jogamp.opengl.oculusvr.shader.dist01_plain.vp Maven / Gradle / Ivy

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Java™ Binding for the OpenGL® API (Atomic Jar files)

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//Copyright 2014 JogAmp Community. All rights reserved.

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

uniform vec2    ovr_EyeToSourceUVScale;
uniform vec2    ovr_EyeToSourceUVOffset;

attribute vec2  ovr_Position;
attribute vec2  ovr_Params;
attribute vec2  ovr_TexCoordR;

varying vec3    ovv_Fade;
varying vec2    ovv_TexCoordR;

void main(void)
{
    gl_Position = vec4(ovr_Position.xy, 0.5, 1.0);
    ovv_Fade = vec3(ovr_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)    
    ovv_TexCoordR = ovr_TexCoordR * ovr_EyeToSourceUVScale + ovr_EyeToSourceUVOffset;
    ovv_TexCoordR.y = 1.0-ovv_TexCoordR.y;
}