SFML/examples/shader/resources/colorize.sfx
2010-08-19 15:59:24 +00:00

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uniform sampler2D texture;
uniform vec3 color;
void main()
{
vec4 pixel = texture2D(texture, gl_TexCoord[0].xy) * gl_Color;
float gray = pixel.r * 0.39 + pixel.g * 0.50 + pixel.b * 0.11;
gl_FragColor = vec4(gray * color, 1.0) * 0.6 + pixel * 0.4;
gl_FragColor.a = pixel.a;
}