23 lines
510 B
GLSL
23 lines
510 B
GLSL
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#version 330 core
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layout(location = 0) in vec4 pos;
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layout(location = 3) in vec4 multiTexCoord0;
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out vec2 texCoord;
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out vec4 posPos;
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uniform mat4 osg_ModelViewProjectionMatrix;
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uniform sampler2D tex;
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const float FXAA_SUBPIX_SHIFT = 1.0/4.0;
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void main()
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{
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gl_Position = osg_ModelViewProjectionMatrix * pos;
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texCoord = multiTexCoord0.st;
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vec2 rcpFrame = 1.0 / textureSize(tex, 0);
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posPos.xy = multiTexCoord0.xy;
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posPos.zw = multiTexCoord0.xy - (rcpFrame * (0.5 + FXAA_SUBPIX_SHIFT));
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}
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