47d7f4fdd4
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@15028 178a84e3-b1eb-0310-8ba1-8eac791a3b58
30 lines
410 B
GLSL
30 lines
410 B
GLSL
#version 130
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uniform sampler2D tex;
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uniform sampler2D dtex;
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uniform int viz;
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in vec2 uv;
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void main()
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{
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vec2 tc = uv;
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vec4 shiftval = texture2D(dtex, tc) / vec4(50.0);
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vec2 shift;
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shift.x = -shiftval.x + shiftval.y;
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shift.y = -shiftval.z + shiftval.w;
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tc += shift;
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vec4 newcol = texture2D(tex, tc);
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if (viz < 1)
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{
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gl_FragColor = newcol;
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} else
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{
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gl_FragColor = shiftval * vec4(50.0);
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}
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}
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