cudaBayer.cpp

/*
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#include "cudaBayer.h"
#include "logging.h"

#include <npp.h>
#include <nppi.h>


// cudaBayerToRGB
cudaError_t cudaBayerToRGB( uint8_t* input, uchar3* output, size_t width, size_t height, imageFormat format, cudaStream_t stream )
{
	NppiSize size;
	size.width = width;
	size.height = height;
	
	NppiRect roi;
	roi.x = 0;
	roi.y = 0;
	roi.width = width;
	roi.height = height;
	
	NppiBayerGridPosition grid;
	
	if( format == IMAGE_BAYER_BGGR )
		grid = NPPI_BAYER_BGGR;
	else if( format == IMAGE_BAYER_GBRG )
		grid = NPPI_BAYER_GBRG;
	else if( format == IMAGE_BAYER_GRBG )
		grid = NPPI_BAYER_GRBG;
	else if( format == IMAGE_BAYER_RGGB )
		grid = NPPI_BAYER_RGGB;
	else
		return cudaErrorInvalidValue;
	
	NppStreamContext nppStreamContext;
	nppGetStreamContext(&nppStreamContext);
	nppStreamContext.hStream = stream;
	
	const NppStatus result = nppiCFAToRGB_8u_C1C3R_Ctx(input, width * sizeof(uint8_t), size, roi, 
												       (uint8_t*)output, width * sizeof(uchar3),
												       grid, NPPI_INTER_UNDEFINED, nppStreamContext);
	
	if( result != 0 )
	{
		LogError(LOG_CUDA "cudaBayerToRGB() NPP error %i\n", result);
		return cudaErrorUnknown;
	}
	
	return cudaSuccess;
}


cudaError_t cudaBayerToRGBA( uint8_t* input, uchar3* output, size_t width, size_t height, imageFormat format, cudaStream_t stream )
{
	return cudaErrorInvalidValue;
	
}