Diff: include/opencv2/core/private.cuda.hpp

Revision:

0:0e0631af0305

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/opencv2/core/private.cuda.hpp	Fri Jan 29 04:53:38 2021 +0000
@@ -0,0 +1,172 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                          License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#ifndef OPENCV_CORE_PRIVATE_CUDA_HPP
+#define OPENCV_CORE_PRIVATE_CUDA_HPP
+
+#ifndef __OPENCV_BUILD
+#  error this is a private header which should not be used from outside of the OpenCV library
+#endif
+
+#include "cvconfig.h"
+
+#include "opencv2/core/cvdef.h"
+#include "opencv2/core/base.hpp"
+
+#include "opencv2/core/cuda.hpp"
+
+#ifdef HAVE_CUDA
+#  include <cuda.h>
+#  include <cuda_runtime.h>
+#  include <npp.h>
+#  include "opencv2/core/cuda_stream_accessor.hpp"
+#  include "opencv2/core/cuda/common.hpp"
+
+#  define NPP_VERSION (NPP_VERSION_MAJOR * 1000 + NPP_VERSION_MINOR * 100 + NPP_VERSION_BUILD)
+
+#  define CUDART_MINIMUM_REQUIRED_VERSION 6050
+
+#  if (CUDART_VERSION < CUDART_MINIMUM_REQUIRED_VERSION)
+#    error "Insufficient Cuda Runtime library version, please update it."
+#  endif
+
+#  if defined(CUDA_ARCH_BIN_OR_PTX_10)
+#    error "OpenCV CUDA module doesn't support NVIDIA compute capability 1.0"
+#  endif
+#endif
+
+//! @cond IGNORED
+
+namespace cv { namespace cuda {
+    CV_EXPORTS cv::String getNppErrorMessage(int code);
+    CV_EXPORTS cv::String getCudaDriverApiErrorMessage(int code);
+
+    CV_EXPORTS GpuMat getInputMat(InputArray _src, Stream& stream);
+
+    CV_EXPORTS GpuMat getOutputMat(OutputArray _dst, int rows, int cols, int type, Stream& stream);
+    static inline GpuMat getOutputMat(OutputArray _dst, Size size, int type, Stream& stream)
+    {
+        return getOutputMat(_dst, size.height, size.width, type, stream);
+    }
+
+    CV_EXPORTS void syncOutput(const GpuMat& dst, OutputArray _dst, Stream& stream);
+}}
+
+#ifndef HAVE_CUDA
+
+static inline void throw_no_cuda() { CV_Error(cv::Error::GpuNotSupported, "The library is compiled without CUDA support"); }
+
+#else // HAVE_CUDA
+
+static inline void throw_no_cuda() { CV_Error(cv::Error::StsNotImplemented, "The called functionality is disabled for current build or platform"); }
+
+namespace cv { namespace cuda
+{
+    class CV_EXPORTS BufferPool
+    {
+    public:
+        explicit BufferPool(Stream& stream);
+
+        GpuMat getBuffer(int rows, int cols, int type);
+        GpuMat getBuffer(Size size, int type) { return getBuffer(size.height, size.width, type); }
+
+        GpuMat::Allocator* getAllocator() const { return allocator_; }
+
+    private:
+        GpuMat::Allocator* allocator_;
+    };
+
+    static inline void checkNppError(int code, const char* file, const int line, const char* func)
+    {
+        if (code < 0)
+            cv::error(cv::Error::GpuApiCallError, getNppErrorMessage(code), func, file, line);
+    }
+
+    static inline void checkCudaDriverApiError(int code, const char* file, const int line, const char* func)
+    {
+        if (code != CUDA_SUCCESS)
+            cv::error(cv::Error::GpuApiCallError, getCudaDriverApiErrorMessage(code), func, file, line);
+    }
+
+    template<int n> struct NPPTypeTraits;
+    template<> struct NPPTypeTraits<CV_8U>  { typedef Npp8u npp_type; };
+    template<> struct NPPTypeTraits<CV_8S>  { typedef Npp8s npp_type; };
+    template<> struct NPPTypeTraits<CV_16U> { typedef Npp16u npp_type; };
+    template<> struct NPPTypeTraits<CV_16S> { typedef Npp16s npp_type; };
+    template<> struct NPPTypeTraits<CV_32S> { typedef Npp32s npp_type; };
+    template<> struct NPPTypeTraits<CV_32F> { typedef Npp32f npp_type; };
+    template<> struct NPPTypeTraits<CV_64F> { typedef Npp64f npp_type; };
+
+    class NppStreamHandler
+    {
+    public:
+        inline explicit NppStreamHandler(Stream& newStream)
+        {
+            oldStream = nppGetStream();
+            nppSetStream(StreamAccessor::getStream(newStream));
+        }
+
+        inline explicit NppStreamHandler(cudaStream_t newStream)
+        {
+            oldStream = nppGetStream();
+            nppSetStream(newStream);
+        }
+
+        inline ~NppStreamHandler()
+        {
+            nppSetStream(oldStream);
+        }
+
+    private:
+        cudaStream_t oldStream;
+    };
+}}
+
+#define nppSafeCall(expr)  cv::cuda::checkNppError(expr, __FILE__, __LINE__, CV_Func)
+#define cuSafeCall(expr)  cv::cuda::checkCudaDriverApiError(expr, __FILE__, __LINE__, CV_Func)
+
+#endif // HAVE_CUDA
+
+//! @endcond
+
+#endif // OPENCV_CORE_PRIVATE_CUDA_HPP