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 **************************************************************************/
32 #include "eglcurrent.h"
33 #include "egldriver.h"
38 * Parse the list of sync attributes and return the proper error code.
41 _eglParseSyncAttribList(_EGLSync
*sync
, const EGLint
*attrib_list
)
43 EGLint i
, err
= EGL_SUCCESS
;
48 for (i
= 0; attrib_list
[i
] != EGL_NONE
; i
++) {
49 EGLint attr
= attrib_list
[i
++];
50 EGLint val
= attrib_list
[i
];
55 err
= EGL_BAD_ATTRIBUTE
;
59 if (err
!= EGL_SUCCESS
) {
60 _eglLog(_EGL_DEBUG
, "bad sync attribute 0x%04x", attr
);
70 _eglParseSyncAttribList64(_EGLSync
*sync
, const EGLAttrib
*attrib_list
)
72 EGLint i
, err
= EGL_SUCCESS
;
77 for (i
= 0; attrib_list
[i
] != EGL_NONE
; i
++) {
78 EGLint attr
= attrib_list
[i
++];
79 EGLint val
= attrib_list
[i
];
82 case EGL_CL_EVENT_HANDLE_KHR
:
83 if (sync
->Type
== EGL_SYNC_CL_EVENT_KHR
) {
90 err
= EGL_BAD_ATTRIBUTE
;
94 if (err
!= EGL_SUCCESS
) {
95 _eglLog(_EGL_DEBUG
, "bad sync attribute 0x%04x", attr
);
105 _eglInitSync(_EGLSync
*sync
, _EGLDisplay
*dpy
, EGLenum type
,
106 const EGLint
*attrib_list
, const EGLAttrib
*attrib_list64
)
110 if (!(type
== EGL_SYNC_REUSABLE_KHR
&& dpy
->Extensions
.KHR_reusable_sync
) &&
111 !(type
== EGL_SYNC_FENCE_KHR
&& dpy
->Extensions
.KHR_fence_sync
) &&
112 !(type
== EGL_SYNC_CL_EVENT_KHR
&& dpy
->Extensions
.KHR_cl_event2
&&
114 return _eglError(EGL_BAD_ATTRIBUTE
, "eglCreateSyncKHR");
116 _eglInitResource(&sync
->Resource
, sizeof(*sync
), dpy
);
118 sync
->SyncStatus
= EGL_UNSIGNALED_KHR
;
121 case EGL_SYNC_CL_EVENT_KHR
:
122 sync
->SyncCondition
= EGL_SYNC_CL_EVENT_COMPLETE_KHR
;
125 sync
->SyncCondition
= EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR
;
129 err
= _eglParseSyncAttribList64(sync
, attrib_list64
);
131 err
= _eglParseSyncAttribList(sync
, attrib_list
);
133 if (err
!= EGL_SUCCESS
)
134 return _eglError(err
, "eglCreateSyncKHR");
136 if (type
== EGL_SYNC_CL_EVENT_KHR
&& !sync
->CLEvent
)
137 return _eglError(EGL_BAD_ATTRIBUTE
, "eglCreateSyncKHR");
144 _eglGetSyncAttrib(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
,
145 EGLint attribute
, EGLAttrib
*value
)
148 case EGL_SYNC_TYPE_KHR
:
151 case EGL_SYNC_STATUS_KHR
:
152 /* update the sync status */
153 if (sync
->SyncStatus
!= EGL_SIGNALED_KHR
&&
154 (sync
->Type
== EGL_SYNC_FENCE_KHR
||
155 sync
->Type
== EGL_SYNC_CL_EVENT_KHR
))
156 drv
->API
.ClientWaitSyncKHR(drv
, dpy
, sync
, 0, 0);
158 *value
= sync
->SyncStatus
;
160 case EGL_SYNC_CONDITION_KHR
:
161 if (sync
->Type
!= EGL_SYNC_FENCE_KHR
&&
162 sync
->Type
!= EGL_SYNC_CL_EVENT_KHR
)
163 return _eglError(EGL_BAD_ATTRIBUTE
, "eglGetSyncAttribKHR");
164 *value
= sync
->SyncCondition
;
167 return _eglError(EGL_BAD_ATTRIBUTE
, "eglGetSyncAttribKHR");