27 lines
453 B
Plaintext
27 lines
453 B
Plaintext
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#version 460 core
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uniform int samples;
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uniform sampler2D tex;
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in vec2 texPos;
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out vec4 FragColour;
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void main()
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{
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vec2 texel_size = 1.f / vec2(textureSize(tex, 0));
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float samples_n = pow(samples * 2 + 1, 2);
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vec4 colour;
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for(int x = -samples; x <= samples; x++)
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for(int y = -samples; y <= samples; y++)
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{
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vec2 off = texel_size * vec2(x, y);
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colour += texture2D(tex, texPos + off);
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}
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FragColour = vec4((colour / samples_n).rgb, 1);
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}
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