * normal); +#ifdef HAS_NORMAL_MAP + vec3 t = normalize(normal_matrix * tangent.xyz); + vec3 b = cross(n,t)*tangent.w; + //vec3 t = cross(b,n) * binormal.w; + + vary_mat0 = vec3(t.x, b.x, n.x); + vary_mat1 = vec3(t.y, b.y, n.y); + vary_mat2 = vec3(t.z, b.z, n.z); +#else //HAS_NORMAL_MAP + vary_normal = n; +#endif //HAS_NORMAL_MAP +#endif //HAS_SKIN + + vertex_color = diffuse_color; + +#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND) +#if !defined(HAS_SKIN) + vary_position = (modelview_matrix*vec4(position.xyz, 1.0)).xyz; +#endif +#endif +} diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl index 18616a9bb3..5bb034d5c1 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl @@ -1,5 +1,5 @@ /** - * @file pointLightF.glsl + * @file class1\deferred\pointLightF.glsl * * $LicenseInfo:firstyear=2007&license=viewerlgpl$ * Second Life Viewer Source Code @@ -36,7 +36,6 @@ out vec4 frag_color; uniform sampler2DRect diffuseRect; uniform sampler2DRect specularRect; uniform sampler2DRect normalMap; -uniform samplerCube environmentMap; uniform sampler2D noiseMap; uniform sampler2D lightFunc; uniform sampler2DRect depthMap; diff --git a/indra/newview/app_settings/shaders/class3/deferred/shadowAlphaBlendF.glsl b/indra/newview/app_settings/shaders/class1/deferred/reflectionProbeF.glsl index 345c07a354..8f3e38b08b 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/shadowAlphaBlendF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/reflectionProbeF.glsl @@ -1,58 +1,44 @@ -/** - * @file shadowAlphaMaskF.glsl +/** + * @file class1/deferred/reflectionProbeF.glsl * - * $LicenseInfo:firstyear=2011&license=viewerlgpl$ + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ * Second Life Viewer Source Code - * Copyright (C) 2011, Linden Research, Inc. - * + * Copyright (C) 2022, Linden Research, Inc. + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ -/*[EXTRA_CODE_HERE]*/ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif - -uniform sampler2D diffuseMap; - -#if !defined(DEPTH_CLAMP) -VARYING float pos_zd2; -#endif - -VARYING float pos_w; - -VARYING float target_pos_x; -VARYING vec4 vertex_color; -VARYING vec2 vary_texcoord0; -VARYING vec3 pos; - -vec4 computeMoments(float depth, float a); - -void main() +// fallback stub -- will be used if actual reflection probe shader failed to load (output pink so it's obvious) +void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv, + vec3 pos, vec3 norm, float glossiness, float envIntensity) { - float alpha = diffuseLookup(vary_texcoord0.xy).a * vertex_color.a; + ambenv = vec3(1,0,1); + glossenv = vec3(1,0,1); + legacyenv = vec3(1,0,1); +} - frag_color = computeMoments(length(pos), float a); +void applyGlossEnv(inout vec3 color, vec3 glossenv, vec4 spec, vec3 pos, vec3 norm) +{ + color = vec3(1,0,1); +} -#if !defined(DEPTH_CLAMP) - gl_FragDepth = max(pos_zd2/pos_w+0.5, 0.0); -#endif +void applyLegacyEnv(inout vec3 color, vec3 legacyenv, vec4 spec, vec3 pos, vec3 norm, float envIntensity) +{ + color = vec3(1,0,1); } + diff --git a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl index 331249dc33..ecb0c43518 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl @@ -57,7 +57,7 @@ void main() /// Gamma correct for WL (soft clip effect). frag_data[0] = vec4(color.rgb, 0.0); frag_data[1] = vec4(0.0,0.0,0.0,0.0); - frag_data[2] = vec4(0.0,0.0,0.0,1.0); //1.0 in norm.w masks off fog + frag_data[2] = vec4(0.0,0.0,0.0,GBUFFER_FLAG_SKIP_ATMOS); //1.0 in norm.w masks off fog gl_FragDepth = 0.99999f; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl index 7f2c603f87..918e119c31 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl @@ -142,7 +142,7 @@ void main() color = mix(color.rgb, reflected_color, envIntensity); } - if (norm.w < 0.5) + if (GET_GBUFFER_FLAG(GBUFFER_FLAG_HAS_ATMOS)) { color = mix(atmosFragLighting(color, additive, atten), fullbrightAtmosTransportFrag(color, additive, atten), diffuse.a); color = mix(scaleSoftClipFrag(color), fullbrightScaleSoftClip(color), diffuse.a); diff --git a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl index bac79a9fdc..ef9cee3fa0 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl @@ -60,7 +60,7 @@ void main() frag_data[0] = col; frag_data[1] = vec4(0.0f); - frag_data[2] = vec4(0.0, 1.0, 0.0, 1.0); + frag_data[2] = vec4(0.0, 1.0, 0.0, GBUFFER_FLAG_SKIP_ATMOS); gl_FragDepth = 0.99995f; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunDiscF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunDiscF.glsl index b2fa5d8a25..4ab8747629 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/sunDiscF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/sunDiscF.glsl @@ -57,7 +57,7 @@ void main() frag_data[0] = c; frag_data[1] = vec4(0.0f); - frag_data[2] = vec4(0.0, 1.0, 0.0, 1.0); + frag_data[2] = vec4(0.0, 1.0, 0.0, GBUFFER_FLAG_SKIP_ATMOS); gl_FragDepth = 0.999988f; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl index 6b6eed9db8..d6c14c48c9 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl @@ -63,6 +63,6 @@ void main() frag_data[0] = outColor; frag_data[1] = vec4(0.0,0.0,0.0,-1.0); vec3 nvn = normalize(vary_normal); - frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, 0.0); + frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, GBUFFER_FLAG_HAS_ATMOS); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl index 89e354558a..dc0e5b0ce3 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl @@ -52,5 +52,5 @@ void main() frag_data[0] = vec4(vertex_color.rgb*col.rgb, 0.0); frag_data[1] = vec4(0,0,0,0); vec3 nvn = normalize(vary_normal); - frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, 0.0); + frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, GBUFFER_FLAG_HAS_ATMOS); } diff --git a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl index 9a5debb3c1..14c337e608 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl @@ -78,5 +78,5 @@ void main() frag_data[0] = vec4(fb.rgb, 1.0); // diffuse frag_data[1] = vec4(0.5,0.5,0.5, 0.95); // speccolor*spec, spec - frag_data[2] = vec4(encode_normal(wavef), 0.0, 0.0); // normalxyz, env intens, atmo kill + frag_data[2] = vec4(encode_normal(wavef), 0.0, GBUFFER_FLAG_HAS_ATMOS); // normalxyz, env intens, flags (atmo kill) } diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl index a157e9c017..03896f4c51 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl @@ -180,5 +180,5 @@ void main() frag_data[1] = vec4(0); // speccolor, spec - frag_data[2] = vec4(encode_normal(screenspacewavef.xyz), 0.05, 0);// normalxy, 0, 0 + frag_data[2] = vec4(encode_normal(screenspacewavef.xyz), 0.05, GBUFFER_FLAG_HAS_ATMOS);// normalxy, env intens, flags (atmo kill) } diff --git a/indra/newview/app_settings/shaders/class1/interface/irradianceGenF.glsl b/indra/newview/app_settings/shaders/class1/interface/irradianceGenF.glsl new file mode 100644 index 0000000000..4d91395a1b --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/irradianceGenF.glsl @@ -0,0 +1,100 @@ +/** + * @file irradianceGenF.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + + +/*[EXTRA_CODE_HERE]*/ + + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +uniform samplerCubeArray reflectionProbes; +uniform int sourceIdx; + +VARYING vec3 vary_dir; + +// ============================================================================================================= +// Parts of this file are (c) 2018 Sascha Willems +// SNIPPED FROM https://github.com/SaschaWillems/Vulkan-glTF-PBR/blob/master/data/shaders/irradiancecube.frag +/* +MIT License + +Copyright (c) 2018 Sascha Willems + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ +// ============================================================================================================= + + + +#define PI 3.1415926535897932384626433832795 + +void main() +{ + float deltaPhi = (2.0 * PI) / 11.25; + float deltaTheta = (0.5 * PI) / 4.0; + float mipLevel = 2; + + vec3 N = normalize(vary_dir); + vec3 up = vec3(0.0, 1.0, 0.0); + vec3 right = normalize(cross(up, N)); + up = cross(N, right); + + const float TWO_PI = PI * 2.0; + const float HALF_PI = PI * 0.5; + + vec3 color = vec3(0.0); + uint sampleCount = 0u; + for (float phi = 0.0; phi < TWO_PI; phi += deltaPhi) { + for (float theta = 0.0; theta < HALF_PI; theta += deltaTheta) { + vec3 tempVec = cos(phi) * right + sin(phi) * up; + vec3 sampleVector = cos(theta) * N + sin(theta) * tempVec; + color += textureLod(reflectionProbes, vec4(sampleVector, sourceIdx), mipLevel).rgb * cos(theta) * sin(theta); + sampleCount++; + } + } + frag_color = vec4(PI * color / float(sampleCount), 1.0); +} +// ============================================================================================================= + diff --git a/indra/newview/app_settings/shaders/class3/deferred/genSkyShV.glsl b/indra/newview/app_settings/shaders/class1/interface/irradianceGenV.glsl index b466883dc7..5190abf17c 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/genSkyShV.glsl +++ b/indra/newview/app_settings/shaders/class1/interface/irradianceGenV.glsl @@ -1,9 +1,9 @@ /** - * @file genSkyShV.glsl + * @file irradianceGenV.glsl * - * $LicenseInfo:firstyear=2005&license=viewerlgpl$ + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ * Second Life Viewer Source Code - * Copyright (C) 2005, Linden Research, Inc. + * Copyright (C) 2011, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -22,16 +22,17 @@ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ - + +uniform mat4 modelview_matrix; + ATTRIBUTE vec3 position; -ATTRIBUTE vec2 texcoord0; -VARYING vec2 vary_frag; +VARYING vec3 vary_dir; void main() { - // pass through untransformed fullscreen pos - gl_Position = vec4(position.xyz, 1.0); - vary_frag = texcoord0; + gl_Position = vec4(position, 1.0); + + vary_dir = vec3(modelview_matrix * vec4(position, 1.0)).xyz; } diff --git a/indra/newview/app_settings/shaders/class1/interface/radianceGenF.glsl b/indra/newview/app_settings/shaders/class1/interface/radianceGenF.glsl new file mode 100644 index 0000000000..94fedce243 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/radianceGenF.glsl @@ -0,0 +1,168 @@ +/** + * @file radianceGenF.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + + +/*[EXTRA_CODE_HERE]*/ + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +uniform samplerCubeArray reflectionProbes; +uniform int sourceIdx; + +VARYING vec3 vary_dir; + +// ============================================================================================================= +// Parts of this file are (c) 2018 Sascha Willems +// SNIPPED FROM https://github.com/SaschaWillems/Vulkan-glTF-PBR/blob/master/data/shaders/prefilterenvmap.frag +/* +MIT License + +Copyright (c) 2018 Sascha Willems + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ +// ============================================================================================================= + + +uniform float roughness; + +uniform float mipLevel; + +const float PI = 3.1415926536; + +// Based omn http://byteblacksmith.com/improvements-to-the-canonical-one-liner-glsl-rand-for-opengl-es-2-0/ +float random(vec2 co) +{ + float a = 12.9898; + float b = 78.233; + float c = 43758.5453; + float dt= dot(co.xy ,vec2(a,b)); + float sn= mod(dt,3.14); + return fract(sin(sn) * c); +} + +vec2 hammersley2d(uint i, uint N) +{ + // Radical inverse based on http://holger.dammertz.org/stuff/notes_HammersleyOnHemisphere.html + uint bits = (i << 16u) | (i >> 16u); + bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u); + bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u); + bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u); + bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u); + float rdi = float(bits) * 2.3283064365386963e-10; + return vec2(float(i) /float(N), rdi); +} + +// Based on http://blog.selfshadow.com/publications/s2013-shading-course/karis/s2013_pbs_epic_slides.pdf +vec3 importanceSample_GGX(vec2 Xi, float roughness, vec3 normal) +{ + // Maps a 2D point to a hemisphere with spread based on roughness + float alpha = roughness * roughness; + float phi = 2.0 * PI * Xi.x + random(normal.xz) * 0.1; + float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (alpha*alpha - 1.0) * Xi.y)); + float sinTheta = sqrt(1.0 - cosTheta * cosTheta); + vec3 H = vec3(sinTheta * cos(phi), sinTheta * sin(phi), cosTheta); + + // Tangent space + vec3 up = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0); + vec3 tangentX = normalize(cross(up, normal)); + vec3 tangentY = normalize(cross(normal, tangentX)); + + // Convert to world Space + return normalize(tangentX * H.x + tangentY * H.y + normal * H.z); +} + +// Normal Distribution function +float D_GGX(float dotNH, float roughness) +{ + float alpha = roughness * roughness; + float alpha2 = alpha * alpha; + float denom = dotNH * dotNH * (alpha2 - 1.0) + 1.0; + return (alpha2)/(PI * denom*denom); +} + +vec3 prefilterEnvMap(vec3 R, float roughness) +{ + vec3 N = R; + vec3 V = R; + vec3 color = vec3(0.0); + float totalWeight = 0.0; + float envMapDim = 256.0; + int numSamples = 32/max(int(mipLevel), 1); + + for(uint i = 0u; i < numSamples; i++) { + vec2 Xi = hammersley2d(i, numSamples); + vec3 H = importanceSample_GGX(Xi, roughness, N); + vec3 L = 2.0 * dot(V, H) * H - V; + float dotNL = clamp(dot(N, L), 0.0, 1.0); + if(dotNL > 0.0) { + // Filtering based on https://placeholderart.wordpress.com/2015/07/28/implementation-notes-runtime-environment-map-filtering-for-image-based-lighting/ + + float dotNH = clamp(dot(N, H), 0.0, 1.0); + float dotVH = clamp(dot(V, H), 0.0, 1.0); + + // Probability Distribution Function + float pdf = D_GGX(dotNH, roughness) * dotNH / (4.0 * dotVH) + 0.0001; + // Slid angle of current smple + float omegaS = 1.0 / (float(numSamples) * pdf); + // Solid angle of 1 pixel across all cube faces + float omegaP = 4.0 * PI / (6.0 * envMapDim * envMapDim); + // Biased (+1.0) mip level for better result + //float mipLevel = roughness == 0.0 ? 0.0 : max(0.5 * log2(omegaS / omegaP) + 1.0, 0.0f); + color += textureLod(reflectionProbes, vec4(L,sourceIdx), mipLevel).rgb * dotNL; + totalWeight += dotNL; + + } + } + return (color / totalWeight); +} + +void main() +{ + vec3 N = normalize(vary_dir); + frag_color = vec4(prefilterEnvMap(N, roughness), 1.0); +} +// ============================================================================================================= + diff --git a/indra/newview/app_settings/shaders/class3/deferred/shVisV.glsl b/indra/newview/app_settings/shaders/class1/interface/radianceGenV.glsl index 8f32dfde79..5f5d9396ff 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/shVisV.glsl +++ b/indra/newview/app_settings/shaders/class1/interface/radianceGenV.glsl @@ -1,9 +1,9 @@ /** - * @file class3/deferred/shVisV.glsl + * @file radianceGenV.glsl * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. + * Copyright (C) 2011, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -22,12 +22,17 @@ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ + +uniform mat4 modelview_matrix; + ATTRIBUTE vec3 position; -VARYING vec4 vary_pos; + +VARYING vec3 vary_dir; void main() { - // Output - vary_pos = vec4(position, 1); - gl_Position = vary_pos; + gl_Position = vec4(position, 1.0); + + vary_dir = vec3(modelview_matrix * vec4(position, 1.0)).xyz; } + diff --git a/indra/newview/app_settings/shaders/class1/interface/reflectionmipF.glsl b/indra/newview/app_settings/shaders/class1/interface/reflectionmipF.glsl new file mode 100644 index 0000000000..ea687aab4f --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/reflectionmipF.glsl @@ -0,0 +1,75 @@ +/** + * @file reflectionmipF.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#extension GL_ARB_texture_rectangle : enable + +/*[EXTRA_CODE_HERE]*/ + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +uniform sampler2DRect screenMap; + +VARYING vec2 vary_texcoord0; + +void main() +{ + float w[9]; + + float c = 1.0/16.0; //corner weight + float e = 1.0/8.0; //edge weight + float m = 1.0/4.0; //middle weight + + //float wsum = c*4+e*4+m; + + w[0] = c; w[1] = e; w[2] = c; + w[3] = e; w[4] = m; w[5] = e; + w[6] = c; w[7] = e; w[8] = c; + + vec2 tc[9]; + + float ed = 1; + float cd = 1; + + + tc[0] = vec2(-cd, cd); tc[1] = vec2(0, ed); tc[2] = vec2(cd, cd); + tc[3] = vec2(-ed, 0); tc[4] = vec2(0, 0); tc[5] = vec2(ed, 0); + tc[6] = vec2(-cd, -cd); tc[7] = vec2(0, -ed); tc[8] = vec2(cd, -1); + + vec3 color = vec3(0,0,0); + + for (int i = 0; i < 9; ++i) + { + color += texture2DRect(screenMap, vary_texcoord0.xy+tc[i]).rgb * w[i]; + //color += texture2DRect(screenMap, vary_texcoord0.xy+tc[i]*2.0).rgb * w[i]*0.5; + } + + //color /= wsum; + + frag_color = vec4(color, 1.0); +} diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl index ea2690ba09..3831eeaa01 100644 --- a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl @@ -43,6 +43,7 @@ uniform float sun_moon_glow_factor; float getAmbientClamp() { return 1.0f; } +// Returns colors in sRGB void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten, bool use_ao) { diff --git a/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl b/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl new file mode 100644 index 0000000000..ab5badf538 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl @@ -0,0 +1,477 @@ +/** + * @file class2/deferred/reflectionProbeF.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#extension GL_ARB_shader_texture_lod : enable + +#define FLT_MAX 3.402823466e+38 + +#define REFMAP_COUNT 256 +#define REF_SAMPLE_COUNT 64 //maximum number of samples to consider + +uniform samplerCubeArray reflectionProbes; + +layout (std140, binding = 1) uniform ReflectionProbes +{ + // list of OBBs for user override probes + // box is a set of 3 planes outward facing planes and the depth of the box along that plane + // for each box refBox[i]... + /// box[0..2] - plane 0 .. 2 in [A,B,C,D] notation + // box[3][0..2] - plane thickness + mat4 refBox[REFMAP_COUNT]; + // list of bounding spheres for reflection probes sorted by distance to camera (closest first) + vec4 refSphere[REFMAP_COUNT]; + // index of cube map in reflectionProbes for a corresponding reflection probe + // e.g. cube map channel of refSphere[2] is stored in refIndex[2] + // refIndex.x - cubemap channel in reflectionProbes + // refIndex.y - index in refNeighbor of neighbor list (index is ivec4 index, not int index) + // refIndex.z - number of neighbors + // refIndex.w - priority, if negative, this probe has a box influence + ivec4 refIndex[REFMAP_COUNT]; + + // neighbor list data (refSphere indices, not cubemap array layer) + ivec4 refNeighbor[1024]; + + // number of reflection probes present in refSphere + int refmapCount; + + // intensity of ambient light from reflection probes + float reflectionAmbiance; +}; + +// Inputs +uniform mat3 env_mat; + +// list of probeIndexes shader will actually use after "getRefIndex" is called +// (stores refIndex/refSphere indices, NOT rerflectionProbes layer) +int probeIndex[REF_SAMPLE_COUNT]; + +// number of probes stored in probeIndex +int probeInfluences = 0; + +bool isAbove(vec3 pos, vec4 plane) +{ + return (dot(plane.xyz, pos) + plane.w) > 0; +} + +// return true if probe at index i influences position pos +bool shouldSampleProbe(int i, vec3 pos) +{ + if (refIndex[i].w < 0) + { + vec4 v = refBox[i] * vec4(pos, 1.0); + if (abs(v.x) > 1 || + abs(v.y) > 1 || + abs(v.z) > 1) + { + return false; + } + } + else + { + vec3 delta = pos.xyz - refSphere[i].xyz; + float d = dot(delta, delta); + float r2 = refSphere[i].w; + r2 *= r2; + + if (d > r2) + { //outside bounding sphere + return false; + } + } + + return true; +} + +// call before sampleRef +// populate "probeIndex" with N probe indices that influence pos where N is REF_SAMPLE_COUNT +// overall algorithm -- +void preProbeSample(vec3 pos) +{ + // TODO: make some sort of structure that reduces the number of distance checks + + for (int i = 0; i < refmapCount; ++i) + { + // found an influencing probe + if (shouldSampleProbe(i, pos)) + { + probeIndex[probeInfluences] = i; + ++probeInfluences; + + int neighborIdx = refIndex[i].y; + if (neighborIdx != -1) + { + int neighborCount = min(refIndex[i].z, REF_SAMPLE_COUNT-1); + + int count = 0; + while (count < neighborCount) + { + // check up to REF_SAMPLE_COUNT-1 neighbors (neighborIdx is ivec4 index) + + int idx = refNeighbor[neighborIdx].x; + if (shouldSampleProbe(idx, pos)) + { + probeIndex[probeInfluences++] = idx; + if (probeInfluences == REF_SAMPLE_COUNT) + { + return; + } + } + count++; + if (count == neighborCount) + { + return; + } + + idx = refNeighbor[neighborIdx].y; + if (shouldSampleProbe(idx, pos)) + { + probeIndex[probeInfluences++] = idx; + if (probeInfluences == REF_SAMPLE_COUNT) + { + return; + } + } + count++; + if (count == neighborCount) + { + return; + } + + idx = refNeighbor[neighborIdx].z; + if (shouldSampleProbe(idx, pos)) + { + probeIndex[probeInfluences++] = idx; + if (probeInfluences == REF_SAMPLE_COUNT) + { + return; + } + } + count++; + if (count == neighborCount) + { + return; + } + + idx = refNeighbor[neighborIdx].w; + if (shouldSampleProbe(idx, pos)) + { + probeIndex[probeInfluences++] = idx; + if (probeInfluences == REF_SAMPLE_COUNT) + { + return; + } + } + count++; + if (count == neighborCount) + { + return; + } + + ++neighborIdx; + } + + return; + } + } + } +} + +// from https://www.scratchapixel.com/lessons/3d-basic-rendering/minimal-ray-tracer-rendering-simple-shapes/ray-sphere-intersection + +// original reference implementation: +/* +bool intersect(const Ray &ray) const +{ + float t0, t1; // solutions for t if the ray intersects +#if 0 + // geometric solution + Vec3f L = center - orig; + float tca = L.dotProduct(dir); + // if (tca < 0) return false; + float d2 = L.dotProduct(L) - tca * tca; + if (d2 > radius2) return false; + float thc = sqrt(radius2 - d2); + t0 = tca - thc; + t1 = tca + thc; +#else + // analytic solution + Vec3f L = orig - center; + float a = dir.dotProduct(dir); + float b = 2 * dir.dotProduct(L); + float c = L.dotProduct(L) - radius2; + if (!solveQuadratic(a, b, c, t0, t1)) return false; +#endif + if (t0 > t1) std::swap(t0, t1); + + if (t0 < 0) { + t0 = t1; // if t0 is negative, let's use t1 instead + if (t0 < 0) return false; // both t0 and t1 are negative + } + + t = t0; + + return true; +} */ + +// adapted -- assume that origin is inside sphere, return distance from origin to edge of sphere +vec3 sphereIntersect(vec3 origin, vec3 dir, vec3 center, float radius2) +{ + float t0, t1; // solutions for t if the ray intersects + + vec3 L = center - origin; + float tca = dot(L,dir); + + float d2 = dot(L,L) - tca * tca; + + float thc = sqrt(radius2 - d2); + t0 = tca - thc; + t1 = tca + thc; + + vec3 v = origin + dir * t1; + return v; +} + +// from https://seblagarde.wordpress.com/2012/09/29/image-based-lighting-approaches-and-parallax-corrected-cubemap/ +/* +vec3 