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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_VCL_INC_OPENGL_ZONE_H
#define INCLUDED_VCL_INC_OPENGL_ZONE_H
#include <sal/config.h>
#include <sal/types.h>
#include <vcl/dllapi.h>
class OpenGLZoneTest;
class OpenGLWatchdogThread;
/**
* We want to be able to detect if a given crash came
* from the OpenGL code, so use this helper to track that.
*/
class VCL_DLLPUBLIC OpenGLZone {
friend class OpenGLZoneTest;
friend class OpenGLWatchdogThread;
friend class OpenGLSalGraphicsImpl;
/// how many times have we entered a GL zone
static volatile sal_uInt64 gnEnterCount;
/// how many times have we left a new GL zone
static volatile sal_uInt64 gnLeaveCount;
static void enter();
static void leave();
public:
OpenGLZone() { gnEnterCount++; }
~OpenGLZone() { gnLeaveCount++; }
static bool isInZone() { return gnEnterCount != gnLeaveCount; }
static void hardDisable();
static void relaxWatchdogTimings();
};
/// Create this to not only enter the zone, but set VCL context.
class OpenGLVCLContextZone {
OpenGLZone aZone;
public:
OpenGLVCLContextZone();
};
class VCL_DLLPUBLIC PreDefaultWinNoOpenGLZone {
public:
PreDefaultWinNoOpenGLZone();
~PreDefaultWinNoOpenGLZone();
};
#endif // INCLUDED_VCL_INC_OPENGL_ZONE_H
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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