Бычков Андрей
ba8bc27298
git-svn-id: svn://db.shs.com.ru/libs@1 a8b55f48-bf90-11e4-a774-851b48703e85
31 lines
1.1 KiB
GLSL
31 lines
1.1 KiB
GLSL
#version 130
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uniform sampler2D t0;
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uniform vec2 vsize;
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void main(void) {
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vec2 tc = gl_TexCoord[0].xy, dt = 2. / vsize, dt2 = dt + dt;
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gl_FragColor = (texture2D(t0, tc) * 3. +
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textureOffset(t0, tc, ivec2(1, 0)) * 2. +
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textureOffset(t0, tc, ivec2(0, 1)) * 2. +
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textureOffset(t0, tc, ivec2(-1, 0)) * 2. +
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textureOffset(t0, tc, ivec2(0, -1)) * 2. +
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textureOffset(t0, tc, ivec2(1, 1)) * 1.5 +
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textureOffset(t0, tc, ivec2(1, -1)) * 1.5 +
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textureOffset(t0, tc, ivec2(-1, -1)) * 1.5 +
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textureOffset(t0, tc, ivec2(-1, 1)) * 1.5 +
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textureOffset(t0, tc, ivec2(2, 0)) +
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textureOffset(t0, tc, ivec2(0, 2)) +
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textureOffset(t0, tc, ivec2(-2, 0)) +
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textureOffset(t0, tc, ivec2(0, -2)) +
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textureOffset(t0, tc, ivec2(2, 1)) +
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textureOffset(t0, tc, ivec2(2, -1)) +
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textureOffset(t0, tc, ivec2(-2, -1)) +
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textureOffset(t0, tc, ivec2(-2, 1)) +
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textureOffset(t0, tc, ivec2(1, 2)) +
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textureOffset(t0, tc, ivec2(1, -2)) +
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textureOffset(t0, tc, ivec2(-1, -2)) +
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textureOffset(t0, tc, ivec2(-1, 2))) / 29.;
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//gl_FragColor = texture2D(t0, tc);
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}
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