mirror of
https://github.com/sahinakkaya/dotfiles.git
synced 2024-11-14 04:59:36 +01:00
19 lines
447 B
GLSL
19 lines
447 B
GLSL
//
|
|
// Example grayscale shader.
|
|
//
|
|
|
|
precision mediump float;
|
|
varying vec2 v_texcoord;
|
|
uniform sampler2D tex;
|
|
|
|
void main() {
|
|
vec4 pixColor = texture2D(tex, v_texcoord);
|
|
|
|
gl_FragColor = vec4(
|
|
pixColor[0] * 0.299 + pixColor[1] * 0.587 + pixColor[2] * 0.114,
|
|
pixColor[0] * 0.299 + pixColor[1] * 0.587 + pixColor[2] * 0.114,
|
|
pixColor[0] * 0.299 + pixColor[1] * 0.587 + pixColor[2] * 0.114,
|
|
pixColor[3]
|
|
);
|
|
}
|