radar-gi/shaders/hello.frag
2024-07-18 20:52:15 +08:00

19 lines
461 B
GLSL

in vec2 vert;
in vec4 color;
out vec4 frag_color;
vec4 linear_to_srgb(vec4 linear_color) {
vec3 linear = linear_color.rgb;
vec3 selector = ceil(linear - 0.0031308);
vec3 less_than_branch = linear * 12.92;
vec3 greater_than_branch = pow(linear, vec3(1.0/2.4)) * 1.055 - 0.055;
return vec4(
mix(less_than_branch, greater_than_branch, selector),
linear_color.a
);
}
void main() {
frag_color = linear_to_srgb(color);
}