27 lines
458 B
GLSL
27 lines
458 B
GLSL
#version 430 core
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in VS_OUT {
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vec4 Texture;
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} fs_in;
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layout (location = 0) out vec4 Color;
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layout (r16i, binding = 0) readonly uniform iimageBuffer Image;
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float get_sample(int coordinate)
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{
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int red = imageLoad(Image, coordinate).r;
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return float(red) * (1.0 / 32768.0);
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}
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void main()
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{
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float value = get_sample(int(gl_FragCoord.x));
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float y = -(fs_in.Texture.y * 2 - 1);
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float c = float(abs(y) < abs(value));
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Color = vec4(c, 0, 0, 1);
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}
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