Mercurial > repos > blastem
view shaders/crt.v.glsl @ 1798:5278b6e44fc1
Optionally emulate the offset around zero in the imperfect DAC of a discrete YM2612
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 24 Mar 2019 19:59:41 -0700 |
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); }