22 lines
652 B
GLSL
22 lines
652 B
GLSL
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uniform sampler2D tex;
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uniform vec2 pixel;
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// Gaussian separated blur with radius 6.
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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 = gl_TexCoord[0].x;
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float Y = gl_TexCoord[0].y;
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sum += texture2D(tex, vec2(X - 5.13333 * pixel.x, Y)) * 0.00640869;
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sum += texture2D(tex, vec2(X - 3.26667 * pixel.x, Y)) * 0.083313;
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sum += texture2D(tex, vec2(X - 1.4 * pixel.x, Y)) * 0.305481;
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sum += texture2D(tex, vec2(X, Y)) * 0.209473;
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sum += texture2D(tex, vec2(X + 1.4 * pixel.x, Y)) * 0.305481;
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sum += texture2D(tex, vec2(X + 3.26667 * pixel.x, Y)) * 0.083313;
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sum += texture2D(tex, vec2(X + 5.13333 * pixel.x, Y)) * 0.00640869;
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gl_FragColor = sum;
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}
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