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* Copyright © 2011 NVIDIA Corporation
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* NVIDIA Corporation not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior permission.
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* NVIDIA Corporation makes no representations about the suitability of this
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* software for any purpose. It is provided "as is" without express or
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* NVIDIA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
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* NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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* Authors: James Jones <jajones@nvidia.com>
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#ifndef _GLXTOGLSYNC_H
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#define _GLXTOGLSYNC_H
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#include <composite/composite.h>
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#include <opengl/opengl.h>
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#include <X11/extensions/sync.h>
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#include "opengl/opengl.h"
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* Class that manages an XFenceSync wrapped in a GLsync object.
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* Can be used to synchronize operations in the GL command stream
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* with operations in the X command stream.
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XSyncAlarm alarm (void) const { return a; }
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bool isReady (void) const { return state == XTOGLS_READY; }
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* Sends the trigger request to the server. The fence will be signaled
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* after all rendering has completed.
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* Calls glWaitSync. Any OpenGL commands after this will wait for the
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* fence to be signaled.
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void insertWait (void);
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* Blocks until the fence is signaled, or until a timeout expires.
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* \param The maximum time to wait, in nanoseconds.
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* \return One of \c GL_ALREADY_SIGNALED, \c GL_CONDITION_SATISFIED,
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* \c GL_TIMEOUT_EXPIRED, or \c GL_WAIT_FAILED.
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GLenum checkUpdateFinished (GLuint64 timeout);
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void handleEvent (XSyncAlarmNotifyEvent *ev);
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XSyncValue nextCounterValue;
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static bool syncValuesInitialized;
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static XSyncValue zero;
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static XSyncValue one;
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static Bool alarmEventPredicate (Display *dpy, XEvent *ev, XPointer arg);
added
removed
plugins/opengl/include/opengl/xtoglsync.h
