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185 lines
7.1 KiB
C++
185 lines
7.1 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2010-2013, Advanced Micro Devices, Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors as is and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the copyright holders or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef OPENCV_CORE_DIRECTX_HPP
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#define OPENCV_CORE_DIRECTX_HPP
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#include "mat.hpp"
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#include "ocl.hpp"
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#if !defined(__d3d11_h__)
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struct ID3D11Device;
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struct ID3D11Texture2D;
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#endif
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#if !defined(__d3d10_h__)
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struct ID3D10Device;
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struct ID3D10Texture2D;
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#endif
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#if !defined(_D3D9_H_)
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struct IDirect3DDevice9;
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struct IDirect3DDevice9Ex;
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struct IDirect3DSurface9;
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#endif
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namespace cv { namespace directx {
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namespace ocl {
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using namespace cv::ocl;
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//! @addtogroup core_directx
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// This section describes OpenCL and DirectX interoperability.
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//
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// To enable DirectX support, configure OpenCV using CMake with WITH_DIRECTX=ON . Note, DirectX is
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// supported only on Windows.
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//
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// To use OpenCL functionality you should first initialize OpenCL context from DirectX resource.
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//
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//! @{
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// TODO static functions in the Context class
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//! @brief Creates OpenCL context from D3D11 device
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//
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//! @param pD3D11Device - pointer to D3D11 device
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//! @return Returns reference to OpenCL Context
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CV_EXPORTS Context& initializeContextFromD3D11Device(ID3D11Device* pD3D11Device);
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//! @brief Creates OpenCL context from D3D10 device
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//
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//! @param pD3D10Device - pointer to D3D10 device
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//! @return Returns reference to OpenCL Context
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CV_EXPORTS Context& initializeContextFromD3D10Device(ID3D10Device* pD3D10Device);
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//! @brief Creates OpenCL context from Direct3DDevice9Ex device
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//
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//! @param pDirect3DDevice9Ex - pointer to Direct3DDevice9Ex device
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//! @return Returns reference to OpenCL Context
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CV_EXPORTS Context& initializeContextFromDirect3DDevice9Ex(IDirect3DDevice9Ex* pDirect3DDevice9Ex);
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//! @brief Creates OpenCL context from Direct3DDevice9 device
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//
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//! @param pDirect3DDevice9 - pointer to Direct3Device9 device
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//! @return Returns reference to OpenCL Context
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CV_EXPORTS Context& initializeContextFromDirect3DDevice9(IDirect3DDevice9* pDirect3DDevice9);
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//! @}
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} // namespace cv::directx::ocl
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//! @addtogroup core_directx
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//! @{
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//! @brief Converts InputArray to ID3D11Texture2D. If destination texture format is DXGI_FORMAT_NV12 then
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//! input UMat expected to be in BGR format and data will be downsampled and color-converted to NV12.
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//
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//! @note Note: Destination texture must be allocated by application. Function does memory copy from src to
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//! pD3D11Texture2D
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//
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//! @param src - source InputArray
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//! @param pD3D11Texture2D - destination D3D11 texture
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CV_EXPORTS void convertToD3D11Texture2D(InputArray src, ID3D11Texture2D* pD3D11Texture2D);
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//! @brief Converts ID3D11Texture2D to OutputArray. If input texture format is DXGI_FORMAT_NV12 then
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//! data will be upsampled and color-converted to BGR format.
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//
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//! @note Note: Destination matrix will be re-allocated if it has not enough memory to match texture size.
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//! function does memory copy from pD3D11Texture2D to dst
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//
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//! @param pD3D11Texture2D - source D3D11 texture
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//! @param dst - destination OutputArray
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CV_EXPORTS void convertFromD3D11Texture2D(ID3D11Texture2D* pD3D11Texture2D, OutputArray dst);
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//! @brief Converts InputArray to ID3D10Texture2D
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//
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//! @note Note: function does memory copy from src to
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//! pD3D10Texture2D
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//
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//! @param src - source InputArray
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//! @param pD3D10Texture2D - destination D3D10 texture
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CV_EXPORTS void convertToD3D10Texture2D(InputArray src, ID3D10Texture2D* pD3D10Texture2D);
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//! @brief Converts ID3D10Texture2D to OutputArray
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//
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//! @note Note: function does memory copy from pD3D10Texture2D
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//! to dst
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//
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//! @param pD3D10Texture2D - source D3D10 texture
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//! @param dst - destination OutputArray
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CV_EXPORTS void convertFromD3D10Texture2D(ID3D10Texture2D* pD3D10Texture2D, OutputArray dst);
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//! @brief Converts InputArray to IDirect3DSurface9
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//
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//! @note Note: function does memory copy from src to
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//! pDirect3DSurface9
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//
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//! @param src - source InputArray
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//! @param pDirect3DSurface9 - destination D3D10 texture
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//! @param surfaceSharedHandle - shared handle
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CV_EXPORTS void convertToDirect3DSurface9(InputArray src, IDirect3DSurface9* pDirect3DSurface9, void* surfaceSharedHandle = NULL);
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//! @brief Converts IDirect3DSurface9 to OutputArray
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//
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//! @note Note: function does memory copy from pDirect3DSurface9
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//! to dst
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//
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//! @param pDirect3DSurface9 - source D3D10 texture
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//! @param dst - destination OutputArray
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//! @param surfaceSharedHandle - shared handle
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CV_EXPORTS void convertFromDirect3DSurface9(IDirect3DSurface9* pDirect3DSurface9, OutputArray dst, void* surfaceSharedHandle = NULL);
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//! @brief Get OpenCV type from DirectX type
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//! @param iDXGI_FORMAT - enum DXGI_FORMAT for D3D10/D3D11
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//! @return OpenCV type or -1 if there is no equivalent
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CV_EXPORTS int getTypeFromDXGI_FORMAT(const int iDXGI_FORMAT); // enum DXGI_FORMAT for D3D10/D3D11
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//! @brief Get OpenCV type from DirectX type
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//! @param iD3DFORMAT - enum D3DTYPE for D3D9
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//! @return OpenCV type or -1 if there is no equivalent
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CV_EXPORTS int getTypeFromD3DFORMAT(const int iD3DFORMAT); // enum D3DTYPE for D3D9
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//! @}
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} } // namespace cv::directx
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#endif // OPENCV_CORE_DIRECTX_HPP
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