1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
#include <string.h>
#include "eglsync.h"
#include "eglcurrent.h"
#include "egllog.h"
#ifdef EGL_KHR_reusable_sync
/**
* Parse the list of sync attributes and return the proper error code.
*/
static EGLint
_eglParseSyncAttribList(_EGLSync *sync, const EGLint *attrib_list)
{
EGLint i, err = EGL_SUCCESS;
if (!attrib_list)
return EGL_SUCCESS;
for (i = 0; attrib_list[i] != EGL_NONE; i++) {
EGLint attr = attrib_list[i++];
EGLint val = attrib_list[i];
switch (attr) {
default:
(void) val;
err = EGL_BAD_ATTRIBUTE;
break;
}
if (err != EGL_SUCCESS) {
_eglLog(_EGL_DEBUG, "bad sync attribute 0x%04x", attr);
break;
}
}
return err;
}
EGLBoolean
_eglInitSync(_EGLSync *sync, _EGLDisplay *dpy, EGLenum type,
const EGLint *attrib_list)
{
EGLint err;
if (!(type == EGL_SYNC_REUSABLE_KHR && dpy->Extensions.KHR_reusable_sync) &&
!(type == EGL_SYNC_FENCE_KHR && dpy->Extensions.KHR_fence_sync))
return _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
_eglInitResource(&sync->Resource, sizeof(*sync), dpy);
sync->Type = type;
sync->SyncStatus = EGL_UNSIGNALED_KHR;
sync->SyncCondition = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR;
err = _eglParseSyncAttribList(sync, attrib_list);
if (err != EGL_SUCCESS)
return _eglError(err, "eglCreateSyncKHR");
return EGL_TRUE;
}
EGLBoolean
_eglGetSyncAttribKHR(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
EGLint attribute, EGLint *value)
{
if (!value)
return _eglError(EGL_BAD_PARAMETER, "eglGetConfigs");
switch (attribute) {
case EGL_SYNC_TYPE_KHR:
*value = sync->Type;
break;
case EGL_SYNC_STATUS_KHR:
*value = sync->SyncStatus;
break;
case EGL_SYNC_CONDITION_KHR:
if (sync->Type != EGL_SYNC_FENCE_KHR)
return _eglError(EGL_BAD_ATTRIBUTE, "eglGetSyncAttribKHR");
*value = sync->SyncCondition;
break;
default:
return _eglError(EGL_BAD_ATTRIBUTE, "eglGetSyncAttribKHR");
break;
}
return EGL_TRUE;
}
#endif /* EGL_KHR_reusable_sync */
|
