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25 lines
1.1 KiB
25 lines
1.1 KiB
uniform sampler2D source;
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uniform sampler2D bloom;
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uniform vec2 offsetFactor;
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uniform float darkness;
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void main()
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{
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vec2 textureCoordinates = gl_TexCoord[0].xy;
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vec4 color = vec4(0.0);
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color += texture2D(source, textureCoordinates - 4.0 * offsetFactor) * 0.0162162162;
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color += texture2D(source, textureCoordinates - 3.0 * offsetFactor) * 0.0540540541;
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color += texture2D(source, textureCoordinates - 2.0 * offsetFactor) * 0.1216216216;
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color += texture2D(source, textureCoordinates - offsetFactor) * 0.1945945946;
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color += texture2D(source, textureCoordinates) * 0.2270270270;
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color += texture2D(source, textureCoordinates + offsetFactor) * 0.1945945946;
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color += texture2D(source, textureCoordinates + 2.0 * offsetFactor) * 0.1216216216;
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color += texture2D(source, textureCoordinates + 3.0 * offsetFactor) * 0.0540540541;
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color += texture2D(source, textureCoordinates + 4.0 * offsetFactor) * 0.0162162162;
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vec4 sourceFragment = texture2D(source, gl_TexCoord[0].xy);
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vec4 bloomFragment = texture2D(bloom, gl_TexCoord[0].xy);
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float alpha = color.a;
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gl_FragColor = (color + sourceFragment - bloomFragment) * darkness;
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gl_FragColor.a = alpha;
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}
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