void
winDoRandRScreenSetSize (ScreenPtr pScreen,
CARD16 width,
CARD16 height,
CARD32 mmWidth,
CARD32 mmHeight)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
WindowPtr pRoot = pScreen->root;
// Prevent screen updates while we change things around
SetRootClip(pScreen, FALSE);
/* Update the screen size as requested */
pScreenInfo->dwWidth = width;
pScreenInfo->dwHeight = height;
/* Reallocate the framebuffer used by the drawing engine */
(*pScreenPriv->pwinFreeFB)(pScreen);
if (!(*pScreenPriv->pwinAllocateFB)(pScreen))
{
ErrorF ("winDoRandRScreenSetSize - Could not reallocate framebuffer\n");
}
pScreen->width = width;
pScreen->height = height;
pScreen->mmWidth = mmWidth;
pScreen->mmHeight = mmHeight;
/* Update the screen pixmap to point to the new framebuffer */
winUpdateFBPointer(pScreen, pScreenInfo->pfb);
// pScreen->devPrivate == pScreen->GetScreenPixmap(screen) ?
// resize the root window
//pScreen->ResizeWindow(pRoot, 0, 0, width, height, NULL);
// does this emit a ConfigureNotify??
// Restore the ability to update screen, now with new dimensions
SetRootClip(pScreen, TRUE);
// and arrange for it to be repainted
miPaintWindow(pRoot, &pRoot->borderClip, PW_BACKGROUND);
/* Indicate that a screen size change took place */
RRScreenSizeNotify(pScreen);
}
static Bool
winBltExposedRegionsShadowDD (ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RECT rcSrc, rcDest;
POINT ptOrigin;
HDC hdcUpdate = NULL;
PAINTSTRUCT ps;
HRESULT ddrval = DD_OK;
Bool fReturn = TRUE;
Bool fLocked = TRUE;
int i;
/* BeginPaint gives us an hdc that clips to the invalidated region */
hdcUpdate = BeginPaint (pScreenPriv->hwndScreen, &ps);
if (hdcUpdate == NULL)
{
ErrorF ("winBltExposedRegionsShadowDD - BeginPaint () returned "
"a NULL device context handle. Aborting blit attempt.\n");
return FALSE;
}
/* Unlock the shadow surface, so we can blit */
ddrval = IDirectDrawSurface2_Unlock (pScreenPriv->pddsShadow, NULL);
if (FAILED (ddrval))
{
fReturn = FALSE;
goto winBltExposedRegionsShadowDD_Exit;
}
else
{
/* Flag that we have unlocked the shadow surface */
fLocked = FALSE;
}
/* Get the origin of the window in the screen coords */
ptOrigin.x = pScreenInfo->dwXOffset;
ptOrigin.y = pScreenInfo->dwYOffset;
MapWindowPoints (pScreenPriv->hwndScreen,
HWND_DESKTOP,
(LPPOINT)&ptOrigin, 1);
rcDest.left = ptOrigin.x;
rcDest.right = ptOrigin.x + pScreenInfo->dwWidth;
rcDest.top = ptOrigin.y;
rcDest.bottom = ptOrigin.y + pScreenInfo->dwHeight;
/* Source can be enter shadow surface, as Blt should clip */
rcSrc.left = 0;
rcSrc.top = 0;
rcSrc.right = pScreenInfo->dwWidth;
rcSrc.bottom = pScreenInfo->dwHeight;
/* Try to regain the primary surface and blit again if we've lost it */
for (i = 0; i <= WIN_REGAIN_SURFACE_RETRIES; ++i)
{
/* Our Blt should be clipped to the invalidated region */
ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsPrimary,
&rcDest,
pScreenPriv->pddsShadow,
&rcSrc,
DDBLT_WAIT,
NULL);
if (ddrval == DDERR_SURFACELOST)
