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https://github.com/ZDoom/qzdoom-gpl.git
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14 lines
265 B
Text
14 lines
265 B
Text
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in vec2 TexCoord;
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out vec4 FragColor;
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uniform sampler2D SceneTexture;
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uniform vec2 Scale;
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uniform vec2 Offset;
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void main()
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{
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vec4 color = texture(SceneTexture, Offset + TexCoord * Scale);
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FragColor = vec4(max(max(color.r, color.g), color.b), 0.0, 0.0, 1.0);
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}
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