SIFTGPUBF/CUDASiftConstant.cu at master · Tomas-Lee/SIFTGPUBF · GitHub

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#include "SiftCameraParams.h"
#include "GlobalDefines.h"
__constant__ SiftCameraParams c_siftCameraParams;

extern "C" void updateConstantSiftCameraParams(const SiftCameraParams& params) {

	size_t size;
	cutilSafeCall(cudaGetSymbolSize(&size, c_siftCameraParams));
	cutilSafeCall(cudaMemcpyToSymbol(c_siftCameraParams, &params, size, 0, cudaMemcpyHostToDevice));

#ifdef DEBUG
	cutilSafeCall(cudaDeviceSynchronize());
	cutilCheckMsg(__FUNCTION__);
#endif

}