DirectionWS = normalize(PositionWS - CameraWS); +vec3 ReflDirectionWS = reflect(DirectionWS, NormalWS); + +// Intersection with OBB convertto unit box space +// Transform in local unit parallax cube space (scaled and rotated) +vec3 RayLS = MulMatrix( float(3x3)WorldToLocal, ReflDirectionWS); +vec3 PositionLS = MulMatrix( WorldToLocal, PositionWS); + +vec3 Unitary = vec3(1.0f, 1.0f, 1.0f); +vec3 FirstPlaneIntersect = (Unitary - PositionLS) / RayLS; +vec3 SecondPlaneIntersect = (-Unitary - PositionLS) / RayLS; +vec3 FurthestPlane = max(FirstPlaneIntersect, SecondPlaneIntersect); +float Distance = min(FurthestPlane.x, min(FurthestPlane.y, FurthestPlane.z)); + +// Use Distance in WS directly to recover intersection +vec3 IntersectPositionWS = PositionWS + ReflDirectionWS * Distance; +vec3 ReflDirectionWS = IntersectPositionWS - CubemapPositionWS; + +return texCUBE(envMap, ReflDirectionWS); +*/ + +// get point of intersection with given probe's box influence volume +// origin - ray origin in clip space +// dir - ray direction in clip space +// i - probe index in refBox/refSphere +vec3 boxIntersect(vec3 origin, vec3 dir, int i) +{ + // Intersection with OBB convertto unit box space + // Transform in local unit parallax cube space (scaled and rotated) + mat4 clipToLocal = refBox[i]; + + vec3 RayLS = mat3(clipToLocal) * dir; + vec3 PositionLS = (clipToLocal * vec4(origin, 1.0)).xyz; + + vec3 Unitary = vec3(1.0f, 1.0f, 1.0f); + vec3 FirstPlaneIntersect = (Unitary - PositionLS) / RayLS; + vec3 SecondPlaneIntersect = (-Unitary - PositionLS) / RayLS; + vec3 FurthestPlane = max(FirstPlaneIntersect, SecondPlaneIntersect); + float Distance = min(FurthestPlane.x, min(FurthestPlane.y, FurthestPlane.z)); + + // Use Distance in CS directly to recover intersection + vec3 IntersectPositionCS = origin + dir * Distance; + + return IntersectPositionCS; +} + + + +// Tap a sphere based reflection probe +// pos - position of pixel +// dir - pixel normal +// lod - which mip to bias towards (lower is higher res, sharper reflections) +// c - center of probe +// r2 - radius of probe squared +// i - index of probe +// vi - point at which reflection vector struck the influence volume, in clip space +vec3 tapRefMap(vec3 pos, vec3 dir, float lod, vec3 c, float r2, int i) +{ + //lod = max(lod, 1); + // parallax adjustment + + vec3 v; + if (refIndex[i].w < 0) + { + v = boxIntersect(pos, dir, i); + } + else + { + v = sphereIntersect(pos, dir, c, r2); + } + + v -= c; + v = env_mat * v; + { + float min_lod = textureQueryLod(reflectionProbes,v).y; // lower is higher res + return textureLod(reflectionProbes, vec4(v.xyz, refIndex[i].x), max(min_lod, lod)).rgb; + //return texture(reflectionProbes, vec4(v.xyz, refIndex[i].x)).rgb; + } +} + +vec3 sampleProbes(vec3 pos, vec3 dir, float lod) +{ + float wsum = 0.0; + vec3 col = vec3(0,0,0); + float vd2 = dot(pos,pos); // view distance squared + + for (int idx = 0; idx < probeInfluences; ++idx) + { + int i = probeIndex[idx]; + float r = refSphere[i].w; // radius of sphere volume + float p = float(abs(refIndex[i].w)); // priority + float rr = r*r; // radius squred + float r1 = r * 0.1; // 75% of radius (outer sphere to start interpolating down) + vec3 delta = pos.xyz-refSphere[i].xyz; + float d2 = dot(delta,delta); + float r2 = r1*r1; + + { + vec3 refcol = tapRefMap(pos, dir, lod, refSphere[i].xyz, rr, i); + + float w = 1.0/d2; + + float atten = 1.0-max(d2-r2, 0.0)/(rr-r2); + w *= atten; + w *= p; // boost weight based on priority + col += refcol*w; + + wsum += w; + } + } + + if (probeInfluences <= 1) + { //edge-of-scene probe or no probe influence, mix in with embiggened version of probes closest to camera + for (int idx = 0; idx < 8; ++idx) + { + if (refIndex[idx].w < 0) + { // don't fallback to box probes, they are *very* specific + continue; + } + int i = idx; + vec3 delta = pos.xyz-refSphere[i].xyz; + float d2 = dot(delta,delta); + + { + vec3 refcol = tapRefMap(pos, dir, lod, refSphere[i].xyz, d2, i); + + float w = 1.0/d2; + w *= w; + col += refcol*w; + wsum += w; + } + } + } + + if (wsum > 0.0) + { + col *= 1.0/wsum; + } + + return col; +} + +vec3 sampleProbeAmbient(vec3 pos, vec3 dir, float lod) +{ + vec3 col = sampleProbes(pos, dir, lod); + + //desaturate + vec3 hcol = col *0.5; + + col *= 2.0; + col = vec3( + col.r + hcol.g + hcol.b, + col.g + hcol.r + hcol.b, + col.b + hcol.r + hcol.g + ); + + col *= 0.333333; + + return col*reflectionAmbiance; + +} + +// brighten a color so that at least one component is 1 +vec3 brighten(vec3 c) +{ + float m = max(max(c.r, c.g), c.b); + + if (m == 0) + { + return vec3(1,1,1); + } + + return c * 1.0/m; +} + + +void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv, + vec3 pos, vec3 norm, float glossiness, float envIntensity) +{ + // TODO - don't hard code lods + float reflection_lods = 8; + preProbeSample(pos); + + vec3 refnormpersp = reflect(pos.xyz, norm.xyz); + + ambenv = sampleProbeAmbient(pos, norm, reflection_lods-1); + + if (glossiness > 0.0) + { + float lod = (1.0-glossiness)*reflection_lods; + glossenv = sampleProbes(pos, normalize(refnormpersp), lod); + } + + if (envIntensity > 0.0) + { + legacyenv = sampleProbes(pos, normalize(refnormpersp), 0.0); + } +} + +void applyGlossEnv(inout vec3 color, vec3 glossenv, vec4 spec, vec3 pos, vec3 norm) +{ + glossenv *= 0.35; // fudge darker + float fresnel = 1.0+dot(normalize(pos.xyz), norm.xyz); + float minf = spec.a * 0.1; + fresnel = fresnel * (1.0-minf) + minf; + glossenv *= spec.rgb*min(fresnel, 1.0); + color.rgb += glossenv; +} + + void applyLegacyEnv(inout vec3 color, vec3 legacyenv, vec4 spec, vec3 pos, vec3 norm, float envIntensity) + { + vec3 reflected_color = legacyenv; //*0.5; //fudge darker + vec3 lookAt = normalize(pos); + float fresnel = 1.0+dot(lookAt, norm.xyz); + fresnel *= fresnel; + fresnel = min(fresnel+envIntensity, 1.0); + reflected_color *= (envIntensity*fresnel)*brighten(spec.rgb); + color = mix(color.rgb, reflected_color, envIntensity); + } + diff --git a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl index 6841a8194f..4379024680 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl @@ -195,5 +195,5 @@ void main() // Gamma correct for WL (soft clip effect). frag_data[0] = vec4(color.rgb, 1.0); frag_data[1] = vec4(0.0, 0.0, 0.0, 0.0); - frag_data[2] = vec4(0.0, 0.0, 0.0, 1.0); // 1.0 in norm.w masks off fog + frag_data[2] = vec4(0.0, 0.0, 0.0, GBUFFER_FLAG_SKIP_ATMOS); // 1.0 in norm.w masks off fog } diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 7700d16007..677c9c244c 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -88,7 +88,7 @@ void main() da = pow(da, light_gamma); vec4 diffuse = texture2DRect(diffuseRect, tc); - diffuse.rgb = linear_to_srgb(diffuse.rgb); // SL-14025 + diffuse.rgb = linear_to_srgb(diffuse.rgb); // SL-14035 vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; @@ -139,7 +139,7 @@ void main() color = mix(color.rgb, reflected_color, envIntensity); } - if (norm.w < 0.5) + if (GET_GBUFFER_FLAG(GBUFFER_FLAG_HAS_ATMOS)) { color = mix(atmosFragLighting(color, additive, atten), fullbrightAtmosTransportFrag(color, additive, atten), diffuse.a); color = mix(scaleSoftClipFrag(color), fullbrightScaleSoftClip(color), diffuse.a); diff --git a/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowF.glsl b/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowF.glsl deleted file mode 100644 index d973326f93..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowF.glsl +++ /dev/null @@ -1,44 +0,0 @@ -/** - * @file avatarShadowF.glsl - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -/*[EXTRA_CODE_HERE]*/ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif - -uniform sampler2D diffuseMap; - -VARYING vec4 pos; -VARYING vec2 vary_texcoord0; - -vec4 computeMoments(float depth, float a); - -void main() -{ - frag_color = computeMoments(length(pos), 1.0); -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowV.glsl b/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowV.glsl deleted file mode 100644 index 1a655e6467..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowV.glsl +++ /dev/null @@ -1,49 +0,0 @@ -/** - * @file attachmentShadowV.glsl - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform mat4 projection_matrix; -uniform mat4 modelview_matrix; -uniform mat4 texture_matrix0; - -ATTRIBUTE vec3 position; -ATTRIBUTE vec2 texcoord0; - -mat4 getObjectSkinnedTransform(); - -VARYING vec4 pos; - -void main() -{ - //transform vertex - mat4 mat = getObjectSkinnedTransform(); - - mat = modelview_matrix * mat; - pos = (mat*vec4(position.xyz, 1.0)); - pos = projection_matrix * vec4(pos.xyz, 1.0); - -#if !defined(DEPTH_CLAMP) - pos.z = max(pos.z, -pos.w+0.01); -#endif - gl_Position = pos; -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/avatarShadowF.glsl b/indra/newview/app_settings/shaders/class3/deferred/avatarShadowF.glsl deleted file mode 100644 index 48eefc7a73..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/avatarShadowF.glsl +++ /dev/null @@ -1,52 +0,0 @@ -/** - * @file avatarShadowF.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -/*[EXTRA_CODE_HERE]*/ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif - -uniform sampler2D diffuseMap; - -#if !defined(DEPTH_CLAMP) -VARYING vec4 post_pos; -#endif - -VARYING vec4 pos; - -vec4 computeMoments(float depth, float a); - -void main() -{ - frag_color = computeMoments(length(pos), 1.0); - -#if !defined(DEPTH_CLAMP) - gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0); -#endif -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/avatarShadowV.glsl b/indra/newview/app_settings/shaders/class3/deferred/avatarShadowV.glsl deleted file mode 100644 index 164b355f20..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/avatarShadowV.glsl +++ /dev/null @@ -1,68 +0,0 @@ -/** - * @file avatarShadowV.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform mat4 projection_matrix; - -mat4 getSkinnedTransform(); - -ATTRIBUTE vec3 position; -ATTRIBUTE vec3 normal; -ATTRIBUTE vec2 texcoord0; - -#if !defined(DEPTH_CLAMP) -VARYING vec4 post_pos; -#endif - -VARYING vec4 pos; - -void main() -{ - vec3 norm; - - vec4 pos_in = vec4(position.xyz, 1.0); - mat4 trans = getSkinnedTransform(); - - pos.x = dot(trans[0], pos_in); - pos.y = dot(trans[1], pos_in); - pos.z = dot(trans[2], pos_in); - pos.w = 1.0; - - norm.x = dot(trans[0].xyz, normal); - norm.y = dot(trans[1].xyz, normal); - norm.z = dot(trans[2].xyz, normal); - norm = normalize(norm); - - pos = projection_matrix * pos; - -#if !defined(DEPTH_CLAMP) - post_pos = pos; - gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w); -#else - gl_Position = pos; -#endif - -} - - diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudShadowF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudShadowF.glsl deleted file mode 100644 index 32210f60dc..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudShadowF.glsl +++ /dev/null @@ -1,119 +0,0 @@ -/** - * @file class3/deferred/cloudsF.glsl - * - * $LicenseInfo:firstyear=2005&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2005, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif - -uniform sampler2D diffuseMap; - -VARYING vec4 pos; -VARYING float target_pos_x; -VARYING float vary_CloudDensity; -VARYING vec2 vary_texcoord0; -VARYING vec2 vary_texcoord1; -VARYING vec2 vary_texcoord2; -VARYING vec2 vary_texcoord3; - -uniform sampler2D cloud_noise_texture; -uniform sampler2D cloud_noise_texture_next; -uniform float blend_factor; -uniform vec4 cloud_pos_density1; -uniform vec4 cloud_pos_density2; -uniform vec4 cloud_color; -uniform float cloud_shadow; -uniform float cloud_scale; -uniform float cloud_variance; -uniform vec3 camPosLocal; -uniform vec3 sun_dir; -uniform float sun_size; -uniform float far_z; - -vec4 cloudNoise(vec2 uv) -{ - vec4 a = texture2D(cloud_noise_texture, uv); - vec4 b = texture2D(cloud_noise_texture_next, uv); - vec4 cloud_noise_sample = mix(a, b, blend_factor); - return normalize(cloud_noise_sample); -} - -vec4 computeMoments(float depth, float alpha); - -void main() -{ - if (cloud_scale >= 0.001) - { - // Set variables - vec2 uv1 = vary_texcoord0.xy; - vec2 uv2 = vary_texcoord1.xy; - vec2 uv3 = vary_texcoord2.xy; - float cloudDensity = 2.0 * (cloud_shadow - 0.25); - - vec2 uv4 = vary_texcoord3.xy; - - vec2 disturbance = vec2(cloudNoise(uv1 / 8.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - vec2 disturbance2 = vec2(cloudNoise((uv1 + uv3) / 4.0f).x, cloudNoise((uv4 + uv2) / 8.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - - // Offset texture coords - uv1 += cloud_pos_density1.xy + (disturbance * 0.2); //large texture, visible density - uv2 += cloud_pos_density1.xy; //large texture, self shadow - uv3 += cloud_pos_density2.xy; //small texture, visible density - uv4 += cloud_pos_density2.xy; //small texture, self shadow - - float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0 + disturbance2.x + disturbance2.y) * 4.0); - - cloudDensity *= 1.0 - (density_variance * density_variance); - - // Compute alpha1, the main cloud opacity - float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z; - alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.); - - // And smooth - alpha1 = 1. - alpha1 * alpha1; - alpha1 = 1. - alpha1 * alpha1; - - if (alpha1 < 0.001f) - { - discard; - } - - // Compute alpha2, for self shadowing effect - // (1 - alpha2) will later be used as percentage of incoming sunlight - float alpha2 = (cloudNoise(uv2).x - 0.5); - alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); - - // And smooth - alpha2 = 1. - alpha2; - alpha2 = 1. - alpha2 * alpha2; - - frag_color = computeMoments(length(pos), alpha1); - } - else - { - frag_color = vec4(0); - } -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudShadowV.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudShadowV.glsl deleted file mode 100644 index effb070f93..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudShadowV.glsl +++ /dev/null @@ -1,63 +0,0 @@ -/** - * @file cloudShadowV.glsl - * - * $LicenseInfo:firstyear=2011&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2011, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform mat4 texture_matrix0; -uniform mat4 modelview_projection_matrix; -uniform float shadow_target_width; - -ATTRIBUTE vec3 position; -ATTRIBUTE vec4 diffuse_color; -ATTRIBUTE vec2 texcoord0; - -#if !defined(DEPTH_CLAMP) -VARYING float pos_zd2; -#endif - -VARYING vec4 pos; -VARYING float target_pos_x; -VARYING vec2 vary_texcoord0; -VARYING vec4 vertex_color; - -void passTextureIndex(); - -void main() -{ - //transform vertex - vec4 pre_pos = vec4(position.xyz, 1.0); - pos = modelview_projection_matrix * pre_pos; - target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x; - -#if !defined(DEPTH_CLAMP) - pos_zd2 = pos.z * 0.5; - gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w); -#else - gl_Position = pos; -#endif - - passTextureIndex(); - - vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy; - vertex_color = diffuse_color; -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl deleted file mode 100644 index e40d7e7c75..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl +++ /dev/null @@ -1,166 +0,0 @@ -/** - * @file class3/deferred/cloudsF.glsl - * - * $LicenseInfo:firstyear=2005&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2005, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_data[3]; -#else -#define frag_data gl_FragData -#endif - -///////////////////////////////////////////////////////////////////////// -// The fragment shader for the sky -///////////////////////////////////////////////////////////////////////// - -VARYING vec4 vary_CloudColorSun; -VARYING vec4 vary_CloudColorAmbient; -VARYING float vary_CloudDensity; -VARYING vec2 vary_texcoord0; -VARYING vec2 vary_texcoord1; -VARYING vec2 vary_texcoord2; -VARYING vec2 vary_texcoord3; -VARYING vec3 vary_pos; - -uniform sampler2D cloud_noise_texture; -uniform sampler2D cloud_noise_texture_next; -uniform float blend_factor; -uniform vec4 cloud_pos_density1; -uniform vec4 cloud_pos_density2; -uniform vec4 cloud_color; -uniform float cloud_shadow; -uniform float cloud_scale; -uniform float cloud_variance; -uniform vec3 camPosLocal; -uniform vec3 sun_dir; -uniform float sun_size; -uniform float far_z; - -uniform sampler2D transmittance_texture; -uniform sampler3D scattering_texture; -uniform sampler3D single_mie_scattering_texture; -uniform sampler2D irradiance_texture; -uniform sampler2D sh_input_r; -uniform sampler2D sh_input_g; -uniform sampler2D sh_input_b; - -vec3 GetSkyLuminance(vec3 camPos, vec3 view_dir, float shadow_length, vec3 dir, out vec3 transmittance); - -/// Soft clips the light with a gamma correction -vec3 scaleSoftClip(vec3 light); - -vec4 cloudNoise(vec2 uv) -{ - vec4 a = texture2D(cloud_noise_texture, uv); - vec4 b = texture2D(cloud_noise_texture_next, uv); - vec4 cloud_noise_sample = mix(a, b, blend_factor); - return cloud_noise_sample; -} - -void main() -{ - // Set variables - vec2 uv1 = vary_texcoord0.xy; - vec2 uv2 = vary_texcoord1.xy; - vec2 uv3 = vary_texcoord2.xy; - float cloudDensity = 2.0 * (cloud_shadow - 0.25); - - if (cloud_scale < 0.001) - { - discard; - } - - vec2 uv4 = vary_texcoord3.xy; - - vec2 disturbance = vec2(cloudNoise(uv1 / 16.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f); - - // Offset texture coords - uv1 += cloud_pos_density1.xy + (disturbance * 0.2); //large texture, visible density - uv2 += cloud_pos_density1.xy; //large texture, self shadow - uv3 += cloud_pos_density2.xy; //small texture, visible density - uv4 += cloud_pos_density2.xy; //small texture, self shadow - - float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0) * 4.0); - - cloudDensity *= 1.0 - (density_variance * density_variance); - - // Compute alpha1, the main cloud opacity - float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z; - alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.); - - // And smooth - alpha1 = 1. - alpha1 * alpha1; - alpha1 = 1. - alpha1 * alpha1; - - if (alpha1 < 0.001f) - { - discard; - } - - // Compute alpha2, for self shadowing effect - // (1 - alpha2) will later be used as percentage of incoming sunlight - float alpha2 = (cloudNoise(uv2).x - 0.5); - alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.); - - // And smooth - alpha2 = 1. - alpha2; - alpha2 = 1. - alpha2 * alpha2; - - vec3 view_ray = vary_pos.xyz + camPosLocal; - - vec3 view_direction = normalize(view_ray); - vec3 sun_direction = normalize(sun_dir); - vec3 earth_center = vec3(0, 0, -6360.0f); - vec3 camPos = (camPosLocal / 1000.0f) - earth_center; - - vec3 transmittance; - vec3 radiance_sun = GetSkyLuminance(camPos, view_direction, 1.0 - alpha1, sun_direction, transmittance); - - vec3 sun_color = vec3(1.0) - exp(-radiance_sun * 0.0001); - - // Combine - vec4 color; - - vec4 l1tap = vec4(1.0/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265)); - - vec4 l1r = texture2D(sh_input_r, vec2(0,0)); - vec4 l1g = texture2D(sh_input_g, vec2(0,0)); - vec4 l1b = texture2D(sh_input_b, vec2(0,0)); - - vec3 sun_indir = vec3(-view_direction.xy, view_direction.z); - vec3 amb = vec3(dot(l1r, l1tap * vec4(1, sun_indir)), - dot(l1g, l1tap * vec4(1, sun_indir)), - dot(l1b, l1tap * vec4(1, sun_indir))); - - - amb = max(vec3(0), amb); - - color.rgb = sun_color * cloud_color.rgb * (1. - alpha2); - color.rgb = pow(color.rgb, vec3(1.0 / 2.2)); - color.rgb += amb; - - frag_data[0] = vec4(color.rgb, alpha1); - frag_data[1] = vec4(0); - frag_data[2] = vec4(0,1,0,1); -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsV.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsV.glsl deleted file mode 100644 index 71e422ddf0..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/cloudsV.glsl +++ /dev/null @@ -1,70 +0,0 @@ -/** - * @file WLCloudsV.glsl - * - * $LicenseInfo:firstyear=2005&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2005, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform mat4 modelview_projection_matrix; -uniform mat4 modelview_matrix; - -ATTRIBUTE vec3 position; -ATTRIBUTE vec2 texcoord0; - -////////////////////////////////////////////////////////////////////////// -// The vertex shader for creating the atmospheric sky -/////////////////////////////////////////////////////////////////////////////// - -// Output parameters -VARYING vec2 vary_texcoord0; -VARYING vec2 vary_texcoord1; -VARYING vec2 vary_texcoord2; -VARYING vec2 vary_texcoord3; -VARYING vec3 vary_pos; - -// Inputs -uniform float cloud_scale; -uniform vec4 lightnorm; -uniform vec3 camPosLocal; - -void main() -{ - vary_pos = position; - - // World / view / projection - gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); - - // Texture coords - vary_texcoord0 = texcoord0; - vary_texcoord0.xy -= 0.5; - vary_texcoord0.xy /= max(0.001, cloud_scale); - vary_texcoord0.xy += 0.5; - - vary_texcoord1 = vary_texcoord0; - vary_texcoord1.x += lightnorm.x * 0.0125; - vary_texcoord1.y += lightnorm.z * 0.0125; - - vary_texcoord2 = vary_texcoord0 * 16.; - vary_texcoord3 = vary_texcoord1 * 16.; - - // END CLOUDS -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class3/deferred/deferredUtil.glsl deleted file mode 100644 index e27bbce094..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/deferredUtil.glsl +++ /dev/null @@ -1,79 +0,0 @@ -/** - * @file class1/deferred/deferredUtil.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform sampler2DRect normalMap; -uniform sampler2DRect depthMap; - -uniform mat4 inv_proj; -uniform vec2 screen_res; - -vec2 getScreenCoordinate(vec2 screenpos) -{ - vec2 sc = screenpos.xy * 2.0; - if (screen_res.x > 0 && screen_res.y > 0) - { - sc /= screen_res; - } - return sc - vec2(1.0, 1.0); -} - -vec3 getNorm(vec2 screenpos) -{ - vec2 enc = texture2DRect(normalMap, screenpos.xy).xy; - vec2 fenc = enc*4-2; - float f = dot(fenc,fenc); - float g = sqrt(1-f/4); - vec3 n; - n.xy = fenc*g; - n.z = 1-f/2; - return n; -} - -float getDepth(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen).r; - return depth; -} - -vec4 getPosition(vec2 pos_screen) -{ - float depth = getDepth(pos_screen); - vec2 sc = getScreenCoordinate(pos_screen); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} - -vec4 getPositionWithDepth(vec2 pos_screen, float depth) -{ - vec2 sc = getScreenCoordinate(pos_screen); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/depthToShadowVolumeG.glsl b/indra/newview/app_settings/shaders/class3/deferred/depthToShadowVolumeG.glsl deleted file mode 100644 index cdaff4b09f..