v4k-git-backup/demos/art/fx/fxTonemapZZGamma.fs

9 lines
211 B
GLSL

uniform float gamma = 2.2;
out vec4 color;
void main(void) {
vec2 uv = TEXCOORD.st;
vec4 src = texture2D(iChannel0, uv);
color = vec4( pow(src.xyz, vec3(1.0 / gamma)), src.a); // gamma correction
}