Warning, /plasma/kwin/src/plugins/blur/shaders/upsample_core.frag is written in an unsupported language. File is not indexed.
0001 #version 140
0002
0003 uniform sampler2D texUnit;
0004 uniform float offset;
0005 uniform vec2 halfpixel;
0006
0007 in vec2 uv;
0008
0009 out vec4 fragColor;
0010
0011 void main(void)
0012 {
0013 vec4 sum = texture(texUnit, uv + vec2(-halfpixel.x * 2.0, 0.0) * offset);
0014 sum += texture(texUnit, uv + vec2(-halfpixel.x, halfpixel.y) * offset) * 2.0;
0015 sum += texture(texUnit, uv + vec2(0.0, halfpixel.y * 2.0) * offset);
0016 sum += texture(texUnit, uv + vec2(halfpixel.x, halfpixel.y) * offset) * 2.0;
0017 sum += texture(texUnit, uv + vec2(halfpixel.x * 2.0, 0.0) * offset);
0018 sum += texture(texUnit, uv + vec2(halfpixel.x, -halfpixel.y) * offset) * 2.0;
0019 sum += texture(texUnit, uv + vec2(0.0, -halfpixel.y * 2.0) * offset);
0020 sum += texture(texUnit, uv + vec2(-halfpixel.x, -halfpixel.y) * offset) * 2.0;
0021
0022 fragColor = sum / 12.0;
0023 }