{
/* Surface was lost */
ErrorF ("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Blt "
"reported that the primary surface was lost, "
"trying to restore, retry: %d\n", i + 1);
/* Try to restore the surface, once */
ddrval = IDirectDrawSurface2_Restore (pScreenPriv->pddsPrimary);
ErrorF ("winBltExposedRegionsShadowDD - "
"IDirectDrawSurface2_Restore returned: ");
if (ddrval == DD_OK)
ErrorF ("DD_OK\n");
else if (ddrval == DDERR_WRONGMODE)
ErrorF ("DDERR_WRONGMODE\n");
else if (ddrval == DDERR_INCOMPATIBLEPRIMARY)
ErrorF ("DDERR_INCOMPATIBLEPRIMARY\n");
else if (ddrval == DDERR_UNSUPPORTED)
ErrorF ("DDERR_UNSUPPORTED\n");
else if (ddrval == DDERR_INVALIDPARAMS)
ErrorF ("DDERR_INVALIDPARAMS\n");
else if (ddrval == DDERR_INVALIDOBJECT)
ErrorF ("DDERR_INVALIDOBJECT\n");
else
ErrorF ("unknown error: %08x\n", (unsigned int) ddrval);
/* Loop around to try the blit one more time */
continue;
}
else if (FAILED (ddrval))
{
fReturn = FALSE;
ErrorF ("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Blt "
"failed, but surface not lost: %08x %d\n",
(unsigned int) ddrval, (int) ddrval);
goto winBltExposedRegionsShadowDD_Exit;
}
else
{
/* Success, stop looping */
break;
}
}
/* Relock the shadow surface */
ddrval = IDirectDrawSurface2_Lock (pScreenPriv->pddsShadow,
NULL,
pScreenPriv->pddsdShadow,
DDLOCK_WAIT,
NULL);
if (FAILED (ddrval))
{
fReturn = FALSE;
ErrorF ("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Lock "
"failed\n");
goto winBltExposedRegionsShadowDD_Exit;
}
else
{
/* Indicate that we have relocked the shadow surface */
fLocked = TRUE;
}
/* Has our memory pointer changed? */
if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface)
winUpdateFBPointer (pScreen,
pScreenPriv->pddsdShadow->lpSurface);
winBltExposedRegionsShadowDD_Exit:
/* EndPaint frees the DC */
if (hdcUpdate != NULL)
EndPaint (pScreenPriv->hwndScreen, &ps);
/*
* Relock the surface if it is not locked. We don't care if locking fails,
* as it will cause the server to shutdown within a few more operations.
*/
if (!fLocked)
{
IDirectDrawSurface2_Lock (pScreenPriv->pddsShadow,
NULL,
pScreenPriv->pddsdShadow,
DDLOCK_WAIT,
NULL);
/* Has our memory pointer changed? */
if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface)
winUpdateFBPointer (pScreen,
pScreenPriv->pddsdShadow->lpSurface);
fLocked = TRUE;
}
return fReturn;
}
Bool
winActivateAppPrimaryDD (ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RECT rcSrc, rcClient;
HRESULT ddrval = DD_OK;
/* Check for errors */
if (pScreenPriv == NULL
|| pScreenPriv->pddsPrimary == NULL
|| pScreenPriv->pddsOffscreen == NULL)
return FALSE;
/* Check for do-nothing */
if (!pScreenPriv->fActive)
return TRUE;
/* We are activating */
ddrval = IDirectDrawSurface2_IsLost (pScreenPriv->pddsOffscreen);
if (ddrval == DD_OK)
{
IDirectDrawSurface2_Unlock (pScreenPriv->pddsOffscreen,
NULL);
/*
* We don't check for an error from Unlock, because it
* doesn't matter if the Unlock failed.
