private UnifiedArray <Vector2> SphericalPixelCoordinates(int N_theta, int N_phi)
{
UnifiedArray <float> debugUnifiedArray = new UnifiedArray <float>(sphericalWidthRes * sphericalHeightRes, sizeof(float), projectionFilterDebug);
debugUnifiedArray.SetBuffer(computeFilter, projectionFilterKernel);
UnifiedArray <Vector2> pixelCoordinates = new UnifiedArray <Vector2>(sphericalWidthRes * sphericalHeightRes, sizeof(uint) * 2, projectionFilterBuffer);
pixelCoordinates.SetBuffer(computeFilter, projectionFilterKernel);
//Debug.Log(frustum._cameraMatrix);
computeFilter.SetMatrix("CameraMatrix", frustum._cameraMatrix);
computeFilter.SetInt("N_W", frustum._pixelWidth);
computeFilter.SetInt("N_H", frustum._pixelHeight);
computeFilter.SetInt("N_theta", sphericalWidthRes);
computeFilter.SetInt("N_phi", sphericalHeightRes);
computeFilter.SetFloat("VFOV_c", frustum._verticalAngle);
computeFilter.SetFloat("VFOV_s", frustum._verticalSideAngles);
computeFilter.SetFloat("HFOV_c", frustum._horisontalAngle);
computeFilter.SetFloat("HFOV_s", frustum._horisontalAngle);
debugUnifiedArray.SynchUpdate(computeFilter, projectionFilterKernel);
pixelCoordinates.SynchUpdate(computeFilter, projectionFilterKernel);
debugUnifiedArray.Delete();
return(pixelCoordinates);
}
public RenderTexture SphericalPixelCoordinatesImage()
{
int dataSize = 24;
int kernelHandle = computeFilter.FindKernel(projectionFilterImageKernel);
RenderTexture sphericalMaskImage = new RenderTexture(frustum._pixelWidth, frustum._pixelHeight, dataSize);
sphericalMaskImage.enableRandomWrite = true;
sphericalMaskImage.Create();
filterCoordinates.SetBuffer(computeFilter, projectionFilterImageKernel);
computeFilter.SetTexture(kernelHandle, projectionFilterImageBuffer, sphericalMaskImage);
computeFilter.Dispatch(kernelHandle, (int)Mathf.Ceil((float)sphericalWidthRes * (float)sphericalHeightRes / 1024.0f), 1, 1);
return(sphericalMaskImage);
}