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improve fps limiter for vsync and maxfps=-1

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This commit is contained in:
FunkyFr3sh 2021-02-02 18:15:25 +01:00
parent d2903413a0
commit a6f85fbd73
11 changed files with 223 additions and 217 deletions
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52
inc/fps_limiter.h Normal file
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#ifndef FPS_LIMITER_H
#define FPS_LIMITER_H
#include <windows.h>
#include <dwmapi.h>
typedef struct _D3DKMT_WAITFORVERTICALBLANKEVENT {
UINT hAdapter;
UINT hDevice;
UINT VidPnSourceId;
} D3DKMT_WAITFORVERTICALBLANKEVENT;
typedef struct _D3DKMT_OPENADAPTERFROMHDC {
HDC hDc;
UINT hAdapter;
LUID AdapterLuid;
UINT VidPnSourceId;
} D3DKMT_OPENADAPTERFROMHDC;
typedef struct _D3DKMT_CLOSEADAPTER {
UINT hAdapter;
} D3DKMT_CLOSEADAPTER;
typedef struct fps_limiter
{
DWORD tick_start;
DWORD tick_end;
DWORD tick_length;
LONGLONG tick_length_ns;
HANDLE htimer;
LARGE_INTEGER due_time;
D3DKMT_WAITFORVERTICALBLANKEVENT vblank_event;
D3DKMT_OPENADAPTERFROMHDC adapter;
D3DKMT_CLOSEADAPTER close_adapter;
HRESULT(WINAPI* DwmFlush)(VOID);
HRESULT(WINAPI* DwmIsCompositionEnabled)(BOOL*);
NTSTATUS(WINAPI* D3DKMTWaitForVerticalBlankEvent)(const D3DKMT_WAITFORVERTICALBLANKEVENT* Arg1);
NTSTATUS(WINAPI* D3DKMTOpenAdapterFromHdc)(D3DKMT_OPENADAPTERFROMHDC* Arg1);
NTSTATUS(WINAPI* D3DKMTCloseAdapter)(D3DKMT_CLOSEADAPTER* Arg1);
BOOL got_adapter;
} fps_limiter;
extern fps_limiter g_fpsl;
void fpsl_init();
BOOL fpsl_wait_for_vblank();
BOOL fpsl_dwn_is_enabled();
void fpsl_frame_start();
void fpsl_frame_end();
#endif