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Java™ Binding for the OpenGL® API (Android)

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//Copyright 2014 JogAmp Community. All rights reserved.

#if __VERSION__ >= 130
  #define attribute in
  #define varying out
#endif

uniform vec2    svr_EyeToSourceUVScale;
uniform vec2    svr_EyeToSourceUVOffset;

attribute vec2  svr_Position;
attribute vec2  svr_Params;
attribute vec2  svr_TexCoordR;

varying vec3    svv_Fade;
varying vec2    svv_TexCoordR;

void main(void)
{
    gl_Position = vec4(svr_Position.xy, 0.5, 1.0);
    svv_Fade = vec3(svr_Params.r); // vignetteFade
    
    // Vertex inputs are in TanEyeAngle space for the R,G,B channels (i.e. after chromatic aberration and distortion).
    // Scale them into the correct [0-1],[0-1] UV lookup space (depending on eye)    
    svv_TexCoordR = svr_TexCoordR * svr_EyeToSourceUVScale + svr_EyeToSourceUVOffset;
    svv_TexCoordR.y = 1.0-svv_TexCoordR.y;
}