mirror of https://github.com/minetest/minetest.git
134 lines
2.7 KiB
C++
134 lines
2.7 KiB
C++
/*
|
|
Minetest-c55
|
|
Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
|
|
|
|
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; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef IRRLICHTWRAPPER_HEADER
|
|
#define IRRLICHTWRAPPER_HEADER
|
|
|
|
#include "threads.h"
|
|
#include "common_irrlicht.h"
|
|
#include "debug.h"
|
|
#include "utility.h"
|
|
|
|
#include <jmutex.h>
|
|
#include <jmutexautolock.h>
|
|
#include <string>
|
|
|
|
/*
|
|
A thread-safe texture pointer cache.
|
|
|
|
This is used so that irrlicht doesn't get called from many
|
|
threads, because texture pointers have to be handled in
|
|
background threads.
|
|
*/
|
|
|
|
class TextureCache
|
|
{
|
|
public:
|
|
TextureCache()
|
|
{
|
|
m_mutex.Init();
|
|
assert(m_mutex.IsInitialized());
|
|
}
|
|
|
|
void set(std::string name, video::ITexture *texture)
|
|
{
|
|
if(texture == NULL)
|
|
return;
|
|
|
|
JMutexAutoLock lock(m_mutex);
|
|
|
|
m_textures[name] = texture;
|
|
}
|
|
|
|
video::ITexture* get(const std::string &name)
|
|
{
|
|
JMutexAutoLock lock(m_mutex);
|
|
|
|
core::map<std::string, video::ITexture*>::Node *n;
|
|
n = m_textures.find(name);
|
|
|
|
if(n != NULL)
|
|
return n->getValue();
|
|
|
|
return NULL;
|
|
}
|
|
|
|
private:
|
|
core::map<std::string, video::ITexture*> m_textures;
|
|
JMutex m_mutex;
|
|
};
|
|
|
|
/*
|
|
A thread-safe wrapper for irrlicht, to be accessed from
|
|
background worker threads.
|
|
|
|
Queues tasks to be done in the main thread.
|
|
*/
|
|
|
|
class IrrlichtWrapper
|
|
{
|
|
public:
|
|
/*
|
|
These are called from the main thread
|
|
*/
|
|
IrrlichtWrapper(IrrlichtDevice *device);
|
|
|
|
// Run queued tasks
|
|
void Run();
|
|
|
|
/*
|
|
These are called from other threads
|
|
*/
|
|
|
|
// Not exactly thread-safe but this needs to be fast.
|
|
// getTimer()->getRealTime() only reads one variable anyway.
|
|
u32 getTime()
|
|
{
|
|
return m_device->getTimer()->getRealTime();
|
|
}
|
|
|
|
/*
|
|
Path can contain stuff like
|
|
"/usr/share/minetest/stone.png[[mod:mineral0[[mod:crack3"
|
|
*/
|
|
video::ITexture* getTexture(const std::string &spec);
|
|
|
|
private:
|
|
/*
|
|
Non-thread-safe variants of stuff, for internal use
|
|
*/
|
|
video::ITexture* getTextureDirect(const std::string &spec);
|
|
|
|
/*
|
|
Members
|
|
*/
|
|
|
|
threadid_t m_main_thread;
|
|
|
|
JMutex m_device_mutex;
|
|
IrrlichtDevice *m_device;
|
|
|
|
TextureCache m_texturecache;
|
|
|
|
RequestQueue<std::string, video::ITexture*, u8, u8> m_get_texture_queue;
|
|
};
|
|
|
|
#endif
|
|
|