diff options
| -rw-r--r-- | src/menu/gl_delayed_allocation.cpp | 94 | ||||
| -rw-r--r-- | src/menu/gl_delayed_allocation.hpp | 65 |
2 files changed, 159 insertions, 0 deletions
diff --git a/src/menu/gl_delayed_allocation.cpp b/src/menu/gl_delayed_allocation.cpp new file mode 100644 index 00000000..f30b15d5 --- /dev/null +++ b/src/menu/gl_delayed_allocation.cpp @@ -0,0 +1,94 @@ +/* + * UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include "gl_delayed_allocation.hpp" +#include "application.hpp" + +namespace usdx +{ + log4cpp::Category& GlDelayedAllocation::log = + log4cpp::Category::getInstance("usdx.menu.gl_delayed_allocation"); + + GlDelayedAllocation::GlDelayedAllocation() + : initialized(false), end_of_life(false) + { + } + + GlDelayedAllocation::~GlDelayedAllocation() + { + boost::shared_lock<boost::shared_mutex> lock(initialized_mutex); + if (initialized) { + log << log4cpp::Priority::ERROR << "You forgot to call dispose, " + << "before destroying an object with GlDelayedAllocation"; + } + } + + void GlDelayedAllocation::do_dispose(void) + { + boost::upgrade_lock<boost::shared_mutex> initialized_lock(initialized_mutex); + if (initialized) { + { + boost::unique_lock<boost::shared_mutex> end_of_life_lock(end_of_life_mutex); + end_of_life = true; + } + + if (Application::is_gl_thread()) { + this->gl_cleanup(); + + boost::upgrade_to_unique_lock<boost::shared_mutex> unique_lock(initialized_lock); + initialized = false; + } + else { + dispose_done.wait(initialized_lock); + } + } + } + + void GlDelayedAllocation::enable(void) + { + boost::upgrade_lock<boost::shared_mutex> initialized_lock(initialized_mutex); + if (!initialized) { + this->gl_initialize(); + + boost::upgrade_to_unique_lock<boost::shared_mutex> unique_lock(initialized_lock); + initialized = true; + } + } + + void GlDelayedAllocation::disable(void) + { + boost::upgrade_lock<boost::shared_mutex> initialized_lock(initialized_mutex); + boost::upgrade_lock<boost::shared_mutex> end_of_life_lock(end_of_life_mutex); + if (initialized && end_of_life) { + this->gl_cleanup(); + + { + boost::upgrade_to_unique_lock<boost::shared_mutex> unique_lock(initialized_lock); + initialized = false; + } + + dispose_done.notify_all(); + } + } +}; diff --git a/src/menu/gl_delayed_allocation.hpp b/src/menu/gl_delayed_allocation.hpp new file mode 100644 index 00000000..92fe3600 --- /dev/null +++ b/src/menu/gl_delayed_allocation.hpp @@ -0,0 +1,65 @@ +/* + * UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#ifndef GL_DELAYED_ALLOCATION_HPP +#define GL_DELAYED_ALLOCATION_HPP + +#include <log4cpp/Category.hh> +#include <boost/thread/shared_mutex.hpp> +#include <boost/thread/condition.hpp> + +#include "utils/disposable.hpp" +#include "utils/activatable.hpp" +#include "drawable.hpp" + +namespace usdx +{ + class GlDelayedAllocation : public Activatable, public Disposable + { + private: + static log4cpp::Category& log; + + bool initialized; + bool end_of_life; + + boost::shared_mutex initialized_mutex; + boost::shared_mutex end_of_life_mutex; + boost::condition dispose_done; + + protected: + virtual void gl_initialize(void) = 0; + virtual void gl_cleanup(void) = 0; + + virtual void do_dispose(void); + + public: + GlDelayedAllocation(); + virtual ~GlDelayedAllocation(); + + virtual void enable(void); + virtual void disable(void); + }; +}; + +#endif |