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Apply patch in bug #7919, blit improvements in

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multiwindow mode for Xming/CygwinX
This commit is contained in:
Alan Hourihane 2006-08-24 13:56:22 +01:00
parent 67bd672c88
commit ce4a0a4dda
2 changed files with 13 additions and 14 deletions
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20
hw/xwin/winmultiwindowwndproc.c
View File

@ -304,7 +304,6 @@ winTopLevelWindowProc (HWND hwnd, UINT message,
winScreenInfo *s_pScreenInfo = NULL;
HWND hwndScreen = NULL;
DrawablePtr pDraw = NULL;
int iX, iY, iWidth, iHeight, iBorder;
winWMMessageRec wmMsg;
Bool fWMMsgInitialized = FALSE;
static Bool s_fTracking = FALSE;
@ -442,20 +441,19 @@ winTopLevelWindowProc (HWND hwnd, UINT message,
/* BeginPaint gives us an hdc that clips to the invalidated region */
hdcUpdate = BeginPaint (hwnd, &ps);
/* Get the position and dimensions of the window */
iBorder = wBorderWidth (pWin);
iX = pWin->drawable.x;
iY = pWin->drawable.y;
iWidth = pWin->drawable.width;
iHeight = pWin->drawable.height;
/* Avoid the BitBlt's if the PAINTSTRUCT is bogus */
if (ps.rcPaint.right==0 && ps.rcPaint.bottom==0 && ps.rcPaint.left==0 && ps.rcPaint.top==0)
{
EndPaint (hwndScreen, &ps);
return 0;
}
/* Try to copy from the shadow buffer */
if (!BitBlt (hdcUpdate,
0, 0,
iWidth, iHeight,
ps.rcPaint.left, ps.rcPaint.top,
ps.rcPaint.right - ps.rcPaint.left, ps.rcPaint.bottom - ps.rcPaint.top,
s_pScreenPriv->hdcShadow,
iX, iY,
ps.rcPaint.left + pWin->drawable.x, ps.rcPaint.top + pWin->drawable.y,
SRCCOPY))
{
LPVOID lpMsgBuf;

7
hw/xwin/winshadgdi.c
View File

@ -540,8 +540,9 @@ winShadowUpdateGDI (ScreenPtr pScreen,
* handle large regions by creating a clipping region and
* doing a single blit constrained to that clipping region.
*/
if (pScreenInfo->dwClipUpdatesNBoxes == 0
|| dwBox < pScreenInfo->dwClipUpdatesNBoxes)
if (!pScreenInfo->fMultiWindow &&
(pScreenInfo->dwClipUpdatesNBoxes == 0 ||
dwBox < pScreenInfo->dwClipUpdatesNBoxes))
{
/* Loop through all boxes in the damaged region */
while (dwBox--)
@ -566,7 +567,7 @@ winShadowUpdateGDI (ScreenPtr pScreen,
++pBox;
}
}
else
else if (!pScreenInfo->fMultiWindow)
{
/* Compute a GDI region from the damaged region */
hrgnCombined = CreateRectRgn (pBox->x1, pBox->y1, pBox->x2, pBox->y2);