mirror of
https://github.com/RetroDECK/ES-DE.git
synced 2024-11-27 00:25:38 +00:00
37 lines
680 B
Plaintext
37 lines
680 B
Plaintext
|
//
|
||
|
|
// dim.glsl
|
||
|
|
//
|
||
|
|
// Dims textures.
|
||
|
|
// The uniform variable 'dimValue' sets the amount of dimming.
|
||
|
|
// Setting this to the value 0 results in a completely black screen.
|
||
|
|
//
|
||
|
|
|
||
|
|
#if defined(VERTEX)
|
||
|
|
// Vertex section of code:
|
||
|
|
|
||
|
|
uniform mat4 MVPMatrix;
|
||
|
|
varying vec2 vTexCoord;
|
||
|
|
|
||
|
|
void main(void)
|
||
|
|
{
|
||
|
|
vTexCoord = gl_MultiTexCoord0.xy;
|
||
|
|
gl_Position = MVPMatrix * gl_Vertex;
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(FRAGMENT)
|
||
|
|
// Fragment section of code:
|
||
|
|
|
||
|
|
uniform float dimValue = 0.4;
|
||
|
|
uniform sampler2D myTexture;
|
||
|
|
varying vec2 vTexCoord;
|
||
|
|
|
||
|
|
void main()
|
||
|
|
{
|
||
|
|
vec4 dimColor = vec4(dimValue, dimValue, dimValue, 1.0);
|
||
|
|
vec4 color = texture2D(myTexture, vTexCoord) * dimColor;
|
||
|
|
|
||
|
|
gl_FragColor = color;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|