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/depthToShadowVolumeG.glsl +++ /dev/null @@ -1,202 +0,0 @@ -/** - * @file depthToShadowVolumeG.glsl - * - * $LicenseInfo:firstyear=2011&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2011, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ -#extension GL_ARB_geometry_shader4 : enable -#extension GL_ARB_texture_rectangle : enable - -/*[EXTRA_CODE_HERE]*/ - -layout (triangles) in; -layout (triangle_strip, max_vertices = 128) out; - -uniform sampler2DRect depthMap; -uniform mat4 shadowMatrix[6]; -uniform vec4 lightpos; - -VARYING vec2 vary_texcoord0; - -out vec3 to_vec; - -void cross_products(out vec4 ns[3], int a, int b, int c) -{ - ns[0] = cross(gl_PositionIn[b].xyz - gl_PositionIn[a].xyz, gl_PositionIn[c].xyz - gl_PositionIn[a].xyz); - ns[1] = cross(gl_PositionIn[c].xyz - gl_PositionIn[b].xyz, gl_PositionIn[a].xyz - gl_PositionIn[b].xyz); - ns[2] = cross(gl_PositionIn[a].xyz - gl_PositionIn[c].xyz, gl_PositionIn[b].xyz - gl_PositionIn[c].xyz); -} - -vec3 getLightDirection(vec4 lightpos, vec3 pos) -{ - - vec3 lightdir = lightpos.xyz - lightpos.w * pos; - return lightdir; -} - -void emitTri(vec4 v[3]) -{ - gl_Position = proj_matrix * v[0]; - EmitVertex(); - - gl_Position = proj_matrix * v[1]; - EmitVertex(); - - gl_Position = proj_matrix * v[2]; - EmitVertex(); - - EndPrimitive(); -} - -void emitQuad(vec4 v[4] -{ - // Emit a quad as a triangle strip. - gl_Position = proj_matrix*v[0]; - EmitVertex(); - - gl_Position = proj_matrix*v[1]; - EmitVertex(); - - gl_Position = proj_matrix*v[2]; - EmitVertex(); - - gl_Position = proj_matrix*v[3]; - EmitVertex(); - - EndPrimitive(); -} - -void emitPrimitives(int layer) -{ - int i = layer; - gl_Layer = i; - - vec4 depth1 = vec4(texture2DRect(depthMap, tc0).rg, texture2DRect(depthMap, tc1).rg)); - vec3 depth2 = vec4(texture2DRect(depthMap, tc2).rg, texture2DRect(depthMap, tc3).rg)); - vec3 depth3 = vec4(texture2DRect(depthMap, tc4).rg, texture2DRect(depthMap, tc5).rg)); - vec3 depth4 = vec4(texture2DRect(depthMap, tc6).rg, texture2DRect(depthMap, tc7).rg)); - - depth1 = min(depth1, depth2); - depth1 = min(depth1, depth3); - depth1 = min(depth1, depth4); - - vec2 depth = min(depth1.xy, depth1.zw); - - int side = sqrt(gl_VerticesIn); - - for (int j = 0; j < side; j++) - { - for (int k = 0; k < side; ++k) - { - vec3 pos = gl_PositionIn[(j * side) + k].xyz; - vec4 v = shadowMatrix[i] * vec4(pos, 1.0); - gl_Position = v; - to_vec = pos - light_position.xyz * depth; - EmitVertex(); - } - - EndPrimitive(); - } - - vec3 norms[3]; // Normals - vec3 lightdir3]; // Directions toward light - - vec4 v[4]; // Temporary vertices - - vec4 or_pos[3] = - { // Triangle oriented toward light source - gl_PositionIn[0], - gl_PositionIn[2], - gl_PositionIn[4] - }; - - // Compute normal at each vertex. - cross_products(n, 0, 2, 4); - - // Compute direction from vertices to light. - lightdir[0] = getLightDirection(lightpos, gl_PositionIn[0].xyz); - lightdir[1] = getLightDirection(lightpos, gl_PositionIn[2].xyz); - lightdir[2] = getLightDirection(lightpos, gl_PositionIn[4].xyz); - - // Check if the main triangle faces the light. - bool faces_light = true; - if (!(dot(ns[0],d[0]) > 0 - |dot(ns[1],d[1]) > 0 - |dot(ns[2],d[2]) > 0)) - { - // Flip vertex winding order in or_pos. - or_pos[1] = gl_PositionIn[4]; - or_pos[2] = gl_PositionIn[2]; - faces_light = false; - } - - // Near cap: simply render triangle. - emitTri(or_pos); - - // Far cap: extrude positions to infinity. - v[0] =vec4(lightpos.w * or_pos[0].xyz - lightpos.xyz,0); - v[1] =vec4(lightpos.w * or_pos[2].xyz - lightpos.xyz,0); - v[2] =vec4(lightpos.w * or_pos[1].xyz - lightpos.xyz,0); - - emitTri(v); - - // Loop over all edges and extrude if needed. - for ( int i=0; i<3; i++ ) - { - // Compute indices of neighbor triangle. - int v0 = i*2; - int nb = (i*2+1); - int v1 = (i*2+2) % 6; - cross_products(n, v0, nb, v1); - - // Compute direction to light, again as above. - d[0] =lightpos.xyz-lightpos.w*gl_PositionIn[v0].xyz; - d[1] =lightpos.xyz-lightpos.w*gl_PositionIn[nb].xyz; - d[2] =lightpos.xyz-lightpos.w*gl_PositionIn[v1].xyz; - - bool is_parallel = gl_PositionIn[nb].w < 1e-5; - - // Extrude the edge if it does not have a - // neighbor, or if it's a possible silhouette. - if (is_parallel || - ( faces_light != (dot(ns[0],d[0])>0 || - dot(ns[1],d[1])>0 || - dot(ns[2],d[2])>0) )) - { - // Make sure sides are oriented correctly. - int i0 = faces_light ? v0 : v1; - int i1 = faces_light ? v1 : v0; - - v[0] = gl_PositionIn[i0]; - v[1] = vec4(lightpos.w*gl_PositionIn[i0].xyz - lightpos.xyz, 0); - v[2] = gl_PositionIn[i1]; - v[3] = vec4(lightpos.w*gl_PositionIn[i1].xyz - lightpos.xyz, 0); - - emitQuad(v); - } - } -} - -void main() -{ - // Output - emitPrimitives(0); -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/fullbrightShinyF.glsl b/indra/newview/app_settings/shaders/class3/deferred/fullbrightShinyF.glsl new file mode 100644 index 0000000000..a04f611440 --- /dev/null +++ b/indra/newview/app_settings/shaders/class3/deferred/fullbrightShinyF.glsl @@ -0,0 +1,122 @@ +/** + * @file fullbrightShinyF.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2007, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +/*[EXTRA_CODE_HERE]*/ + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +#ifndef HAS_DIFFUSE_LOOKUP +uniform sampler2D diffuseMap; +#endif + + +VARYING vec4 vertex_color; +VARYING vec2 vary_texcoord0; +VARYING vec3 vary_texcoord1; +VARYING vec3 vary_position; + +uniform samplerCube environmentMap; + +// render_hud_attachments() -> HUD objects set LLShaderMgr::NO_ATMO; used in LLDrawPoolAlpha::beginRenderPass() +uniform int no_atmo; + +vec3 fullbrightShinyAtmosTransport(vec3 light); +vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten); +vec3 fullbrightScaleSoftClip(vec3 light); + +void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten, bool use_ao); + +vec3 linear_to_srgb(vec3 c); +vec3 srgb_to_linear(vec3 c); + +#ifdef HAS_REFLECTION_PROBES +// reflection probe interface +void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyEnv, + vec3 pos, vec3 norm, float glossiness, float envIntensity); +void applyGlossEnv(inout vec3 color, vec3 glossenv, vec4 spec, vec3 pos, vec3 norm); +void applyLegacyEnv(inout vec3 color, vec3 legacyenv, vec4 spec, vec3 pos, vec3 norm, float envIntensity); +#endif + +// See: +// class1\deferred\fullbrightShinyF.glsl +// class1\lighting\lightFullbrightShinyF.glsl +void main() +{ +#ifdef HAS_DIFFUSE_LOOKUP + vec4 color = diffuseLookup(vary_texcoord0.xy); +#else + vec4 color = texture2D(diffuseMap, vary_texcoord0.xy); +#endif + + color.rgb *= vertex_color.rgb; + + // SL-9632 HUDs are affected by Atmosphere + if (no_atmo == 0) + { + vec3 sunlit; + vec3 amblit; + vec3 additive; + vec3 atten; + vec3 pos = vary_position; + calcAtmosphericVars(pos.xyz, vec3(0), 1.0, sunlit, amblit, additive, atten, false); + + float env_intensity = vertex_color.a; +#ifndef HAS_REFLECTION_PROBES + vec3 envColor = textureCube(environmentMap, vary_texcoord1.xyz).rgb; + color.rgb = mix(color.rgb, envColor.rgb, env_intensity); +#else + vec3 ambenv; + vec3 glossenv; + vec3 legacyenv; + vec3 norm = normalize(vary_texcoord1.xyz); + vec4 spec = vec4(0,0,0,0); + sampleReflectionProbes(ambenv, glossenv, legacyenv, pos.xyz, norm.xyz, spec.a, env_intensity); + legacyenv *= 1.5; // fudge brighter + applyLegacyEnv(color.rgb, legacyenv, spec, pos, norm, env_intensity); +#endif + color.rgb = fullbrightAtmosTransportFrag(color.rgb, additive, atten); + color.rgb = fullbrightScaleSoftClip(color.rgb); + } + +/* + // NOTE: HUD objects will be full bright. Uncomment if you want "some" environment lighting effecting these HUD objects. + else + { + vec3 envColor = textureCube(environmentMap, vary_texcoord1.xyz).rgb; + float env_intensity = vertex_color.a; + color.rgb = mix(color.rgb, envColor.rgb, env_intensity); + } +*/ + + color.a = 1.0; + //color.rgb = linear_to_srgb(color.rgb); + + frag_color = color; +} + diff --git a/indra/newview/app_settings/shaders/class3/deferred/gatherSkyShF.glsl b/indra/newview/app_settings/shaders/class3/deferred/gatherSkyShF.glsl deleted file mode 100644 index 34d26cddea..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/gatherSkyShF.glsl +++ /dev/null @@ -1,70 +0,0 @@ -/** - * @file class3/deferred/gatherSkyShF.glsl - * - * $LicenseInfo:firstyear=2005&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2005, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_data[3]; -#else -#define frag_data gl_FragData -#endif - -VARYING vec2 vary_frag; - -uniform vec2 screen_res; -uniform sampler2D sh_input_r; -uniform sampler2D sh_input_g; -uniform sampler2D sh_input_b; - -void main() -{ - vec2 offset = vec2(2.0) / screen_res; - - vec4 r = vec4(0); - vec4 g = vec4(0); - vec4 b = vec4(0); - - vec2 tc = vary_frag * 2.0; - - r += texture2D(sh_input_r, tc + vec2(0, 0)); - r += texture2D(sh_input_r, tc + vec2(offset.x, 0)); - r += texture2D(sh_input_r, tc + vec2(0, offset.y)); - r += texture2D(sh_input_r, tc + vec2(offset.x, offset.y)); - r /= 4.0f; - - g += texture2D(sh_input_g, tc + vec2(0, 0)); - g += texture2D(sh_input_g, tc + vec2(offset.x, 0)); - g += texture2D(sh_input_g, tc + vec2(0, offset.y)); - g += texture2D(sh_input_g, tc + vec2(offset.x, offset.y)); - g /= 4.0f; - - b += texture2D(sh_input_b, tc + vec2(0, 0)); - b += texture2D(sh_input_b, tc + vec2(offset.x, 0)); - b += texture2D(sh_input_b, tc + vec2(0, offset.y)); - b += texture2D(sh_input_b, tc + vec2(offset.x, offset.y)); - b /= 4.0f; - - frag_data[0] = r; - frag_data[1] = g; - frag_data[2] = b; -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/gatherSkyShV.glsl b/indra/newview/app_settings/shaders/class3/deferred/gatherSkyShV.glsl deleted file mode 100644 index 337c8a50fe..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/gatherSkyShV.glsl +++ /dev/null @@ -1,40 +0,0 @@ -/** - * @file gatherSkyShV.glsl - * - * $LicenseInfo:firstyear=2005&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2005, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -ATTRIBUTE vec3 position; -ATTRIBUTE vec2 texcoord0; - -VARYING vec2 vary_frag; -uniform vec2 screen_res; - -void main() -{ - // pass through untransformed fullscreen pos - float oo_divisor = screen_res.x / 64.0; - vec3 pos = (position.xyz * oo_divisor) + vec3(oo_divisor - 1, oo_divisor - 1, 0); - gl_Position = vec4(pos.xyz, 1.0); - vary_frag = texcoord0 * oo_divisor; -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/genSkyShF.glsl b/indra/newview/app_settings/shaders/class3/deferred/genSkyShF.glsl deleted file mode 100644 index d5d91c88f0..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/genSkyShF.glsl +++ /dev/null @@ -1,111 +0,0 @@ -/** - * @file class3/deferred/genSkyShF.glsl - * - * $LicenseInfo:firstyear=2005&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2005, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_data[3]; -#else -#define frag_data gl_FragData -#endif - -VARYING vec2 vary_frag; - -uniform vec3 sun_dir; - -uniform sampler2D transmittance_texture; -uniform sampler3D scattering_texture; -uniform sampler3D single_mie_scattering_texture; -uniform sampler2D irradiance_texture; - -vec3 GetSkyLuminance(vec3 camPos, vec3 view_dir, float shadow_length, vec3 dir, out vec3 transmittance); - -vec3 calcDirection(vec2 tc) -{ - float phi = tc.y * 2.0 * 3.14159265; - float cosTheta = sqrt(1.0 - tc.x); - float sinTheta = sqrt(1.0 - cosTheta * cosTheta); - return vec3(cos(phi) * sinTheta, sin(phi) * sinTheta, cosTheta); -} - -// reverse mapping above to convert a hemisphere direction into phi/theta values -void getPhiAndThetaFromDirection(vec3 dir, out float phi, out float theta) -{ - float sin_theta; - float cos_theta; - cos_theta = dir.z; - theta = acos(cos_theta); - sin_theta = sin(theta); - phi = abs(sin_theta) > 0.0001 ? acos(dir.x / sin_theta) : 1.0; -} - -// reverse mapping above to convert a hemisphere direction into an SH texture sample pos -vec2 calcShUvFromDirection(vec3 dir) -{ - vec2 uv; - float phi; - float theta; - getPhiAndThetaFromDirection(dir, phi, theta); - uv.y = phi / 2.0 * 3.14159265; - uv.x = theta / 2.0 * 3.14159265; - return uv; -} - -void projectToL1(vec3 n, vec3 c, vec4 basis, out vec4 coeffs[3]) -{ - coeffs[0] = vec4(basis.x, n * basis.yzw * c.r); - coeffs[1] = vec4(basis.x, n * basis.yzw * c.g); - coeffs[2] = vec4(basis.x, n * basis.yzw * c.b); -} - -void main() -{ - float Y00 = sqrt(1.0 / 3.14159265) * 0.5; - float Y1x = sqrt(3.0 / 3.14159265) * 0.5; - float Y1y = Y1x; - float Y1z = Y1x; - - vec4 L1 = vec4(Y00, Y1x, Y1y, Y1z); - - vec3 view_direction = calcDirection(vary_frag); - vec3 sun_direction = normalize(sun_dir); - vec3 cam_pos = vec3(0, 0, 6360); - - vec3 transmittance; - vec3 radiance = GetSkyLuminance(cam_pos, view_direction, 0.0f, sun_direction, transmittance); - - vec3 color = vec3(1.0) - exp(-radiance * 0.0001); - - color = pow(color, vec3(1.0/2.2)); - - vec4 coeffs[3]; - coeffs[0] = vec4(0); - coeffs[1] = vec4(0); - coeffs[2] = vec4(0); - - projectToL1(view_direction, color.rgb, L1, coeffs); - - frag_data[0] = coeffs[0]; - frag_data[1] = coeffs[1]; - frag_data[2] = coeffs[2]; -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/indirect.glsl b/indra/newview/app_settings/shaders/class3/deferred/indirect.glsl deleted file mode 100644 index 33c5667cae..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/indirect.glsl +++ /dev/null @@ -1,44 +0,0 @@ -/** - * @file class3/deferred/indirect.glsl - * - * $LicenseInfo:firstyear=2011&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2011, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -/*[EXTRA_CODE_HERE]*/ - -uniform sampler2D sh_input_r; -uniform sampler2D sh_input_g; -uniform sampler2D sh_input_b; - -vec3 GetIndirect(vec3 norm) -{ - vec4 l1tap = vec4(1.0/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265)); - vec4 l1r = texture2D(sh_input_r, vec2(0,0)); - vec4 l1g = texture2D(sh_input_g, vec2(0,0)); - vec4 l1b = texture2D(sh_input_b, vec2(0,0)); - vec3 indirect = vec3(dot(l1r, l1tap * vec4(1, norm.xyz)), - dot(l1g, l1tap * vec4(1, norm.xyz)), - dot(l1b, l1tap * vec4(1, norm.xyz))); - indirect = clamp(indirect, vec3(0), vec3(1.0)); - return indirect; -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl new file mode 100644 index 0000000000..7f8536cdab --- /dev/null +++ b/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl @@ -0,0 +1,455 @@ +/** +* @file materialF.glsl +* +* $LicenseInfo:firstyear=2007&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2007, Linden Research, Inc. +* +* This library is free software; you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public +* License as published by the Free Software Foundation; +* version 2.1 of the License only. +* +* This library is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this library; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +* +* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA +* $/LicenseInfo$ +*/ + +/*[EXTRA_CODE_HERE]*/ + +//class1/deferred/materialF.glsl + +// This shader is used for both writing opaque/masked content to the gbuffer and writing blended content to the framebuffer during the alpha pass. + +#define DIFFUSE_ALPHA_MODE_NONE 0 +#define DIFFUSE_ALPHA_MODE_BLEND 1 +#define DIFFUSE_ALPHA_MODE_MASK 2 +#define DIFFUSE_ALPHA_MODE_EMISSIVE 3 + +uniform float emissive_brightness; // fullbright flag, 1.0 == fullbright, 0.0 otherwise +uniform int sun_up_factor; + +#ifdef WATER_FOG +vec4 applyWaterFogView(vec3 pos, vec4 color); +#endif + +vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten); +vec3 scaleSoftClipFrag(vec3 l); + +vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten); +vec3 fullbrightScaleSoftClip(vec3 light); + +void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten, bool use_ao); + +vec3 srgb_to_linear(vec3 cs); +vec3 linear_to_srgb(vec3 cs); + +#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND) + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +#ifdef HAS_SUN_SHADOW +float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen); +#endif + +#ifdef HAS_REFLECTION_PROBES +void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv, + vec3 pos, vec3 norm, float glossiness, float envIntensity); +void applyGlossEnv(inout vec3 color, vec3 glossenv, vec4 spec, vec3 pos, vec3 norm); +void applyLegacyEnv(inout vec3 color, vec3 legacyenv, vec4 spec, vec3 pos, vec3 norm, float envIntensity); +#endif + +uniform samplerCube environmentMap; +uniform sampler2D lightFunc; + +// Inputs +uniform vec4 morphFactor; +uniform vec3 camPosLocal; +uniform mat3 env_mat; + +uniform vec3 sun_dir; +uniform vec3 moon_dir; +VARYING vec2 vary_fragcoord; + +VARYING vec3 vary_position; + +uniform mat4 proj_mat; +uniform mat4 inv_proj; +uniform vec2 screen_res; + +uniform vec4 light_position[8]; +uniform vec3 light_direction[8]; +uniform vec4 light_attenuation[8]; +uniform vec3 light_diffuse[8]; + +float getAmbientClamp(); + +vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spec, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight, inout float glare, float ambiance) +{ + // SL-14895 inverted attenuation work-around + // This routine is tweaked to match deferred lighting, but previously used an inverted la value. To reconstruct + // that previous value now that the inversion is corrected, we reverse the calculations in LLPipeline::setupHWLights() + // to recover the `adjusted_radius` value previously being sent as la. + float falloff_factor = (12.0 * fa) - 9.0; + float inverted_la = falloff_factor / la; + // Yes, it makes me want to cry as well. DJH + + vec3 col = vec3(0); + + //get light vector + vec3 lv = lp.xyz - v; + + //get distance + float dist = length(lv); + float da = 1.0; + + dist /= inverted_la; + + if (dist > 0.0 && inverted_la > 0.0) + { + //normalize light vector + lv = normalize(lv); + + //distance attenuation + float dist_atten = clamp(1.0 - (dist - 1.0*(1.0 - fa)) / fa, 0.0, 1.0); + dist_atten *= dist_atten; + dist_atten *= 2.0f; + + if (dist_atten <= 0.0) + { + return col; + } + + // spotlight coefficient. + float spot = max(dot(-ln, lv), is_pointlight); + da *= spot*spot; // GL_SPOT_EXPONENT=2 + + //angular attenuation + da *= dot(n, lv); + + float lit = 0.0f; + + float amb_da = ambiance; + if (da >= 0) + { + lit = max(da * dist_atten, 0.0); + col = lit * light_col * diffuse; + amb_da += (da*0.5 + 0.5) * ambiance; + } + amb_da += (da*da*0.5 + 0.5) * ambiance; + amb_da *= dist_atten; + amb_da = min(amb_da, 1.0f - lit); + + // SL-10969 need to see why these are blown out + //col.rgb += amb_da * light_col * diffuse; + + if (spec.a > 0.0) + { + //vec3 ref = dot(pos+lv, norm); + vec3 h = normalize(lv + npos); + float nh = dot(n, h); + float nv = dot(n, npos); + float vh = dot(npos, h); + float sa = nh; + float fres = pow(1 - dot(h, npos), 5)*0.4 + 0.5; + + float gtdenom = 2 * nh; + float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh)); + + if (nh > 0.0) + { + float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt / (nh*da); + vec3 speccol = lit*scol*light_col.rgb*spec.rgb; + speccol = clamp(speccol, vec3(0), vec3(1)); + col += speccol; + + float cur_glare = max(speccol.r, speccol.g); + cur_glare = max(cur_glare, speccol.b); + glare = max(glare, speccol.r); + glare += max(cur_glare, 0.0); + } + } + } + + return max(col, vec3(0.0, 0.0, 0.0)); +} + +#else +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_data[3]; +#else +#define frag_data gl_FragData +#endif +#endif + +uniform sampler2D diffuseMap; //always in sRGB space + +#ifdef HAS_NORMAL_MAP +uniform sampler2D bumpMap; +#endif + +#ifdef HAS_SPECULAR_MAP +uniform sampler2D specularMap; + +VARYING vec2 vary_texcoord2; +#endif + +uniform float env_intensity; +uniform vec4 specular_color; // specular color RGB and specular exponent (glossiness) in alpha + +#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_MASK) +uniform float minimum_alpha; +#endif + +#ifdef HAS_NORMAL_MAP +VARYING vec3 vary_mat0; +VARYING vec3 vary_mat1; +VARYING vec3 vary_mat2; +VARYING vec2 vary_texcoord1; +#else +VARYING vec3 vary_normal; +#endif + +VARYING vec4 vertex_color; +VARYING vec2 vary_texcoord0; + +vec2 encode_normal(vec3 n); + +void main() +{ + vec2 pos_screen = vary_texcoord0.xy; + + vec4 diffcol = texture2D(diffuseMap, vary_texcoord0.xy); + diffcol.rgb *= vertex_color.rgb; + +#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_MASK) + + // Comparing floats cast from 8-bit values, produces acne right at the 8-bit transition points + float bias = 0.001953125; // 1/512, or half an 8-bit quantization + if (diffcol.a < minimum_alpha-bias) + { + discard; + } +#endif + +#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND) + vec3 gamma_diff = diffcol.rgb; + diffcol.rgb = srgb_to_linear(diffcol.rgb); +#endif + +#ifdef HAS_SPECULAR_MAP + vec4 spec = texture2D(specularMap, vary_texcoord2.xy); + spec.rgb *= specular_color.rgb; +#else + vec4 spec = vec4(specular_color.rgb, 1.0); +#endif + +#ifdef HAS_NORMAL_MAP + vec4 norm = texture2D(bumpMap, vary_texcoord1.xy); + + norm.xyz = norm.xyz * 2 - 1; + + vec3 tnorm = vec3(dot(norm.xyz,vary_mat0), + dot(norm.xyz,vary_mat1), + dot(norm.xyz,vary_mat2)); +#else + vec4 norm = vec4(0,0,0,1.0); + vec3 tnorm = vary_normal; +#endif + + norm.xyz = normalize(tnorm.xyz); + + vec2 abnormal = encode_normal(norm.xyz); + + vec4 final_color = diffcol; + +#if (DIFFUSE_ALPHA_MODE != DIFFUSE_ALPHA_MODE_EMISSIVE) + final_color.a = emissive_brightness; +#else + final_color.a = max(final_color.a, emissive_brightness); +#endif + + vec4 final_specular = spec; + +#ifdef HAS_SPECULAR_MAP + vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity * spec.a, GBUFFER_FLAG_HAS_ATMOS); + final_specular.a = specular_color.a * norm.a; +#else + vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity, GBUFFER_FLAG_HAS_ATMOS); + final_specular.a = specular_color.a; +#endif + +#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND) + + //forward rendering, output just lit sRGBA + vec3 pos = vary_position; + + float shadow = 1.0f; + +#ifdef HAS_SUN_SHADOW + shadow = sampleDirectionalShadow(pos.xyz, norm.xyz, pos_screen); +#endif + + spec = final_specular; + vec4 diffuse = final_color; + float envIntensity = final_normal.z; + + vec3 color = vec3(0,0,0); + + vec3 light_dir = (sun_up_factor == 1) ? sun_dir : moon_dir; + + float bloom = 0.0; + vec3 sunlit; + vec3 amblit; + vec3 additive; + vec3 atten; + + calcAtmosphericVars(pos.xyz, light_dir, 1.0, sunlit, amblit, additive, atten, false); + + // This call breaks the Mac GLSL compiler/linker for unknown reasons (17Mar2020) + // The call is either a no-op or a pure (pow) gamma adjustment, depending on GPU level + // TODO: determine if we want to re-apply the gamma adjustment, and if so understand & fix Mac breakage + //color = fullbrightScaleSoftClip(color); + + vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); + + //we're in sRGB space, so gamma correct this dot product so + // lighting from the sun stays sharp + float da = clamp(dot(normalize(norm.xyz), light_dir.xyz), 0.0, 1.0); + da = pow(da, 1.0 / 1.3); + vec3 sun_contrib = min(da, shadow) * sunlit; + +#ifdef HAS_REFLECTION_PROBES + vec3 ambenv; + vec3 