Function glslForwardReference

src/shaders/undistortion.ts:909–920

(cls: ProjectionClass, p: Vec2, i: CameraIntrinsics)

 * KEEP IN SYNC WITH THE GLSL ABOVE (undistortionFragmentShader).
 */
export function glslForwardReference(cls: ProjectionClass, p: Vec2, i: CameraIntrinsics): Vec2 {
  switch (cls) {
    case 'perspective-radial': return _glslFullOpenCV(p, i);
    case 'fov':                return _glslFOV(p, i);
    case 'fisheye':            return _glslThinPrismFisheye(p, i);
    case 'fisheye-radtan':     return _glslRadTanFisheye(p, i);
    case 'division':           return _glslDivision(p, i);
    case 'eucm':               return _glslEUCM(p, i);
    case 'none':
    case 'spherical':          return { x: p.x, y: p.y };
  }
}

// ── Paired TS transcription of GLSL inverseDistort() active paths ──────────────
// KEEP IN SYNC WITH THE GLSL inverseDistort ABOVE (fullFrameVertexShader). Each