diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred')
5 files changed, 40 insertions, 222 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl index bd5e9dd758..0fad5b4b50 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl @@ -10,13 +10,11 @@ uniform sampler2DRect depthMap; uniform sampler2DRect normalMap; uniform sampler2DRect lightMap; -uniform sampler2DRect giLightMap; uniform float dist_factor; uniform float blur_size; uniform vec2 delta; -uniform vec3 kern[32]; -uniform int kern_length; +uniform vec3 kern[4]; uniform float kern_scale; varying vec2 vary_fragcoord; @@ -50,7 +48,7 @@ void main() vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free' vec4 col = defined_weight.xyxx * ccol; - for (int i = 1; i < kern_length; i++) + for (int i = 1; i < 4; i++) { vec2 tc = vary_fragcoord.xy + kern[i].z*dlt; vec3 samppos = getPosition(tc).xyz; @@ -61,12 +59,22 @@ void main() defined_weight += kern[i].xy; } } + for (int i = 1; i < 4; i++) + { + vec2 tc = vary_fragcoord.xy - kern[i].z*dlt; + vec3 samppos = getPosition(tc).xyz; + float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane + if (d*d <= 0.003) + { + col += texture2DRect(lightMap, tc)*kern[i].xyxx; + defined_weight += kern[i].xy; + } + } col /= defined_weight.xyxx; gl_FragColor = col; - - //gl_FragColor = ccol; } + diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index 2c8d90d1a6..82e9450e68 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -7,6 +7,8 @@ #version 120 +//class 1 -- no shadows + #extension GL_ARB_texture_rectangle : enable uniform sampler2DRect diffuseRect; @@ -14,7 +16,6 @@ uniform sampler2DRect specularRect; uniform sampler2DRect depthMap; uniform sampler2DRect normalMap; uniform samplerCube environmentMap; -uniform sampler2DRect lightMap; uniform sampler2D noiseMap; uniform sampler2D lightFunc; uniform sampler2D projectionMap; diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl index b4b0d0ce9d..9cf60aad48 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl @@ -11,6 +11,7 @@ uniform sampler2DRect diffuseRect; uniform sampler2DRect specularRect; uniform sampler2DRect positionMap; uniform sampler2DRect normalMap; +uniform sampler2DRect lightMap; uniform sampler2DRect depthMap; uniform sampler2D noiseMap; uniform samplerCube environmentMap; @@ -40,7 +41,7 @@ uniform float scene_light_strength; uniform vec3 env_mat[3]; //uniform mat4 shadow_matrix[3]; //uniform vec4 shadow_clip; -//uniform mat3 ssao_effect_mat; +uniform mat3 ssao_effect_mat; varying vec4 vary_light; varying vec2 vary_fragcoord; @@ -178,7 +179,17 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) { temp2.x += .25; //increase ambient when there are more clouds - vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow.x * 0.5; + vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow.x * 0.5; + + /* decrease value and saturation (that in HSV, not HSL) for occluded areas + * // for HSV color/geometry used here, see http://gimp-savvy.com/BOOK/index.html?node52.html + * // The following line of code performs the equivalent of: + * float ambAlpha = tmpAmbient.a; + * float ambValue = dot(vec3(tmpAmbient), vec3(0.577)); // projection onto <1/rt(3), 1/rt(3), 1/rt(3)>, the neutral white-black axis + * vec3 ambHueSat = vec3(tmpAmbient) - vec3(ambValue); + * tmpAmbient = vec4(RenderSSAOEffect.valueFactor * vec3(ambValue) + RenderSSAOEffect.saturationFactor *(1.0 - ambFactor) * ambHueSat, ambAlpha); + */ + tmpAmbient = vec4(mix(ssao_effect_mat * tmpAmbient.rgb, tmpAmbient.rgb, ambFactor), tmpAmbient.a); //haze color setAdditiveColor( @@ -250,10 +261,14 @@ void main() vec4 diffuse = texture2DRect(diffuseRect, tc); vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); - calcAtmospherics(pos.xyz, 0.0); + vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; + float scol = max(scol_ambocc.r, diffuse.a); + float ambocc = scol_ambocc.g; + + calcAtmospherics(pos.xyz, ambocc); vec3 col = atmosAmbient(vec3(0)); - col += atmosAffectDirectionalLight(clamp(da, diffuse.a, 1.0)); + col += atmosAffectDirectionalLight(max(min(da, scol), diffuse.a)); col *= diffuse.rgb; @@ -261,12 +276,12 @@ void main() { vec3 ref = normalize(reflect(pos.xyz, norm.xyz)); float sa = dot(ref, vary_light.xyz); - col.rgb += vary_SunlitColor*spec.rgb*texture2D(lightFunc, vec2(sa, spec.a)).a; + col.rgb += vary_SunlitColor*scol_ambocc.r*spec.rgb*texture2D(lightFunc, vec2(sa, spec.a)).a; } col = atmosLighting(col); col = scaleSoftClip(col); - + gl_FragColor.rgb = col; gl_FragColor.a = 0.0; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl index 2a7234fd83..f320dbb400 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl @@ -161,17 +161,6 @@ void main() } } - /*if (spec.a > 0.0) - { - //vec3 ref = reflect(normalize(pos), norm); - float sa = dot(normalize(lv-normalize(pos)),norm);; - //sa = max(sa, 0.0); - //sa = pow(sa, 128.0 * spec.a*spec.a/dist_atten)*min(dist_atten*4.0, 1.0); - sa = texture2D(lightFunc, vec2(sa, spec.a)).a * min(dist_atten*4.0, 1.0); - sa *= noise; - col += da*sa*lcol*spec.rgb; - }*/ - gl_FragColor.rgb = col; gl_FragColor.a = 0.0; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl index fafc2ae3cc..56e4055c02 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl @@ -5,206 +5,11 @@ * $License$ */ -#extension GL_ARB_texture_rectangle : enable - -uniform sampler2DRect depthMap; -uniform sampler2DRect normalMap; -uniform sampler2DRectShadow shadowMap0; -uniform sampler2DRectShadow shadowMap1; -uniform sampler2DRectShadow shadowMap2; -uniform sampler2DRectShadow shadowMap3; -uniform sampler2DRectShadow shadowMap4; -uniform sampler2DRectShadow shadowMap5; -uniform sampler2D noiseMap; - -uniform sampler2D lightFunc; - - -// Inputs -uniform mat4 shadow_matrix[6]; -uniform vec4 shadow_clip; -uniform float ssao_radius; -uniform float ssao_max_radius; -uniform float ssao_factor; -uniform float ssao_factor_inv; - -varying vec2 vary_fragcoord; -varying vec4 vary_light; - -uniform mat4 inv_proj; -uniform vec2 screen_res; - -uniform float shadow_bias; -uniform float shadow_offset; - -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).a; - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - 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; -} +//class 1, no shadow, no SSAO, should never be called -//calculate decreases in ambient lighting when crowded out (SSAO) -float calcAmbientOcclusion(vec4 pos, vec3 norm) -{ - float ret = 1.0; - - float dist = dot(pos.xyz,pos.xyz); - - if (dist < 64.0*64.0) - { - vec2 kern[8]; - // exponentially (^2) distant occlusion samples spread around origin - kern[0] = vec2(-1.0, 0.0) * 0.125*0.125; - kern[1] = vec2(1.0, 0.0) * 0.250*0.250; - kern[2] = vec2(0.0, 1.0) * 0.375*0.375; - kern[3] = vec2(0.0, -1.0) * 0.500*0.500; - kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625; - kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750; - kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875; - kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000; - - vec2 pos_screen = vary_fragcoord.xy; - vec3 pos_world = pos.xyz; - vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy; - - float angle_hidden = 0.0; - int 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?) - for (int i = 0; i < 8; i++) - { - vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect); - vec3 