glossenv; + vec3 legacyenv; + sampleReflectionProbes(ambenv, glossenv, legacyenv, pos.xyz, norm.xyz, spec.a, envIntensity); + amblit = max(ambenv, amblit); + color.rgb = amblit; +#else + + color = amblit; + + //darken ambient for normals perpendicular to light vector so surfaces in shadow + // and facing away from light still have some definition to them. + // do NOT gamma correct this dot product so ambient lighting stays soft + float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0); + ambient *= 0.5; + ambient *= ambient; + ambient = (1.0 - ambient); + + color *= ambient; +#endif + + color += sun_contrib; + + color *= gamma_diff.rgb; + + float glare = 0.0; + + if (spec.a > 0.0) // specular reflection + { + float sa = dot(refnormpersp, sun_dir.xyz); + vec3 dumbshiny = sunlit * shadow * (texture2D(lightFunc, vec2(sa, spec.a)).r); + + // add the two types of shiny together + vec3 spec_contrib = dumbshiny * spec.rgb; + bloom = dot(spec_contrib, spec_contrib) / 6; + + glare = max(spec_contrib.r, spec_contrib.g); + glare = max(glare, spec_contrib.b); + + color += spec_contrib; + +#ifdef HAS_REFLECTION_PROBES + applyGlossEnv(color, glossenv, spec, pos.xyz, norm.xyz); +#endif + } + + + color = mix(color.rgb, diffcol.rgb, diffuse.a); + +#ifdef HAS_REFLECTION_PROBES + if (envIntensity > 0.0) + { // add environmentmap + //fudge darker + legacyenv *= 0.5*diffuse.a+0.5; + + applyLegacyEnv(color, legacyenv, spec, pos.xyz, norm.xyz, envIntensity); + } +#else + if (envIntensity > 0.0) + { + //add environmentmap + vec3 env_vec = env_mat * refnormpersp; + + vec3 reflected_color = textureCube(environmentMap, env_vec).rgb; + + color = mix(color, reflected_color, envIntensity); + + float cur_glare = max(reflected_color.r, reflected_color.g); + cur_glare = max(cur_glare, reflected_color.b); + cur_glare *= envIntensity*4.0; + glare += cur_glare; + } +#endif + + color = atmosFragLighting(color, additive, atten); + color = scaleSoftClipFrag(color); + + //convert to linear before adding local lights + color = srgb_to_linear(color); + + vec3 npos = normalize(-pos.xyz); + + vec3 light = vec3(0, 0, 0); + + final_specular.rgb = srgb_to_linear(final_specular.rgb); // SL-14035 + +#define LIGHT_LOOP(i) light.rgb += calcPointLightOrSpotLight(light_diffuse[i].rgb, npos, diffuse.rgb, final_specular, pos.xyz, norm.xyz, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z, glare, light_attenuation[i].w ); + + LIGHT_LOOP(1) + LIGHT_LOOP(2) + LIGHT_LOOP(3) + LIGHT_LOOP(4) + LIGHT_LOOP(5) + LIGHT_LOOP(6) + LIGHT_LOOP(7) + + color += light; + + glare = min(glare, 1.0); + float al = max(diffcol.a, glare)*vertex_color.a; + + //convert to srgb as this color is being written post gamma correction + color = linear_to_srgb(color); + +#ifdef WATER_FOG + vec4 temp = applyWaterFogView(pos, vec4(color, al)); + color = temp.rgb; + al = temp.a; +#endif + + frag_color = vec4(color, al); + +#else // mode is not DIFFUSE_ALPHA_MODE_BLEND, encode to gbuffer + + // deferred path // See: C++: addDeferredAttachment(), shader: softenLightF.glsl + frag_data[0] = final_color; // gbuffer is sRGB + frag_data[1] = final_specular; // XYZ = Specular color. W = Specular exponent. + frag_data[2] = final_normal; // XY = Normal. Z = Env. intensity. W = 1 skip atmos (mask off fog) +#endif +} + diff --git a/indra/newview/app_settings/shaders/class3/deferred/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/multiPointLightF.glsl new file mode 100644 index 0000000000..71135786c3 --- /dev/null +++ b/indra/newview/app_settings/shaders/class3/deferred/multiPointLightF.glsl @@ -0,0 +1,202 @@ +/** + * @file class3\deferred\multiPointLightF.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#extension GL_ARB_texture_rectangle : enable + +/*[EXTRA_CODE_HERE]*/ + +#define DEBUG_ANY_LIGHT_TYPE 0 // Output red light cone +#define DEBUG_PBR_LIGHT_TYPE 0 // Output PBR objects in red +#define DEBUG_LEG_LIGHT_TYPE 0 // Show Legacy objects in red +#define DEBUG_POINT_ZERO 0 // Output zero for spotlight + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +uniform sampler2DRect depthMap; +uniform sampler2DRect diffuseRect; +uniform sampler2DRect specularRect; +uniform sampler2DRect emissiveRect; // PBR linear packed Occlusion, Roughness, Metal. See: pbropaqueF.glsl +uniform sampler2D noiseMap; +uniform sampler2D lightFunc; + +uniform vec3 env_mat[3]; +uniform float sun_wash; +uniform int light_count; +uniform vec4 light[LIGHT_COUNT]; // .w = size; see C++ fullscreen_lights.push_back() +uniform vec4 light_col[LIGHT_COUNT]; // .a = falloff + +uniform vec2 screen_res; +uniform float far_z; +uniform mat4 inv_proj; + +VARYING vec4 vary_fragcoord; + +vec3 BRDFLambertian( vec3 reflect0, vec3 reflect90, vec3 c_diff, float specWeight, float vh ); +vec3 BRDFSpecularGGX( vec3 reflect0, vec3 reflect90, float alphaRoughness, float specWeight, float vh, float nl, float nv, float nh ); +void calcHalfVectors(vec3 lv, vec3 n, vec3 v, out vec3 h, out vec3 l, out float nh, out float nl, out float nv, out float vh, out float lightDist); +float calcLegacyDistanceAttenuation(float distance, float falloff); +vec3 getLightIntensityPoint(vec3 lightColor, float lightRange, float lightDistance); +vec4 getPosition(vec2 pos_screen); +vec4 getNormalEnvIntensityFlags(vec2 screenpos, out vec3 n, out float envIntensity); +vec2 getScreenXY(vec4 clip); +void initMaterial( vec3 diffuse, vec3 packedORM, out float alphaRough, out vec3 c_diff, out vec3 reflect0, out vec3 reflect90, out float specWeight ); +vec3 srgb_to_linear(vec3 c); + +// Util +vec3 hue_to_rgb(float hue); + +void main() +{ +#if defined(LOCAL_LIGHT_KILL) + discard; // Bail immediately +#else + vec3 final_color = vec3(0, 0, 0); + vec2 tc = getScreenXY(vary_fragcoord); + vec3 pos = getPosition(tc).xyz; + if (pos.z < far_z) + { + discard; + } + + float envIntensity; // not used for this shader + vec3 n; + vec4 norm = getNormalEnvIntensityFlags(tc, n, envIntensity); // need `norm.w` for GET_GBUFFER_FLAG() + + vec4 spec = texture2DRect(specularRect, tc); + vec3 diffuse = texture2DRect(diffuseRect, tc).rgb; + + vec3 h, l, v = -normalize(pos); + float nh, nl, nv, vh, lightDist; + + if (GET_GBUFFER_FLAG(GBUFFER_FLAG_HAS_PBR)) + { + vec3 colorDiffuse = vec3(0); + vec3 colorSpec = vec3(0); + vec3 colorEmissive = spec.rgb; // PBR sRGB Emissive. See: pbropaqueF.glsl + vec3 packedORM = texture2DRect(emissiveRect, tc).rgb; // PBR linear packed Occlusion, Roughness, Metal. See: pbropaqueF.glsl + + vec3 c_diff, reflect0, reflect90; + float alphaRough, specWeight; + initMaterial( diffuse, packedORM, alphaRough, c_diff, reflect0, reflect90, specWeight ); + + for (int light_idx = 0; light_idx < LIGHT_COUNT; ++light_idx) + { + vec3 lightColor = light_col[ light_idx ].rgb; // Already in linear, see pipeline.cpp: volume->getLightLinearColor(); + float falloff = light_col[ light_idx ].a; + float lightSize = light [ light_idx ].w; + vec3 lv =(light [ light_idx ].xyz - pos); + calcHalfVectors(lv, n, v, h, l, nh, nl, nv, vh, lightDist); + + if (nl > 0.0) + { + float dist = lightDist / lightSize; + float dist_atten = calcLegacyDistanceAttenuation(dist, falloff); + + vec3 intensity = dist_atten * nl * lightColor; + colorDiffuse += intensity * BRDFLambertian (reflect0, reflect90, c_diff , specWeight, vh); + colorSpec += intensity * BRDFSpecularGGX(reflect0, reflect90, alphaRough, specWeight, vh, nl, nv, nh); + } + } + + #if DEBUG_PBR_LIGHT_TYPE + colorDiffuse = vec3(0.5,0,0); colorSpec = vec3(0); + #endif + final_color = colorDiffuse + colorSpec; + } + else + { + + float noise = texture2D(noiseMap, tc/128.0).b; + + // As of OSX 10.6.7 ATI Apple's crash when using a variable size loop + for (int i = 0; i < LIGHT_COUNT; ++i) + { + vec3 lv = light[i].xyz - pos; + float dist = length(lv); + dist /= light[i].w; + if (dist <= 1.0) + { + float nl = dot(n, lv); + if (nl > 0.0) + { + float lightDist; + calcHalfVectors(lv, n, v, h, l, nh, nl, nv, vh, lightDist); + + float fa = light_col[i].a + 1.0; + float dist_atten = calcLegacyDistanceAttenuation(dist, fa); + dist_atten *= noise; + + float lit = nl * dist_atten; + + vec3 col = light_col[i].rgb * lit * diffuse; + + if (spec.a > 0.0) + { + lit = min(nl * 6.0, 1.0) * dist_atten; + float fres = pow(1 - vh, 5) * 0.4 + 0.5; + + float gtdenom = 2 * nh; + float gt = max(0, min(gtdenom * nv / vh, gtdenom * nl / vh)); + + if (nh > 0.0) + { + float scol = fres * texture2D(lightFunc, vec2(nh, spec.a)).r * gt / (nh * nl); + col += lit * scol * light_col[i].rgb * spec.rgb; + } + } + + final_color += col; + } + } + } + #if DEBUG_LEG_LIGHT_TYPE + final_color.rgb = vec3(0.5,0,0.0); + #endif + } + +#if DEBUG_POINT_ZERO + final_color = vec3(0); +#endif +#if DEBUG_ANY_LIGHT_TYPE + final_color = vec3(0.3333,0,0); +#endif + + frag_color.rgb = final_color; + frag_color.a = 0.0; +#endif // LOCAL_LIGHT_KILL + +#ifdef IS_AMD_CARD + // If it's AMD make sure the GLSL compiler sees the arrays referenced once by static index. Otherwise it seems to optimise the storage + // away which leads to unfun crashes and artifacts. + vec4 dummy1 = light[0]; + vec4 dummy2 = light_col[0]; + vec4 dummy3 = light[LIGHT_COUNT - 1]; + vec4 dummy4 = light_col[LIGHT_COUNT - 1]; +#endif +} diff --git a/indra/newview/app_settings/shaders/class3/deferred/sunLightV.glsl b/indra/newview/app_settings/shaders/class3/deferred/multiPointLightV.glsl index bc5eb5181d..ad6a0fa752 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/sunLightV.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/multiPointLightV.glsl @@ -1,9 +1,9 @@ /** - * @file sunLightV.glsl + * @file class3\deferred\multiPointLightV.glsl * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. + * Copyright (C) 2022, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -27,15 +27,13 @@ uniform mat4 modelview_projection_matrix; ATTRIBUTE vec3 position; -VARYING vec2 vary_fragcoord; - -uniform vec2 screen_res; +VARYING vec4 vary_fragcoord; void main() { //transform vertex vec4 pos = modelview_projection_matrix * vec4(position.xyz, 1.0); - gl_Position = pos; - - vary_fragcoord = (pos.xy * 0.5 + 0.5)*screen_res; + vary_fragcoord = pos; + + gl_Position = pos; } diff --git a/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl index 9d62b9d180..a9a2b8dcb4 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl @@ -1,9 +1,9 @@ /** - * @file multiSpotLightF.glsl + * @file class3\deferred\multiSpotLightF.glsl * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. + * Copyright (C) 2022, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -28,6 +28,40 @@ /*[EXTRA_CODE_HERE]*/ +#define DEBUG_ANY_LIGHT_TYPE 0 // Output blue light cone +#define DEBUG_LEG_LIGHT_TYPE 0 // Show Legacy objects in blue +#define DEBUG_PBR_LIGHT_TYPE 0 // Ouput gray if PBR multiSpot lights object +#define DEBUG_PBR_SPOT 0 +#define DEBUG_PBR_SPOT_DIFFUSE 0 // PBR diffuse lit +#define DEBUG_PBR_SPOT_SPECULAR 0 // PBR spec lit + +#define DEBUG_LIGHT_FRUSTUM 0 // If projected light effects a surface +#define DEBUG_AMBIANCE_COLOR 0 // calculated ambiance color +#define DEBUG_AMBIANCE_AOE 0 // area of effect using inverse ambiance color +#define DEBUG_AMBIANCE_FINAL 0 // light color * ambiance color +#define DEBUG_NOISE 0 // monochrome noise +#define DEBUG_SHADOW 0 // Show inverted shadow +#define DEBUG_SPOT_DIFFUSE 0 // dot(n,l) * dist_atten +#define DEBUG_SPOT_NL 0 // monochome area effected by light +#define DEBUG_SPOT_SPEC_POS 0 +#define DEBUG_SPOT_REFLECTION 0 // color: pos reflected along n +#define DEBUG_SPOT_ZERO 0 // Output zero for spotlight + +#define DEBUG_PBR_LIGHT_H 0 // Half vector +#define DEBUG_PBR_LIHGT_L 0 // Light vector +#define DEBUG_PBR_LIGHT_NH 0 // colorized dot(n,h) +#define DEBUG_PBR_LIGHT_NL 0 // colorized dot(n,l) +#define DEBUG_PBR_LIGHT_NV 0 // colorized dot(n,v) +#define DEBUG_PBR_LIGHT_VH 0 // colorized dot(v,h) +#define DEBUG_PBR_LIGHT_DIFFUSE_COLOR 0 // non PBR spotlight +#define DEBUG_PBR_LIGHT_SPECULAR_COLOR 0 // non PBR spotlight +#define DEBUG_PBR_LIGHT_INTENSITY 0 // Light intensity +#define DEBUG_PBR_LIGHT_INTENSITY_NL 0 // Light intensity * dot(n,l) +#define DEBUG_PBR_LIGHT_BRDF_DIFFUSE 0 // like "fullbright" if no "nl" factor +#define DEBUG_PBR_LIGHT_BRDF_SPECULAR 0 +#define DEBUG_PBR_LIGHT_BRDF_FINAL 0 // BRDF Diffuse + BRDF Specular + + #ifdef DEFINE_GL_FRAGCOLOR out vec4 frag_color; #else @@ -38,10 +72,11 @@ uniform sampler2DRect diffuseRect; uniform sampler2DRect specularRect; uniform sampler2DRect depthMap; uniform sampler2DRect normalMap; +uniform sampler2DRect emissiveRect; // PBR linear packed Occlusion, Roughness, Metal. See: pbropaqueF.glsl uniform samplerCube environmentMap; uniform sampler2DRect lightMap; uniform sampler2D noiseMap; -uniform sampler2D projectionMap; +uniform sampler2D projectionMap; // rgba uniform sampler2D lightFunc; uniform mat4 proj_mat; //screen space to light space @@ -61,6 +96,7 @@ uniform float sun_wash; uniform int proj_shadow_idx; uniform float shadow_fade; +// Light params uniform vec3 center; uniform float size; uniform vec3 color; @@ -71,221 +107,327 @@ uniform vec2 screen_res; uniform mat4 inv_proj; -vec3 getNorm(vec2 pos_screen); - -vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); - - float det = min(lod/(proj_lod*0.5), 1.0); - - float d = min(dist.x, dist.y); - - d *= min(1, d * (proj_lod - lod)); - - float edge = 0.25*det; - - ret *= clamp(d/edge, 0.0, 1.0); - - return ret; -} - -vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); - - float det = min(lod/(proj_lod*0.5), 1.0); - - float d = min(dist.x, dist.y); - - float edge = 0.25*det; - - ret *= clamp(d/edge, 0.0, 1.0); - - return ret; -} - -vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = tc-vec2(0.5); - - float d = dot(dist,dist); - - ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0), 1.0); - - return ret; -} - +vec3 BRDFLambertian( vec3 reflect0, vec3 reflect90, vec3 c_diff, float specWeight, float vh ); +vec3 BRDFSpecularGGX( vec3 reflect0, vec3 reflect90, float alphaRoughness, float specWeight, float vh, float nl, float nv, float nh ); +void calcHalfVectors(vec3 lv, vec3 n, vec3 v, out vec3 h, out vec3 l, out float nh, out float nl, out float nv, out float vh, out float lightDist); +vec3 colorized_dot(float x); +bool clipProjectedLightVars(vec3 center, vec3 pos, out float dist, out float l_dist, out vec3 lv, out vec4 proj_tc ); +vec3 getLightIntensitySpot(vec3 lightColor, float lightRange, float lightDistance, vec3 v); +vec4 getNormalEnvIntensityFlags(vec2 screenpos, out vec3 n, out float envIntensity); +vec3 getProjectedLightAmbiance(float amb_da, float attenuation, float lit, float nl, float noise, vec2 projected_uv); +vec3 getProjectedLightDiffuseColor(float light_distance, vec2 projected_uv ); +vec3 getProjectedLightSpecularColor(vec3 pos, vec3 n); +vec2 getScreenXY(vec4 clip); +void initMaterial( vec3 diffuse, vec3 packedORM, out float alphaRough, out vec3 c_diff, out vec3 reflect0, out vec3 reflect90, out float specWeight ); +vec3 srgb_to_linear(vec3 cs); +vec4 texture2DLodSpecular(vec2 tc, float lod); vec4 getPosition(vec2 pos_screen); -void main() +void main() { - vec4 frag = vary_fragcoord; - frag.xyz /= frag.w; - frag.xyz = frag.xyz*0.5+0.5; - frag.xy *= screen_res; - - vec3 pos = getPosition(frag.xy).xyz; - vec3 lv = center.xyz-pos.xyz; - float dist = length(lv); - dist /= size; - if (dist > 1.0) +#if defined(LOCAL_LIGHT_KILL) + discard; +#else + vec3 final_color = vec3(0,0,0); + vec2 tc = getScreenXY(vary_fragcoord); + vec3 pos = getPosition(tc).xyz; + + vec3 lv; + vec4 proj_tc; + float dist, l_dist; + if (clipProjectedLightVars(center, pos, dist, l_dist, lv, proj_tc)) { discard; } - + float shadow = 1.0; if (proj_shadow_idx >= 0) { - vec4 shd = texture2DRect(lightMap, frag.xy); - shadow = (proj_shadow_idx == 0) ? shd.b : shd.a; + vec4 shd = texture2DRect(lightMap, tc); + shadow = (proj_shadow_idx==0)?shd.b:shd.a; shadow += shadow_fade; shadow = clamp(shadow, 0.0, 1.0); } - - vec3 norm = texture2DRect(normalMap, frag.xy).xyz; - - float envIntensity = norm.z; - norm = getNorm(frag.xy); - - norm = normalize(norm); - float l_dist = -dot(lv, proj_n); - - vec4 proj_tc = (proj_mat * vec4(pos.xyz, 1.0)); - if (proj_tc.z < 0.0) - { - discard; - } - - proj_tc.xyz /= proj_tc.w; - - float fa = (falloff*0.5)+1.0; - float dist_atten = min(1.0-(dist-1.0*(1.0-fa))/fa, 1.0); + float envIntensity; + vec3 n; + vec4 norm = getNormalEnvIntensityFlags(tc, n, envIntensity); + + float dist_atten = 1.0 - (dist + falloff)/(1.0 + falloff); dist_atten *= dist_atten; dist_atten *= 2.0; if (dist_atten <= 0.0) { discard; } - + lv = proj_origin-pos.xyz; - lv = normalize(lv); - float da = dot(norm, lv); + vec3 h, l, v = -normalize(pos); + float nh, nl, nv, vh, lightDist; + calcHalfVectors(lv, n, v, h, l, nh, nl, nv, vh, lightDist); - vec3 col = vec3(0,0,0); - - vec3 diff_tex = srgb_to_linear(texture2DRect(diffuseRect, frag.xy).rgb); - - vec4 spec = texture2DRect(specularRect, frag.xy); + vec3 diffuse = texture2DRect(diffuseRect, tc).rgb; + vec4 spec = texture2DRect(specularRect, tc); + vec3 dlit = vec3(0, 0, 0); + vec3 slit = vec3(0, 0, 0); - vec3 dlit = vec3(0, 0, 0); + vec3 amb_rgb = vec3(0); - float noise = texture2D(noiseMap, frag.xy/128.0).b; - if (proj_tc.z > 0.0 && - proj_tc.x < 1.0 && - proj_tc.y < 1.0 && - proj_tc.x > 0.0 && - proj_tc.y > 0.0) + if (GET_GBUFFER_FLAG(GBUFFER_FLAG_HAS_PBR)) { - float amb_da = proj_ambiance; - float lit = 0.0; + vec3 colorDiffuse = vec3(0); + vec3 colorSpec = vec3(0); + vec3 colorEmissive = spec.rgb; // PBR sRGB Emissive. See: pbropaqueF.glsl + vec3 packedORM = texture2DRect(emissiveRect, tc).rgb; // PBR linear packed Occlusion, Roughness, Metal. See: pbropaqueF.glsl + float metal = packedORM.b; - if (da > 0.0) + // We need this additional test inside a light's frustum since a spotlight's ambiance can be applied + if (proj_tc.x > 0.0 && proj_tc.x < 1.0 + && proj_tc.y > 0.0 && proj_tc.y < 1.0) { - lit = da * dist_atten * noise; + float lit = 0.0; + float amb_da = 0.0; - float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0); - float lod = diff * proj_lod; - - vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod); - - dlit = color.rgb * plcol.rgb * plcol.a; - - col = dlit*lit*diff_tex*shadow; - amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance; + if (nl > 0.0) + { + amb_da += (nl*0.5 + 0.5) * proj_ambiance; + lit = nl * dist_atten; + + vec3 c_diff, reflect0, reflect90; + float alphaRough, specWeight; + initMaterial( diffuse, packedORM, alphaRough, c_diff, reflect0, reflect90, specWeight ); + + dlit = getProjectedLightDiffuseColor( l_dist, proj_tc.xy ); + slit = getProjectedLightSpecularColor( pos, n ); + + colorDiffuse = shadow * lit * (dlit*0.5 + BRDFLambertian ( reflect0, reflect90, c_diff , specWeight, vh )); + colorSpec = shadow * lit * (slit + BRDFSpecularGGX( reflect0, reflect90, alphaRough, specWeight, vh, nl, nv, nh )); + + #if DEBUG_PBR_SPOT_DIFFUSE + colorDiffuse = dlit.rgb; colorSpec = vec3(0); + #endif + #if DEBUG_PBR_SPOT_SPECULAR + colorDiffuse = vec3(0); colorSpec = slit.rgb; + #endif + #if DEBUG_PBR_SPOT + colorDiffuse = dlit; colorSpec = vec3(0); + colorDiffuse *= nl; + colorDiffuse *= shadow; + #endif + } + + amb_rgb = getProjectedLightAmbiance( amb_da, dist_atten, lit, nl, 1.0, proj_tc.xy ); + colorDiffuse += diffuse.rgb * amb_rgb; + + #if DEBUG_AMBIANCE_FINAL + colorDiffuse = diffuse.rgb * amb_rgb; colorSpec = vec3(0); + #endif + #if DEBUG_LIGHT_FRUSTUM + colorDiffuse = vec3(0,1,0); colorSpec = vec3(0); + #endif + #if DEBUG_NOISE + float noise = texture2D(noiseMap, tc/128.0).b; + colorDiffuse = vec3(noise); colorSpec = vec3(0); + #endif } - - //float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0); - vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod); - - amb_da += (da*da*0.5+0.5)*(1.0-shadow)*proj_ambiance; - - amb_da *= dist_atten * noise; - - amb_da = min(amb_da, 1.0-lit); - - col += amb_da*color.rgb*diff_tex.rgb*amb_plcol.rgb*amb_plcol.a; - } - - if (spec.a > 0.0) + #if DEBUG_PBR_LIGHT_TYPE + colorDiffuse = vec3(0.5,0,0); colorSpec = vec3(0); + #endif + + #if DEBUG_PBR_LIGHT_H + colorDiffuse = h*0.5 + 0.5; colorSpec = vec3(0); + #endif + #if DEBUG_PBR_LIHGT_L + colorDiffuse = l*0.5 + 0.5; colorSpec = vec3(0); + #endif + #if DEBUG_PBR_LIGHT_NH + colorDiffuse = colorized_dot(nh); colorSpec = vec3(0); + #endif + #if DEBUG_PBR_LIGHT_NL + colorDiffuse = colorized_dot(nl); colorSpec = vec3(0); + #endif + #if DEBUG_PBR_LIGHT_NV + colorDiffuse = colorized_dot(nv); colorSpec = vec3(0); + #endif + #if DEBUG_PBR_LIGHT_VH + colorDiffuse = colorized_dot(vh); colorSpec = vec3(0); + #endif + #if DEBUG_PBR_LIGHT_DIFFUSE_COLOR + colorDiffuse = dlit; + #endif + #if DEBUG_PBR_LIGHT_SPECULAR_COLOR + colorDiffuse = slit; + #endif + #if DEBUG_PBR_LIGHT_INTENSITY + colorDiffuse = getLightIntensitySpot( color, size, lightDist, v ); colorSpec = vec3(0); +// colorDiffuse = nl * dist_atten; + #endif + #if DEBUG_PBR_LIGHT_INTENSITY_NL + colorDiffuse = getLightIntensitySpot( color, size, lightDist, v ) * nl; colorSpec = vec3(0); + #endif + #if DEBUG_PBR_LIGHT_BRDF_DIFFUSE + vec3 c_diff, reflect0, reflect90; + float alphaRough, specWeight; + initMaterial( diffuse, packedORM, alphaRough, c_diff, reflect0, reflect90, specWeight ); + + colorDiffuse = BRDFLambertian ( reflect0, reflect90, c_diff , specWeight, vh ); + colorSpec = vec3(0); + #endif + #if DEBUG_PBR_LIGHT_BRDF_SPECULAR + vec3 c_diff, reflect0, reflect90; + float alphaRough, specWeight; + initMaterial( diffuse, packedORM, alphaRough, c_diff, reflect0, reflect90, specWeight ); + + colorDiffuse = vec3(0); + colorSpec = BRDFSpecularGGX( reflect0, reflect90, alphaRough, specWeight, vh, nl, nv, nh ); + #endif + #if DEBUG_PBR_LIGHT_BRDF_FINAL + vec3 c_diff, reflect0, reflect90; + float alphaRough, specWeight; + initMaterial( diffuse, packedORM, alphaRough, c_diff, reflect0, reflect90, specWeight ); + colorDiffuse = nl * BRDFLambertian ( reflect0, reflect90, c_diff , specWeight, vh ); + colorSpec = nl * BRDFSpecularGGX( reflect0, reflect90, alphaRough, specWeight, vh, nl, nv, nh ); + #endif + + final_color = colorDiffuse + colorSpec; + } + else { - vec3 npos = -normalize(pos); - dlit *= min(da*6.0, 1.0) * dist_atten; - - //vec3 ref = dot(pos+lv, norm); - vec3 h = normalize(lv+npos); - float nh = dot(norm, h); - float nv = dot(norm, npos); - float vh = dot(npos, h); - float sa = nh; - float fres = pow(1 - dot(h, npos), 5)*0.4+0.5; - - float gtdenom = 2 * nh; - float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh)); - - if (nh > 0.0) + float noise = texture2D(noiseMap, tc/128.0).b; + if (proj_tc.z > 0.0 && + proj_tc.x < 1.0 && + proj_tc.y < 1.0 && + proj_tc.x > 0.0 && + proj_tc.y > 0.0) { - float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da); - col += dlit*scol*spec.rgb*shadow; - //col += spec.rgb; + float amb_da = 0; + float lit = 0.0; + + if (nl > 0.0) + { + lit = nl * dist_atten * noise; + + dlit = getProjectedLightDiffuseColor( l_dist, proj_tc.xy ); + + final_color = dlit*lit*diffuse*shadow; + + // unshadowed for consistency between forward and deferred? + amb_da += (nl*0.5+0.5) /* * (1.0-shadow) */ * proj_ambiance; + } + + amb_rgb = getProjectedLightAmbiance( amb_da, dist_atten, lit, nl, noise, proj_tc.xy ); + final_color += diffuse.rgb * amb_rgb; +#if DEBUG_LEG_LIGHT_TYPE + final_color = vec3(0,0,0.5); +#endif } - } + + if (spec.a > 0.0) + { + dlit *= min(nl*6.0, 1.0) * dist_atten; - if (envIntensity > 0.0) - { - vec3 ref = reflect(normalize(pos), norm); + float fres = pow(1 - vh, 5)*0.4+0.5; + + float gtdenom = 2 * nh; + float gt = max(0, min(gtdenom * nv / vh, gtdenom * nl / vh)); + + if (nh > 0.0) + { + float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*nl); + vec3 speccol = dlit*scol*spec.rgb*shadow; + speccol = clamp(speccol, vec3(0), vec3(1)); + final_color += speccol; + } + } + + if (envIntensity > 0.0) + { + vec3 ref = reflect(normalize(pos), n); - //project from point pos in direction ref to plane proj_p, proj_n - vec3 pdelta = proj_p-pos; - float ds = dot(ref, proj_n); + //project from point pos in direction ref to plane proj_p, proj_n + vec3 pdelta = proj_p-pos; + float ds = dot(ref, proj_n); - if (ds < 0.0) - { - vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; + if (ds < 0.0) + { + vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; - vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0)); + vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0)); - if (stc.z > 0.0) - { - stc /= stc.w; - - if (stc.x < 1.0 && - stc.y < 1.0 && - stc.x > 0.0 && - stc.y > 0.0) + if (stc.z > 0.0) { - col += color.rgb * texture2DLodSpecular(projectionMap, stc.xy, (1 - spec.a) * (proj_lod * 0.6)).rgb * shadow * envIntensity; + stc /= stc.w; + + if (stc.x < 1.0 && + stc.y < 1.0 && + stc.x > 0.0 && + stc.y > 0.0) + { + final_color += color.rgb * texture2DLodSpecular(stc.xy, (1 - spec.a) * (proj_lod * 0.6)).rgb * shadow * envIntensity; + } } } + #if DEBUG_SPOT_REFLECTION + final_color = ref; + #endif } + +#if DEBUG_LIGHT_FRUSTUM + if (proj_tc.x > 0.0 && proj_tc.x < 1.0 + && proj_tc.y > 0.0 && proj_tc.y < 1.0) + { + final_color = vec3(0,0,1); + } +#endif } - //not sure why, but this line prevents MATBUG-194 - col = max(col, vec3(0.0)); +#if DEBUG_AMBIANCE_AOE + if (proj_tc.x > 0.0 && proj_tc.x < 1.0 + && proj_tc.y > 0.0 && proj_tc.y < 1.0) + { + final_color = 1.0 - amb_rgb; + } +#endif +#if DEBUG_AMBIANCE_COLOR + if (proj_tc.x > 0.0 && proj_tc.x < 1.0 + && proj_tc.y > 0.0 && proj_tc.y < 1.0) + { + final_color = amb_rgb; + } +#endif +#if DEBUG_SHADOW + final_color = 1.0 - vec3(shadow); +#endif +#if DEBUG_SPOT_DIFFUSE + final_color = vec3(nl * dist_atten); +#endif +#if DEBUG_SPOT_NL + final_color =vec3(nl); +#endif +#if DEBUG_SPOT_SPEC_POS + vec3 ref = reflect(normalize(pos), n); + vec3 pdelta = proj_p-pos; + float ds = dot(ref, proj_n); + final_color = pos + ref * dot(pdelta, proj_n)/ds; +#endif +#if DEBUG_SPOT_REFLECTION + final_color = reflect(normalize(pos), n); +#endif +#if DEBUG_SPOT_ZERO + final_color = vec3(0,0,0); +#endif +#if DEBUG_ANY_LIGHT_TYPE + final_color = vec3(0,0,0.3333); +#endif - col = scaleDownLight(col); + //not sure why, but this line prevents MATBUG-194 + final_color = max(final_color, vec3(0.0)); - //output linear space color as gamma correction happens down stream - frag_color.rgb = col; + //output linear + frag_color.rgb = final_color; frag_color.a = 0.0; +#endif // LOCAL_LIGHT_KILL } diff --git a/indra/newview/app_settings/shaders/class3/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/pointLightF.glsl new file mode 100644 index 0000000000..6f39b0173b --- /dev/null +++ b/indra/newview/app_settings/shaders/class3/deferred/pointLightF.glsl @@ -0,0 +1,174 @@ +/** + * @file class3\deferred\pointLightF.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#extension GL_ARB_texture_rectangle : enable + +/*[EXTRA_CODE_HERE]*/ + +#define DEBUG_ANY_LIGHT_TYPE 0 // Output magenta light cone +#define DEBUG_LEG_LIGHT_TYPE 0 // Show Legacy objects in green +#define DEBUG_PBR_LIGHT_TYPE 0 // Show PBR objects in blue +#define DEBUG_POINT_ZERO 0 // Output zero for point light + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +uniform sampler2DRect diffuseRect; +uniform sampler2DRect specularRect; +uniform sampler2DRect normalMap; +uniform sampler2DRect emissiveRect; // PBR linear packed Occlusion, Roughness, Metal. See: pbropaqueF.glsl +uniform sampler2D noiseMap; +uniform sampler2D lightFunc; +uniform sampler2DRect depthMap; + +uniform vec3 env_mat[3]; +uniform float sun_wash; + +// light params +uniform vec3 color; +uniform float falloff; +uniform float size; + +VARYING vec4 vary_fragcoord; +VARYING vec3 trans_center; + +uniform vec2 screen_res; + +uniform mat4 inv_proj; +uniform vec4 viewport; + +vec3 BRDFLambertian( vec3 reflect0, vec3 reflect90, vec3 c_diff, float specWeight, float vh ); +vec3 BRDFSpecularGGX( vec3 reflect0, vec3 reflect90, float alphaRoughness, float specWeight, float vh, float nl, float nv, float nh ); +void calcHalfVectors(vec3 lv, vec3 n, vec3 v, out vec3 h, out vec3 l, out float nh, out float nl, out float nv, out float vh, out float lightDist); +float calcLegacyDistanceAttenuation(float distance, float falloff); +vec3 getLightIntensityPoint(vec3 lightColor, float lightRange, float lightDistance); +vec4 getNormalEnvIntensityFlags(vec2 screenpos, out vec3 n, out float envIntensity); +vec4 getPosition(vec2 pos_screen); +vec2 getScreenXY(vec4 clip); +void initMaterial( vec3 diffuse, vec3 packedORM, out float alphaRough, out vec3 c_diff, out vec3 reflect0, out vec3 reflect90, out float specWeight ); +vec3 srgb_to_linear(vec3 c); + +void main() +{ + vec3 final_color = vec3(0); + vec2 tc = getScreenXY(vary_fragcoord); + vec3 pos = getPosition(tc).xyz; + + float envIntensity; + vec3 n; + vec4 norm = getNormalEnvIntensityFlags(tc, n, envIntensity); // need `norm.w` for GET_GBUFFER_FLAG() + + vec3 diffuse = texture2DRect(diffuseRect, tc).rgb; + vec4 spec = texture2DRect(specularRect, tc); + + // Common half vectors calcs + vec3 lv = trans_center.xyz-pos; + vec3 h, l, v = -normalize(pos); + float nh, nl, nv, vh, lightDist; + calcHalfVectors(lv, n, v, h, l, nh, nl, nv, vh, lightDist); + + if (lightDist >= size) + { + discard; + } + float dist = lightDist / size; + float dist_atten = calcLegacyDistanceAttenuation(dist, falloff); + + if (GET_GBUFFER_FLAG(GBUFFER_FLAG_HAS_PBR)) + { + vec3 colorDiffuse = vec3(0); + vec3 colorSpec = vec3(0); + vec3 colorEmissive = spec.rgb; // PBR sRGB Emissive. See: pbropaqueF.glsl + vec3 packedORM = texture2DRect(emissiveRect, tc).rgb; // PBR linear packed Occlusion, Roughness, Metal. See: pbropaqueF.glsl + float lightSize = size; + vec3 lightColor = color; // Already in linear, see pipeline.cpp: volume->getLightLinearColor(); + + vec3 c_diff, reflect0, reflect90; + float alphaRough, specWeight; + initMaterial( diffuse, packedORM, alphaRough, c_diff, reflect0, reflect90, specWeight ); + + if (nl > 0.0) + { + vec3 intensity = dist_atten * nl * lightColor; // Legacy attenuation + colorDiffuse += intensity * BRDFLambertian (reflect0, reflect90, c_diff , specWeight, vh); + colorSpec += intensity * BRDFSpecularGGX(reflect0, reflect90, alphaRough, specWeight, vh, nl, nv, nh); + } + +#if DEBUG_PBR_LIGHT_TYPE + colorDiffuse = vec3(0,0,0.5); colorSpec = vec3(0); +#endif + final_color = colorDiffuse + colorSpec; + } + else + { + if (nl < 0.0) + { + discard; + } + + float noise = texture2D(noiseMap, tc/128.0).b; + float lit = nl * dist_atten * noise; + + final_color = color.rgb*lit*diffuse; + + if (spec.a > 0.0) + { + lit = min(nl*6.0, 1.0) * dist_atten; + + float sa = nh; + float fres = pow(1 - vh, 5) * 0.4+0.5; + float gtdenom = 2 * nh; + float gt = max(0,(min(gtdenom * nv / vh, gtdenom * nl / vh))); + + if (nh > 0.0) + { + float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*nl); + final_color += lit*scol*color.rgb*spec.rgb; + } + } + + if (dot(final_color, final_color) <= 0.0) + { + discard; + } + +#if DEBUG_LEG_LIGHT_TYPE + final_color.rgb = vec3(0,0.25,0); +#endif + } + +#if DEBUG_POINT_ZERO + final_color = vec3(0); +#endif +#if DEBUG_ANY_LIGHT_TYPE + final_color = vec3(0.25,0,0.25); +#endif + + frag_color.rgb = final_color; + frag_color.a = 0.0; +} diff --git a/indra/newview/app_settings/shaders/class3/deferred/shadowCubeV.glsl b/indra/newview/app_settings/shaders/class3/deferred/pointLightV.glsl index db8c75fb8a..d42c8f6cf6 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/shadowCubeV.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/pointLightV.glsl @@ -1,9 +1,9 @@ /** - * @file class3/deferred/shadowCubeV.glsl + * @file class3\deferred\pointLightV.glsl * - * $LicenseInfo:firstyear=2011&license=viewerlgpl$ + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. + * Copyright (C) 2022, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -24,27 +24,22 @@ */ uniform mat4 modelview_projection_matrix; +uniform mat4 modelview_matrix; ATTRIBUTE vec3 position; -#if !defined(DEPTH_CLAMP) -VARYING vec4 post_pos; -#endif +uniform vec3 center; +uniform float size; -uniform vec3 box_center; -uniform vec3 box_size; +VARYING vec4 vary_fragcoord; +VARYING vec3 trans_center; void main() { //transform vertex - vec3 p = position*box_size+box_center; - vec4 pos = modelview_projection_matrix*vec4(p.xyz, 1.0); - -#if !defined(DEPTH_CLAMP) - post_pos = pos; - - gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w); -#else + vec3 p = position*size+center; + vec4 pos = modelview_projection_matrix * vec4(p.xyz, 1.0); + vary_fragcoord = pos; + trans_center = (modelview_matrix*vec4(center.xyz, 1.0)).xyz; gl_Position = pos; -#endif } diff --git a/indra/newview/app_settings/shaders/class3/deferred/pointShadowBlurF.glsl b/indra/newview/app_settings/shaders/class3/deferred/pointShadowBlurF.glsl deleted file mode 100644 index ca9ce3a2e1..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/pointShadowBlurF.glsl +++ /dev/null @@ -1,37 +0,0 @@ -/** - * @file pointShadowBlur.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform samplerCube cube_map; - -in vec3 to_vec; - -out vec4 fragColor; - -void main() -{ - vec4 vcol = texture(cube_map, to_vec); - fragColor = vec4(vcol.rgb, 1.0); -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl b/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl new file mode 100644 index 0000000000..1f5fdde9ca --- /dev/null +++ b/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl @@ -0,0 +1,566 @@ +/** + * @file class3/deferred/reflectionProbeF.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#extension GL_ARB_shader_texture_lod : enable + +#define FLT_MAX 3.402823466e+38 + +#define REFMAP_COUNT 256 +#define REF_SAMPLE_COUNT 64 //maximum number of samples to consider + +uniform samplerCubeArray reflectionProbes; +uniform samplerCubeArray irradianceProbes; + +layout (std140, binding = 1) uniform ReflectionProbes +{ + // list of OBBs for user override probes + // box is a set of 3 planes outward facing planes and the depth of the box along that plane + // for each box refBox[i]... + /// box[0..2] - plane 0 .. 2 in [A,B,C,D] notation + // box[3][0..2] - plane thickness + mat4 refBox[REFMAP_COUNT]; + // list of bounding spheres for reflection probes sorted by distance to camera (closest first) + vec4 refSphere[REFMAP_COUNT]; + // extra parameters (currently only .x used for probe ambiance) + vec4 refParams[REFMAP_COUNT]; + // index of cube map in reflectionProbes for a corresponding reflection probe + // e.g. cube map channel of refSphere[2] is stored in refIndex[2] + // refIndex.x - cubemap channel in reflectionProbes + // refIndex.y - index in refNeighbor of neighbor list (index is ivec4 index, not int index) + // refIndex.z - number of neighbors + // refIndex.w - priority, if negative, this probe has a box influence + ivec4 refIndex[REFMAP_COUNT]; + + // neighbor list data (refSphere indices, not cubemap array layer) + ivec4 refNeighbor[1024]; + + // number of reflection probes present in refSphere + int refmapCount; +}; + +// Inputs +uniform mat3 env_mat; + +// list of probeIndexes shader will actually use after "getRefIndex" is called +// (stores refIndex/refSphere indices, NOT rerflectionProbes layer) +int probeIndex[REF_SAMPLE_COUNT]; + +// number of probes stored in probeIndex +int probeInfluences = 0; + +bool isAbove(vec3 pos, vec4 plane) +{ + return (dot(plane.xyz, pos) + plane.w) > 0; +} + +int max_priority = 0; + +// return true if probe at index i influences position pos +bool shouldSampleProbe(int i, vec3 pos) +{ + if (refIndex[i].w < 0) + { + vec4 v = refBox[i] * vec4(pos, 1.0); + if (abs(v.x) > 1 || + abs(v.y) > 1 || + abs(v.z) > 1) + { + return false; + } + + max_priority = max(max_priority, -refIndex[i].w); + } + else + { + vec3 delta = pos.xyz - refSphere[i].xyz; + float d = dot(delta, delta); + float r2 = refSphere[i].w; + r2 *= r2; + + if (d > r2) + { //outside bounding sphere + return false; + } + + max_priority = max(max_priority, refIndex[i].w); + } + + return true; +} + +// call before sampleRef +// populate "probeIndex" with N probe indices that influence pos where N is REF_SAMPLE_COUNT +// overall algorithm -- +void preProbeSample(vec3 pos) +{ + // TODO: make some sort of structure that reduces the number of distance checks + + for (int i = 0; i < refmapCount; ++i) + { + // found an influencing probe + if (shouldSampleProbe(i, pos)) + { + probeIndex[probeInfluences] = i; + ++probeInfluences; + + int neighborIdx = refIndex[i].y; + if (neighborIdx != -1) + { + int neighborCount = min(refIndex[i].z, REF_SAMPLE_COUNT-1); + + int count = 0; + while (count < neighborCount) + { + // check up to REF_SAMPLE_COUNT-1 neighbors (neighborIdx is ivec4 index) + + int idx = refNeighbor[neighborIdx].x; + if (shouldSampleProbe(idx, pos)) + { + probeIndex[probeInfluences++] = idx; + if (probeInfluences == REF_SAMPLE_COUNT) + { + return; + } + } + count++; + if (count == neighborCount) + { + return; + } + + idx = refNeighbor[neighborIdx].y; + if (shouldSampleProbe(idx, pos)) + { + probeIndex[probeInfluences++] = idx; + if (probeInfluences == REF_SAMPLE_COUNT) + { + return; + } + } + count++; + if (count == neighborCount) + { + return; + } + + idx = refNeighbor[neighborIdx].z; + if (shouldSampleProbe(idx, pos)) + { + probeIndex[probeInfluences++] = idx; + if (probeInfluences == REF_SAMPLE_COUNT) + { + return; + } + } + count++; + if (count == neighborCount) + { + return; + } + + idx = refNeighbor[neighborIdx].w; + if (shouldSampleProbe(idx, pos)) + { + probeIndex[probeInfluences++] = idx; + if (probeInfluences == REF_SAMPLE_COUNT) + { + return; + } + } + count++; + if (count == neighborCount) + { + return; + } + + ++neighborIdx; + } + + return; + } + } + } +} + +// from https://www.scratchapixel.com/lessons/3d-basic-rendering/minimal-ray-tracer-rendering-simple-shapes/ray-sphere-intersection + +// original reference implementation: +/* +bool intersect(const Ray &ray) const +{ + float t0, t1; // solutions for t if the ray intersects +#if 0 + // geometric solution + Vec3f L = center - orig; + float tca = L.dotProduct(dir); + // if (tca < 0) return false; + float d2 = L.dotProduct(L) - tca * tca; + if (d2 > radius2) return false; + float thc = sqrt(radius2 - d2); + t0 = tca - thc; + t1 = tca + thc; +#else + // analytic solution + Vec3f L = orig - center; + float a = dir.dotProduct(dir); + float b = 2 * dir.dotProduct(L); + float c = L.dotProduct(L) - radius2; + if (!solveQuadratic(a, b, c, t0, t1)) return false; +#endif + if (t0 > t1) std::swap(t0, t1); + + if (t0 < 0) { + t0 = t1; // if t0 is negative, let's use t1 instead + if (t0 < 0) return false; // both t0 and t1 are negative + } + + t = t0; + + return true; +} */ + +// adapted -- assume that origin is inside sphere, return distance from origin to edge of sphere +vec3 sphereIntersect(vec3 origin, vec3 dir, vec3 center, float radius2) +{ + float t0, t1; // solutions for t if the ray intersects + + vec3 L = center - origin; + float tca = dot(L,dir); + + float d2 = dot(L,L) - tca * tca; + + float thc = sqrt(radius2 - d2); + t0 = tca - thc; + t1 = tca + thc; + + vec3 v = origin + dir * t1; + return v; +} + +// from https://seblagarde.wordpress.com/2012/09/29/image-based-lighting-approaches-and-parallax-corrected-cubemap/ +/* +vec3 DirectionWS = normalize(PositionWS - CameraWS); +vec3 ReflDirectionWS = reflect(DirectionWS, NormalWS); + +// Intersection with OBB convertto unit box space +// Transform in local unit parallax cube space (scaled and rotated) +vec3 RayLS = MulMatrix( float(3x3)WorldToLocal, ReflDirectionWS); +vec3 PositionLS = MulMatrix( WorldToLocal, PositionWS); + +vec3 Unitary = vec3(1.0f, 1.0f, 1.0f); +vec3 FirstPlaneIntersect = (Unitary - PositionLS) / RayLS; +vec3 SecondPlaneIntersect = (-Unitary - PositionLS) / RayLS; +vec3 FurthestPlane = max(FirstPlaneIntersect, SecondPlaneIntersect); +float Distance = min(FurthestPlane.x, min(FurthestPlane.y, FurthestPlane.z)); + +// Use Distance in WS directly to recover intersection +vec3 IntersectPositionWS = PositionWS + ReflDirectionWS * Distance; +vec3 ReflDirectionWS = IntersectPositionWS - CubemapPositionWS; + +return texCUBE(envMap, ReflDirectionWS); +*/ + +// get point of intersection with given probe's box influence volume +// origin - ray origin in clip space +// dir - ray direction in clip space +// i - probe index in refBox/refSphere +vec3 boxIntersect(vec3 origin, vec3 dir, int i) +{ + // Intersection with OBB convertto unit box space + // Transform in local unit parallax cube space (scaled and rotated) + mat4 clipToLocal = refBox[i]; + + vec3 RayLS = mat3(clipToLocal) * dir; + vec3 PositionLS = (clipToLocal * vec4(origin, 1.0)).xyz; + + vec3 Unitary = vec3(1.0f, 1.0f, 1.0f); + vec3 FirstPlaneIntersect = (Unitary - PositionLS) / RayLS; + vec3 SecondPlaneIntersect = (-Unitary - PositionLS) / RayLS; + vec3 FurthestPlane = max(FirstPlaneIntersect, SecondPlaneIntersect); + float Distance = min(FurthestPlane.x, min(FurthestPlane.y, FurthestPlane.z)); + + // Use Distance in CS directly to recover intersection + vec3 IntersectPositionCS = origin + dir * Distance; + + return IntersectPositionCS; +} + + + +// Tap a reflection probe +// pos - position of pixel +// dir - pixel normal +// lod - which mip to bias towards (lower is higher res, sharper reflections) +// c - center of probe +// r2 - radius of probe squared +// i - index of probe +// vi - point at which reflection vector struck the influence volume, in clip space +vec3 tapRefMap(vec3 pos, vec3 dir, float lod, vec3 c, float r2, int i) +{ + //lod = max(lod, 1); + // parallax adjustment + + vec3 v; + if (refIndex[i].w < 0) + { + v = boxIntersect(pos, dir, i); + } + else + { + v = sphereIntersect(pos, dir, c, r2); + } + + v -= c; + v = env_mat * v; + { + return textureLod(reflectionProbes, vec4(v.xyz, refIndex[i].x), lod).rgb; + } +} + +// Tap an irradiance map +// pos - position of pixel +// dir - pixel normal +// c - center of probe +// r2 - radius of probe squared +// i - index of probe +// vi - point at which reflection vector struck the influence volume, in clip space +vec3 tapIrradianceMap(vec3 pos, vec3 dir, vec3 c, float r2, int i) +{ + //lod = max(lod, 1); + // parallax adjustment + + vec3 v; + if (refIndex[i].w < 0) + { + v = boxIntersect(pos, dir, i); + } + else + { + v = sphereIntersect(pos, dir, c, r2); + } + + v -= c; + v = env_mat * v; + { + return textureLod(irradianceProbes, vec4(v.xyz, refIndex[i].x), 0).rgb * refParams[i].x; + } +} + +vec3 sampleProbes(vec3 pos, vec3 dir, float lod, float minweight) +{ + float wsum = 0.0; + vec3 col = vec3(0,0,0); + float vd2 = dot(pos,pos); // view distance squared + + for (int idx = 0; idx < probeInfluences; ++idx) + { + int i = probeIndex[idx]; + if (abs(refIndex[i].w) < max_priority) + { + continue; + } + float r = refSphere[i].w; // radius of sphere volume + float p = float(abs(refIndex[i].w)); // priority + + float rr = r*r; // radius squred + float r1 = r * 0.1; // 75% of radius (outer sphere to start interpolating down) + vec3 delta = pos.xyz-refSphere[i].xyz; + float d2 = dot(delta,delta); + float r2 = r1*r1; + + { + vec3 refcol = tapRefMap(pos, dir, lod, refSphere[i].xyz, rr, i); + + float w = 1.0/d2; + + float atten = 1.0-max(d2-r2, 0.0)/(rr-r2); + w *= atten; + //w *= p; // boost weight based on priority + col += refcol*w; + + wsum += w; + } + } + + if (probeInfluences <= 1) + { //edge-of-scene probe or no probe influence, mix in with embiggened version of probes closest to camera + for (int idx = 0; idx < 8; ++idx) + { + if (refIndex[idx].w < 0) + { // don't fallback to box probes, they are *very* specific + continue; + } + int i = idx; + vec3 delta = pos.xyz-refSphere[i].xyz; + float d2 = dot(delta,delta); + + { + vec3 refcol = tapRefMap(pos, dir, lod, refSphere[i].xyz, d2, i); + + float w = 1.0/d2; + w *= w; + col += refcol*w; + wsum += w; + } + } + } + + if (wsum > 0.0) + { + col *= 1.0/wsum; + } + + return col; +} + +vec3 sampleProbeAmbient(vec3 pos, vec3 dir) +{ + // modified copy/paste of sampleProbes follows, will likely diverge from sampleProbes further + // as irradiance map mixing is tuned independently of radiance map mixing + float wsum = 0.0; + vec3 col = vec3(0,0,0); + float vd2 = dot(pos,pos); // view distance squared + + float minweight = 1.0; + + for (int idx = 0; idx < probeInfluences; ++idx) + { + int i = probeIndex[idx]; + if (abs(refIndex[i].w) < max_priority) + { + continue; + } + float r = refSphere[i].w; // radius of sphere volume + float p = float(abs(refIndex[i].w)); // priority + + float rr = r*r; // radius squred + float r1 = r * 0.1; // 75% of radius (outer sphere to start interpolating down) + vec3 delta = pos.xyz-refSphere[i].xyz; + float d2 = dot(delta,delta); + float r2 = r1*r1; + + { + vec3 refcol = tapIrradianceMap(pos, dir, refSphere[i].xyz, rr, i); + + float w = 1.0/d2; + + float atten = 1.0-max(d2-r2, 0.0)/(rr-r2); + w *= atten; + //w *= p; // boost weight based on priority + col += refcol*w; + + wsum += w; + } + } + + if (probeInfluences <= 1) + { //edge-of-scene probe or no probe influence, mix in with embiggened version of probes closest to camera + for (int idx = 0; idx < 8; ++idx) + { + if (refIndex[idx].w < 0) + { // don't fallback to box probes, they are *very* specific + continue; + } + int i = idx; + vec3 delta = pos.xyz-refSphere[i].xyz; + float d2 = dot(delta,delta); + + { + vec3 refcol = tapIrradianceMap(pos, dir, refSphere[i].xyz, d2, i); + + float w = 1.0/d2; + w *= w; + col += refcol*w; + wsum += w; + } + } + } + + if (wsum > 0.0) + { + col *= 1.0/wsum; + } + + return col; +} + +// brighten a color so that at least one component is 1 +vec3 brighten(vec3 c) +{ + float m = max(max(c.r, c.g), c.b); + + if (m == 0) + { + return vec3(1,1,1); + } + + return c * 1.0/m; +} + + +void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv, + vec3 pos, vec3 norm, float glossiness, float envIntensity) +{ + // TODO - don't hard code lods + float reflection_lods = 8; + preProbeSample(pos); + + vec3 refnormpersp = reflect(pos.xyz, norm.xyz); + + ambenv = sampleProbeAmbient(pos, norm); + + if (glossiness > 0.0) + { + float lod = (1.0-glossiness)*reflection_lods; + glossenv = sampleProbes(pos, normalize(refnormpersp), lod, 1.f); + } + + if (envIntensity > 0.0) + { + legacyenv = sampleProbes(pos, normalize(refnormpersp), 0.0, 1.f); + } +} + +void applyGlossEnv(inout vec3 color, vec3 glossenv, vec4 spec, vec3 pos, vec3 norm) +{ + glossenv *= 0.35; // fudge darker + float fresnel = 1.0+dot(normalize(pos.xyz), norm.xyz); + float minf = spec.a * 0.1; + fresnel = fresnel * (1.0-minf) + minf; + glossenv *= spec.rgb*min(fresnel, 1.0); + color.rgb += glossenv; +} + + void applyLegacyEnv(inout vec3 color, vec3 legacyenv, vec4 spec, vec3 pos, vec3 norm, float envIntensity) + { + vec3 reflected_color = legacyenv; //*0.5; //fudge darker + vec3 lookAt = normalize(pos); + float fresnel = 1.0+dot(lookAt, norm.xyz); + fresnel *= fresnel; + fresnel = min(fresnel+envIntensity, 1.0); + reflected_color *= (envIntensity*fresnel)*brighten(spec.rgb); + color = mix(color.rgb, reflected_color, envIntensity); + } + diff --git a/indra/newview/app_settings/shaders/class3/deferred/shVisF.glsl b/indra/newview/app_settings/shaders/class3/deferred/shVisF.glsl deleted file mode 100644 index c8991f7a18..