Mercurial > repos > blastem
view shaders/crt.v.glsl @ 1697:44d8c6e61ad4
Added new sext instruction for sign extension to CPU sdl
author | Michael Pavone <pavone@retrodev.com> |
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date | Fri, 25 Jan 2019 13:45:58 -0800 |
parents | 4942da159194 |
children | f3cca4b3f17a |
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#version 110 attribute vec2 pos; varying vec2 texcoord; varying vec2 screencoord; uniform float width, height; void main() { gl_Position = vec4(pos, 0.0, 1.0); texcoord = sign(pos) * vec2(width/1024.0, height/-1024.0) + vec2(width/1024.0, height/1024.0); screencoord = sign(pos); }