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#ifndef ALLOW_INCLUDES
#define ALLOW_INCLUDES
#extension GL_ARB_shading_language_include : enable
#endif
#include "defines.h"
#if USE_CM
#include "cm_helpers.glsl"
#endif
float hash(vec2 p) {
vec3 p3 = fract(vec3(p.xyx) * 1689.1984);
p3 += dot(p3, p3.yzx + 33.33);
return fract((p3.x + p3.y) * p3.z);
}
vec4 blurFinish(vec4 pixColor, vec2 v_texcoord, float noise, float brightness
#if USE_CM
,
int sourceTF, int targetTF, mat3 convertMatrix, vec2 srcTFRange, vec2 dstTFRange
#endif
) {
// noise
float noiseHash = hash(v_texcoord);
float noiseAmount = noiseHash - 0.5;
pixColor.rgb += noiseAmount * noise;
// brightness
pixColor.rgb *= min(1.0, brightness);
#if USE_CM
if (targetTF == CM_TRANSFER_FUNCTION_EXT_LINEAR) {
pixColor = doColorManagement(pixColor, sourceTF, targetTF, convertMatrix, srcTFRange, vec2(0.0, 203.0)); // FIXME wtf
} else {
pixColor = doColorManagement(pixColor, sourceTF, targetTF, convertMatrix, srcTFRange, dstTFRange);
}
#endif
return pixColor;
}
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