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/shVisF.glsl +++ /dev/null @@ -1,73 +0,0 @@ -/** - * @file class3/deferred/shVisF.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#ifdef DEFINE_GL_FRAGCOLOR - out vec4 frag_color; -#else - #define frag_color gl_FragColor -#endif - -///////////////////////////////////////////////////////////////////////// -// Fragment shader for L1 SH debug rendering -///////////////////////////////////////////////////////////////////////// - -uniform sampler2D sh_input_r; -uniform sampler2D sh_input_g; -uniform sampler2D sh_input_b; - -uniform mat3 inv_modelviewprojection; - -VARYING vec4 vary_pos; - -void main(void) -{ - vec2 coord = vary_pos.xy + vec2(0.5,0.5); - - coord.x *= (1.6/0.9); - - if (dot(coord, coord) > 0.25) - { - discard; - } - - vec4 n = vec4(coord*2.0, 0.0, 1); - //n.y = -n.y; - n.z = sqrt(max(1.0-n.x*n.x-n.y*n.y, 0.0)); - //n.xyz = inv_modelviewprojection * n.xyz; - - vec4 l1tap = vec4(1.0/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265)); - vec4 l1r = texture2D(sh_input_r, vec2(0,0)); - vec4 l1g = texture2D(sh_input_g, vec2(0,0)); - vec4 l1b = texture2D(sh_input_b, vec2(0,0)); - vec3 indirect = vec3( - dot(l1r, l1tap * n), - dot(l1g, l1tap * n), - dot(l1b, l1tap * n)); - - //indirect = pow(indirect, vec3(0.45)); - indirect *= 3.0; - - frag_color = vec4(indirect, 1.0); -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/shadowAlphaBlendV.glsl b/indra/newview/app_settings/shaders/class3/deferred/shadowAlphaBlendV.glsl deleted file mode 100644 index af1461c297..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/shadowAlphaBlendV.glsl +++ /dev/null @@ -1,66 +0,0 @@ -/** - * @file shadowAlphaMaskV.glsl - * - * $LicenseInfo:firstyear=2011&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2011, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform mat4 texture_matrix0; -uniform mat4 modelview_projection_matrix; -uniform float shadow_target_width; - -ATTRIBUTE vec3 position; -ATTRIBUTE vec4 diffuse_color; -ATTRIBUTE vec2 texcoord0; - -#if !defined(DEPTH_CLAMP) -VARYING float pos_zd2; -#endif - -VARYING float target_pos_x; -VARYING vec4 pos; -VARYING vec4 vertex_color; -VARYING vec2 vary_texcoord0; - -void passTextureIndex(); - -void main() -{ - //transform vertex - vec4 pre_pos = vec4(position.xyz, 1.0); - vec4 pos = modelview_projection_matrix * pre_pos; - target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x; - - pos_w = pos.w; - -#if !defined(DEPTH_CLAMP) - pos_zd2 = pos.z * 0.5; - - gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w); -#else - gl_Position = pos; -#endif - - passTextureIndex(); - - vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy; - vertex_color = diffuse_color; -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/shadowAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class3/deferred/shadowAlphaMaskF.glsl deleted file mode 100644 index 50f1ffd626..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/shadowAlphaMaskF.glsl +++ /dev/null @@ -1,74 +0,0 @@ -/** - * @file class3/deferred/shadowAlphaMaskF.glsl - * - * $LicenseInfo:firstyear=2011&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2011, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -/*[EXTRA_CODE_HERE]*/ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif - -uniform sampler2D diffuseMap; - -#if !defined(DEPTH_CLAMP) -VARYING float pos_zd2; -#endif - -VARYING float pos_w; - -VARYING float target_pos_x; -VARYING vec4 vertex_color; -VARYING vec2 vary_texcoord0; - -vec4 getPosition(vec2 screen_coord); -vec4 computeMoments(float depth, float a); - -void main() -{ - vec4 pos = getPosition(vary_texcoord0.xy); - - float alpha = diffuseLookup(vary_texcoord0.xy).a * vertex_color.a; - - if (alpha < 0.05) // treat as totally transparent - { - discard; - } - - if (alpha < 0.88) // treat as semi-transparent - { - if (fract(0.5*floor(target_pos_x / pos_w )) < 0.25) - { - discard; - } - } - - frag_color = computeMoments(length(pos.xyz), alpha); - -#if !defined(DEPTH_CLAMP) - gl_FragDepth = max(pos_zd2/pos_w+0.5, 0.0); -#endif - -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/shadowAlphaMaskV.glsl b/indra/newview/app_settings/shaders/class3/deferred/shadowAlphaMaskV.glsl deleted file mode 100644 index 6a646f5e9e..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/shadowAlphaMaskV.glsl +++ /dev/null @@ -1,67 +0,0 @@ -/** - * @file class3/deferred/shadowAlphaMaskV.glsl - * - * $LicenseInfo:firstyear=2011&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2011, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform mat4 texture_matrix0; -uniform mat4 modelview_projection_matrix; -uniform float shadow_target_width; - -ATTRIBUTE vec3 position; -ATTRIBUTE vec4 diffuse_color; -ATTRIBUTE vec2 texcoord0; - -#if !defined(DEPTH_CLAMP) -VARYING float pos_zd2; -#endif - -VARYING vec4 pos; -VARYING float target_pos_x; -VARYING vec4 vertex_color; -VARYING vec2 vary_texcoord0; - -void passTextureIndex(); - -void main() -{ - //transform vertex - vec4 pre_pos = vec4(position.xyz, 1.0); - - pos = modelview_projection_matrix * pre_pos; - - target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x; - -#if !defined(DEPTH_CLAMP) - pos_zd2 = pos.z * 0.5; - - gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w); -#else - gl_Position = pos; -#endif - - passTextureIndex(); - - vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy; - - vertex_color = diffuse_color; -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/shadowF.glsl b/indra/newview/app_settings/shaders/class3/deferred/shadowF.glsl deleted file mode 100644 index 3350267130..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/shadowF.glsl +++ /dev/null @@ -1,49 +0,0 @@ -/** - * @file class3/deferred/shadowF.glsl - * - * $LicenseInfo:firstyear=2011&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2011, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -/*[EXTRA_CODE_HERE]*/ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif - -uniform sampler2D diffuseMap; - -#if !defined(DEPTH_CLAMP) -VARYING float pos_zd2; -#endif - -VARYING vec4 pos; -VARYING float target_pos_x; - -vec4 computeMoments(float depth, float a); - -void main() -{ - frag_color = computeMoments(length(pos), 1.0); -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/shadowUtil.glsl b/indra/newview/app_settings/shaders/class3/deferred/shadowUtil.glsl deleted file mode 100644 index 2f69a353e8..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/shadowUtil.glsl +++ /dev/null @@ -1,157 +0,0 @@ -/** - * @file class3/deferred/shadowUtil.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform sampler2D shadowMap0; -uniform sampler2D shadowMap1; -uniform sampler2D shadowMap2; -uniform sampler2D shadowMap3; -uniform sampler2D shadowMap4; -uniform sampler2D shadowMap5; - -uniform vec3 sun_dir; -uniform vec3 moon_dir; -uniform vec2 shadow_res; -uniform vec2 proj_shadow_res; -uniform mat4 shadow_matrix[6]; -uniform vec4 shadow_clip; -uniform float shadow_bias; - -uniform float spot_shadow_bias; -uniform float spot_shadow_offset; - -float getDepth(vec2 screenpos); -vec3 getNorm(vec2 screenpos); -vec4 getPosition(vec2 pos_screen); - -float ReduceLightBleeding(float p_max, float Amount) -{ - return smoothstep(Amount, 1, p_max); -} - -float ChebyshevUpperBound(vec2 m, float t, float min_v, float Amount) -{ - float p = (t <= m.x) ? 1.0 : 0.0; - - float v = m.y - (m.x*m.x); - v = max(v, min_v); - - float d = t - m.x; - - float p_max = v / (v + d*d); - - p_max = ReduceLightBleeding(p_max, Amount); - - return max(p, p_max); -} - -vec4 computeMoments(float depth, float a) -{ - float m1 = depth; - float dx = dFdx(depth); - float dy = dFdy(depth); - float m2 = m1*m1 + 0.25 * a * (dx*dx + dy*dy); - return vec4(m1, m2, a, max(dx, dy)); -} - -float vsmDirectionalSample(vec4 stc, float depth, sampler2D shadowMap, mat4 shadowMatrix) -{ - vec4 lpos = shadowMatrix * stc; - vec4 moments = texture2D(shadowMap, lpos.xy); - return ChebyshevUpperBound(moments.rg, depth - shadow_bias * 256.0f, 0.125, 0.9); -} - -float vsmSpotSample(vec4 stc, float depth, sampler2D shadowMap, mat4 shadowMatrix) -{ - vec4 lpos = shadowMatrix * stc; - vec4 moments = texture2D(shadowMap, lpos.xy); - lpos.xyz /= lpos.w; - lpos.xy *= 0.5; - lpos.xy += 0.5; - return ChebyshevUpperBound(moments.rg, depth - spot_shadow_bias * 16.0f, 0.125, 0.9); -} - -#if VSM_POINT_SHADOWS -float vsmPointSample(float lightDistance, vec3 lightDirection, samplerCube shadow_cube_map) -{ - vec4 moments = textureCube(shadow_cube_map, light_direction); - return ChebyshevUpperBound(moments.rg, light_distance, 0.01, 0.25); -} -#endif - -float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen) -{ - if (pos.z < -shadow_clip.w) - { - discard; - } - - float depth = getDepth(pos_screen); - - vec4 spos = vec4(pos,1.0); - vec4 near_split = shadow_clip*-0.75; - vec4 far_split = shadow_clip*-1.25; - - float shadow = 0.0f; - float weight = 1.0; - - if (spos.z < near_split.z) - { - shadow += vsmDirectionalSample(spos, depth, shadowMap3, shadow_matrix[3]); - weight += 1.0f; - } - if (spos.z < near_split.y) - { - shadow += vsmDirectionalSample(spos, depth, shadowMap2, shadow_matrix[2]); - weight += 1.0f; - } - if (spos.z < near_split.x) - { - shadow += vsmDirectionalSample(spos, depth, shadowMap1, shadow_matrix[1]); - weight += 1.0f; - } - if (spos.z > far_split.x) - { - shadow += vsmDirectionalSample(spos, depth, shadowMap0, shadow_matrix[0]); - weight += 1.0f; - } - - shadow /= weight; - - return shadow; -} - -float sampleSpotShadow(vec3 pos, vec3 norm, int index, vec2 pos_screen) -{ - if (pos.z < -shadow_clip.w) - { - discard; - } - - float depth = getDepth(pos_screen); - - pos += norm * spot_shadow_offset; - return vsmSpotSample(vec4(pos, 1.0), depth, (index == 0) ? shadowMap4 : shadowMap5, shadow_matrix[4 + index]); -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/shadowV.glsl b/indra/newview/app_settings/shaders/class3/deferred/shadowV.glsl deleted file mode 100644 index 6577fe0ecf..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/shadowV.glsl +++ /dev/null @@ -1,62 +0,0 @@ -/** - * @file class3/deferred/shadowV.glsl - * - * $LicenseInfo:firstyear=2011&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2011, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform mat4 modelview_projection_matrix; -uniform float shadow_target_width; -uniform mat4 texture_matrix0; - -ATTRIBUTE vec3 position; -ATTRIBUTE vec2 texcoord0; - -#if !defined(DEPTH_CLAMP) -VARYING float pos_zd2; -#endif - -VARYING vec4 pos; -VARYING float target_pos_x; -VARYING vec4 vertex_color; -VARYING vec2 vary_texcoord0; - -void passTextureIndex(); - -void main() -{ - //transform vertex - vec4 pre_pos = vec4(position.xyz, 1.0); - - pos = modelview_projection_matrix * pre_pos; - - target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x; - -#if !defined(DEPTH_CLAMP) - pos_zd2 = pos.z * 0.5; - - gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w); -#else - gl_Position = pos; -#endif - - vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy; -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class3/deferred/skyF.glsl deleted file mode 100644 index a0b082ed7c..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/skyF.glsl +++ /dev/null @@ -1,126 +0,0 @@ -/** - * @file class3/deferred/skyF.glsl - * - * $LicenseInfo:firstyear=2005&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2005, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_data[3]; -#else -#define frag_data gl_FragData -#endif - -VARYING vec2 vary_frag; - -uniform vec3 camPosLocal; -uniform vec3 sun_dir; -uniform float sun_size; -uniform float far_z; -uniform mat4 inv_proj; -uniform mat4 inv_modelview; - -uniform sampler2D transmittance_texture; -uniform sampler3D scattering_texture; -uniform sampler3D single_mie_scattering_texture; -uniform sampler2D irradiance_texture; -uniform sampler2D rainbow_map; -uniform sampler2D halo_map; - -uniform float moisture_level; -uniform float droplet_radius; -uniform float ice_level; - -vec3 GetSolarLuminance(); -vec3 GetSkyLuminance(vec3 camPos, vec3 view_dir, float shadow_length, vec3 dir, out vec3 transmittance); -vec3 GetSkyLuminanceToPoint(vec3 camPos, vec3 pos, float shadow_length, vec3 dir, out vec3 transmittance); - -vec3 ColorFromRadiance(vec3 radiance); -vec3 rainbow(float d) -{ - // d is the dot product of view and sun directions, so ranging -1.0..1.0 - // 'interesting' values of d are the range -0.75..-0.825, when view is nearly opposite of sun vec - // Rainbox texture mode is GL_REPEAT, so tc of -.75 is equiv to 0.25, -0.825 equiv to 0.175. - - // SL-13629 Rainbow texture has colors within the correct .175...250 range, but order is inverted. - // Rather than replace the texture, we mirror and translate the y tc to keep the colors within the - // interesting range, but in reversed order: i.e. d = (1 - d) - 1.575 - d = clamp(-0.575 - d, 0.0, 1.0); - - // With the colors in the lower 1/4 of the texture, inverting the coords leaves most of it inaccessible. - // So, we can stretch the texcoord above the colors (ie > 0.25) to fill the entire remaining coordinate - // space. This improves gradation, reduces banding within the rainbow interior. (1-0.25) / (0.425/0.25) = 4.2857 - float interior_coord = max(0.0, d - 0.25) * 4.2857; - d = clamp(d, 0.0, 0.25) + interior_coord; - - float rad = (droplet_radius - 5.0f) / 1024.0f; - return pow(texture2D(rainbow_map, vec2(rad, d)).rgb, vec3(1.8)) * moisture_level; -} - -vec3 halo22(float d) -{ - float v = sqrt(max(0, 1 - (d*d))); - return texture2D(halo_map, vec2(0, v)).rgb * ice_level; -} - -void main() -{ - vec3 pos = vec3((vary_frag * 2.0) - vec2(1.0, 1.0f), 1.0); - vec4 view_pos = (inv_proj * vec4(pos, 1.0f)); - - view_pos /= view_pos.w; - - vec3 view_ray = (inv_modelview * vec4(view_pos.xyz, 0.0f)).xyz + camPosLocal; - - vec3 view_direction = normalize(view_ray); - vec3 sun_direction = normalize(sun_dir); - vec3 earth_center = vec3(0, 0, -6360.0f); - vec3 camPos = (camPosLocal / 1000.0f) - earth_center; - - vec3 transmittance; - vec3 radiance_sun = GetSkyLuminance(camPos, view_direction, 0.0f, sun_direction, transmittance); - vec3 solar_luminance = GetSolarLuminance(); - - // If the view ray intersects the Sun, add the Sun radiance. - float s = dot(view_direction, sun_direction); - - // cheesy solar disc... - if (s >= (sun_size * 0.999)) - { - radiance_sun += pow(smoothstep(0.0, 1.3, (s - (sun_size * 0.9))), 2.0) * solar_luminance * transmittance; - } - s = smoothstep(0.9, 1.0, s) * 16.0f; - - vec3 color = ColorFromRadiance(radiance_sun); - - float optic_d = dot(view_direction, sun_direction); - vec3 halo_22 = halo22(optic_d); - - color.rgb += rainbow(optic_d) * optic_d; - color.rgb += halo_22; - - color = pow(color, vec3(1.0/2.2)); - - frag_data[0] = vec4(color, 1.0 + s); - frag_data[1] = vec4(0.0); - frag_data[2] = vec4(0.0, 1.0, 0.0, 1.0); -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/skyV.glsl b/indra/newview/app_settings/shaders/class3/deferred/skyV.glsl deleted file mode 100644 index 2eb222ada4..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/skyV.glsl +++ /dev/null @@ -1,37 +0,0 @@ -/** - * @file class3/deferred/skyV.glsl - * - * $LicenseInfo:firstyear=2005&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2005, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -ATTRIBUTE vec3 position; -ATTRIBUTE vec2 texcoord0; - -VARYING vec2 vary_frag; - -void main() -{ - // pass through untransformed fullscreen pos at back of frustum for proper sky depth testing - gl_Position = vec4(position.xy, 1.0f, 1.0); - vary_frag = texcoord0; -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl index 7ed9e7b4fc..34ebb67c3c 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl @@ -1,31 +1,129 @@ -/** +/** * @file class3/deferred/softenLightF.glsl * * $LicenseInfo:firstyear=2007&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2007, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ - + +#define PBR_USE_ATMOS 1 +#define PBR_USE_IBL 1 +#define PBR_USE_SUN 1 + +#define DEBUG_PBR_LIGHT_TYPE 0 // Output no global light to make it easier to see pointLight and spotLight +#define DEBUG_PBR_PACKORM0 0 // Rough=0, Metal=0 +#define DEBUG_PBR_PACKORM1 0 // Rough=1, Metal=1 +#define DEBUG_PBR_TANGENT1 1 // Tangent = 1,0,0 +#define DEBUG_PBR_VERT2CAM1 0 // vertex2camera = 0,0,1 +#define DEBUG_PBR_SPECLIGHT051 0 // Force specLigh to be 0,0.5,1 + +// Pass input through "as is" +#define DEBUG_PBR_DIFFUSE_MAP 0 // Output: use diffuse in G-Buffer +#define DEBUG_PBR_EMISSIVE 0 // Output: Emissive +#define DEBUG_PBR_METAL 0 // Output: grayscale Metal map +#define DEBUG_PBR_NORMAL_MAP 0 // Output: Normal -- also need to set DEBUG_NORMAL_MAP in pbropaqueF +#define DEBUG_PBR_OCCLUSION 0 // Output: grayscale Occlusion map +#define DEBUG_PBR_ORM 0 // Output: Packed Occlusion Roughness Metal +#define DEBUG_PBR_ROUGH_PERCEPTUAL 0 // Output: grayscale Perceptual Roughness map +#define DEBUG_PBR_ROUGH_ALPHA 0 // Output: grayscale Alpha Roughness + +#define DEBUG_PBR_TANGENT 0 // Output: Tangent +#define DEBUG_PBR_BITANGENT 0 // Output: Bitangent +#define DEBUG_PBR_DOT_BV 0 // Output: graysacle dot(Bitangent,Vertex2Camera) +#define DEBUG_PBR_DOT_TV 0 // Output: grayscale dot(Tangent ,Vertex2Camera) + +// IBL Spec +#define DEBUG_PBR_NORMAL 0 // Output: passed in normal +#define DEBUG_PBR_V2C_RAW 0 // Output: vertex2camera +#define DEBUG_PBR_DOT_NV 0 // Output: grayscale dot(Normal ,Vertex2Camera) +#define DEBUG_PBR_BRDF_UV 0 // Output: red green BRDF UV (GGX input) +#define DEBUG_PBR_BRDF_SCALE_BIAS 0 // Output: red green BRDF Scale Bias (GGX output) +#define DEBUG_PBR_BRDF_SCALE_ONLY 0 // Output: grayscale BRDF Scale +#define DEBUG_PBR_BRDF_BIAS_ONLY 0 // Output: grayscale BRDER Bias +#define DEBUG_PBR_FRESNEL 0 // Output: roughness dependent fresnel +#define DEBUG_PBR_KSPEC 0 // Output: K spec +#define DEBUG_PBR_REFLECTION_DIR 0 // Output: reflection dir +#define DEBUG_PBR_SPEC_IBL 0 // Output: IBL specularity +#define DEBUG_PBR_SPEC_LEGACY 0 // Output: legacyenv +#define DEBUG_PBR_SPEC_REFLECTION 0 // Output: environment reflection +#define DEBUG_PBR_FSS_ESS_GGX 0 // Output: FssEssGGX +#define DEBUG_PBR_SPEC 0 // Output: Final spec + +// IBL Diffuse +#define DEBUG_PBR_DIFFUSE_C 0 // Output: diffuse non metal mix +#define DEBUG_PBR_IRRADIANCE_RAW 0 // Output: Diffuse Irradiance pre-mix +#define DEBUG_PBR_IRRADIANCE 0 // Output: Diffuse Irradiance, NOTE: SSAO is factored in +#define DEBUG_PBR_FSS_ESS_LAMBERT 0 // Output: FssEssLambert +#define DEBUG_PBR_EMS 0 // Output: Ems = (1 - BRDF Scale + BRDF Bias) +#define DEBUG_PBR_AVG 0 // Output: Avg +#define DEBUG_PBR_FMS_EMS 0 // Output: FmsEms +#define DEBUG_PBR_DIFFUSE_K 0 // Output: diffuse FssEssLambert + FmsEms +#define DEBUG_PBR_DIFFUSE_PRE_AO 0 // Output: diffuse pre AO +#define DEBUG_PBR_DIFFUSE 0 // Output: diffuse post AO + +// Atmospheric Lighting +#define DEBUG_PBR_AMBENV 0 // Output: ambient environment +#define DEBUG_PBR_AMBOCC 0 // Output: ambient occlusion +#define DEBUG_PBR_DA_RAW 0 // Output: da pre pow() +#define DEBUG_PBR_DA_POW 0 // Output: da post pow() +#define DEBUG_PBR_SUN_LIT 0 // Ouput: sunlit +#define DEBUG_PBR_SUN_CONTRIB 0 // Output: sun_contrib +#define DEBUG_PBR_SKY_ADDITIVE 0 // Output: additive +#define DEBUG_PBR_SKY_ATTEN 0 // Output: greyscale atten.r + +// Sun +#define DEBUG_PBR_SUN_FULL_BRIGHT 0 // Sunlit color = <1,1,1> +#define DEBUG_PBR_SUN_OUT_DIFFUSE 0 // Final sun diffuse : intensity * nl * diffuse +#define DEBUG_PBR_SUN_OUT_SPECULAR 0 // Final sun specular: intensity * nl * specular +#define DEBUG_PBR_SUN_LAMBERT 0 // BRDF Diffuse: Lambertian Diffuse color +#define DEBUG_PBR_SUN_LAMBERT_NL 0 // BRDF Diffuse: nl * Lambertian Diffuse color +#define DEBUG_PBR_SUN_H 0 // Half Vector +#define DEBUG_PBR_SUN_L 0 // Light Vector +#define DEBUG_PBR_SUN_V 0 // Surface to Light Vector +#define DEBUG_PBR_SUN_NH 0 // dot(n,h) +#define DEBUG_PBR_SUN_NL 0 // dot(n,l) +#define DEBUG_PBR_SUN_NV 0 // dot(n,v) +#define DEBUG_PBR_SUN_VH 0 // dot(v,h) +#define DEBUG_PBR_SUN_REFLECT0 0 // reflect0 only +#define DEBUG_PBR_SUN_SPEC_FRESNEL 0 // Fresnel +#define DEBUG_PBR_SUN_SPEC_D 0 // D(h) +#define DEBUG_PBR_SUN_SPEC_V 0 // V(l,v,h) +#define DEBUG_PBR_SUN_SPEC_DF 0 // D() * F() +#define DEBUG_PBR_SUN_SPEC_DV 0 // D() * V() +#define DEBUG_PBR_SUN_SPEC_FV 0 // F() * V() +#define DEBUG_PBR_SUN_SPEC_DFV 0 // D() * F() * V() +#define DEBUG_PBR_SUN_SPEC_NL_DFV 0 // nl * D() * F() * V() + +#define DEBUG_PBR_IOR 0 // Output: grayscale IOR +#define DEBUG_PBR_REFLECT0_BASE 0 // Output: black reflect0 default from ior +#define DEBUG_PBR_REFLECT0_MIX 0 // Output: diffuse reflect0 calculated from ior +#define DEBUG_PBR_REFLECTANCE 0 // Output: diffuse reflectance -- NOT USED +#define DEBUG_PBR_SPEC_WEIGHT 0 // Output: specWeight +#define DEBUG_PBR_V2C_REMAP 0 // Output: vertex2camera (remap [-1,1] -> [0,1]) #extension GL_ARB_texture_rectangle : enable +#extension GL_ARB_shader_texture_lod : enable + +#define FLT_MAX 3.402823466e+38 -/*[EXTRA_CODE_HERE]*/ +#define REFMAP_COUNT 256 +#define REF_SAMPLE_COUNT 64 //maximum number of samples to consider #ifdef DEFINE_GL_FRAGCOLOR out vec4 frag_color; @@ -36,142 +134,577 @@ out vec4 frag_color; uniform sampler2DRect diffuseRect; uniform sampler2DRect specularRect; uniform sampler2DRect