23 lines
447 B
GLSL
23 lines
447 B
GLSL
#version 330 core
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in vec2 texCoord;
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out float occlusion;
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uniform sampler2D ssao;
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void main()
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{
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vec2 texelSize = 1.0 / vec2(textureSize(ssao, 0));
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vec2 offset;
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occlusion = 0.0;
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for (int x = -2; x < 2; x++)
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{
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for (int y = -2; y < 2; y++)
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{
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offset = vec2(x, y) * texelSize;
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occlusion += texture(ssao, texCoord + offset).r;
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}
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}
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occlusion = occlusion / (4.0 * 4.0);
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} |