dxx-rebirth/common/include/ogl_sync.h
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2018-09-02 00:57:29 +00:00

46 lines
913 B
C++

/*
* This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.
* It is copyright by its individual contributors, as recorded in the
* project's Git history. See COPYING.txt at the top level for license
* terms and a link to the Git history.
*/
/* OpenGL Synchronization code:
* either use fence sync objects or glFinish() to prevent the GPU from
* lagging behind too much.
*/
#pragma once
#include <memory>
#include "maths.h"
#include "args.h"
#include "ogl_extensions.h"
namespace dcx {
#if DXX_USE_OGL
class ogl_sync {
class sync_deleter
{
public:
typedef GLsync pointer;
void operator()(pointer p) const;
};
private:
SyncGLMethod method;
fix wait_timeout;
std::unique_ptr<GLsync, sync_deleter> fence;
public:
ogl_sync();
~ogl_sync();
void before_swap();
void after_swap();
void init(SyncGLMethod sync_method, int wait);
void deinit();
};
#endif
}