1 /**************************************************************************
3 * Copyright 2010 LunarG, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
33 #include "eglcurrent.h"
34 #include "egldriver.h"
39 * Parse the list of sync attributes and return the proper error code.
42 _eglParseSyncAttribList(_EGLSync
*sync
, const EGLAttrib
*attrib_list
)
49 for (i
= 0; attrib_list
[i
] != EGL_NONE
; i
++) {
50 EGLAttrib attr
= attrib_list
[i
++];
51 EGLAttrib val
= attrib_list
[i
];
52 EGLint err
= EGL_SUCCESS
;
55 case EGL_CL_EVENT_HANDLE_KHR
:
56 if (sync
->Type
== EGL_SYNC_CL_EVENT_KHR
) {
59 err
= EGL_BAD_ATTRIBUTE
;
62 case EGL_SYNC_NATIVE_FENCE_FD_ANDROID
:
63 if (sync
->Type
== EGL_SYNC_NATIVE_FENCE_ANDROID
) {
64 /* we take ownership of the native fd, so no dup(): */
67 err
= EGL_BAD_ATTRIBUTE
;
71 err
= EGL_BAD_ATTRIBUTE
;
75 if (err
!= EGL_SUCCESS
) {
76 _eglLog(_EGL_DEBUG
, "bad sync attribute 0x%" PRIxPTR
, attr
);
86 _eglInitSync(_EGLSync
*sync
, _EGLDisplay
*disp
, EGLenum type
,
87 const EGLAttrib
*attrib_list
)
91 _eglInitResource(&sync
->Resource
, sizeof(*sync
), disp
);
93 sync
->SyncStatus
= EGL_UNSIGNALED_KHR
;
94 sync
->SyncFd
= EGL_NO_NATIVE_FENCE_FD_ANDROID
;
96 err
= _eglParseSyncAttribList(sync
, attrib_list
);
99 case EGL_SYNC_CL_EVENT_KHR
:
100 sync
->SyncCondition
= EGL_SYNC_CL_EVENT_COMPLETE_KHR
;
102 case EGL_SYNC_NATIVE_FENCE_ANDROID
:
103 if (sync
->SyncFd
== EGL_NO_NATIVE_FENCE_FD_ANDROID
)
104 sync
->SyncCondition
= EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR
;
106 sync
->SyncCondition
= EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID
;
109 sync
->SyncCondition
= EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR
;
112 if (err
!= EGL_SUCCESS
)
113 return _eglError(err
, "eglCreateSyncKHR");
115 if (type
== EGL_SYNC_CL_EVENT_KHR
&& !sync
->CLEvent
)
116 return _eglError(EGL_BAD_ATTRIBUTE
, "eglCreateSyncKHR");
123 _eglGetSyncAttrib(const _EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSync
*sync
,
124 EGLint attribute
, EGLAttrib
*value
)
127 case EGL_SYNC_TYPE_KHR
:
130 case EGL_SYNC_STATUS_KHR
:
131 /* update the sync status */
132 if (sync
->SyncStatus
!= EGL_SIGNALED_KHR
&&
133 (sync
->Type
== EGL_SYNC_FENCE_KHR
||
134 sync
->Type
== EGL_SYNC_CL_EVENT_KHR
||
135 sync
->Type
== EGL_SYNC_REUSABLE_KHR
||
136 sync
->Type
== EGL_SYNC_NATIVE_FENCE_ANDROID
))
137 drv
->ClientWaitSyncKHR(drv
, disp
, sync
, 0, 0);
139 *value
= sync
->SyncStatus
;
141 case EGL_SYNC_CONDITION_KHR
:
142 if (sync
->Type
!= EGL_SYNC_FENCE_KHR
&&
143 sync
->Type
!= EGL_SYNC_CL_EVENT_KHR
&&
144 sync
->Type
!= EGL_SYNC_NATIVE_FENCE_ANDROID
)
145 return _eglError(EGL_BAD_ATTRIBUTE
, "eglGetSyncAttribKHR");
146 *value
= sync
->SyncCondition
;
150 return _eglError(EGL_BAD_ATTRIBUTE
, "eglGetSyncAttribKHR");