23 lines
449 B
Text
23 lines
449 B
Text
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//this shader is applies gamma/contrast/brightness to the source image, and dumps it out.
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varying vec2 tc;
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varying vec4 vc;
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#ifdef VERTEX_SHADER
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attribute vec2 v_texcoord;
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attribute vec4 v_colour;
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void main ()
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{
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tc = v_texcoord;
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vc = v_colour;
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gl_Position = ftetransform();
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}
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#endif
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#ifdef FRAGMENT_SHADER
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uniform sampler2D s_t0;
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void main ()
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{
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gl_FragColor = pow(texture2D(s_t0, tc) * vc.g, vec4(vc.r)) + vc.b;
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}
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#endif
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