From 906de963739ee87c9b63c7d2be7732caab1ae69a Mon Sep 17 00:00:00 2001 From: Michael Pavone Date: Sat, 9 May 2020 21:15:33 -0700 Subject: Allow use of NPOT textures as a config option. Useful for some mobile GPUs --- shaders/crt.v.glsl | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'shaders/crt.v.glsl') diff --git a/shaders/crt.v.glsl b/shaders/crt.v.glsl index 162d029..f8e8b6b 100644 --- a/shaders/crt.v.glsl +++ b/shaders/crt.v.glsl @@ -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 -- cgit v1.2.3