view shaders/default.v.glsl @ 1405:ee19270495e8

Force texture y-coordinate to middle of line in default shader. Substantially improves picture when linear texture filtering is used
author Michael Pavone <pavone@retrodev.com>
date Sat, 17 Jun 2017 15:56:07 -0700
parents b1147418254a
children fa9ae059e4d3
line wrap: on
line source

#version 110

attribute vec2 pos;
varying vec2 texcoord;
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);
}