diff options
3 files changed, 90 insertions, 46 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl index 721bd933cc..70a7f67864 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl @@ -25,12 +25,18 @@ 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 // light params +uniform vec3 color; // light_color uniform float size; // light_size uniform mat4 inv_proj; @@ -38,6 +44,8 @@ uniform vec2 screen_res; const float M_PI = 3.14159265; +vec3 srgb_to_linear(vec3 cs); + // In: // lv unnormalized surface to light vector // n normal of the surface @@ -138,6 +146,80 @@ float getDepth(vec2 pos_screen) return depth; } +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; +} + +// Returns projected light in Linear +// Uses: +// 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); diff --git a/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl index a6b09ad3ad..90445cb0ef 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl @@ -81,6 +81,8 @@ void calcHalfVectors(vec3 lv, vec3 n, vec3 v, out vec3 h, out vec3 l, out float 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 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); @@ -104,24 +106,6 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) return ret; } -vec4 texture2DLodDiffuse(sampler2D projectionMap, 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; -} - vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); @@ -186,6 +170,7 @@ void main() 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)) { @@ -216,13 +201,8 @@ void main() { lit = nl * 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; - + dlit = getProjectedLightDiffuseColor( l_dist, proj_tc.xy ); + final_color = dlit*lit*diffuse*shadow; // unshadowed for consistency between forward and deferred? @@ -240,7 +220,6 @@ void main() final_color += amb_da*color.rgb*diffuse.rgb*amb_plcol.rgb*amb_plcol.a; } - if (spec.a > 0.0) { dlit *= min(nl*6.0, 1.0) * dist_atten; diff --git a/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl index e499638991..c9e635ab3f 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl @@ -80,6 +80,8 @@ void calcHalfVectors(vec3 lv, vec3 n, vec3 v, out vec3 h, out vec3 l, out float 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 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); @@ -99,20 +101,6 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) return ret; } -vec4 texture2DLodDiffuse(sampler2D projectionMap, 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; -} - vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); @@ -206,12 +194,7 @@ void main() { lit = nl * 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; + dlit = getProjectedLightDiffuseColor( l_dist, proj_tc.xy ); final_color = dlit*lit*diffuse*shadow; |