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/*
* 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();
}
}
};
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