9cf6ebb986
Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
16 lines
346 B
GLSL
16 lines
346 B
GLSL
#version {VERSION}
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#ifdef GL_ES
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precision mediump float;
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#endif
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uniform float Blend;
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uniform sampler2D SourceTexture;
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out vec4 fragColor;
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void main()
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{
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vec4 c = texelFetch(SourceTexture, ivec2(gl_FragCoord.xy), 0);
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float lum = 0.5 * (min(c.r, min(c.g, c.b)) + max(c.r, max(c.g, c.b)));
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fragColor = mix(c, vec4(lum, lum, lum, c.a), Blend);
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}
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