LNXSDK/leenkx/Shaders/histogram_pass/histogram_pass.frag.glsl

28 lines
557 B
GLSL

#version 450
#include "compiled.inc"
#ifdef _CPostprocess
uniform vec3 PPComp8;
#endif
uniform sampler2D tex;
in vec2 texCoord;
out vec4 fragColor;
void main() {
#ifdef _CPostprocess
fragColor.a = 0.01 * PPComp8.z;
#else
fragColor.a = 0.01 * autoExposureSpeed;
#endif
fragColor.rgb = textureLod(tex, vec2(0.5, 0.5), 0.0).rgb +
textureLod(tex, vec2(0.2, 0.2), 0.0).rgb +
textureLod(tex, vec2(0.8, 0.2), 0.0).rgb +
textureLod(tex, vec2(0.2, 0.8), 0.0).rgb +
textureLod(tex, vec2(0.8, 0.8), 0.0).rgb;
fragColor.rgb /= 5.0;
}