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annotate shaders/crt.v.glsl @ 2005:3ce38692a3f2

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Set initial pan bits in YM2612 register array and not just the separate lr field of the channel. This fixes an issue in which some channels would be silent in VGM log output
author Michael Pavone <pavone@retrodev.com>
date Sun, 11 Oct 2020 22:42:10 -0700
parents f3cca4b3f17a
children
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1392
4942da159194 Added a "subtle" CRT shader contributed by Anael Seghezzi
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1
4942da159194 Added a "subtle" CRT shader contributed by Anael Seghezzi
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2 attribute vec2 pos;
1977
f3cca4b3f17a Allow use of NPOT textures as a config option. Useful for some mobile GPUs
Michael Pavone <pavone@retrodev.com>
parents: 1392
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3 varying mediump vec2 texcoord;
f3cca4b3f17a Allow use of NPOT textures as a config option. Useful for some mobile GPUs
Michael Pavone <pavone@retrodev.com>
parents: 1392
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4 varying mediump vec2 screencoord;
f3cca4b3f17a Allow use of NPOT textures as a config option. Useful for some mobile GPUs
Michael Pavone <pavone@retrodev.com>
parents: 1392
diff changeset
5 uniform mediump float width, height;
f3cca4b3f17a Allow use of NPOT textures as a config option. Useful for some mobile GPUs
Michael Pavone <pavone@retrodev.com>
parents: 1392
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6 uniform mediump vec2 texsize;
1392
4942da159194 Added a "subtle" CRT shader contributed by Anael Seghezzi
Michael Pavone <pavone@retrodev.com>
parents:
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7
4942da159194 Added a "subtle" CRT shader contributed by Anael Seghezzi
Michael Pavone <pavone@retrodev.com>
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8 void main()
4942da159194 Added a "subtle" CRT shader contributed by Anael Seghezzi
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9 {
4942da159194 Added a "subtle" CRT shader contributed by Anael Seghezzi
Michael Pavone <pavone@retrodev.com>
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10 gl_Position = vec4(pos, 0.0, 1.0);
1977
f3cca4b3f17a Allow use of NPOT textures as a config option. Useful for some mobile GPUs
Michael Pavone <pavone@retrodev.com>
parents: 1392
diff changeset
11 texcoord = sign(pos) * vec2(0.5*width/texsize.x, -0.5*height/texsize.y) + vec2(0.5*width/texsize.x, 0.5*height/texsize.y);
1392
4942da159194 Added a "subtle" CRT shader contributed by Anael Seghezzi
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
12 screencoord = sign(pos);
4942da159194 Added a "subtle" CRT shader contributed by Anael Seghezzi
Michael Pavone <pavone@retrodev.com>
parents:
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13 }