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"
37 * Parse the list of sync attributes and return the proper error code.
40 _eglParseSyncAttribList(_EGLSync
*sync
, const EGLint
*attrib_list
)
42 EGLint i
, err
= EGL_SUCCESS
;
47 for (i
= 0; attrib_list
[i
] != EGL_NONE
; i
++) {
48 EGLint attr
= attrib_list
[i
++];
49 EGLint val
= attrib_list
[i
];
54 err
= EGL_BAD_ATTRIBUTE
;
58 if (err
!= EGL_SUCCESS
) {
59 _eglLog(_EGL_DEBUG
, "bad sync attribute 0x%04x", attr
);
69 _eglParseSyncAttribList64(_EGLSync
*sync
, const EGLAttribKHR
*attrib_list
)
71 EGLint i
, err
= EGL_SUCCESS
;
76 for (i
= 0; attrib_list
[i
] != EGL_NONE
; i
++) {
77 EGLint attr
= attrib_list
[i
++];
78 EGLint val
= attrib_list
[i
];
81 case EGL_CL_EVENT_HANDLE_KHR
:
82 if (sync
->Type
== EGL_SYNC_CL_EVENT_KHR
) {
89 err
= EGL_BAD_ATTRIBUTE
;
93 if (err
!= EGL_SUCCESS
) {
94 _eglLog(_EGL_DEBUG
, "bad sync attribute 0x%04x", attr
);
104 _eglInitSync(_EGLSync
*sync
, _EGLDisplay
*dpy
, EGLenum type
,
105 const EGLint
*attrib_list
, const EGLAttribKHR
*attrib_list64
)
109 if (!(type
== EGL_SYNC_REUSABLE_KHR
&& dpy
->Extensions
.KHR_reusable_sync
) &&
110 !(type
== EGL_SYNC_FENCE_KHR
&& dpy
->Extensions
.KHR_fence_sync
) &&
111 !(type
== EGL_SYNC_CL_EVENT_KHR
&& dpy
->Extensions
.KHR_cl_event2
&&
113 return _eglError(EGL_BAD_ATTRIBUTE
, "eglCreateSyncKHR");
115 _eglInitResource(&sync
->Resource
, sizeof(*sync
), dpy
);
117 sync
->SyncStatus
= EGL_UNSIGNALED_KHR
;
120 case EGL_SYNC_CL_EVENT_KHR
:
121 sync
->SyncCondition
= EGL_SYNC_CL_EVENT_COMPLETE_KHR
;
124 sync
->SyncCondition
= EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR
;
128 err
= _eglParseSyncAttribList64(sync
, attrib_list64
);
130 err
= _eglParseSyncAttribList(sync
, attrib_list
);
132 if (err
!= EGL_SUCCESS
)
133 return _eglError(err
, "eglCreateSyncKHR");
135 if (type
== EGL_SYNC_CL_EVENT_KHR
&& !sync
->CLEvent
)
136 return _eglError(EGL_BAD_ATTRIBUTE
, "eglCreateSyncKHR");
143 _eglGetSyncAttribKHR(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
,
144 EGLint attribute
, EGLint
*value
)
147 return _eglError(EGL_BAD_PARAMETER
, "eglGetConfigs");
150 case EGL_SYNC_TYPE_KHR
:
153 case EGL_SYNC_STATUS_KHR
:
154 *value
= sync
->SyncStatus
;
156 case EGL_SYNC_CONDITION_KHR
:
157 if (sync
->Type
!= EGL_SYNC_FENCE_KHR
&&
158 sync
->Type
!= EGL_SYNC_CL_EVENT_KHR
)
159 return _eglError(EGL_BAD_ATTRIBUTE
, "eglGetSyncAttribKHR");
160 *value
= sync
->SyncCondition
;
163 return _eglError(EGL_BAD_ATTRIBUTE
, "eglGetSyncAttribKHR");