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
95
96
97
98
99
100
101
|
#ifndef EGLSYNC_INCLUDED
#define EGLSYNC_INCLUDED
#include "egltypedefs.h"
#include "egldisplay.h"
#ifdef EGL_KHR_reusable_sync
/**
* "Base" class for device driver syncs.
*/
struct _egl_sync
{
/* A sync is a display resource */
_EGLResource Resource;
EGLenum Type;
EGLenum SyncStatus;
EGLenum SyncCondition;
};
PUBLIC EGLBoolean
_eglInitSync(_EGLSync *sync, _EGLDisplay *dpy, EGLenum type,
const EGLint *attrib_list);
extern EGLBoolean
_eglGetSyncAttribKHR(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
EGLint attribute, EGLint *value);
/**
* Link a sync to a display and return the handle of the link.
* The handle can be passed to client directly.
*/
static INLINE EGLSyncKHR
_eglLinkSync(_EGLSync *sync, _EGLDisplay *dpy)
{
_eglLinkResource(&sync->Resource, _EGL_RESOURCE_SYNC, dpy);
return (EGLSyncKHR) sync;
}
/**
* Unlink a linked sync from its display.
*/
static INLINE void
_eglUnlinkSync(_EGLSync *sync)
{
_eglUnlinkResource(&sync->Resource, _EGL_RESOURCE_SYNC);
}
/**
* Lookup a handle to find the linked sync.
* Return NULL if the handle has no corresponding linked sync.
*/
static INLINE _EGLSync *
_eglLookupSync(EGLSyncKHR handle, _EGLDisplay *dpy)
{
_EGLSync *sync = (_EGLSync *) handle;
if (!dpy || !_eglCheckResource((void *) sync, _EGL_RESOURCE_SYNC, dpy))
sync = NULL;
return sync;
}
/**
* Return the handle of a linked sync, or EGL_NO_SYNC_KHR.
*/
static INLINE EGLSyncKHR
_eglGetSyncHandle(_EGLSync *sync)
{
_EGLResource *res = (_EGLResource *) sync;
return (res && _eglIsResourceLinked(res)) ?
(EGLSyncKHR) sync : EGL_NO_SYNC_KHR;
}
/**
* Return true if the sync is linked to a display.
*
* The link is considered a reference to the sync (the display is owning the
* sync). Drivers should not destroy a sync when it is linked.
*/
static INLINE EGLBoolean
_eglIsSyncLinked(_EGLSync *sync)
{
_EGLResource *res = (_EGLResource *) sync;
return (res && _eglIsResourceLinked(res));
}
#endif /* EGL_KHR_reusable_sync */
#endif /* EGLSYNC_INCLUDED */
|
