diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class2')
7 files changed, 62 insertions, 44 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl index e2694e060e..ef35bf3fd7 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl @@ -250,6 +250,9 @@ void main() calcAtmosphericVarsLinear(pos.xyz, norm, light_dir, sunlit, amblit, additive, atten); + vec3 sunlit_linear = srgb_to_linear(sunlit); + vec3 amblit_linear = amblit; + vec3 irradiance; vec3 glossenv; vec3 legacyenv; @@ -266,7 +269,7 @@ void main() color.a = final_alpha; - vec3 sun_contrib = min(final_da, shadow) * sunlit; + vec3 sun_contrib = min(final_da, shadow) * sunlit_linear; color.rgb = max(amblit, irradiance); @@ -274,8 +277,10 @@ void main() color.rgb *= diffuse_linear.rgb; + color.rgb = linear_to_srgb(color.rgb); color.rgb = atmosFragLightingLinear(color.rgb, additive, atten); color.rgb = scaleSoftClipFragLinear(color.rgb); + color.rgb = srgb_to_linear(color.rgb); vec4 light = vec4(0,0,0,0); @@ -294,8 +299,9 @@ void main() color.rgb += light.rgb; #endif // !defined(LOCAL_LIGHT_KILL) + #ifdef WATER_FOG - color = applyWaterFogViewLinear(pos.xyz, color, sunlit); + color = applyWaterFogViewLinear(pos.xyz, color, sunlit_linear); #endif // WATER_FOG #endif // #else // FOR_IMPOSTOR @@ -303,6 +309,7 @@ void main() #ifdef IS_HUD color.rgb = linear_to_srgb(color.rgb); #endif + frag_color = color; } diff --git a/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl index 2a093827cb..fb76db99a0 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl @@ -82,6 +82,8 @@ vec3 srgb_to_linear(vec3 c); vec3 linear_to_srgb(vec3 c); void calcAtmosphericVarsLinear(vec3 inPositionEye, vec3 norm, vec3 light_dir, out vec3 sunlit, out vec3 amblit, out vec3 atten, out vec3 additive); +vec3 atmosFragLightingLinear(vec3 color, vec3 additive, vec3 atten); +vec3 scaleSoftClipFragLinear(vec3 color); 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); @@ -196,6 +198,8 @@ void main() vec3 atten; calcAtmosphericVarsLinear(pos.xyz, norm, light_dir, sunlit, amblit, additive, atten); + vec3 sunlit_linear = srgb_to_linear(sunlit); + vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5; #ifdef HAS_SUN_SHADOW @@ -229,9 +233,14 @@ void main() vec3 v = -normalize(pos.xyz); vec3 spec; - color = pbrBaseLight(diffuseColor, specularColor, metallic, v, norm.xyz, perceptualRoughness, light_dir, sunlit, scol, radiance, irradiance, colorEmissive, ao, additive, atten, spec); + color = pbrBaseLight(diffuseColor, specularColor, metallic, v, norm.xyz, perceptualRoughness, light_dir, sunlit_linear, scol, radiance, irradiance, colorEmissive, ao, additive, atten, spec); glare += max(max(spec.r, spec.g), spec.b); + color.rgb = linear_to_srgb(color.rgb); + color.rgb = atmosFragLightingLinear(color.rgb, additive, atten); + color.rgb = scaleSoftClipFragLinear(color.rgb); + color.rgb = srgb_to_linear(color.rgb); + vec3 light = vec3(0); // Punctual lights diff --git a/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl b/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl index f1ee4b4681..080f622155 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl @@ -34,7 +34,7 @@ uniform mat3 env_mat; vec3 srgb_to_linear(vec3 c); void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, - vec2 tc, vec3 pos, vec3 norm, float glossiness, bool errorCorrect) + vec2 tc, vec3 pos, vec3 norm, float glossiness) { ambenv = vec3(reflection_probe_ambiance * 0.25); @@ -43,11 +43,10 @@ void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, glossenv = srgb_to_linear(textureCube(environmentMap, env_vec).rgb); } -void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, - vec2 tc, vec3 pos, vec3 norm, float glossiness) +void sampleReflectionProbesWater(inout vec3 ambenv, inout vec3 glossenv, + vec2 tc, vec3 pos, vec3 norm, float glossiness) { - sampleReflectionProbes(ambenv, glossenv, - tc, pos, norm, glossiness, false); + sampleReflectionProbes(ambenv, glossenv, tc, pos, norm, glossiness); } vec4 sampleReflectionProbesDebug(vec3 pos) diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl index 6668a00841..1d02498209 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl @@ -33,8 +33,8 @@ vec3 linear_to_srgb(vec3 col); vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten) { light *= atten.r; - light += additive; - return light * 2.0; + light += additive * 2.0; + return light; } vec3 atmosFragLightingLinear(vec3 light, vec3 additive, vec3 atten) diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl index f9f625ecdb..55e1411be2 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl @@ -137,12 +137,15 @@ void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, ou additive = (blue_horizon.rgb * blue_weight.rgb) * (cs + tmpAmbient.rgb) + (haze_horizon * haze_weight.rgb) * (cs * haze_glow + tmpAmbient.rgb); // brightness of surface both sunlight and ambient - sunlit = sunlight.rgb; - amblit = tmpAmbient.rgb; + + // fudge sunlit and amblit to get consistent lighting compared to legacy + // midday