/**
 * @file simpleF.glsl
 *
 * $LicenseInfo:firstyear=2007&license=viewerlgpl$
 * $/LicenseInfo$
 */
 
#version 120

uniform sampler2DRect RenderTexture;

void main(void) 
{
	vec3 color = vec3(texture2DRect(RenderTexture, gl_TexCoord[0].st));
	gl_FragColor = vec4(1.0 - color, 1.0);
}