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added Hald CLUT option

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Sasha
2023-07-12 00:47:14 +01:00
parent 17d12e30dc
commit af4c9380c2
5 changed files with 19 additions and 2 deletions
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11
shaders/final.fsh
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@ -7,6 +7,7 @@
varying vec2 texcoord;
uniform sampler2D colortex7;
uniform sampler2D depthtex2; // lut
// uniform sampler2D noisetex;
uniform vec2 texelSize;
uniform float viewWidth;
@ -122,6 +123,16 @@ void main() {
vec3 FINAL_COLOR = clamp(int8Dither(col,texcoord),0.0,1.0);
#ifdef HALD_CLUT
#define LUT_WIDTH 1728
#define LUT_DEPTH 144
FINAL_COLOR = clamp(FINAL_COLOR, 0.0, 0.9999999);
ivec3 rounded = ivec3(FINAL_COLOR * float(LUT_DEPTH));
int index = (rounded.b * LUT_DEPTH * LUT_DEPTH) + (rounded.g * LUT_DEPTH) + rounded.r;
ivec2 sampleCoord = ivec2(index % LUT_WIDTH, index / LUT_WIDTH);
FINAL_COLOR = texelFetch2D(depthtex2, sampleCoord, 0).rgb;
#endif
#ifdef LUMINANCE_CURVE
applyLuminanceCurve(FINAL_COLOR, LOWER_CURVE, UPPER_CURVE);
#endif