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a991fe8e4d
git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1550 4e206d99-4929-0410-ac5d-dfc041789085
21 lines
867 B
Plaintext
21 lines
867 B
Plaintext
uniform sampler2D texture;
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uniform float offset;
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void main()
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{
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vec2 offx = vec2(offset, 0.0);
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vec2 offy = vec2(0.0, offset);
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vec4 pixel = texture2D(texture, gl_TexCoord[0].xy) * 1 +
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texture2D(texture, gl_TexCoord[0].xy - offx) * 2 +
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texture2D(texture, gl_TexCoord[0].xy + offx) * 2 +
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texture2D(texture, gl_TexCoord[0].xy - offy) * 2 +
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texture2D(texture, gl_TexCoord[0].xy + offy) * 2 +
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texture2D(texture, gl_TexCoord[0].xy - offx - offy) * 1 +
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texture2D(texture, gl_TexCoord[0].xy - offx + offy) * 1 +
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texture2D(texture, gl_TexCoord[0].xy + offx - offy) * 1 +
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texture2D(texture, gl_TexCoord[0].xy + offx + offy) * 1;
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gl_FragColor = gl_Color * (pixel / 13.0);
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}
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