axmol/tests/cpp-tests/Resources/Shaders/example_sepia.fsh

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2014-05-15 07:55:57 +08:00
#ifdef GL_ES
precision mediump float;
#endif
varying vec4 v_fragmentColor;
varying vec2 v_texCoord;
void main(void)
{
vec4 c = texture2D(CC_Texture0, v_texCoord);
vec4 final = c;
final.r = (c.r * 0.393) + (c.g * 0.769) + (c.b * 0.189);
final.g = (c.r * 0.349) + (c.g * 0.686) + (c.b * 0.168);
final.b = (c.r * 0.272) + (c.g * 0.534) + (c.b * 0.131);
gl_FragColor = final;
}