samppos_world = getPosition(samppos_screen).xyz; - - vec3 diff = pos_world - samppos_world; - float dist2 = dot(diff, diff); - - // assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area - // --> solid angle shrinking by the square of distance - //radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2 - //(k should vary inversely with # of samples, but this is taken care of later) - - //if (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) // -0.05*norm to shift sample point back slightly for flat surfaces - // angle_hidden += min(1.0/dist2, ssao_factor_inv); // dist != 0 follows from conditional. max of 1.0 (= ssao_factor_inv * ssao_factor) - angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv); - - // 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" - points = points + int(diff.z > -1.0); - } - - angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0); - - ret = (1.0 - (float(points != 0) * angle_hidden)); - ret += max((dist-32.0*32.0)/(32.0*32.0), 0.0); - } - - return min(ret, 1.0); -} +#extension GL_ARB_texture_rectangle : enable void main() { - vec2 pos_screen = vary_fragcoord.xy; - - //try doing an unproject here - - vec4 pos = getPosition(pos_screen); - - vec3 norm = texture2DRect(normalMap, pos_screen).xyz*2.0-1.0; - - /*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL - { - gl_FragColor = vec4(0.0); // doesn't matter - return; - }*/ - - float shadow = 1.0; - float dp_directional_light = max(0.0, dot(norm, vary_light.xyz)); - - vec4 spos = vec4(pos.xyz + norm.xyz * (-pos.z/64.0*shadow_offset+shadow_bias), 1.0); - - //vec3 debug = vec3(0,0,0); - - if (dp_directional_light == 0.0) - { - // if we know this point is facing away from the sun then we know it's in shadow without having to do a squirrelly shadow-map lookup - shadow = 0.0; - } - else if (spos.z > -shadow_clip.w) - { - vec4 lpos; - - if (spos.z < -shadow_clip.z) - { - lpos = shadow_matrix[3]*spos; - lpos.xy *= screen_res; - shadow = shadow2DRectProj(shadowMap3, lpos).x; - shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); - } - else if (spos.z < -shadow_clip.y) - { - lpos = shadow_matrix[2]*spos; - lpos.xy *= screen_res; - shadow = shadow2DRectProj(shadowMap2, lpos).x; - } - else if (spos.z < -shadow_clip.x) - { - lpos = shadow_matrix[1]*spos; - lpos.xy *= screen_res; - shadow = shadow2DRectProj(shadowMap1, lpos).x; - } - else - { - lpos = shadow_matrix[0]*spos; - lpos.xy *= screen_res; - shadow = shadow2DRectProj(shadowMap0, lpos).x; - } - - // take the most-shadowed value out of these two: - // * the blurred sun shadow in the light (shadow) map - // * an unblurred dot product between the sun and this norm - // the goal is to err on the side of most-shadow to fill-in shadow holes and reduce artifacting - shadow = min(shadow, dp_directional_light); - - /*debug.r = lpos.y / (lpos.w*screen_res.y); - - lpos.xy /= lpos.w*32.0; - if (fract(lpos.x) < 0.1 || fract(lpos.y) < 0.1) - { - debug.gb = vec2(0.5, 0.5); - } - - debug += (1.0-shadow)*0.5;*/ - - } - else - { - // more distant than the shadow map covers - just use directional shading as shadow - shadow = dp_directional_light; - } - - gl_FragColor[0] = shadow; - gl_FragColor[1] = calcAmbientOcclusion(pos, norm); - - //spotlight shadow 1 - vec4 lpos = shadow_matrix[4]*spos; - lpos.xy *= screen_res; - gl_FragColor[2] = shadow2DRectProj(shadowMap4, lpos).x; - - //spotlight shadow 2 - lpos = shadow_matrix[5]*spos; - lpos.xy *= screen_res; - gl_FragColor[3] = shadow2DRectProj(shadowMap5, lpos).x; - - //gl_FragColor.rgb = pos.xyz; - //gl_FragColor.b = shadow; - //gl_FragColor.rgb = debug; + gl_FragColor = vec4(0,0,0,0); } |