*/
}
/* Restore both surfaces, just cause I like it that way */
IDirectDrawSurface2_Restore (pScreenPriv->pddsOffscreen);
IDirectDrawSurface2_Restore (pScreenPriv->pddsPrimary);
/* Get client area in screen coords */
GetClientRect (pScreenPriv->hwndScreen, &rcClient);
MapWindowPoints (pScreenPriv->hwndScreen,
HWND_DESKTOP,
(LPPOINT)&rcClient, 2);
/* Setup a source rectangle */
rcSrc.left = 0;
rcSrc.top = 0;
rcSrc.right = pScreenInfo->dwWidth;
rcSrc.bottom = pScreenInfo->dwHeight;
ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsPrimary,
&rcClient,
pScreenPriv->pddsOffscreen,
&rcSrc,
DDBLT_WAIT,
NULL);
if (ddrval != DD_OK)
FatalError ("winActivateAppPrimaryDD () - Failed blitting offscreen "
"surface to primary surface %08x\n", ddrval);
/* Lock the primary surface */
ddrval = IDirectDrawSurface2_Lock (pScreenPriv->pddsPrimary,
&rcClient,
pScreenPriv->pddsdPrimary,
DDLOCK_WAIT,
NULL);
if (ddrval != DD_OK
|| pScreenPriv->pddsdPrimary->lpSurface == NULL)
FatalError ("winActivateAppPrimaryDD () - Could not lock "
"primary surface\n");
/* Notify FB of the new memory pointer */
winUpdateFBPointer (pScreen,
pScreenPriv->pddsdPrimary->lpSurface);
/*
* Register the Alt-Tab combo as a hotkey so we can copy
* the primary framebuffer before the display mode changes
*/
RegisterHotKey (pScreenPriv->hwndScreen, 1, MOD_ALT, 9);
return TRUE;
}
Bool
winHotKeyAltTabPrimaryDD (ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RECT rcClient, rcSrc;
HRESULT ddrval = DD_OK;
ErrorF ("\nwinHotKeyAltTabPrimaryDD\n\n");
/* Alt+Tab was pressed, we will lose focus very soon */
pScreenPriv->fActive = FALSE;
/* Check for error conditions */
if (pScreenPriv->pddsPrimary == NULL
|| pScreenPriv->pddsOffscreen == NULL)
return FALSE;
/* Get client area in screen coords */
GetClientRect (pScreenPriv->hwndScreen, &rcClient);
MapWindowPoints (pScreenPriv->hwndScreen,
HWND_DESKTOP,
(LPPOINT)&rcClient, 2);
/* Did we loose the primary surface? */
ddrval = IDirectDrawSurface2_IsLost (pScreenPriv->pddsPrimary);
if (ddrval == DD_OK)
{
ddrval = IDirectDrawSurface2_Unlock (pScreenPriv->pddsPrimary,
NULL);
if (FAILED (ddrval))
FatalError ("winHotKeyAltTabPrimaryDD - Failed unlocking primary "
"surface\n");
}
/* Setup a source rectangle */
rcSrc.left = 0;
rcSrc.top = 0;
rcSrc.right = pScreenInfo->dwWidth;
rcSrc.bottom = pScreenInfo->dwHeight;
/* Blit the primary surface to the offscreen surface */
ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsOffscreen,
NULL, /* should be rcDest */
pScreenPriv->pddsPrimary,
NULL,
DDBLT_WAIT,
NULL);
if (ddrval == DDERR_SURFACELOST)
{
IDirectDrawSurface2_Restore (pScreenPriv->pddsOffscreen);
IDirectDrawSurface2_Restore (pScreenPriv->pddsPrimary);
/* Blit the primary surface to the offscreen surface */
ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsOffscreen,
NULL,
pScreenPriv->pddsPrimary,
NULL,
DDBLT_WAIT,
NULL);
if (FAILED (ddrval))
FatalError ("winHotKeyAltTabPrimaryDD - Failed blitting primary "
"surface to offscreen surface: %08x\n",
ddrval);
}
else
{
FatalError ("winHotKeyAltTabPrimaryDD - Unknown error from "
"Blt: %08dx\n", ddrval);
}
/* Lock the offscreen surface */
ddrval = IDirectDrawSurface2_Lock (pScreenPriv->pddsOffscreen,
NULL,
pScreenPriv->pddsdOffscreen,
DDLOCK_WAIT,
NULL);
if (ddrval != DD_OK
|| pScreenPriv->pddsdPrimary->lpSurface == NULL)
FatalError ("winHotKeyAltTabPrimaryDD - Could not lock "
"offscreen surface\n");
/* Notify FB of the new memory pointer */
winUpdateFBPointer (pScreen,
pScreenPriv->pddsdOffscreen->lpSurface);
/* Unregister our hotkey */
UnregisterHotKey (pScreenPriv->hwndScreen, 1);
return TRUE;
}
static void
winShadowUpdateDD (ScreenPtr pScreen,
