Differential D1917 Diff 9217 source/graphics/TextureConverter.h

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source/graphics/TextureConverter.h

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* You should have received a copy of the GNU General Public License		* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.		* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/		*/

#ifndef INCLUDED_TEXTURECONVERTER		#ifndef INCLUDED_TEXTURECONVERTER
#define INCLUDED_TEXTURECONVERTER		#define INCLUDED_TEXTURECONVERTER

#include "lib/file/vfs/vfs.h"		#include "lib/file/vfs/vfs.h"
#include "lib/posix/posix_pthread.h"
#include "lib/external_libraries/libsdl.h"		#include "lib/external_libraries/libsdl.h"

#include "TextureManager.h"		#include "TextureManager.h"

		#include <thread>

class MD5;		class MD5;

/**		/**
* Texture conversion helper class.		* Texture conversion helper class.
* Provides an asynchronous API to convert input image files into compressed DDS,		* Provides an asynchronous API to convert input image files into compressed DDS,
* given various conversion settings.		* given various conversion settings.
* (The (potentially very slow) compression is a performed in a background thread,		* (The (potentially very slow) compression is a performed in a background thread,
* so the game can remain responsive).		* so the game can remain responsive).
▲ Show 20 Lines • Show All 159 Lines • ▼ Show 20 Lines	public:

/**		/**
* Returns whether there is currently a queued request from ConvertTexture().		* Returns whether there is currently a queued request from ConvertTexture().
* (Note this may return false while the worker thread is still converting the last texture.)		* (Note this may return false while the worker thread is still converting the last texture.)
*/		*/
bool IsBusy();		bool IsBusy();

private:		private:
static void* RunThread(void* data);		static void RunThread(CTextureConverter* data);

PIVFS m_VFS;		PIVFS m_VFS;
bool m_HighQuality;		bool m_HighQuality;

pthread_t m_WorkerThread;		std::thread m_WorkerThread;
pthread_mutex_t m_WorkerMutex;		std::mutex m_WorkerMutex;
SDL_sem* m_WorkerSem;		SDL_sem* m_WorkerSem;

struct ConversionRequest;		struct ConversionRequest;
struct ConversionResult;		struct ConversionResult;

std::deque<shared_ptr<ConversionRequest> > m_RequestQueue; // protected by m_WorkerMutex		std::deque<shared_ptr<ConversionRequest> > m_RequestQueue; // protected by m_WorkerMutex
std::deque<shared_ptr<ConversionResult> > m_ResultQueue; // protected by m_WorkerMutex		std::deque<shared_ptr<ConversionResult> > m_ResultQueue; // protected by m_WorkerMutex
bool m_Shutdown; // protected by m_WorkerMutex		bool m_Shutdown; // protected by m_WorkerMutex
};		};

#endif // INCLUDED_TEXTURECONVERTER		#endif // INCLUDED_TEXTURECONVERTER