Mercurial > repos > blastem
diff shaders/crt.v.glsl @ 1977:f3cca4b3f17a
Allow use of NPOT textures as a config option. Useful for some mobile GPUs
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Sat, 09 May 2020 21:15:33 -0700 |
parents | 4942da159194 |
children |
line wrap: on
line diff
--- a/shaders/crt.v.glsl Sat May 09 13:15:49 2020 -0700 +++ b/shaders/crt.v.glsl Sat May 09 21:15:33 2020 -0700 @@ -1,13 +1,13 @@ -#version 110 attribute vec2 pos; -varying vec2 texcoord; -varying vec2 screencoord; -uniform float width, height; +varying mediump vec2 texcoord; +varying mediump vec2 screencoord; +uniform mediump float width, height; +uniform mediump vec2 texsize; 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); + 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); screencoord = sign(pos); } \ No newline at end of file