godot/thirdparty/etcpak/TaskDispatch.hpp
K. S. Ernest (iFire) Lee d840165a32
Add etcpak library for faster ETC/ETC2/S3TC imports.
- `etc` module was renamed to `etcpak` and modified to use the new library.
- PKM importer is removed in the process, it's obsolete.
- Old library `etc2comp` is removed.
- S3TC compression no longer done via `squish` (but decompression still is).
- Slight modifications to etcpak sources for MinGW compatibility,
  to fix LLVM `-Wc++11-narrowing` errors, and to allow using vendored or
  system libpng.

Co-authored-by: Rémi Verschelde <rverschelde@gmail.com>
2021-04-13 00:12:12 +02:00

35 lines
687 B
C++

#ifndef __DARKRL__TASKDISPATCH_HPP__
#define __DARKRL__TASKDISPATCH_HPP__
#include <atomic>
#include <condition_variable>
#include <functional>
#include <mutex>
#include <thread>
#include <vector>
class TaskDispatch
{
public:
TaskDispatch( size_t workers );
~TaskDispatch();
static void Queue( const std::function<void(void)>& f );
static void Queue( std::function<void(void)>&& f );
static void Sync();
private:
void Worker();
std::vector<std::function<void(void)>> m_queue;
std::mutex m_queueLock;
std::condition_variable m_cvWork, m_cvJobs;
std::atomic<bool> m_exit;
size_t m_jobs;
std::vector<std::thread> m_workers;
};
#endif