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    //! OpenCL / DirectX 9 sharing.

    use cl_h::cl_uint;

    pub const CL_CONTEXT_ADAPTER_D3D9_KHR: cl_uint = 0x2025;
    pub const CL_CONTEXT_ADAPTER_D3D9EX_KHR: cl_uint = 0x2026;
    pub const CL_CONTEXT_ADAPTER_DXVA_KHR: cl_uint = 0x2027;

    // /**********************************************************************************
    //  * Copyright (c) 2008-2015 The Khronos Group Inc.
    //  *
    //  * Permission is hereby granted, free of charge, to any person obtaining a
    //  * copy of this software and/or associated documentation files (the
    //  * "Materials"), to deal in the Materials without restriction, including
    //  * without limitation the rights to use, copy, modify, merge, publish,
    //  * distribute, sublicense, and/or sell copies of the Materials, and to
    //  * permit persons to whom the Materials are furnished to do so, subject to
    //  * the following conditions:
    //  *
    //  * The above copyright notice and this permission notice shall be included
    //  * in all copies or substantial portions of the Materials.
    //  *
    //  * MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
    //  * KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
    //  * SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
    //  *    https://www.khronos.org/registry/
    //  *
    //  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
    //  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    //  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
    //  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
    //  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
    //  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
    //  * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
    //  **********************************************************************************/

    // /* $Revision: 11708 $ on $Date: 2010-06-13 23:36:24 -0700 (Sun, 13 Jun 2010) $ */

    // #ifndef __OPENCL_CL_DX9_MEDIA_SHARING_H
    // #define __OPENCL_CL_DX9_MEDIA_SHARING_H

    // #include <CL/cl.h>
    // #include <CL/cl_platform.h>

    // #ifdef __cplusplus
    // extern "C" {
    // #endif

    // *****************************************************************************
    // /* cl_khr_dx9_media_sharing                                                   */
    // #define cl_khr_dx9_media_sharing 1

    // typedef cl_uint             cl_dx9_media_adapter_type_khr;
    // typedef cl_uint             cl_dx9_media_adapter_set_khr;

    // #if defined(_WIN32)
    // #include <d3d9.h>
    // typedef struct _cl_dx9_surface_info_khr
    // {
    //     IDirect3DSurface9 *resource;
    //     HANDLE shared_handle;
    // } cl_dx9_surface_info_khr;
    // #endif

    // /******************************************************************************/

    // /* Error Codes */
    // #define CL_INVALID_DX9_MEDIA_ADAPTER_KHR                -1010
    // #define CL_INVALID_DX9_MEDIA_SURFACE_KHR                -1011
    // #define CL_DX9_MEDIA_SURFACE_ALREADY_ACQUIRED_KHR       -1012
    // #define CL_DX9_MEDIA_SURFACE_NOT_ACQUIRED_KHR           -1013

    // /* cl_media_adapter_type_khr */
    // #define CL_ADAPTER_D3D9_KHR                              0x2020
    // #define CL_ADAPTER_D3D9EX_KHR                            0x2021
    // #define CL_ADAPTER_DXVA_KHR                              0x2022

    // /* cl_media_adapter_set_khr */
    // #define CL_PREFERRED_DEVICES_FOR_DX9_MEDIA_ADAPTER_KHR   0x2023
    // #define CL_ALL_DEVICES_FOR_DX9_MEDIA_ADAPTER_KHR         0x2024

    // /* cl_context_info */
    // #define CL_CONTEXT_ADAPTER_D3D9_KHR                      0x2025
    // #define CL_CONTEXT_ADAPTER_D3D9EX_KHR                    0x2026
    // #define CL_CONTEXT_ADAPTER_DXVA_KHR                      0x2027

    // /* cl_mem_info */
    // #define CL_MEM_DX9_MEDIA_ADAPTER_TYPE_KHR                0x2028
    // #define CL_MEM_DX9_MEDIA_SURFACE_INFO_KHR                0x2029

    // /* cl_image_info */
    // #define CL_IMAGE_DX9_MEDIA_PLANE_KHR                     0x202A

    // /* cl_command_type */
    // #define CL_COMMAND_ACQUIRE_DX9_MEDIA_SURFACES_KHR        0x202B
    // #define CL_COMMAND_RELEASE_DX9_MEDIA_SURFACES_KHR        0x202C

    // /******************************************************************************/

    // typedef CL_API_ENTRY cl_int (CL_API_CALL *clGetDeviceIDsFromDX9MediaAdapterKHR_fn)(
    //     cl_platform_id                   platform,
    //     cl_uint                          num_media_adapters,
    //     cl_dx9_media_adapter_type_khr *  media_adapter_type,
    //     void *                           media_adapters,
    //     cl_dx9_media_adapter_set_khr     media_adapter_set,
    //     cl_uint                          num_entries,
    //     cl_device_id *                   devices,
    //     cl_uint *                        num_devices) CL_API_SUFFIX__VERSION_1_2;

    // typedef CL_API_ENTRY cl_mem (CL_API_CALL *clCreateFromDX9MediaSurfaceKHR_fn)(
    //     cl_context                    context,
    //     cl_mem_flags                  flags,
    //     cl_dx9_media_adapter_type_khr adapter_type,
    //     void *                        surface_info,
    //     cl_uint                       plane,
    //     cl_int *                      errcode_ret) CL_API_SUFFIX__VERSION_1_2;

    // typedef CL_API_ENTRY cl_int (CL_API_CALL *clEnqueueAcquireDX9MediaSurfacesKHR_fn)(
    //     cl_command_queue command_queue,
    //     cl_uint          num_objects,
    //     const cl_mem *   mem_objects,
    //     cl_uint          num_events_in_wait_list,
    //     const cl_event * event_wait_list,
    //     cl_event *       event) CL_API_SUFFIX__VERSION_1_2;

    // typedef CL_API_ENTRY cl_int (CL_API_CALL *clEnqueueReleaseDX9MediaSurfacesKHR_fn)(
    //     cl_command_queue command_queue,
    //     cl_uint          num_objects,
    //     const cl_mem *   mem_objects,
    //     cl_uint          num_events_in_wait_list,
    //     const cl_event * event_wait_list,
    //     cl_event *       event) CL_API_SUFFIX__VERSION_1_2;

    // #ifdef __cplusplus
    // }
    // #endif

    // #endif  /* __OPENCL_CL_DX9_MEDIA_SHARING_H

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