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23 lines
564 B
GLSL
23 lines
564 B
GLSL
#version 330
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in vec2 texcoord;
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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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vec4 window_shader() {
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vec4 c = texelFetch(tex, ivec2(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(0.0, 0.0, 0.0, 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;
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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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// vec4 default_post_processing(vec4 c);
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return c;
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}
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