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comparison shaders/crt.f.glsl @ 1439:7da675d0c512

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Small fix submitted by Anaël Seghezzi to his subtle crt shader
author Michael Pavone <pavone@retrodev.com>
date Thu, 24 Aug 2017 00:02:16 -0700
parents 4942da159194
children f3cca4b3f17a
comparison
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1438:e2bd03ed3190 1439:7da675d0c512
48 } 48 }
49 49
50 vec2 texco = monitorcoord * vec2(width/1024.0, height/-1024.0) + vec2(width/1024.0, height/1024.0); 50 vec2 texco = monitorcoord * vec2(width/1024.0, height/-1024.0) + vec2(width/1024.0, height/1024.0);
51 51
52 // mask 52 // mask
53 float maskx = 1.0 - pow(monitorcoord.x, 200.0); 53 float maskx = 1.0 - pow(abs(monitorcoord.x), 200.0);
54 float masky = 1.0 - pow(-monitorcoord.y, 200.0); 54 float masky = 1.0 - pow(abs(-monitorcoord.y), 200.0);
55 float mask = clamp(maskx * masky, 0.0, 1.0); 55 float mask = clamp(maskx * masky, 0.0, 1.0);
56 56
57 // sharp texcoord 57 // sharp texcoord
58 vec2 texco_sharp0 = sharp_coord(texco, vec2(512.0, 512.0), vec2(4.0, 8.0)); 58 vec2 texco_sharp0 = sharp_coord(texco, vec2(512.0, 512.0), vec2(4.0, 8.0));
59 vec2 texco_sharp1 = sharp_coord(texco - vec2(0.0, 1.0 / 1024.0), vec2(512.0, 512.0), vec2(4.0, 8.0)); 59 vec2 texco_sharp1 = sharp_coord(texco - vec2(0.0, 1.0 / 1024.0), vec2(512.0, 512.0), vec2(4.0, 8.0));