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31 lines
714 B
GLSL
31 lines
714 B
GLSL
#ifdef GL_ES
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#define MED mediump
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#else
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#define MED
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#endif
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attribute vec4 a_position;
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attribute vec2 a_texCoord0;
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uniform vec2 dir;
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uniform vec2 size;
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varying MED vec2 v_texCoords0;
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varying MED vec2 v_texCoords1;
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varying MED vec2 v_texCoords2;
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varying MED vec2 v_texCoords3;
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varying MED vec2 v_texCoords4;
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const vec2 futher = vec2(3.2307692308, 3.2307692308);
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const vec2 closer = vec2(1.3846153846, 1.3846153846);
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void main()
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{
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vec2 sizeAndDir = dir / size;
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vec2 f = futher*sizeAndDir;
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vec2 c = closer*sizeAndDir;
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v_texCoords0 = a_texCoord0 - f;
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v_texCoords1 = a_texCoord0 - c;
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v_texCoords2 = a_texCoord0;
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v_texCoords3 = a_texCoord0 + c;
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v_texCoords4 = a_texCoord0 + f;
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gl_Position = a_position;
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} |