normalMap; +uniform sampler2DRect emissiveRect; // PBR linear packed Occlusion, Roughness, Metal. See: pbropaqueF.glsl + +#if defined(HAS_SUN_SHADOW) || defined(HAS_SSAO) uniform sampler2DRect lightMap; +#endif + uniform sampler2DRect depthMap; uniform sampler2D lightFunc; -uniform samplerCube environmentMap; uniform float blur_size; uniform float blur_fidelity; // Inputs -uniform vec4 morphFactor; -uniform vec3 camPosLocal; -uniform float cloud_shadow; -uniform float max_y; -uniform vec4 glow; uniform mat3 env_mat; -uniform vec4 shadow_clip; uniform vec3 sun_dir; +uniform vec3 moon_dir; +uniform int sun_up_factor; VARYING vec2 vary_fragcoord; uniform mat4 inv_proj; -uniform mat4 inv_modelview; - uniform vec2 screen_res; -uniform sampler2D transmittance_texture; -uniform sampler3D scattering_texture; -uniform sampler3D single_mie_scattering_texture; -uniform sampler2D irradiance_texture; - -uniform sampler2D sh_input_r; -uniform sampler2D sh_input_g; -uniform sampler2D sh_input_b; - -vec3 GetSunAndSkyIrradiance(vec3 camPos, vec3 norm, vec3 dir, out vec3 sky_irradiance); -vec3 GetSkyLuminance(vec3 camPos, vec3 view_dir, float shadow_length, vec3 dir, out vec3 transmittance); -vec3 GetSkyLuminanceToPoint(vec3 camPos, vec3 pos, float shadow_length, vec3 dir, out vec3 transmittance); - -vec3 ColorFromRadiance(vec3 radiance); -vec4 getPositionWithDepth(vec2 pos_screen, float depth); -vec4 getPosition(vec2 pos_screen); vec3 getNorm(vec2 pos_screen); +vec4 getPositionWithDepth(vec2 pos_screen, float depth); + +vec3 BRDFLambertian( vec3 reflect0, vec3 reflect90, vec3 c_diff, float specWeight, float vh ); +vec3 BRDFSpecularGGX( vec3 reflect0, vec3 reflect90, float alphaRoughness, float specWeight, float vh, float nl, float nv, float nh ); +void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten, bool use_ao); +float calcF0(float ior); +void calcHalfVectors(vec3 lv, vec3 n, vec3 v, out vec3 h, out vec3 l, out float nh, out float nl, out float nv, out float vh, out float lightDist); + +float getAmbientClamp(); +vec2 getGGX( vec2 brdfPoint ); +void initMaterial( vec3 diffuse, vec3 packedORM, + out float alphaRough, out vec3 c_diff, out vec3 reflect0, out vec3 reflect90, out float specWeight ); +vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten); +vec3 scaleSoftClipFrag(vec3 l); +vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten); +vec3 fullbrightScaleSoftClip(vec3 light); + +// reflection probe interface +void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyEnv, + vec3 pos, vec3 norm, float glossiness, float envIntensity); +void applyGlossEnv(inout vec3 color, vec3 glossenv, vec4 spec, vec3 pos, vec3 norm); +void applyLegacyEnv(inout vec3 color, vec3 legacyenv, vec4 spec, vec3 pos, vec3 norm, float envIntensity); + +vec3 linear_to_srgb(vec3 c); +vec3 srgb_to_linear(vec3 c); + +// Debug Utils +vec3 BRDFDiffuse(vec3 color); +vec3 colorize_dot(float x); +vec3 fresnelSchlick( vec3 reflect0, vec3 reflect90, float vh); +float D_GGX( float nh, float alphaRough ); +float V_GGX( float nl, float nv, float alphaRough ); #ifdef WATER_FOG vec4 applyWaterFogView(vec3 pos, vec4 color); #endif -void main() +uniform vec3 view_dir; // PBR + +void main() { - vec2 tc = vary_fragcoord.xy; - float depth = texture2DRect(depthMap, tc.xy).r; - vec3 pos = getPositionWithDepth(tc, depth).xyz; - vec4 norm = texture2DRect(normalMap, tc); + vec2 tc = vary_fragcoord.xy; + float depth = texture2DRect(depthMap, tc.xy).r; + vec4 pos = getPositionWithDepth(tc, depth); + vec4 norm = texture2DRect(normalMap, tc); float envIntensity = norm.z; - norm.xyz = getNorm(tc); + norm.xyz = getNorm(tc); + + vec3 light_dir = (sun_up_factor == 1) ? sun_dir : moon_dir; + float da = clamp(dot(norm.xyz, light_dir.xyz), 0.0, 1.0); +#if DEBUG_PBR_DA_RAW + float debug_da = da; +#endif + float light_gamma = 1.0 / 1.3; + da = pow(da, light_gamma); - float da = max(dot(norm.xyz, sun_dir.xyz), 0.0); + vec4 diffuse = texture2DRect(diffuseRect, tc); + vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); // NOTE: PBR sRGB Emissive - vec4 diffuse = texture2DRect(diffuseRect, tc); // sRGB - diffuse.rgb = srgb_to_linear(diffuse.rgb); +#if defined(HAS_SUN_SHADOW) || defined(HAS_SSAO) + vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; + scol_ambocc = pow(scol_ambocc, vec2(light_gamma)); + float scol = max(scol_ambocc.r, diffuse.a); + float ambocc = scol_ambocc.g; +#else + float scol = 1.0; + float ambocc = 1.0; +#endif - vec3 col; + vec3 color = vec3(0); float bloom = 0.0; + + vec3 sunlit; + vec3 amblit; + vec3 additive; + vec3 atten; + + calcAtmosphericVars(pos.xyz, light_dir, ambocc, sunlit, amblit, additive, atten, true); + + //vec3 amb_vec = env_mat * norm.xyz; + + vec3 ambenv; + vec3 glossenv; + vec3 legacyenv; + + bool hasPBR = GET_GBUFFER_FLAG(GBUFFER_FLAG_HAS_PBR); + if (hasPBR) { - vec3 camPos = (camPosLocal / 1000.0f) + vec3(0, 0, 6360.0f); + // 5.22.2. material.pbrMetallicRoughness.baseColorTexture + // The first three components (RGB) MUST be encoded with the sRGB transfer function. + // + // 5.19.7. material.emissiveTexture + // This texture contains RGB components encoded with the sRGB transfer function. + // + // 5.22.5. material.pbrMetallicRoughness.metallicRoughnessTexture + // These values MUST be encoded with a linear transfer function. + + vec3 colorDiffuse = vec3(0); + vec3 colorEmissive = spec.rgb; // PBR sRGB Emissive. See: pbropaqueF.glsl + vec3 colorSpec = vec3(0); +// vec3 colorClearCoat = vec3(0); +// vec3 colorSheen = vec3(0); +// vec3 colorTransmission = vec3(0); + + vec3 packedORM = texture2DRect(emissiveRect, tc).rgb; // PBR linear packed Occlusion, Roughness, Metal. See: pbropaqueF.glsl +#if DEBUG_PBR_PACK_ORM0 + packedORM = vec3(0,0,0); +#endif +#if DEBUG_PBR_PACK_ORM1 + packedORM = vec3(1,1,1); +#endif + float IOR = 1.5; // default Index Of Refraction 1.5 (dielectrics) +#if DEBUG_PBR_REFLECT0_BASE + vec3 debug_reflect0 = vec3(calcF0(IOR)); +#endif + float ao = packedORM.r; + float metal = packedORM.b; + vec3 v = -normalize(pos.xyz); +#if DEBUG_PBR_VERT2CAM1 + v = vec3(0,0,1); +#endif + vec3 n = norm.xyz; +// vec3 t = texture2DRect(tangentMap, tc).rgb; +#if DEBUG_PBR_TANGENT1 + vec3 t = vec3(1,0,0); +#endif + vec3 b = cross( n,t); + vec3 reflectVN = normalize(reflect(-v,n)); + + vec3 h, l; + float nh, nl, nv, vh, lightDist; + calcHalfVectors(light_dir, n, v, h, l, nh, nl, nv, vh, lightDist); + + float tv = clamp(dot(t,v),0,1); + float bv = clamp(dot(b,v),0,1); + + // Reference: getMetallicRoughnessInfo + vec3 base = linear_to_srgb(diffuse.rgb); + float perceptualRough = packedORM.g; // NOTE: do NOT clamp here to be consistent with Blender, Blender is wrong and Substance is right + vec3 c_diff, reflect0, reflect90; + float alphaRough, specWeight; + initMaterial( base, packedORM, alphaRough, c_diff, reflect0, reflect90, specWeight ); +#if DEBUG_PBR_REFLECTANCE + float reflectance = max( max( reflect0.r, reflect0.g ), reflect0.b ); +#endif - vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); - - vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; + // Common to RadianceGGX and RadianceLambertian + vec2 brdfPoint = clamp(vec2(nv, perceptualRough), vec2(0,0), vec2(1,1)); + vec2 vScaleBias = getGGX( brdfPoint); // Environment BRDF: scale and bias applied to reflect0 + vec3 fresnelR = max(vec3(1.0 - perceptualRough), reflect0) - reflect0; // roughness dependent fresnel + vec3 kSpec = reflect0 + fresnelR*pow(1.0 - nv, 5.0); + + // Reference: getIBLRadianceGGX + // https://forum.substance3d.com/index.php?topic=3243.0 + // Glossiness + // This map is the inverse of the roughness map. + vec3 irradiance = vec3(0); + vec3 specLight = vec3(0); + float gloss = 1.0 - perceptualRough; + sampleReflectionProbes(irradiance, specLight, legacyenv, pos.xyz, norm.xyz, gloss, 0.0); +#if DEBUG_PBR_IRRADIANCE_RAW + vec3 debug_irradiance = irradiance; +#endif + irradiance = max(amblit,irradiance) * ambocc; + specLight = srgb_to_linear(specLight); +#if DEBUG_PBR_SPECLIGHT051 + specLight = vec3(0,0.5,1.0); + irradiance = specLight; +#endif +#if HAS_IBL + kSpec = mix( kSpec, iridescenceFresnel, iridescenceFactor); +#endif + vec3 FssEssGGX = kSpec*vScaleBias.x + vScaleBias.y; +#if DEBUG_PBR_SPEC_IBL + vec3 debug_color_spec = specWeight * specLight * FssEssGGX; +#endif +#if PBR_USE_IBL + colorSpec += specWeight * specLight * FssEssGGX; +#endif - float scol = max(scol_ambocc.r, diffuse.a); + // Reference: getIBLRadianceLambertian + vec3 FssEssLambert = specWeight * kSpec * vScaleBias.x + vScaleBias.y; // NOTE: Very similar to FssEssRadiance but with extra specWeight term + float Ems = 1.0 - (vScaleBias.x + vScaleBias.y); + vec3 avg = specWeight * (reflect0 + (1.0 - reflect0) / 21.0); + vec3 AvgEms = avg * Ems; + vec3 FmsEms = AvgEms * FssEssLambert / (1.0 - AvgEms); + vec3 kDiffuse = c_diff * (1.0 - FssEssLambert + FmsEms); +#if PBR_USE_IBL + colorDiffuse += (FmsEms + kDiffuse) * irradiance; +#endif + #if DEBUG_PBR_DIFFUSE_PRE_AO + vec3 debug_diffuse = colorDiffuse; + #endif - float ambocc = scol_ambocc.g; + colorDiffuse *= ao; // Occlusion -- NOTE: pbropaque will need occlusion_strength pre-multiplied into spec.r + colorSpec *= ao; - vec4 l1tap = vec4(1.0/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265)); - vec4 l1r = texture2D(sh_input_r, vec2(0,0)); - vec4 l1g = texture2D(sh_input_g, vec2(0,0)); - vec4 l1b = texture2D(sh_input_b, vec2(0,0)); + // Add in sun/moon reflection + if (nl > 0.0 || nv > 0.0) + { + float scale = 4.9; + vec3 sunColor = srgb_to_linear(sunlit * scale); // NOTE: Midday should have strong sunlight +#if DEBUG_PBR_SUN_FULL_BRIGHT + sunColor = vec3(1); +#endif + // scol = sun shadow + vec3 intensity = ambocc * sunColor * nl * scol; + vec3 sunDiffuse = base * intensity * BRDFLambertian (reflect0, reflect90, c_diff , specWeight, vh); + vec3 sunSpec = intensity * BRDFSpecularGGX(reflect0, reflect90, alphaRough, specWeight, vh, nl, nv, nh); + bloom = dot(sunSpec, sunSpec) / (scale * scale * scale); + + #if DEBUG_PBR_SUN_SPEC_FRESNEL + colorDiffuse = vec3(0); + colorSpec = fresnelSchlick( reflect0, reflect90, vh ); + bloom = 0; + #endif + #if DEBUG_PBR_SUN_SPEC_D + colorDiffuse = vec3(0); + colorSpec = vec3(D_GGX( nh, alphaRough )); + bloom = 0; + #endif + #if DEBUG_PBR_SUN_SPEC_V + colorDiffuse = vec3(0); + colorSpec = vec3(V_GGX( nl, nv, alphaRough )); + bloom = 0; + #endif + #if DEBUG_PBR_SUN_SPEC_DF + colorDiffuse = vec3(0); + colorSpec = fresnelSchlick( reflect0, reflect90, vh ); + colorSpec *= D_GGX( nh, alphaRough ); + bloom = 0; + #endif + #if DEBUG_PBR_SUN_SPEC_DV + colorDiffuse = vec3(0); + colorSpec = vec3(D_GGX( nh, alphaRough )); + colorSpec *= vec3(V_GGX( nl, nv, alphaRough )); + bloom = 0; + #endif + #if DEBUG_PBR_SUN_SPEC_FV + colorDiffuse = vec3(0); + colorSpec = fresnelSchlick( reflect0, reflect90, vh ); + colorSpec *= V_GGX( nl, nv, alphaRough ); + bloom = 0; + #endif + #if DEBUG_PBR_SUN_SPEC_DFV + colorDiffuse = vec3(0); + colorSpec = fresnelSchlick( reflect0, reflect90, vh ); + colorSpec *= D_GGX( nh, alphaRough ); + colorSpec *= V_GGX( nl, nv, alphaRough ); + bloom = 0; + #endif + #if DEBUG_PBR_SUN_SPEC_NL_DFV + colorDiffuse = vec3(0); + colorSpec = nl * BRDFSpecularGGX(reflect0, reflect90, alphaRough, specWeight, vh, nl, nv, nh); + #endif + #if DEBUG_PBR_SUN_FINAL + colorDiffuse = nl * BRDFLambertian (reflect0, reflect90, c_diff , specWeight, vh); + colorSpec = nl * BRDFSpecularGGX(reflect0, reflect90, alphaRough, specWeight, vh, nl, nv, nh); + #endif + + #if DEBUG_PBR_SUN_OUT_DIFFUSE + colorDiffuse = linear_to_srgb(sunDiffuse); + colorSpec = vec3(0); + bloom = 0.0; + #endif + #if DEBUG_PBR_SUN_OUT_SPECULAR + colorDiffuse = linear_to_srgb(sunSpec); + colorSpec = vec3(0); + #endif + #if DEBUG_PBR_SUN_REFLECT0 + colorDiffuse = reflect0; + colorSpec = vec3(0); + #endif + +#if PBR_USE_SUN + colorDiffuse += sunDiffuse; + colorSpec += sunSpec; +#endif + } - vec3 indirect = vec3(dot(l1r, l1tap * vec4(1, norm.xyz)), - dot(l1g, l1tap * vec4(1, norm.xyz)), - dot(l1b, l1tap * vec4(1, norm.xyz))); +#if DEBUG_PBR_SUN_LAMBERT + colorDiffuse = BRDFLambertian (reflect0, reflect90, c_diff , specWeight, vh); + colorSpec = vec3(0); + bloom = 0; +#endif +#if DEBUG_PBR_SUN_LAMBERT_NL + colorDiffuse = nl * BRDFLambertian (reflect0, reflect90, c_diff , specWeight, vh); + colorSpec = vec3(0); + bloom = 0; +#endif - indirect = clamp(indirect, vec3(0), vec3(1.0)); + #if DEBUG_PBR_SUN_H + colorDiffuse = h*0.5 + 0.5; colorSpec = vec3(0); + #endif + #if DEBUG_PBR_SUN_L + colorDiffuse = l*0.5 + 0.5; colorSpec = vec3(0); + #endif + #if DEBUG_PBR_SUN_V + colorDiffuse = v*0.5 + 0.5; colorSpec = vec3(0); + #endif + #if DEBUG_PBR_SUN_NH + colorDiffuse = colorize_dot(nh); colorSpec = vec3(0); + #endif + #if DEBUG_PBR_SUN_NL + colorDiffuse = colorize_dot(nl); colorSpec = vec3(0); + #endif + #if DEBUG_PBR_SUN_NV + colorDiffuse = colorize_dot(nv); colorSpec = vec3(0); + #endif + #if DEBUG_PBR_SUN_VH + colorDiffuse = colorize_dot(vh); colorSpec = vec3(0); + #endif + + color.rgb = colorDiffuse + colorEmissive + colorSpec; + +#if PBR_USE_ATMOS + color = linear_to_srgb(color); + color *= atten.r; + color += 2.0*additive; + color = scaleSoftClipFrag(color); + color = srgb_to_linear(color); +#endif // PBR_USE_ATMOS + + #if DEBUG_PBR_DIFFUSE + color.rgb = colorDiffuse; + #endif + #if DEBUG_PBR_EMISSIVE + color.rgb = colorEmissive; + #endif + #if DEBUG_PBR_METAL + color.rgb = vec3(metal); + #endif + #if DEBUG_PBR_NORMAL_MAP + color.rgb = diffuse.rgb; + #endif + #if DEBUG_PBR_OCCLUSION + color.rgb = vec3(ao); + #endif + #if DEBUG_PBR_ORM + color.rgb = packedORM; + #endif + #if DEBUG_PBR_ROUGH_PERCEPTUAL + color.rgb = vec3(perceptualRough); + #endif + #if DEBUG_PBR_ROUGH_ALPHA + color.rgb = vec3(alphaRough); + #endif + + #if DEBUG_PBR_NORMAL + color.rgb = norm.xyz*0.5 + vec3(0.5); + color.rgb = srgb_to_linear(color.rgb); + #endif + #if DEBUG_PBR_TANGENT + color.rgb = t; + #endif + #if DEBUG_PBR_BITANGENT + color.rgb = b; + #endif + #if DEBUG_PBR_DOT_NV + color.rgb = vec3(nv); + #endif + #if DEBUG_PBR_DOT_TV + color.rgb = vec3(tv); + #endif + #if DEBUG_PBR_DOT_BV + color.rgb = vec3(bv); + #endif + + #if DEBUG_PBR_AVG + color.rgb = avg; + #endif + #if DEBUG_PBR_BRDF_UV + color.rgb = vec3(brdfPoint,0.0); + color.rgb = linear_to_srgb(color.rgb); + #endif + #if DEBUG_PBR_BRDF_SCALE_BIAS + color.rgb = vec3(vScaleBias,0.0); + #endif + #if DEBUG_PBR_DIFFUSE_C + color.rgb = c_diff; + #endif + #if DEBUG_PBR_BRDF_SCALE_ONLY + color.rgb = vec3(vScaleBias.x); + #endif + #if DEBUG_PBR_BRDF_BIAS_ONLY + color.rgb = vec3(vScaleBias.y); + #endif + #if DEBUG_PBR_DIFFUSE_K + color.rgb = kDiffuse; + #endif + #if DEBUG_PBR_DIFFUSE_MAP + color.rgb = diffuse.rgb; + #endif + #if DEBUG_PBR_DIFFUSE_PRE_AO + color.rgb = debug_diffuse; + #endif + #if DEBUG_PBR_EMS + color.rgb = vec3(Ems); + #endif + #if DEBUG_PBR_EMS_AVG + color.rgb = AvgEms; + #endif + #if DEBUG_PBR_FMS_EMS + color.rgb = FmsEms; + #endif + #if DEBUG_PBR_FSS_ESS_GGX + color.rgb = FssEssGGX; // spec + #endif + #if DEBUG_PBR_FSS_ESS_LAMBERT + color.rgb = FssEssLambert; // diffuse + #endif + #if DEBUG_PBR_FRESNEL + color.rgb = fresnelR; + #endif + #if DEBUG_PBR_IOR + color.rgb = vec3(IOR); + #endif + #if DEBUG_PBR_IRRADIANCE_RAW + color.rgb = debug_irradiance; + #endif + #if DEBUG_PBR_IRRADIANCE + color.rgb = irradiance; + #endif + #if DEBUG_PBR_KSPEC + color.rgb = kSpec; + #endif + #if DEBUG_PBR_REFLECT0_BASE + color.rgb = vec3(debug_reflect0); + #endif + #if DEBUG_PBR_REFLECT0_MIX + color.rgb = vec3(reflect0); + #endif + #if DEBUG_PBR_REFLECTANCE + color.rgb = vec3(reflectance); + #endif + #if DEBUG_PBR_REFLECTION_DIR + color.rgb = reflect(-v, n); // NOTE: equivalent to normalize(reflect(pos.xyz, norm.xyz)); + #endif + #if DEBUG_PBR_SPEC + color.rgb = colorSpec; + #endif + #if DEBUG_PBR_SPEC_REFLECTION + color.rgb = specLight; + #endif + #if DEBUG_PBR_SPEC_WEIGHT + color.rgb = vec3(specWeight); + #endif + #if DEBUG_PBR_V2C_RAW + color.rgb = v; + #endif + #if DEBUG_PBR_V2C_REMAP + color.rgb = v*0.5 + vec3(0.5); + #endif + + #if DEBUG_PBR_DA_RAW + color.rgb = vec3(debug_da); + #endif + #if DEBUG_PBR_DA_POW + color.rgb = vec3(da); + #endif + #if DEBUG_PBR_SKY_ADDITIVE + color.rgb = additive; + #endif + #if DEBUG_PBR_SKY_ATTEN + color.rgb = vec3(atten.r); + #endif + #if DEBUG_PBR_SUN_LIT + color.rgb = sunlit; + #endif + #if DEBUG_PBR_SUN_CONTRIB + color.rgb = sun_contrib; + #endif + #if DEBUG_PBR_LIGHT_TYPE + color.rgb = vec3(0); + #endif + frag_color.rgb = color.rgb; // PBR is done in linear + } +else +{ + diffuse.rgb = linear_to_srgb(diffuse.rgb); // SL-14035 - vec3 transmittance; - vec3 sky_irradiance; - vec3 sun_irradiance = GetSunAndSkyIrradiance(camPos, norm.xyz, sun_dir, sky_irradiance); - vec3 inscatter = GetSkyLuminanceToPoint(camPos, (pos / 1000.f) + vec3(0, 0, 6360.0f), scol, sun_dir, transmittance); + sampleReflectionProbes(ambenv, glossenv, legacyenv, pos.xyz, norm.xyz, spec.a, envIntensity); - vec3 radiance = scol * (sun_irradiance + sky_irradiance) + inscatter; - vec3 atmo_color = ColorFromRadiance(radiance); + amblit = max(ambenv, amblit); + color.rgb = amblit*ambocc; - col = atmo_color + indirect; - col *= transmittance; - col *= diffuse.rgb; + //float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0); + //ambient *= 0.5; + //ambient *= ambient; + //ambient = (1.0 - ambient); + //color.rgb *= ambient; - vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); + vec3 sun_contrib = min(da, scol) * sunlit; + color.rgb += sun_contrib; + color.rgb = min(color.rgb, vec3(1,1,1)); + color.rgb *= diffuse.rgb; - if (spec.a > 0.0) // specular reflection - { - // the old infinite-sky shiny reflection - // - float sa = dot(refnormpersp, sun_dir.xyz); - vec3 dumbshiny = scol * texture2D(lightFunc, vec2(sa, spec.a)).r * atmo_color; - - // add the two types of shiny together - vec3 spec_contrib = dumbshiny * spec.rgb * 0.25; - bloom = dot(spec_contrib, spec_contrib); - col += spec_contrib; - } + vec3 refnormpersp = reflect(pos.xyz, norm.xyz); - col = mix(col, diffuse.rgb, diffuse.a); + if (spec.a > 0.0) // specular reflection + { + float sa = dot(normalize(refnormpersp), light_dir.xyz); + vec3 dumbshiny = sunlit * scol * (texture2D(lightFunc, vec2(sa, spec.a)).r); - if (envIntensity > 0.0) - { //add environmentmap - vec3 env_vec = env_mat * refnormpersp; - vec3 sun_direction = (inv_modelview * vec4(sun_dir, 1.0)).xyz; - vec3 radiance_sun = GetSkyLuminance(camPos, env_vec, 0.0f, sun_direction, transmittance); - vec3 refcol = ColorFromRadiance(radiance_sun); - col = mix(col.rgb, refcol, envIntensity); - } - - /*if (norm.w < 0.5) - { - col = scaleSoftClipFrag(col); - }*/ - - #ifdef WATER_FOG - vec4 fogged = applyWaterFogView(pos,vec4(col, bloom)); - col = fogged.rgb; - bloom = fogged.a; - #endif + // add the two types of shiny together + vec3 spec_contrib = dumbshiny * spec.rgb; + bloom = dot(spec_contrib, spec_contrib) / 6; + color.rgb += spec_contrib; + + // add reflection map - EXPERIMENTAL WORK IN PROGRESS + applyGlossEnv(color, glossenv, spec, pos.xyz, norm.xyz); } - //output linear since gamma correction happens down stream - frag_color.rgb = col; + color.rgb = mix(color.rgb, diffuse.rgb, diffuse.a); + + if (envIntensity > 0.0) + { // add environmentmap + //fudge darker + legacyenv *= 0.5*diffuse.a+0.5; + applyLegacyEnv(color, legacyenv, spec, pos.xyz, norm.xyz, envIntensity); + } + + if (GET_GBUFFER_FLAG(GBUFFER_FLAG_HAS_ATMOS)) + { + color = mix(atmosFragLighting(color, additive, atten), fullbrightAtmosTransportFrag(color, additive, atten), diffuse.a); + color = mix(scaleSoftClipFrag(color), fullbrightScaleSoftClip(color), diffuse.a); + } + +#ifdef WATER_FOG + vec4 fogged = applyWaterFogView(pos.xyz, vec4(color, bloom)); + color = fogged.rgb; + bloom = fogged.a; +#endif + #if DEBUG_PBR_LIGHT_TYPE + color.rgb = vec3(0); + #endif + // convert to linear as fullscreen lights need to sum in linear colorspace + // and will be gamma (re)corrected downstream... + //color = ambenv; + //color.b = diffuse.a; + frag_color.rgb = srgb_to_linear(color.rgb); +} +#if DEBUG_PBR_AMBOCC + frag_color.rgb = vec3(ambocc); +#endif +#if DEBUG_PBR_AMBENV + frag_color.rgb = ambenv; +#endif frag_color.a = bloom; } diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightV.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightV.glsl deleted file mode 100644 index 9d872b8df8..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/softenLightV.glsl +++ /dev/null @@ -1,38 +0,0 @@ -/** - * @file class3/deferred/softenLightV.