| #version 330 |
| |
| in vec3 texCoord0; |
| out vec4 fragColor; |
| uniform samplerCube skyboxTexture; |
| |
| // Gamma correction |
| uniform float gamma = 2.2; |
| |
| uniform float gammaStrength; |
| |
| vec3 gammaCorrect(const in vec3 color) |
| { |
| return pow(color, vec3(1.0 / gamma)); |
| } |
| |
| void main() |
| { |
| vec4 baseColor = texture(skyboxTexture, texCoord0); |
| vec4 gammaColor = vec4(gammaCorrect(baseColor.rgb), 1.0); |
| // This is an odd way to enable or not gamma correction, |
| // but this is a way to avoid branching until we can generate shaders |
| fragColor = mix(baseColor, gammaColor, gammaStrength); |
| } |
