mirror of
https://github.com/ZDoom/qzdoom-gpl.git
synced 2024-11-28 06:32:29 +00:00
5849c83028
Added gl_renderbuffers CVAR that disables render buffers Added patch shader support to FShaderProgram Added OpenGL 2 fallback support to render buffers
21 lines
388 B
GLSL
21 lines
388 B
GLSL
|
|
in vec2 TexCoord;
|
|
out vec4 FragColor;
|
|
|
|
uniform sampler2D InputTexture;
|
|
uniform float Gamma;
|
|
uniform float Contrast;
|
|
uniform float Brightness;
|
|
|
|
vec4 ApplyGamma(vec4 c)
|
|
{
|
|
vec3 val = c.rgb * Contrast - (Contrast - 1.0) * 0.5;
|
|
val = pow(val, vec3(1.0 / Gamma));
|
|
val += Brightness * 0.5;
|
|
return vec4(val, c.a);
|
|
}
|
|
|
|
void main()
|
|
{
|
|
FragColor = ApplyGamma(texture(InputTexture, TexCoord));
|
|
}
|