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Call SyncUpdate in ReleaseDC instead of EndPaint

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Vincent Wei
2020-02-27 10:38:05 +08:00
parent 366bbb1ff0
commit 98cdfd9bfb
2 changed files with 5 additions and 15 deletions
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src/gui/window.c
-8
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@@ -5744,11 +5744,8 @@ HDC GUIAPI BeginPaint (HWND hWnd)
return hdc; return hdc;
} }
/* Since 5.0.0
Call SyncUpdateDC only in EndPaint can eliminate flickers effectively. */
void GUIAPI EndPaint (HWND hWnd, HDC hdc) void GUIAPI EndPaint (HWND hWnd, HDC hdc)
{ {
BOOL synced = FALSE;
PMAINWIN pWin; PMAINWIN pWin;
MG_CHECK (MG_IS_NORMAL_WINDOW(hWnd)); MG_CHECK (MG_IS_NORMAL_WINDOW(hWnd));
@@ -5762,8 +5759,6 @@ void GUIAPI EndPaint (HWND hWnd, HDC hdc)
__mg_update_secondary_dc (pWin, hdc, real_dc, __mg_update_secondary_dc (pWin, hdc, real_dc,
&pWin->pMainWin->update_rc, HT_CLIENT); &pWin->pMainWin->update_rc, HT_CLIENT);
ReleaseDC (real_dc); ReleaseDC (real_dc);
SyncUpdateDC (real_dc);
synced = TRUE;
} }
} }
@@ -5793,9 +5788,6 @@ void GUIAPI EndPaint (HWND hWnd, HDC hdc)
ShowCaretEx (hWnd, FALSE); ShowCaretEx (hWnd, FALSE);
} }
#endif #endif
if (!synced)
SyncUpdateDC (hdc);
} }
BOOL RegisterWindowClass (PWNDCLASS pWndClass) BOOL RegisterWindowClass (PWNDCLASS pWndClass)
src/newgdi/gdi.c
+5 -7
View File
@@ -2289,13 +2289,11 @@ void GUIAPI ReleaseDC (HDC hDC)
pdc = dc_HDC2PDC(hDC); pdc = dc_HDC2PDC(hDC);
/* Call SyncUpdateDC at the end of EndPaint to elimiate flickers. /* Only call SyncUpdateDC when releasing a DC.
if (pdc->bIsClient) { This will emilinate flickers effectively. */
LOCK (&__mg_gdilock); LOCK (&__mg_gdilock);
GAL_SyncUpdate (pdc->surface); GAL_SyncUpdate (pdc->surface);
UNLOCK (&__mg_gdilock); UNLOCK (&__mg_gdilock);
}
*/
pWin = (PMAINWIN)(pdc->hwnd); pWin = (PMAINWIN)(pdc->hwnd);
if (pWin && pWin->privCDC == hDC) { if (pWin && pWin->privCDC == hDC) {