mirror of https://github.com/ioquake/ioq3.git
71 lines
4.2 KiB
GLSL
71 lines
4.2 KiB
GLSL
uniform sampler2D u_TextureMap;
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uniform vec4 u_Color;
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uniform vec2 u_InvTexRes;
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varying vec2 var_TexCoords;
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void main()
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{
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vec4 color;
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vec2 tc;
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#if 0
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float c[7] = float[7](1.0, 0.9659258263, 0.8660254038, 0.7071067812, 0.5, 0.2588190451, 0.0);
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tc = var_TexCoords + u_InvTexRes * vec2( c[0], c[6]); color = texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[1], c[5]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[2], c[4]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[3], c[3]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[4], c[2]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[5], c[1]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[6], c[0]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[1], -c[5]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[2], -c[4]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[3], -c[3]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[4], -c[2]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[5], -c[1]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[6], -c[0]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[0], c[6]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[1], c[5]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[2], c[4]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[3], c[3]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[4], c[2]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[5], c[1]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[1], -c[5]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[2], -c[4]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[3], -c[3]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[4], -c[2]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[5], -c[1]); color += texture2D(u_TextureMap, tc);
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gl_FragColor = color * 0.04166667 * u_Color;
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#endif
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float c[5] = float[5](1.0, 0.9238795325, 0.7071067812, 0.3826834324, 0.0);
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tc = var_TexCoords + u_InvTexRes * vec2( c[0], c[4]); color = texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[1], c[3]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[2], c[2]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[3], c[1]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[4], c[0]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[1], -c[3]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[2], -c[2]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[3], -c[1]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( c[4], -c[0]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[0], c[4]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[1], c[3]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[2], c[2]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[3], c[1]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[1], -c[3]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[2], -c[2]); color += texture2D(u_TextureMap, tc);
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tc = var_TexCoords + u_InvTexRes * vec2( -c[3], -c[1]); color += texture2D(u_TextureMap, tc);
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gl_FragColor = color * 0.0625 * u_Color;
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}
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