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