raze-gles/wadsrc/static/engine/shaders/pp/exposurecombine.fp
Christoph Oelckers 737bf15ad8 - added GZDoom's postprocessing/presentation code.
Compiles but only draws a black screen. Something must be missing but no idea yet what that might be.
2019-12-28 22:36:47 +01:00

12 lines
355 B
GLSL

layout(location=0) in vec2 TexCoord;
layout(location=0) out vec4 FragColor;
layout(binding=0) uniform sampler2D ExposureTexture;
void main()
{
float light = texture(ExposureTexture, TexCoord).x;
float exposureAdjustment = 1.0 / max(ExposureBase + light * ExposureScale, ExposureMin);
FragColor = vec4(exposureAdjustment, 0.0, 0.0, ExposureSpeed);
}