19 lines
459 B
Plaintext
19 lines
459 B
Plaintext
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#version 120
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uniform int algo;
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uniform sampler2DRect tex0;
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void main() {
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if(algo == 4) {
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vec4 color = texture2DRect(tex0, gl_TexCoord[0].st);
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float luminance = 0.3f * color.x + 0.59 * color.y + 0.11 * color.z;
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//gl_FragColor = vec4(luminance, luminance, luminance, 1.0f);
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gl_FragColor = vec4(1.0f, 1.0f, 1.0f, 0.5f);
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return;
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}
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gl_FragColor = texture2DRect(tex0, gl_TexCoord[0].st);
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}
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