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-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/postDeferredTonemap.glsl129
1 files changed, 1 insertions, 128 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredTonemap.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredTonemap.glsl
index fc6d4d7727..c4610bffac 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredTonemap.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredTonemap.glsl
@@ -28,138 +28,11 @@
out vec4 frag_color;
uniform sampler2D diffuseRect;
-uniform sampler2D exposureMap;
-uniform vec2 screen_res;
in vec2 vary_fragcoord;
vec3 linear_to_srgb(vec3 cl);
-
-//===============================================================
-// tone mapping taken from Khronos sample implementation
-//===============================================================
-
-// sRGB => XYZ => D65_2_D60 => AP1 => RRT_SAT
-const mat3 ACESInputMat = mat3
-(
- 0.59719, 0.07600, 0.02840,
- 0.35458, 0.90834, 0.13383,
- 0.04823, 0.01566, 0.83777
-);
-
-
-// ODT_SAT => XYZ => D60_2_D65 => sRGB
-const mat3 ACESOutputMat = mat3
-(
- 1.60475, -0.10208, -0.00327,
- -0.53108, 1.10813, -0.07276,
- -0.07367, -0.00605, 1.07602
-);
-
-// ACES tone map (faster approximation)
-// see: https://knarkowicz.wordpress.com/2016/01/06/aces-filmic-tone-mapping-curve/
-vec3 toneMapACES_Narkowicz(vec3 color)
-{
- const float A = 2.51;
- const float B = 0.03;
- const float C = 2.43;
- const float D = 0.59;
- const float E = 0.14;
- return clamp((color * (A * color + B)) / (color * (C * color + D) + E), 0.0, 1.0);
-}
-
-
-// ACES filmic tone map approximation
-// see https://github.com/TheRealMJP/BakingLab/blob/master/BakingLab/ACES.hlsl
-vec3 RRTAndODTFit(vec3 color)
-{
- vec3 a = color * (color + 0.0245786) - 0.000090537;
- vec3 b = color * (0.983729 * color + 0.4329510) + 0.238081;
- return a / b;
-}
-
-
-// tone mapping
-vec3 toneMapACES_Hill(vec3 color)
-{
- color = ACESInputMat * color;
-
- // Apply RRT and ODT
- color = RRTAndODTFit(color);
-
- color = ACESOutputMat * color;
-
- // Clamp to [0, 1]
- color = clamp(color, 0.0, 1.0);
-
- return color;
-}
-
-// Khronos Neutral tonemapping
-// https://github.com/KhronosGroup/ToneMapping/tree/main
-// Input color is non-negative and resides in the Linear Rec. 709 color space.
-// Output color is also Linear Rec. 709, but in the [0, 1] range.
-vec3 PBRNeutralToneMapping( vec3 color )
-{
- const float startCompression = 0.8 - 0.04;
- const float desaturation = 0.15;
-
- float x = min(color.r, min(color.g, color.b));
- float offset = x < 0.08 ? x - 6.25 * x * x : 0.04;
- color -= offset;
-
- float peak = max(color.r, max(color.g, color.b));
- if (peak < startCompression) return color;
-
- const float d = 1. - startCompression;
- float newPeak = 1. - d * d / (peak + d - startCompression);
- color *= newPeak / peak;
-
- float g = 1. - 1. / (desaturation * (peak - newPeak) + 1.);
- return mix(color, newPeak * vec3(1, 1, 1), g);
-}
-
-uniform float exposure;
-uniform float tonemap_mix;
-uniform int tonemap_type;
-
-vec3 toneMap(vec3 color)
-{
-#ifndef NO_POST
- float exp_scale = texture(exposureMap, vec2(0.5,0.5)).r;
-
- color *= exposure * exp_scale;
-
- vec3 clamped_color = clamp(color.rgb, vec3(0.0), vec3(1.0));
-
- switch(tonemap_type)
- {
- case 0:
- color = PBRNeutralToneMapping(color);
- break;
- case 1:
- color = toneMapACES_Hill(color);
- break;
- }
-
- // mix tonemapped and linear here to provide adjustment
- color = mix(clamped_color, color, tonemap_mix);
-#endif
-
- return color;
-}
-
-//===============================================================
-
-void debugExposure(inout vec3 color)
-{
- float exp_scale = texture(exposureMap, vec2(0.5,0.5)).r;
- exp_scale *= 0.5;
- if (abs(vary_fragcoord.y-exp_scale) < 0.01 && vary_fragcoord.x < 0.1)
- {
- color = vec3(1,0,0);
- }
-}
+vec3 toneMap(vec3 color);
void main()
{