#version 120 attribute vec4 Position; uniform mat4 ProjMat; uniform vec2 InSize; uniform vec2 OutSize; varying vec2 texCoord; varying vec2 oneTexel; void main(){ vec4 outPos = ProjMat * vec4(Position.xy, 0.0, 1.0); gl_Position = vec4(outPos.xy, 0.2, 1.0); oneTexel = 1.0 / InSize; texCoord = Position.xy / OutSize; texCoord.y = 1.0 - texCoord.y; }