diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl index 998ebf8836..56aa8437de 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl @@ -27,6 +27,10 @@ #define PBR_USE_IBL 1 #define PBR_USE_SUN 1 +#define PBR_USE_LINEAR_ALBEDO 1 +#define PBR_USE_DEFAULT_IRRADIANCE 0 // PBR: irradiance, skins/default/textures/default_irradiance.png +#define PBR_USE_IRRADIANCE_HACK 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 @@ -135,6 +139,9 @@ uniform sampler2DRect diffuseRect; uniform sampler2DRect specularRect; uniform sampler2DRect normalMap; uniform sampler2DRect emissiveRect; // PBR linear packed Occlusion, Roughness, Metal. See: pbropaqueF.glsl +uniform sampler2D altDiffuseMap; // PBR: irradiance, skins/default/textures/default_irradiance.png + +const float M_PI = 3.14159265; #if defined(HAS_SUN_SHADOW) || defined(HAS_SSAO) uniform sampler2DRect lightMap; @@ -295,7 +302,11 @@ void main() float bv = clamp(dot(b,v),0,1); // Reference: getMetallicRoughnessInfo +#if PBR_USE_LINEAR_ALBEDO + vec3 base = diffuse.rgb; +#else vec3 base = linear_to_srgb(diffuse.rgb); +#endif float perceptualRough = max(packedORM.g, 0.1); vec3 c_diff, reflect0, reflect90; float alphaRough, specWeight; @@ -321,7 +332,14 @@ void main() #if DEBUG_PBR_IRRADIANCE_RAW vec3 debug_irradiance = irradiance; #endif + +#if PBR_USE_DEFAULT_IRRADIANCE + vec2 iruv = vec2(0.5f + 0.5f * atan(reflectVN.z, reflectVN.x) / M_PI, 1.f - acos(reflectVN.y) / M_PI); + irradiance = texture2D(altDiffuseMap, iruv).rgb * ambocc; +#endif +#if PBR_USE_IRRADIANCE_HACK irradiance = max(amblit,irradiance) * ambocc; +#endif specLight = srgb_to_linear(specLight); #if DEBUG_PBR_SPECLIGHT051 specLight = vec3(0,0.5,1.0); @@ -365,8 +383,13 @@ void main() #endif // scol = sun shadow vec3 intensity = ambocc * sunColor * nl * scol; +#if PBR_USE_LINEAR_ALBEDO + vec3 sunDiffuse = intensity * BRDFLambertian (reflect0, reflect90, c_diff , specWeight, vh); + vec3 sunSpec = intensity * BRDFSpecularGGX(reflect0, reflect90, alphaRough, specWeight, vh, nl, nv, nh); +#else vec3 sunDiffuse = base * intensity * BRDFLambertian (reflect0, reflect90, c_diff , specWeight, vh); vec3 sunSpec = intensity * BRDFSpecularGGX(reflect0, reflect90, alphaRough, specWeight, vh, nl, nv, nh); +#endif bloom = dot(sunSpec, sunSpec) / (scale * scale * scale); #if DEBUG_PBR_SUN_SPEC_FRESNEL @@ -577,9 +600,11 @@ void main() #endif #if DEBUG_PBR_IRRADIANCE_RAW color.rgb = debug_irradiance; + bloom = 0; #endif #if DEBUG_PBR_IRRADIANCE color.rgb = irradiance; + bloom = 0; #endif #if DEBUG_PBR_KSPEC color.rgb = kSpec; @@ -633,6 +658,7 @@ void main() #if DEBUG_PBR_LIGHT_TYPE color.rgb = vec3(0); #endif + frag_color.rgb = color.rgb; // PBR is done in linear } else |