source: experimental/distortionNG/shaderIntensityMap.frag @ 392

uniform sampler2DRect sceneTexture;
uniform sampler2DRect intensityMapTexture;
varying vec2 texcoord_scene;
varying vec2 texcoord_intensityMap;

varying vec2 texCoord;

void main(void)
{
        vec4 sceneColor;
        vec4 blendColor;

        //sceneColor = texture2DRect(sceneTexture, gl_FragCoord);
        blendColor = texture2DRect(intensityMapTexture, gl_FragCoord);
        
        //gl_FragColor = blendColor * texture2DRect( sceneTexture, texCoord*vec2(1920, 1200)) ;
        gl_FragColor = texture2DRect( sceneTexture, texCoord*vec2(1920, 1200)) ;
}