view shaders/crt.v.glsl @ 1782:b2bffd98063d

Scale H32 horizontally in fbdev backend so it has the correct aspect ratio
author Michael Pavone <pavone@retrodev.com>
date Sun, 10 Mar 2019 23:10:43 -0700
parents 4942da159194
children f3cca4b3f17a
line wrap: on
line source

#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);
}