shadowBufPtr pBuf)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RegionPtr damage = shadowDamage(pBuf);
HRESULT ddrval = DD_OK;
RECT rcDest, rcSrc;
POINT ptOrigin;
DWORD dwBox = RegionNumRects (damage);
BoxPtr pBox = RegionRects (damage);
HRGN hrgnTemp = NULL, hrgnCombined = NULL;
/*
* Return immediately if the app is not active
* and we are fullscreen, or if we have a bad display depth
*/
if ((!pScreenPriv->fActive && pScreenInfo->fFullScreen)
|| pScreenPriv->fBadDepth) return;
/* Return immediately if we didn't get needed surfaces */
if (!pScreenPriv->pddsPrimary || !pScreenPriv->pddsShadow)
return;
/* Get the origin of the window in the screen coords */
ptOrigin.x = pScreenInfo->dwXOffset;
ptOrigin.y = pScreenInfo->dwYOffset;
MapWindowPoints (pScreenPriv->hwndScreen,
HWND_DESKTOP,
(LPPOINT)&ptOrigin, 1);
/* Unlock the shadow surface, so we can blit */
ddrval = IDirectDrawSurface2_Unlock (pScreenPriv->pddsShadow, NULL);
if (FAILED (ddrval))
{
ErrorF ("winShadowUpdateDD - Unlock failed\n");
return;
}
/*
* Handle small regions with multiple blits,
* 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)
{
/* Loop through all boxes in the damaged region */
while (dwBox--)
{
/* Assign damage box to source rectangle */
rcSrc.left = pBox->x1;
rcSrc.top = pBox->y1;
rcSrc.right = pBox->x2;
rcSrc.bottom = pBox->y2;
/* Calculate destination rectange */
rcDest.left = ptOrigin.x + rcSrc.left;
rcDest.top = ptOrigin.y + rcSrc.top;
rcDest.right = ptOrigin.x + rcSrc.right;
rcDest.bottom = ptOrigin.y + rcSrc.bottom;
/* Blit the damaged areas */
ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsPrimary,
&rcDest,
pScreenPriv->pddsShadow,
&rcSrc,
DDBLT_WAIT,
NULL);
/* Get a pointer to the next box */
++pBox;
}
}
else
{
BoxPtr pBoxExtents = RegionExtents(damage);
/* Compute a GDI region from the damaged region */
hrgnCombined = CreateRectRgn (pBox->x1, pBox->y1, pBox->x2, pBox->y2);
dwBox--;
pBox++;
while (dwBox--)
{
hrgnTemp = CreateRectRgn (pBox->x1, pBox->y1, pBox->x2, pBox->y2);
CombineRgn (hrgnCombined, hrgnCombined, hrgnTemp, RGN_OR);
DeleteObject (hrgnTemp);
pBox++;
}
/* Install the GDI region as a clipping region */
SelectClipRgn (pScreenPriv->hdcScreen, hrgnCombined);
DeleteObject (hrgnCombined);
hrgnCombined = NULL;
/* Calculating a bounding box for the source is easy */
rcSrc.left = pBoxExtents->x1;
rcSrc.top = pBoxExtents->y1;
rcSrc.right = pBoxExtents->x2;
rcSrc.bottom = pBoxExtents->y2;
/* Calculating a bounding box for the destination is trickier */
rcDest.left = ptOrigin.x + rcSrc.left;
rcDest.top = ptOrigin.y + rcSrc.top;
rcDest.right = ptOrigin.x + rcSrc.right;
rcDest.bottom = ptOrigin.y + rcSrc.bottom;
/* Our Blt should be clipped to the invalidated region */
ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsPrimary,
&rcDest,
pScreenPriv->pddsShadow,
&rcSrc,
DDBLT_WAIT,
NULL);
/* Reset the clip region */
SelectClipRgn (pScreenPriv->hdcScreen, NULL);
}
/* Relock the shadow surface */
ddrval = IDirectDrawSurface2_Lock (pScreenPriv->pddsShadow,
NULL,
pScreenPriv->pddsdShadow,
DDLOCK_WAIT,
NULL);
if (FAILED (ddrval))
{
ErrorF ("winShadowUpdateDD - Lock failed\n");
return;
}
/* Has our memory pointer changed? */
if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface)
{
ErrorF ("winShadowUpdateDD - Memory location of the shadow "
"surface has changed, trying to update the root window "
"pixmap header to point to the new address. If you get "
"this message and "PROJECT_NAME" freezes or crashes "
"after this message then send a problem report and your "
"%s file to " BUILDERADDR "\n", g_pszLogFile);
/* Location of shadow framebuffer has changed */
winUpdateFBPointer(pScreen, pScreenPriv->pddsdShadow->lpSurface);
}
}
