mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-14 06:23:55 +01:00
19 lines
445 B
GLSL
19 lines
445 B
GLSL
//
|
|
// Simple passthrough fragment shader
|
|
//
|
|
varying vec2 v_vTexcoord;
|
|
varying vec4 v_vColour;
|
|
|
|
uniform float brightness;
|
|
uniform float contrast;
|
|
|
|
void main() {
|
|
vec4 col = v_vColour * texture2D( gm_BaseTexture, v_vTexcoord );
|
|
vec4 col_b = col + vec4(brightness, brightness, brightness, 0.0);
|
|
vec4 col_bc = vec4(col_b.rgb * contrast, col_b.a);
|
|
|
|
col_bc.rgb = vec3(dot(col_bc.rgb, vec3(0.2126, 0.7152, 0.0722)));
|
|
|
|
gl_FragColor = col_bc;
|
|
}
|