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1 /*******************************************************************************
2  * Copyright (c) 2008-2020 The Khronos Group Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *    http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  ******************************************************************************/
16 
17 #ifndef __OPENCL_CL_EGL_H
18 #define __OPENCL_CL_EGL_H
19 
20 #include <CL/cl.h>
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 
27 /* Command type for events created with clEnqueueAcquireEGLObjectsKHR */
28 #define CL_COMMAND_EGL_FENCE_SYNC_OBJECT_KHR  0x202F
29 #define CL_COMMAND_ACQUIRE_EGL_OBJECTS_KHR    0x202D
30 #define CL_COMMAND_RELEASE_EGL_OBJECTS_KHR    0x202E
31 
32 /* Error type for clCreateFromEGLImageKHR */
33 #define CL_INVALID_EGL_OBJECT_KHR             -1093
34 #define CL_EGL_RESOURCE_NOT_ACQUIRED_KHR      -1092
35 
36 /* CLeglImageKHR is an opaque handle to an EGLImage */
37 typedef void* CLeglImageKHR;
38 
39 /* CLeglDisplayKHR is an opaque handle to an EGLDisplay */
40 typedef void* CLeglDisplayKHR;
41 
42 /* CLeglSyncKHR is an opaque handle to an EGLSync object */
43 typedef void* CLeglSyncKHR;
44 
45 /* properties passed to clCreateFromEGLImageKHR */
46 typedef intptr_t cl_egl_image_properties_khr;
47 
48 
49 #define cl_khr_egl_image 1
50 
51 extern CL_API_ENTRY cl_mem CL_API_CALL
52 clCreateFromEGLImageKHR(cl_context                  context,
53                         CLeglDisplayKHR             egldisplay,
54                         CLeglImageKHR               eglimage,
55                         cl_mem_flags                flags,
56                         const cl_egl_image_properties_khr * properties,
57                         cl_int *                    errcode_ret) CL_API_SUFFIX__VERSION_1_0;
58 
59 typedef cl_mem (CL_API_CALL *clCreateFromEGLImageKHR_fn)(
60     cl_context                  context,
61     CLeglDisplayKHR             egldisplay,
62     CLeglImageKHR               eglimage,
63     cl_mem_flags                flags,
64     const cl_egl_image_properties_khr * properties,
65     cl_int *                    errcode_ret);
66 
67 
68 extern CL_API_ENTRY cl_int CL_API_CALL
69 clEnqueueAcquireEGLObjectsKHR(cl_command_queue command_queue,
70                               cl_uint          num_objects,
71                               const cl_mem *   mem_objects,
72                               cl_uint          num_events_in_wait_list,
73                               const cl_event * event_wait_list,
74                               cl_event *       event) CL_API_SUFFIX__VERSION_1_0;
75 
76 typedef cl_int (CL_API_CALL *clEnqueueAcquireEGLObjectsKHR_fn)(
77     cl_command_queue command_queue,
78     cl_uint          num_objects,
79     const cl_mem *   mem_objects,
80     cl_uint          num_events_in_wait_list,
81     const cl_event * event_wait_list,
82     cl_event *       event);
83 
84 
85 extern CL_API_ENTRY cl_int CL_API_CALL
86 clEnqueueReleaseEGLObjectsKHR(cl_command_queue command_queue,
87                               cl_uint          num_objects,
88                               const cl_mem *   mem_objects,
89                               cl_uint          num_events_in_wait_list,
90                               const cl_event * event_wait_list,
91                               cl_event *       event) CL_API_SUFFIX__VERSION_1_0;
92 
93 typedef cl_int (CL_API_CALL *clEnqueueReleaseEGLObjectsKHR_fn)(
94     cl_command_queue command_queue,
95     cl_uint          num_objects,
96     const cl_mem *   mem_objects,
97     cl_uint          num_events_in_wait_list,
98     const cl_event * event_wait_list,
99     cl_event *       event);
100 
101 
102 #define cl_khr_egl_event 1
103 
104 extern CL_API_ENTRY cl_event CL_API_CALL
105 clCreateEventFromEGLSyncKHR(cl_context      context,
106                             CLeglSyncKHR    sync,
107                             CLeglDisplayKHR display,
108                             cl_int *        errcode_ret) CL_API_SUFFIX__VERSION_1_0;
109 
110 typedef cl_event (CL_API_CALL *clCreateEventFromEGLSyncKHR_fn)(
111     cl_context      context,
112     CLeglSyncKHR    sync,
113     CLeglDisplayKHR display,
114     cl_int *        errcode_ret);
115 
116 #ifdef __cplusplus
117 }
118 #endif
119 
120 #endif /* __OPENCL_CL_EGL_H */
121