Mercurial > repos > blastem
annotate shaders/crt.v.glsl @ 2457:9da3de58410d
Fix libretro build
author | Michael Pavone <pavone@retrodev.com> |
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date | Wed, 21 Feb 2024 20:25:06 -0800 |
parents | f3cca4b3f17a |
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rev | line source |
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1392
4942da159194
Added a "subtle" CRT shader contributed by Anael Seghezzi
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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1 |
4942da159194
Added a "subtle" CRT shader contributed by Anael Seghezzi
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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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
diff
changeset
|
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
diff
changeset
|
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
diff
changeset
|
6 uniform mediump vec2 texsize; |
1392
4942da159194
Added a "subtle" CRT shader contributed by Anael Seghezzi
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
7 |
4942da159194
Added a "subtle" CRT shader contributed by Anael Seghezzi
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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8 void main() |
4942da159194
Added a "subtle" CRT shader contributed by Anael Seghezzi
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
9 { |
4942da159194
Added a "subtle" CRT shader contributed by Anael Seghezzi
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
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:
diff
changeset
|
13 } |