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33 lines
867 B
33 lines
867 B
#version 100
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precision mediump float;
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// Input vertex attributes (from vertex shader)
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varying vec2 fragTexCoord;
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varying vec4 fragColor;
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// Input uniform values
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uniform sampler2D texture0;
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uniform vec4 fragTintColor;
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// NOTE: Add here your custom variables
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const float renderWidth = 1280;
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const float renderHeight = 720;
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float offset[3] = float[]( 0.0, 1.3846153846, 3.2307692308 );
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float weight[3] = float[]( 0.2270270270, 0.3162162162, 0.0702702703 );
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void main()
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{
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// Texel color fetching from texture sampler
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vec3 tc = texture2D(texture0, fragTexCoord).rgb*weight[0];
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for (int i = 1; i < 3; i++)
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{
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tc += texture2D(texture0, fragTexCoord + vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
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tc += texture2D(texture0, fragTexCoord - vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
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}
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gl_FragColor = vec4(tc, 1.0);
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}
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