backup/cnc-ddraw
1
0
Fork 0
mirror of https://github.com/FunkyFr3sh/cnc-ddraw.git synced 2025-03-17 06:44:03 +01:00
Code Issues Projects Releases Activity

add debug code for possible DwmFlush failure

Browse Source
This commit is contained in:
FunkyFr3sh 2024-02-25 23:46:32 +01:00
parent bc1bf81e15
commit 5b3a7b4994
3 changed files with 37 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
inc/fps_limiter.h
View File

@ -48,12 +48,14 @@ typedef struct FPSLIMITER
D3DKMTCLOSEADAPTERPROC D3DKMTCloseAdapter;
BOOL got_adapter;
BOOL initialized;
CRITICAL_SECTION cs;
BOOL cs_initialized;
} FPSLIMITER;
extern FPSLIMITER g_fpsl;
void fpsl_init();
BOOL fpsl_wait_for_vblank(BOOL open_adapter);
BOOL fpsl_wait_for_vblank();
BOOL fpsl_dwm_flush();
BOOL fpsl_dwm_is_enabled();
void fpsl_frame_start();

6
src/dd.c
View File

@ -1224,11 +1224,7 @@ HRESULT dd_WaitForVerticalBlank(DWORD dwFlags, HANDLE hEvent)
{
if (g_config.maxgameticks == -2)
{
BOOL open =
!(g_config.maxfps < 0 ||
(g_config.vsync && (!g_config.maxfps || g_config.maxfps >= g_ddraw->mode.dmDisplayFrequency)));
if (fpsl_dwm_flush() || fpsl_wait_for_vblank(open))
if (fpsl_dwm_flush() || fpsl_wait_for_vblank())
return DD_OK;
}

41
src/fps_limiter.c
View File

@ -35,6 +35,12 @@ void fpsl_init()
g_fpsl.D3DKMTCloseAdapter(&g_fpsl.close_adapter);
}
if (!g_fpsl.cs_initialized)
{
g_fpsl.cs_initialized = TRUE;
InitializeCriticalSection(&g_fpsl.cs);
}
if (!g_fpsl.gdi32_dll)
{
g_fpsl.gdi32_dll = real_LoadLibraryA("gdi32.dll");
@ -78,19 +84,26 @@ void fpsl_init()
g_fpsl.initialized = TRUE;
}
BOOL fpsl_wait_for_vblank(BOOL open_adapter)
BOOL fpsl_wait_for_vblank()
{
if (g_fpsl.initialized)
{
if (open_adapter && g_fpsl.D3DKMTOpenAdapterFromHdc && !g_fpsl.got_adapter)
if (!g_fpsl.got_adapter && g_fpsl.D3DKMTOpenAdapterFromHdc && g_ddraw->render.hdc)
{
g_fpsl.adapter.hDc = g_ddraw->render.hdc;
EnterCriticalSection(&g_fpsl.cs);
if (g_fpsl.D3DKMTOpenAdapterFromHdc(&g_fpsl.adapter) == 0)
if (!g_fpsl.got_adapter)
{
g_fpsl.vblank_event.hAdapter = g_fpsl.adapter.hAdapter;
g_fpsl.got_adapter = TRUE;
g_fpsl.adapter.hDc = g_ddraw->render.hdc;
if (g_fpsl.D3DKMTOpenAdapterFromHdc(&g_fpsl.adapter) == 0)
{
g_fpsl.vblank_event.hAdapter = g_fpsl.adapter.hAdapter;
g_fpsl.got_adapter = TRUE;
}
}
LeaveCriticalSection(&g_fpsl.cs);
}
if (g_fpsl.got_adapter && g_fpsl.D3DKMTWaitForVerticalBlankEvent)
@ -104,7 +117,19 @@ BOOL fpsl_wait_for_vblank(BOOL open_adapter)
BOOL fpsl_dwm_flush()
{
return g_fpsl.initialized && fpsl_dwm_is_enabled() && g_fpsl.DwmFlush && SUCCEEDED(g_fpsl.DwmFlush());
if (g_fpsl.initialized && fpsl_dwm_is_enabled() && g_fpsl.DwmFlush)
{
HRESULT x = g_fpsl.DwmFlush();
if (!SUCCEEDED(x))
{
//TRACE(" ERROR %s(result=%08X)\n", __FUNCTION__, x);
}
return SUCCEEDED(x);
}
return FALSE;
}
BOOL fpsl_dwm_is_enabled()
@ -128,7 +153,7 @@ void fpsl_frame_end()
if (g_config.maxfps < 0 ||
(g_config.vsync && (!g_config.maxfps || g_config.maxfps >= g_ddraw->mode.dmDisplayFrequency)))
{
if (fpsl_dwm_flush() || fpsl_wait_for_vblank(TRUE))
if (fpsl_dwm_flush() || fpsl_wait_for_vblank())
return;
}