before PBR was a thing + sunlit = sunlight.rgb * 0.7; + amblit = tmpAmbient.rgb * 0.25; + additive *= vec3(1.0 - combined_haze); } - vec3 srgb_to_linear(vec3 col); // provide a touch of lighting in the opposite direction of the sun light @@ -150,21 +153,26 @@ vec3 srgb_to_linear(vec3 col); float ambientLighting(vec3 norm, vec3 light_dir) { float ambient = min(abs(dot(norm.xyz, light_dir.xyz)), 1.0); - ambient *= 0.56; + ambient *= 0.5; ambient *= ambient; ambient = (1.0 - ambient); return ambient; } -// return colors in linear space +// return lit amblit in linear space, leave sunlit and additive in sRGB space void calcAtmosphericVarsLinear(vec3 inPositionEye, vec3 norm, vec3 light_dir, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten) { calcAtmosphericVars(inPositionEye, light_dir, 1.0, sunlit, amblit, additive, atten, false); - sunlit = srgb_to_linear(sunlit); - additive = srgb_to_linear(additive); - amblit = ambient_linear; + + // multiply by 2 to get same colors as when the "scaleSoftClip" implementation was doubling color values + // (allows for mixing of light sources other than sunlight e.g. reflection probes) + sunlit *= 2.0; + + // squash ambient to approximate whatever weirdness legacy atmospherics were doing + amblit = ambient_color * 0.5; amblit *= ambientLighting(norm, light_dir); + amblit = srgb_to_linear(amblit); } diff --git a/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl b/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl index 9a9b179e6a..027bfb866f 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl @@ -22,43 +22,34 @@ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ -uniform float gamma; -vec3 getAtmosAttenuation(); -vec3 getAdditiveColor(); + // DEPRECATED -vec3 srgb_to_linear(vec3 col); -vec3 linear_to_srgb(vec3 col); +//soft clip effect has been moved to postDeferredGammaCorrect legacyGamma, this file is effectively dead +// but these functions need to be removed from all existing shaders before removing this file -vec3 scaleSoftClipFragLinear(vec3 light) -{ // identical to non-linear version and that's probably close enough - //soft clip effect: - light = 1. - clamp(light, vec3(0.), vec3(1.)); - light = 1. - pow(light, vec3(gamma)); // s/b inverted already CPU-side +vec3 scaleSoftClipFrag(vec3 light) +{ return light; } -vec3 scaleSoftClipFrag(vec3 light) -{ - //soft clip effect: - light = 1. - clamp(light, vec3(0.), vec3(1.)); - light = 1. - pow(light, vec3(gamma)); // s/b inverted already CPU-side +vec3 scaleSoftClipFragLinear(vec3 light) +{ // identical to non-linear version and that's probably close enough return light; } vec3 scaleSoftClip(vec3 light) { - return scaleSoftClipFrag(light); + return light; } vec3 fullbrightScaleSoftClipFrag(vec3 light, vec3 add, vec3 atten) { - //return mix(scaleSoftClipFrag(light.rgb), add, atten); - return scaleSoftClipFrag(light.rgb); + return light; } vec3 fullbrightScaleSoftClip(vec3 light) { - return fullbrightScaleSoftClipFrag(light, getAdditiveColor(), getAtmosAttenuation()); + return light; } diff --git a/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl b/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl index c509d865ba..6aa719d200 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl @@ -48,23 +48,27 @@ vec3 atmosTransport(vec3 light) vec3 fullbrightAtmosTransportFragLinear(vec3 light, vec3 additive, vec3 atten) { // same as non-linear version, probably fine - float brightness = dot(light.rgb * 0.5, vec3(0.3333)) + 0.1; - return mix(atmosTransportFrag(light.rgb, additive, atten), light.rgb + additive, brightness * brightness); + //float brightness = dot(light.rgb * 0.5, vec3(0.3333)) + 0.1; + //return mix(atmosTransportFrag(light.rgb, additive, atten), light.rgb + additive, brightness * brightness); + return atmosTransportFrag(light, additive, atten); } vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten) { - float brightness = dot(light.rgb * 0.5, vec3(0.3333)) + 0.1; - return mix(atmosTransportFrag(light.rgb, additive, atten), light.rgb + additive, brightness * brightness); + //float brightness = dot(light.rgb * 0.5, vec3(0.3333)) + 0.1; + //return mix(atmosTransportFrag(light.rgb, additive, atten), light.rgb + additive, brightness * brightness); + return atmosTransportFrag(light, additive, atten); } vec3 fullbrightAtmosTransport(vec3 light) { - return fullbrightAtmosTransportFrag(light, getAdditiveColor(), getAtmosAttenuation()); + //return fullbrightAtmosTransportFrag(light, getAdditiveColor(), getAtmosAttenuation()); + return atmosTransport(light); } vec3 fullbrightShinyAtmosTransport(vec3 light) { - float brightness = dot(light.rgb, vec3(0.33333)); - return mix(atmosTransport(light.rgb), (light.rgb + getAdditiveColor().rgb) * (2.0 - brightness), brightness * brightness); + //float brightness = dot(light.rgb, vec3(0.33333)); + //return mix(atmosTransport(light.rgb), (light.rgb + getAdditiveColor().rgb) * (2.0 - brightness), brightness * brightness); + return atmosTransport(light); } |