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29 lines
953 B
GLSL
29 lines
953 B
GLSL
#version 120
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uniform sampler2D DiffuseSampler;
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varying vec2 texCoord;
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varying vec2 oneTexel;
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uniform vec2 InSize;
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uniform vec3 ConvergeX = vec3(-1.0, 0.0, 0.5);
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uniform vec3 ConvergeY = vec3( 0.0, -1.0, 0.5);
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uniform vec3 RadialConvergeX = vec3(1.0, 1.0, 1.0);
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uniform vec3 RadialConvergeY = vec3(1.0, 1.0, 1.0);
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void main() {
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vec3 CoordX = texCoord.x * RadialConvergeX;
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vec3 CoordY = texCoord.y * RadialConvergeY;
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CoordX += ConvergeX * oneTexel.x - (RadialConvergeX - 1.0) * 0.5;
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CoordY += ConvergeY * oneTexel.y - (RadialConvergeY - 1.0) * 0.5;
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float RedValue = texture2D(DiffuseSampler, vec2(CoordX.x, CoordY.x)).r;
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float GreenValue = texture2D(DiffuseSampler, vec2(CoordX.y, CoordY.y)).g;
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float BlueValue = texture2D(DiffuseSampler, vec2(CoordX.z, CoordY.z)).b;
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float AlphaValue = texture2D(DiffuseSampler, texCoord).a;
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gl_FragColor = vec4(RedValue, GreenValue, BlueValue, AlphaValue);
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}
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