/*******************************************************************************
 * 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.
 ******************************************************************************/

#ifndef __OPENCL_CL_EGL_H
#define __OPENCL_CL_EGL_H

#ifdef __APPLE__

#else
#include <CL/cl.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

/* Command type for events created with clEnqueueAcquireEGLObjectsKHR */
#define CL_COMMAND_EGL_FENCE_SYNC_OBJECT_KHR 0x202F
#define CL_COMMAND_ACQUIRE_EGL_OBJECTS_KHR   0x202D
#define CL_COMMAND_RELEASE_EGL_OBJECTS_KHR   0x202E

/* Error type for clCreateFromEGLImageKHR */
#define CL_INVALID_EGL_OBJECT_KHR        -1093
#define CL_EGL_RESOURCE_NOT_ACQUIRED_KHR -1092

/* CLeglImageKHR is an opaque handle to an EGLImage */
typedef void* CLeglImageKHR;

/* CLeglDisplayKHR is an opaque handle to an EGLDisplay */
typedef void* CLeglDisplayKHR;

/* CLeglSyncKHR is an opaque handle to an EGLSync object */
typedef void* CLeglSyncKHR;

/* properties passed to clCreateFromEGLImageKHR */
typedef intptr_t cl_egl_image_properties_khr;

#define cl_khr_egl_image 1

extern CL_API_ENTRY cl_mem CL_API_CALL
clCreateFromEGLImageKHR(cl_context /* context */,
                        CLeglDisplayKHR /* egldisplay */,
                        CLeglImageKHR /* eglimage */,
                        cl_mem_flags /* flags */,
                        const cl_egl_image_properties_khr* /* properties */,
                        cl_int* /* errcode_ret */) CL_API_SUFFIX__VERSION_1_0;

typedef CL_API_ENTRY cl_mem(CL_API_CALL* clCreateFromEGLImageKHR_fn)(
    cl_context context,
    CLeglDisplayKHR egldisplay,
    CLeglImageKHR eglimage,
    cl_mem_flags flags,
    const cl_egl_image_properties_khr* properties,
    cl_int* errcode_ret);

extern CL_API_ENTRY cl_int CL_API_CALL
clEnqueueAcquireEGLObjectsKHR(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_0;

typedef CL_API_ENTRY cl_int(CL_API_CALL* clEnqueueAcquireEGLObjectsKHR_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);

extern CL_API_ENTRY cl_int CL_API_CALL
clEnqueueReleaseEGLObjectsKHR(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_0;

typedef CL_API_ENTRY cl_int(CL_API_CALL* clEnqueueReleaseEGLObjectsKHR_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);

#define cl_khr_egl_event 1

extern CL_API_ENTRY cl_event CL_API_CALL
clCreateEventFromEGLSyncKHR(cl_context /* context */,
                            CLeglSyncKHR /* sync */,
                            CLeglDisplayKHR /* display */,
                            cl_int* /* errcode_ret */) CL_API_SUFFIX__VERSION_1_0;

typedef CL_API_ENTRY cl_event(CL_API_CALL* clCreateEventFromEGLSyncKHR_fn)(
    cl_context context,
    CLeglSyncKHR sync,
    CLeglDisplayKHR display,
    cl_int* errcode_ret);

#ifdef __cplusplus
}
#endif

#endif /* __OPENCL_CL_EGL_H */
