/*******************************************************************************
 * Copyright (c) 2008-2020 The Khronos Group Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

#ifndef __OPENCL_CL_VA_API_MEDIA_SHARING_INTEL_H
#define __OPENCL_CL_VA_API_MEDIA_SHARING_INTEL_H

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

#ifdef __cplusplus
extern "C" {
#endif

/***************************************************************
* cl_intel_sharing_format_query_va_api
***************************************************************/
#define cl_intel_sharing_format_query_va_api 1

/* when cl_intel_va_api_media_sharing is supported */

extern CL_API_ENTRY cl_int CL_API_CALL
clGetSupportedVA_APIMediaSurfaceFormatsINTEL(
    cl_context context,
    cl_mem_flags flags,
    cl_mem_object_type image_type,
    cl_uint plane,
    cl_uint num_entries,
    VAImageFormat* va_api_formats,
    cl_uint* num_surface_formats) ;

typedef cl_int (CL_API_CALL *
clGetSupportedVA_APIMediaSurfaceFormatsINTEL_fn)(
    cl_context context,
    cl_mem_flags flags,
    cl_mem_object_type image_type,
    cl_uint plane,
    cl_uint num_entries,
    VAImageFormat* va_api_formats,
    cl_uint* num_surface_formats) ;

/******************************************
* cl_intel_va_api_media_sharing extension *
*******************************************/

#define cl_intel_va_api_media_sharing 1

/* error codes */
#define CL_INVALID_VA_API_MEDIA_ADAPTER_INTEL               -1098
#define CL_INVALID_VA_API_MEDIA_SURFACE_INTEL               -1099
#define CL_VA_API_MEDIA_SURFACE_ALREADY_ACQUIRED_INTEL      -1100
#define CL_VA_API_MEDIA_SURFACE_NOT_ACQUIRED_INTEL          -1101

/* cl_va_api_device_source_intel */
#define CL_VA_API_DISPLAY_INTEL                             0x4094

/* cl_va_api_device_set_intel */
#define CL_PREFERRED_DEVICES_FOR_VA_API_INTEL               0x4095
#define CL_ALL_DEVICES_FOR_VA_API_INTEL                     0x4096

/* cl_context_info */
#define CL_CONTEXT_VA_API_DISPLAY_INTEL                     0x4097

/* cl_mem_info */
#define CL_MEM_VA_API_MEDIA_SURFACE_INTEL                   0x4098

/* cl_image_info */
#define CL_IMAGE_VA_API_PLANE_INTEL                         0x4099

/* cl_command_type */
#define CL_COMMAND_ACQUIRE_VA_API_MEDIA_SURFACES_INTEL      0x409A
#define CL_COMMAND_RELEASE_VA_API_MEDIA_SURFACES_INTEL      0x409B

typedef cl_uint cl_va_api_device_source_intel;
typedef cl_uint cl_va_api_device_set_intel;

extern CL_API_ENTRY cl_int CL_API_CALL
clGetDeviceIDsFromVA_APIMediaAdapterINTEL(
    cl_platform_id                platform,
    cl_va_api_device_source_intel media_adapter_type,
    void*                         media_adapter,
    cl_va_api_device_set_intel    media_adapter_set,
    cl_uint                       num_entries,
    cl_device_id*                 devices,
    cl_uint*                      num_devices) CL_API_SUFFIX__VERSION_1_2;

typedef cl_int (CL_API_CALL * clGetDeviceIDsFromVA_APIMediaAdapterINTEL_fn)(
    cl_platform_id                platform,
    cl_va_api_device_source_intel media_adapter_type,
    void*                         media_adapter,
    cl_va_api_device_set_intel    media_adapter_set,
    cl_uint                       num_entries,
    cl_device_id*                 devices,
    cl_uint*                      num_devices) CL_API_SUFFIX__VERSION_1_2;

extern CL_API_ENTRY cl_mem CL_API_CALL
clCreateFromVA_APIMediaSurfaceINTEL(
    cl_context                    context,
    cl_mem_flags                  flags,
    VASurfaceID*                  surface,
    cl_uint                       plane,
    cl_int*                       errcode_ret) CL_API_SUFFIX__VERSION_1_2;

typedef cl_mem (CL_API_CALL * clCreateFromVA_APIMediaSurfaceINTEL_fn)(
    cl_context                    context,
    cl_mem_flags                  flags,
    VASurfaceID*                  surface,
    cl_uint                       plane,
    cl_int*                       errcode_ret) CL_API_SUFFIX__VERSION_1_2;

extern CL_API_ENTRY cl_int CL_API_CALL
clEnqueueAcquireVA_APIMediaSurfacesINTEL(
    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_int (CL_API_CALL *clEnqueueAcquireVA_APIMediaSurfacesINTEL_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;

extern CL_API_ENTRY cl_int CL_API_CALL
clEnqueueReleaseVA_APIMediaSurfacesINTEL(
    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_int (CL_API_CALL *clEnqueueReleaseVA_APIMediaSurfacesINTEL_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_VA_API_MEDIA_SHARING_INTEL_H */