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ -ATTRIBUTE vec3 position; - -VARYING vec2 vary_fragcoord; - -uniform mat4 modelview_projection_matrix; -uniform vec2 screen_res; - -void main() -{ - //transform vertex - vec4 pos = modelview_projection_matrix * vec4(position.xyz, 1.0); - gl_Position = pos; - vary_fragcoord = (pos.xy*0.5+0.5)*screen_res; -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl index 56b0f4e5ce..41e40a07e7 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl @@ -1,9 +1,9 @@ /** - * @file spotLightF.glsl + * @file class3\deferred\spotLightF.glsl * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. + * Copyright (C) 2022, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -28,6 +28,16 @@ /*[EXTRA_CODE_HERE]*/ +#define DEBUG_ANY_LIGHT_TYPE 0 // Output green light cone +#define DEBUG_LEG_LIGHT_TYPE 0 // Show Legacy objects in green +#define DEBUG_PBR_LIGHT_TYPE 0 // Show PBR objects in green +#define DEBUG_PBR_SPOT 0 +#define DEBUG_PBR_SPOT_DIFFUSE 0 +#define DEBUG_PBR_SPOT_SPECULAR 0 + +#define DEBUG_SPOT_NL 0 // monochome area effected by light +#define DEBUG_SPOT_ZERO 0 // Output zero for spotlight + #ifdef DEFINE_GL_FRAGCOLOR out vec4 frag_color; #else @@ -38,10 +48,11 @@ uniform sampler2DRect diffuseRect; uniform sampler2DRect specularRect; uniform sampler2DRect depthMap; uniform sampler2DRect normalMap; +uniform sampler2DRect emissiveRect; // PBR linear packed Occlusion, Roughness, Metal. See: pbropaqueF.glsl uniform samplerCube environmentMap; uniform sampler2DRect lightMap; uniform sampler2D noiseMap; -uniform sampler2D projectionMap; +uniform sampler2D projectionMap; // rgba uniform sampler2D lightFunc; uniform mat4 proj_mat; //screen space to light space @@ -71,217 +82,220 @@ uniform vec2 screen_res; uniform mat4 inv_proj; -vec3 getNorm(vec2 pos_screen); - -vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); - - float det = min(lod/(proj_lod*0.5), 1.0); - - float d = min(dist.x, dist.y); - - d *= min(1, d * (proj_lod - lod)); - - float edge = 0.25*det; - - ret *= clamp(d/edge, 0.0, 1.0); - - return ret; -} - -vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); - - float det = min(lod/(proj_lod*0.5), 1.0); - - float d = min(dist.x, dist.y); - - float edge = 0.25*det; - - ret *= clamp(d/edge, 0.0, 1.0); - - return ret; -} - -vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) -{ - vec4 ret = texture2DLod(projectionMap, tc, lod); - - vec2 dist = tc-vec2(0.5); - - float d = dot(dist,dist); - - ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0), 1.0); - - return ret; -} - +vec3 BRDFLambertian( vec3 reflect0, vec3 reflect90, vec3 c_diff, float specWeight, float vh ); +vec3 BRDFSpecularGGX( vec3 reflect0, vec3 reflect90, float alphaRoughness, float specWeight, float vh, float nl, float nv, float nh ); +void calcHalfVectors(vec3 lv, vec3 n, vec3 v, out vec3 h, out vec3 l, out float nh, out float nl, out float nv, out float vh, out float lightDist); +bool clipProjectedLightVars(vec3 center, vec3 pos, out float dist, out float l_dist, out vec3 lv, out vec4 proj_tc ); +vec3 getLightIntensitySpot(vec3 lightColor, float lightRange, float lightDistance, vec3 v); +vec4 getNormalEnvIntensityFlags(vec2 screenpos, out vec3 n, out float envIntensity); +vec3 getProjectedLightAmbiance(float amb_da, float attenuation, float lit, float nl, float noise, vec2 projected_uv); +vec3 getProjectedLightDiffuseColor(float light_distance, vec2 projected_uv ); +vec3 getProjectedLightSpecularColor(vec3 pos, vec3 n); +vec2 getScreenXY(vec4 clip_point); +void initMaterial( vec3 diffuse, vec3 packedORM, out float alphaRough, out vec3 c_diff, out vec3 reflect0, out vec3 reflect90, out float specWeight ); +vec3 srgb_to_linear(vec3 c); +vec4 texture2DLodSpecular(vec2 tc, float lod); vec4 getPosition(vec2 pos_screen); -void main() +void main() { - vec4 frag = vary_fragcoord; - frag.xyz /= frag.w; - frag.xyz = frag.xyz*0.5+0.5; - frag.xy *= screen_res; - - vec3 pos = getPosition(frag.xy).xyz; - vec3 lv = trans_center.xyz-pos.xyz; - float dist = length(lv); - dist /= size; - if (dist > 1.0) +#if defined(LOCAL_LIGHT_KILL) + discard; +#else + vec3 final_color = vec3(0,0,0); + vec2 tc = getScreenXY(vary_fragcoord); + vec3 pos = getPosition(tc).xyz; + + vec3 lv; + vec4 proj_tc; + float dist, l_dist; + if (clipProjectedLightVars(trans_center, pos, dist, l_dist, lv, proj_tc)) { discard; } - + float shadow = 1.0; - + if (proj_shadow_idx >= 0) { - vec4 shd = texture2DRect(lightMap, frag.xy); + vec4 shd = texture2DRect(lightMap, tc); shadow = (proj_shadow_idx == 0) ? shd.b : shd.a; shadow += shadow_fade; shadow = clamp(shadow, 0.0, 1.0); } - - vec3 norm = texture2DRect(normalMap, frag.xy).xyz; - float envIntensity = norm.z; - norm = getNorm(frag.xy); - - norm = normalize(norm); - float l_dist = -dot(lv, proj_n); - - vec4 proj_tc = (proj_mat * vec4(pos.xyz, 1.0)); - if (proj_tc.z < 0.0) - { - discard; - } - - proj_tc.xyz /= proj_tc.w; - - float fa = (falloff*0.5) + 1.0; - float dist_atten = min(1.0 - (dist - 1.0 * (1.0 - fa)) / fa, 1.0); + + float envIntensity; + vec3 n; + vec4 norm = getNormalEnvIntensityFlags(tc, n, envIntensity); // need `norm.w` for GET_GBUFFER_FLAG() + + float dist_atten = 1.0 - (dist + falloff)/(1.0 + falloff); dist_atten *= dist_atten; dist_atten *= 2.0; - if (dist_atten <= 0.0) { discard; } - - lv = proj_origin-pos.xyz; - lv = normalize(lv); - float da = dot(norm, lv); - - vec3 col = vec3(0,0,0); - - vec3 diff_tex = srgb_to_linear(texture2DRect(diffuseRect, frag.xy).rgb); - - vec4 spec = texture2DRect(specularRect, frag.xy); - - vec3 dlit = vec3(0, 0, 0); - - float noise = texture2D(noiseMap, frag.xy/128.0).b; - if (proj_tc.z > 0.0 && - proj_tc.x < 1.0 && - proj_tc.y < 1.0 && - proj_tc.x > 0.0 && - proj_tc.y > 0.0) + + lv = proj_origin-pos.xyz; // NOTE: Re-using lv + vec3 h, l, v = -normalize(pos); + float nh, nl, nv, vh, lightDist; + calcHalfVectors(lv, n, v, h, l, nh, nl, nv, vh, lightDist); + + vec3 diffuse = texture2DRect(diffuseRect, tc).rgb; + vec4 spec = texture2DRect(specularRect, tc); + vec3 dlit = vec3(0, 0, 0); + vec3 slit = vec3(0, 0, 0); + + if (GET_GBUFFER_FLAG(GBUFFER_FLAG_HAS_PBR)) { - float amb_da = proj_ambiance; - float lit = 0.0; - - if (da > 0.0) + vec3 colorDiffuse = vec3(0); + vec3 colorSpec = vec3(0); + vec3 colorEmissive = spec.rgb; // PBR sRGB Emissive. See: pbropaqueF.glsl + vec3 packedORM = texture2DRect(emissiveRect, tc).rgb; // PBR linear packed Occlusion, Roughness, Metal. See: pbropaqueF.glsl + float metal = packedORM.b; + + // We need this additional test inside a light's frustum since a spotlight's ambiance can be applied + if (proj_tc.x > 0.0 && proj_tc.x < 1.0 + && proj_tc.y > 0.0 && proj_tc.y < 1.0) { - lit = da * dist_atten * noise; - - float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0); - float lod = diff * proj_lod; - - vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod); - - dlit = color.rgb * plcol.rgb * plcol.a; - - col = dlit*lit*diff_tex*shadow; - amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance; + float lit = 0.0; + float amb_da = 0.0; + + if (nl > 0.0) + { + amb_da += (nl*0.5 + 0.5) * proj_ambiance; + lit = nl * dist_atten; + + vec3 c_diff, reflect0, reflect90; + float alphaRough, specWeight; + initMaterial( diffuse, packedORM, alphaRough, c_diff, reflect0, reflect90, specWeight ); + + dlit = getProjectedLightDiffuseColor( l_dist, proj_tc.xy ); + slit = getProjectedLightSpecularColor( pos, n ); + + colorDiffuse = shadow * dist_atten * nl * (dlit*0.5 + BRDFLambertian ( reflect0, reflect90, c_diff , specWeight, vh )); + colorSpec = shadow * dist_atten * nl * (slit + BRDFSpecularGGX( reflect0, reflect90, alphaRough, specWeight, vh, nl, nv, nh )); + + #if DEBUG_PBR_SPOT_DIFFUSE + colorDiffuse = dlit.rgb; colorSpec = vec3(0); + #endif + #if DEBUG_PBR_SPOT_SPECULAR + colorDiffuse = vec3(0); colorSpec = slit.rgb; + #endif + #if DEBUG_PBR_SPOT + colorDiffuse = dlit; colorSpec = vec3(0); + colorDiffuse *= nl; + colorDiffuse *= shadow; + #endif + } + + vec3 amb_rgb = getProjectedLightAmbiance( amb_da, dist_atten, lit, nl, 1.0, proj_tc.xy ); + colorDiffuse += diffuse.rgb * amb_rgb; + } - - //float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0); - vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod); - - amb_da += (da*da*0.5+0.5)*(1.0-shadow)*proj_ambiance; - - amb_da *= dist_atten * noise; - - amb_da = min(amb_da, 1.0-lit); - - col += amb_da*color.rgb*diff_tex.rgb*amb_plcol.rgb*amb_plcol.a; - } - - if (spec.a > 0.0) + #if DEBUG_PBR_LIGHT_TYPE + colorDiffuse = vec3(0.5,0,0); colorSpec = vec3(0.0); + #endif + + final_color = colorDiffuse + colorSpec; + } + else { - dlit *= min(da*6.0, 1.0) * dist_atten; - vec3 npos = -normalize(pos); - - //vec3 ref = dot(pos+lv, norm); - vec3 h = normalize(lv+npos); - float nh = dot(norm, h); - float nv = dot(norm, npos); - float vh = dot(npos, h); - float sa = nh; - float fres = pow(1 - dot(h, npos), 5)*0.4+0.5; - - float gtdenom = 2 * nh; - float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh)); - - if (nh > 0.0) + float noise = texture2D(noiseMap, tc/128.0).b; + if (proj_tc.z > 0.0 && + proj_tc.x < 1.0 && + proj_tc.y < 1.0 && + proj_tc.x > 0.0 && + proj_tc.y > 0.0) { - float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da); - col += dlit*scol*spec.rgb*shadow; + float amb_da = proj_ambiance; + float lit = 0.0; + + if (nl > 0.0) + { + lit = nl * dist_atten * noise; + + dlit = getProjectedLightDiffuseColor( l_dist, proj_tc.xy ); + + final_color = dlit*lit*diffuse*shadow; + + amb_da += (nl*0.5+0.5) /* * (1.0-shadow) */ * proj_ambiance; + } + + vec3 amb_rgb = getProjectedLightAmbiance( amb_da, dist_atten, lit, nl, noise, proj_tc.xy ); + final_color += diffuse.rgb*amb_rgb; + #if DEBUG_LEG_LIGHT_TYPE + final_color = vec3(0,0.5,0); + #endif } - } - - if (envIntensity > 0.0) - { - vec3 ref = reflect(normalize(pos), norm); - - //project from point pos in direction ref to plane proj_p, proj_n - vec3 pdelta = proj_p-pos; - float ds = dot(ref, proj_n); - - if (ds < 0.0) + if (spec.a > 0.0) { - vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; - - vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0)); + dlit *= min(nl*6.0, 1.0) * dist_atten; + float fres = pow(1 - dot(h, v), 5)*0.4+0.5; - if (stc.z > 0.0) + float gtdenom = 2 * nh; + float gt = max(0, min(gtdenom * nv / vh, gtdenom * nl / vh)); + + if (nh > 0.0) { - stc /= stc.w; - - if (stc.x < 1.0 && - stc.y < 1.0 && - stc.x > 0.0 && - stc.y > 0.0) + float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*nl); + vec3 speccol = dlit*scol*spec.rgb*shadow; + speccol = clamp(speccol, vec3(0), vec3(1)); + final_color += speccol; + } + } + + if (envIntensity > 0.0) + { + vec3 ref = reflect(normalize(pos), n); + + //project from point pos in direction ref to plane proj_p, proj_n + vec3 pdelta = proj_p-pos; + float ds = dot(ref, proj_n); + + if (ds < 0.0) + { + vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; + + vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0)); + + if (stc.z > 0.0) { - col += color.rgb * texture2DLodSpecular(projectionMap, stc.xy, (1 - spec.a) * (proj_lod * 0.6)).rgb * shadow * envIntensity; + stc /= stc.w; + + if (stc.x < 1.0 && + stc.y < 1.0 && + stc.x > 0.0 && + stc.y > 0.0) + { + final_color += color.rgb * texture2DLodSpecular(stc.xy, (1 - spec.a) * (proj_lod * 0.6)).rgb * shadow * envIntensity; + } } } } } - + +#if DEBUG_SPOT_DIFFUSE + final_color = vec3(nl * dist_atten); +#endif +#if DEBUG_SPOT_NL + final_color = vec3(nl); +#endif +#if DEBUG_SPOT_ZERO + final_color = vec3(0,0,0); +#endif +#if DEBUG_ANY_LIGHT_TYPE + final_color = vec3(0,0.3333,0); +#endif + //not sure why, but this line prevents MATBUG-194 - col = max(col, vec3(0.0)); + final_color = max(final_color, vec3(0.0)); - frag_color.rgb = col; + //output linear colors as gamma correction happens down stream + frag_color.rgb = final_color; frag_color.a = 0.0; +#endif // LOCAL_LIGHT_KILL } diff --git a/indra/newview/app_settings/shaders/class3/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/sunLightF.glsl deleted file mode 100644 index 112b498c90..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/sunLightF.glsl +++ /dev/null @@ -1,57 +0,0 @@ -/** - * @file class3\deferred\sunLightF.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#extension GL_ARB_texture_rectangle : enable - -/*[EXTRA_CODE_HERE]*/ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif - -//class 2, shadows, no SSAO - -// Inputs -VARYING vec2 vary_fragcoord; - -vec4 getPosition(vec2 pos_screen); -vec3 getNorm(vec2 pos_screen); - -float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen); -float sampleSpotShadow(vec3 pos, vec3 norm, int index, vec2 pos_screen); - -void main() -{ - vec2 pos_screen = vary_fragcoord.xy; - vec4 pos = getPosition(pos_screen); - vec3 norm = getNorm(pos_screen); - - frag_color.r = sampleDirectionalShadow(pos.xyz, norm, pos_screen); - frag_color.g = 1.0f; - frag_color.b = sampleSpotShadow(pos.xyz, norm, 0, pos_screen); - frag_color.a = sampleSpotShadow(pos.xyz, norm, 1, pos_screen); -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class3/deferred/sunLightSSAOF.glsl deleted file mode 100644 index 342a2ff3ed..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/sunLightSSAOF.glsl +++ /dev/null @@ -1,61 +0,0 @@ -/** - * @file class3\deferred\sunLightSSAOF.glsl - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#extension GL_ARB_texture_rectangle : enable - -/*[EXTRA_CODE_HERE]*/ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif - -//class 2 -- shadows and SSAO - -// Inputs -VARYING vec2 vary_fragcoord; - -uniform vec3 sun_dir; - -vec4 getPosition(vec2 pos_screen); -vec3 getNorm(vec2 pos_screen); - -float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen); -float sampleSpotShadow(vec3 pos, vec3 norm, int index, vec2 pos_screen); - -//calculate decreases in ambient lighting when crowded out (SSAO) -float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen); - -void main() -{ - vec2 pos_screen = vary_fragcoord.xy; - vec4 pos = getPosition(pos_screen); - vec3 norm = getNorm(pos_screen); - - frag_color.r = sampleDirectionalShadow(pos.xyz, norm, pos_screen); - frag_color.b = calcAmbientOcclusion(pos, norm, pos_screen); - frag_color.b = sampleSpotShadow(pos.xyz, norm, 0, pos_screen); - frag_color.a = sampleSpotShadow(pos.xyz, norm, 1, pos_screen); -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/treeShadowF.glsl b/indra/newview/app_settings/shaders/class3/deferred/treeShadowF.glsl deleted file mode 100644 index 41673d1669..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/treeShadowF.glsl +++ /dev/null @@ -1,59 +0,0 @@ -/** - * @file treeShadowF.glsl - * - * $LicenseInfo:firstyear=2005&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2005, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -/*[EXTRA_CODE_HERE]*/ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif - -uniform float minimum_alpha; - -uniform sampler2D diffuseMap; - -VARYING vec4 pos; -VARYING vec2 vary_texcoord0; - -vec4 computeMoments(float d, float a); - -void main() -{ - float alpha = texture2D(diffuseMap, vary_texcoord0.xy).a; - - if (alpha < minimum_alpha) - { - discard; - } - - frag_color = computeMoments(length(pos), 1.0); - -#if !defined(DEPTH_CLAMP) - gl_FragDepth = max(pos.z/pos.w*0.5+0.5, 0.0); -#endif - -} - diff --git a/indra/newview/app_settings/shaders/class3/deferred/treeShadowV.glsl b/indra/newview/app_settings/shaders/class3/deferred/treeShadowV.glsl deleted file mode 100644 index 15e769ac10..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/treeShadowV.glsl +++ /dev/null @@ -1,43 +0,0 @@ -/** - * @file treeShadowV.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform mat4 texture_matrix0; -uniform mat4 modelview_projection_matrix; - -ATTRIBUTE vec3 position; -ATTRIBUTE vec2 texcoord0; - -VARYING vec4 pos; -VARYING vec2 vary_texcoord0; - -void main() -{ - //transform vertex - pos = modelview_projection_matrix*vec4(position.xyz, 1.0); - - gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w); - - vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy; -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/underWaterF.glsl b/indra/newview/app_settings/shaders/class3/deferred/underWaterF.glsl deleted file mode 100644 index 540226e672..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/underWaterF.glsl +++ /dev/null @@ -1,115 +0,0 @@ -/** - * @file underWaterF.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -/*[EXTRA_CODE_HERE]*/ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_data[3]; -#else -#define frag_data gl_FragData -#endif - -uniform sampler2D diffuseMap; -uniform sampler2D bumpMap; -uniform sampler2D screenTex; -uniform sampler2D refTex; -uniform sampler2D screenDepth; - -uniform vec4 fogCol; -uniform vec3 lightDir; -uniform vec3 specular; -uniform float lightExp; -uniform vec2 fbScale; -uniform float refScale; -uniform float znear; -uniform float zfar; -uniform float kd; -uniform vec4 waterPlane; -uniform vec3 eyeVec; -uniform vec4 waterFogColor; -uniform float waterFogDensity; -uniform float waterFogKS; -uniform vec2 screenRes; - -//bigWave is (refCoord.w, view.w); -VARYING vec4 refCoord; -VARYING vec4 littleWave; -VARYING vec4 view; - -vec2 encode_normal(vec3 n); - -vec4 applyWaterFog(vec4 color, vec3 viewVec) -{ - //normalize view vector - vec3 view = normalize(viewVec); - float es = -view.z; - - //find intersection point with water plane and eye vector - - //get eye depth - float e0 = max(-waterPlane.w, 0.0); - - //get object depth - float depth = length(viewVec); - - //get "thickness" of water - float l = max(depth, 0.1); - - float kd = waterFogDensity; - float ks = waterFogKS; - vec4 kc = waterFogColor; - - float F = 0.98; - - float t1 = -kd * pow(F, ks * e0); - float t2 = kd + ks * es; - float t3 = pow(F, t2*l) - 1.0; - - float L = min(t1/t2*t3, 1.0); - - float D = pow(0.98, l*kd); - return color * D + kc * L; -} - -void main() -{ - vec4 color; - - //get detail normals - vec3 wave1 = texture2D(bumpMap, vec2(refCoord.w, view.w)).xyz*2.0-1.0; - vec3 wave2 = texture2D(bumpMap, littleWave.xy).xyz*2.0-1.0; - vec3 wave3 = texture2D(bumpMap, littleWave.zw).xyz*2.0-1.0; - vec3 wavef = normalize(wave1+wave2+wave3); - - //figure out distortion vector (ripply) - vec2 distort = (refCoord.xy/refCoord.z) * 0.5 + 0.5; - distort = distort+wavef.xy*refScale; - - vec4 fb = texture2D(screenTex, distort); - - frag_data[0] = vec4(fb.rgb, 1.0); // diffuse - frag_data[1] = vec4(0.5,0.5,0.5, 0.95); // speccolor*spec, spec - frag_data[2] = vec4(encode_normal(wavef), 0.0, 0.0); // normalxyz, displace -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class3/deferred/waterF.glsl deleted file mode 100644 index c65cf48c67..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/waterF.glsl +++ /dev/null @@ -1,174 +0,0 @@ -/** - * @file waterF.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#extension GL_ARB_texture_rectangle : enable - -/*[EXTRA_CODE_HERE]*/ - -#ifdef DEFINE_GL_FRAGCOLOR -out vec4 frag_data[3]; -#else -#define frag_data gl_FragData -#endif - -uniform sampler2D bumpMap; -uniform sampler2D bumpMap2; -uniform float blend_factor; -uniform sampler2D screenTex; -uniform sampler2D refTex; - -uniform float sunAngle; -uniform float sunAngle2; -uniform vec3 lightDir; -uniform vec3 specular; -uniform float lightExp; -uniform float refScale; -uniform float kd; -uniform vec2 screenRes; -uniform vec3 normScale; -uniform float fresnelScale; -uniform float fresnelOffset; -uniform float blurMultiplier; -uniform vec2 screen_res; -uniform mat4 norm_mat; //region space to screen space - -//bigWave is (refCoord.w, view.w); -VARYING vec4 refCoord; -VARYING vec4 littleWave; -VARYING vec4 view; -VARYING vec4 vary_position; - -vec3 scaleSoftClip(vec3 c); -vec2 encode_normal(vec3 n); - -vec3 BlendNormal(vec3 bump1, vec3 bump2) -{ - //vec3 normal = bump1.xyz * vec3( 2.0, 2.0, 2.0) - vec3(1.0, 1.0, 0.0); - //vec3 normal2 = bump2.xyz * vec3(-2.0, -2.0, 2.0) + vec3(1.0, 1.0, -1.0); - //vec3 n = normalize(normal * dot(normal, normal2) - (normal2 * normal.z)); - vec3 n = normalize(mix(bump1, bump2, blend_factor)); - return n; -} - -void main() -{ - vec4 color; - float dist = length(view.xy); - - //normalize view vector - vec3 viewVec = normalize(view.xyz); - - //get wave normals - vec3 wave1_a = texture2D(bumpMap, vec2(refCoord.w, view.w)).xyz*2.0-1.0; - vec3 wave2_a = texture2D(bumpMap, littleWave.xy).xyz*2.0-1.0; - vec3 wave3_a = texture2D(bumpMap, littleWave.zw).xyz*2.0-1.0; - - - vec3 wave1_b = texture2D(bumpMap2, vec2(refCoord.w, view.w)).xyz*2.0-1.0; - vec3 wave2_b = texture2D(bumpMap2, littleWave.xy).xyz*2.0-1.0; - vec3 wave3_b = texture2D(bumpMap2, littleWave.zw).xyz*2.0-1.0; - - vec3 wave1 = BlendNormal(wave1_a, wave1_b); - vec3 wave2 = BlendNormal(wave2_a, wave2_b); - vec3 wave3 = BlendNormal(wave3_a, wave3_b); - - //get base fresnel components - - vec3 df = vec3( - dot(viewVec, wave1), - dot(viewVec, (wave2 + wave3) * 0.5), - dot(viewVec, wave3) - ) * fresnelScale + fresnelOffset; - df *= df; - - vec2 distort = (refCoord.xy/refCoord.z) * 0.5 + 0.5; - - float dist2 = dist; - dist = max(dist, 5.0); - - float dmod = sqrt(dist); - - vec2 dmod_scale = vec2(dmod*dmod, dmod); - - //get reflected color - vec2 refdistort1 = wave1.xy*normScale.x; - vec2 refvec1 = distort+refdistort1/dmod_scale; - vec4 refcol1 = texture2D(refTex, refvec1); - - vec2 refdistort2 = wave2.xy*normScale.y; - vec2 refvec2 = distort+refdistort2/dmod_scale; - vec4 refcol2 = texture2D(refTex, refvec2); - - vec2 refdistort3 = wave3.xy*normScale.z; - vec2 refvec3 = distort+refdistort3/dmod_scale; - vec4 refcol3 = texture2D(refTex, refvec3); - - vec4 refcol = refcol1 + refcol2 + refcol3; - float df1 = df.x + df.y + df.z; - refcol *= df1 * 0.333; - - vec3 wavef = (wave1 + wave2 * 0.4 + wave3 * 0.6) * 0.5; - wavef.z *= max(-viewVec.z, 0.1); - wavef = normalize(wavef); - - float df2 = dot(viewVec, wavef) * fresnelScale+fresnelOffset; - - vec2 refdistort4 = wavef.xy*0.125; - refdistort4.y -= abs(refdistort4.y); - vec2 refvec4 = distort+refdistort4/dmod; - float dweight = min(dist2*blurMultiplier, 1.0); - vec4 baseCol = texture2D(refTex, refvec4); - - refcol = mix(baseCol*df2, refcol, dweight); - - //get specular component - float spec = clamp(dot(lightDir, (reflect(viewVec,wavef))),0.0,1.0); - - //harden specular - spec = pow(spec, 128.0); - - //figure out distortion vector (ripply) - vec2 distort2 = distort+wavef.xy*refScale/max(dmod*df1, 1.0); - - vec4 fb = texture2D(screenTex, distort2); - - //mix with reflection - // Note we actually want to use just df1, but multiplying by 0.999999 gets around an nvidia compiler bug - color.rgb = mix(fb.rgb, refcol.rgb, df1 * 0.99999); - - color.rgb *= 2.0f; - color.rgb = scaleSoftClip(color.rgb); - - vec4 pos = vary_position; - - color.rgb += spec * specular; - color.a = spec * sunAngle2; - - vec3 screenspacewavef = normalize((norm_mat*vec4(wavef, 1.0)).xyz); - - frag_data[0] = vec4(color.rgb, color); // diffuse - frag_data[1] = vec4(spec * specular, spec); // speccolor, spec - frag_data[2] = vec4(encode_normal(wavef.xyz), 0.05, 0);// normalxy, 0, 0 -} diff --git a/indra/newview/app_settings/shaders/class3/deferred/waterV.glsl b/indra/newview/app_settings/shaders/class3/deferred/waterV.glsl deleted file mode 100644 index 02000d90ca..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/waterV.glsl +++ /dev/null @@ -1,95 +0,0 @@ -/** - * @file waterV.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -uniform mat4 modelview_matrix; -uniform mat4 modelview_projection_matrix; - -ATTRIBUTE vec3 position; - - -uniform vec2 d1; -uniform vec2 d2; -uniform float time; -uniform vec3 eyeVec; -uniform float waterHeight; - -VARYING vec4 refCoord; -VARYING vec4 littleWave; -VARYING vec4 view; - -VARYING vec4 vary_position; - -float wave(vec2 v, float t, float f, vec2 d, float s) -{ - return (dot(d, v)*f + t*s)*f; -} - -void main() -{ - //transform vertex - vec4 pos = vec4(position.xyz, 1.0); - mat4 modelViewProj = modelview_projection_matrix; - - vec4 oPosition; - - //get view vector - vec3 oEyeVec; - oEyeVec.xyz = pos.xyz-eyeVec; - - float d = length(oEyeVec.xy); - float ld = min(d, 2560.0); - - pos.xy = eyeVec.xy + oEyeVec.xy/d*ld; - view.xyz = oEyeVec; - - d = clamp(ld/1536.0-0.5, 0.0, 1.0); - d *= d; - - oPosition = vec4(position, 1.0); - oPosition.z = mix(oPosition.z, max(eyeVec.z*0.75, 0.0), d); - vary_position = modelview_matrix * oPosition; - oPosition = modelViewProj * oPosition; - - refCoord.xyz = oPosition.xyz + vec3(0,0,0.2); - - //get wave position parameter (create sweeping horizontal waves) - vec3 v = pos.xyz; - v.x += (cos(v.x*0.08/*+time*0.01*/)+sin(v.y*0.02))*6.0; - - //push position for further horizon effect. - pos.xyz = oEyeVec.xyz*(waterHeight/oEyeVec.z); - pos.w = 1.0; - pos = modelview_matrix*pos; - - //pass wave parameters to pixel shader - vec2 bigWave = (v.xy) * vec2(0.04,0.04) + d1 * time * 0.055; - //get two normal map (detail map) texture coordinates - littleWave.xy = (v.xy) * vec2(0.45, 0.9) + d2 * time * 0.13; - littleWave.zw = (v.xy) * vec2(0.1, 0.2) + d1 * time * 0.1; - view.w = bigWave.y; - refCoord.w = bigWave.x; - - gl_Position = oPosition; -} |