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https://git.code.sf.net/p/quake/quakeforge
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db6c76d583
At least for now, it is more trouble than it is worth as it (or my implementation of it) breaks lavapipe and renderdoc.
20 lines
303 B
GLSL
20 lines
303 B
GLSL
#version 450
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layout (location = 0) in vec4 uv_tr;
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layout (location = 1) in vec4 color;
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layout (location = 0) out vec4 frag_color;
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void
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main (void)
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{
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vec4 c = color;
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vec2 x = uv_tr.xy;
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float a = 1 - dot (x, x);
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if (a <= 0) {
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discard;
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}
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c.a *= sqrt (a);
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frag_color = c;
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}
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