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20 lines
487 B
Text
20 lines
487 B
Text
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uniform float opacity;
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uniform bool invert_color;
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uniform sampler2D tex;
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void main() {
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vec4 c = texture2D(tex, gl_TexCoord[0]);
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{
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// Change vec4(1.0, 1.0, 1.0, 1.0) to your desired color
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vec4 vdiff = abs(vec4(1.0, 1.0, 1.0, 1.0) - c);
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float diff = max(max(max(vdiff.r, vdiff.g), vdiff.b), vdiff.a);
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// Change 0.8 to your desired opacity
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if (diff < 0.001)
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c *= 0.8;
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}
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if (invert_color)
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c = vec4(vec3(c.a, c.a, c.a) - vec3(c), c.a);
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c *= opacity;
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gl_FragColor = c;
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}
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