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#version 330
in vec2 texcoord; // texture coordinate of the fragment
uniform sampler2D tex; // texture of the window
// Default window post-processing:
// 1) invert color
// 2) opacity / transparency
// 3) max-brightness clamping
// 4) rounded corners
vec4 default_post_processing(vec4 c);
vec4 window_shader() {
vec4 c = texelFetch(tex, ivec2(texcoord), 0);
float r,g,b;
float greenValue = (sin(texcoord.x) / 14.0) + 1.0;
r = 1.5 * c.r * greenValue;
g = 1.5 * c.g * greenValue;
b = 1.0 * c.b * greenValue;
c = vec4(r, g, b, c.a);
gl_FragColor = c;
return default_post_processing(c);
}
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