23 lines
502 B
GLSL
23 lines
502 B
GLSL
#version 130
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uniform sampler2D tex;
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uniform vec2 pixel;
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// Gaussian separated blur with radius 3.
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in vec2 uv;
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void main()
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{
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vec4 sum = vec4(0.0);
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float X = uv.x;
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float Y = uv.y;
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sum += texture(tex, vec2(X, Y - 3.0 * pixel.y)) * 0.03125;
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sum += texture(tex, vec2(X, Y - 1.3333 * pixel.y)) * 0.328125;
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sum += texture(tex, vec2(X, Y)) * 0.273438;
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sum += texture(tex, vec2(X, Y + 1.3333 * pixel.y)) * 0.328125;
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sum += texture(tex, vec2(X, Y + 3.0 * pixel.y)) * 0.03125;
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gl_FragColor = sum;
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}
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