27 lines
806 B
Plaintext
Executable File
27 lines
806 B
Plaintext
Executable File
// by guest(r) - guest.r@gmail.com
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// license: GNU-GPL
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uniform vec4 OGL2Param;
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uniform vec4 OGL2Size;
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void main()
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{
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float x = (OGL2Size.x/2048.0)*OGL2Param.x;
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float y = (OGL2Size.y/1024.0)*OGL2Param.y;
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vec2 dg1 = vec2( x,y);
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vec2 dg2 = vec2(-x,y);
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vec2 dx = vec2(x,0.0);
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vec2 dy = vec2(0.0,y);
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gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
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gl_TexCoord[0] = gl_MultiTexCoord0;
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gl_TexCoord[6].zw= gl_MultiTexCoord1.xy;
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gl_TexCoord[1].xy = gl_TexCoord[0].xy - dy;
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gl_TexCoord[2].xy = gl_TexCoord[0].xy + dy;
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gl_TexCoord[3].xy = gl_TexCoord[0].xy - dx;
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gl_TexCoord[4].xy = gl_TexCoord[0].xy + dx;
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gl_TexCoord[5].xy = gl_TexCoord[0].xy - dg1;
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gl_TexCoord[6].xy = gl_TexCoord[0].xy + dg1;
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gl_TexCoord[1].zw = gl_TexCoord[0].xy - dg2;
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gl_TexCoord[2].zw = gl_TexCoord[0].xy + dg2;
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}
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