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annotate shaders/crt.v.glsl @ 1394:ae3b1721b226

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Small fix to handling of the "bus" option in a RAM type ROM DB memory map
author Michael Pavone <pavone@retrodev.com>
date Mon, 05 Jun 2017 23:03:46 -0700
parents 4942da159194
children f3cca4b3f17a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1392
4942da159194 Added a "subtle" CRT shader contributed by Anael Seghezzi
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1 #version 110
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2
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3 attribute vec2 pos;
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4 varying vec2 texcoord;
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5 varying vec2 screencoord;
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6 uniform float width, height;
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7
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8 void main()
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9 {
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10 gl_Position = vec4(pos, 0.0, 1.0);
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11 texcoord = sign(pos) * vec2(width/1024.0, height/-1024.0) + vec2(width/1024.0, height/1024.0);
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12 screencoord = sign(pos);
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13 }