void
shadowUpdateIplan2p4(ScreenPtr pScreen, shadowBufPtr pBuf)
{
RegionPtr damage = shadowDamage(pBuf);
PixmapPtr pShadow = pBuf->pPixmap;
int nbox = RegionNumRects(damage);
BoxPtr pbox = RegionRects(damage);
FbBits *shaBase;
CARD16 *shaLine, *sha;
FbStride shaStride;
int scrLine;
_X_UNUSED int shaBpp, shaXoff, shaYoff;
int x, y, w, h;
int i, n;
CARD16 *win;
_X_UNUSED CARD32 winSize;
union {
CARD8 bytes[8];
CARD32 words[2];
} d;
fbGetDrawable(&pShadow->drawable, shaBase, shaStride, shaBpp, shaXoff,
shaYoff);
shaStride *= sizeof(FbBits) / sizeof(CARD16);
while (nbox--) {
x = pbox->x1;
y = pbox->y1;
w = pbox->x2 - pbox->x1;
h = pbox->y2 - pbox->y1;
scrLine = (x & -16) / 2;
shaLine = (CARD16 *)shaBase + y * shaStride + scrLine / sizeof(CARD16);
n = ((x & 15) + w + 15) / 16; /* number of c2p units in scanline */
while (h--) {
sha = shaLine;
win = (CARD16 *) (*pBuf->window) (pScreen,
y,
scrLine,
SHADOW_WINDOW_WRITE,
&winSize,
pBuf->closure);
if (!win)
return;
for (i = 0; i < n; i++) {
memcpy(d.bytes, sha, sizeof(d.bytes));
c2p_16x4(d.words);
store_iplan2p4(win, d.words);
sha += sizeof(d.bytes) / sizeof(*sha);
win += sizeof(d.bytes) / sizeof(*win);
}
shaLine += shaStride;
y++;
}
pbox++;
}
}
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 = REGION_NUM_RECTS (damage);
BoxPtr pBox = REGION_RECTS (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;
/* 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 = REGION_EXTENTS (pScreen, 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, g_pszLogFile);
/* Location of shadow framebuffer has changed */
pScreenInfo->pfb = pScreenPriv->pddsdShadow->lpSurface;
/* Update the screen pixmap */
if (!(*pScreen->ModifyPixmapHeader)(pScreen->devPrivate,
pScreen->width,
pScreen->height,
pScreen->rootDepth,
BitsPerPixel (pScreen->rootDepth),
PixmapBytePad (pScreenInfo->dwStride,
pScreenInfo->dwBPP),
pScreenInfo->pfb))
{
ErrorF ("winShadowUpdateDD - Bits changed, could not "
"notify fb.\n");
return;
}
}
}
static void
winShadowUpdateDDNL (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->pddsPrimary4 || !pScreenPriv->pddsShadow4)
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);
/*
* 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 rectangle */
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 = IDirectDrawSurface4_Blt (pScreenPriv->pddsPrimary4,
&rcDest,
pScreenPriv->pddsShadow4,
&rcSrc,
DDBLT_WAIT,
NULL);
if (FAILED (ddrval))
{
static int s_iFailCount = 0;
if (s_iFailCount < FAIL_MSG_MAX_BLT)
{
ErrorF ("winShadowUpdateDDNL - IDirectDrawSurface4_Blt () "
"failed: %08x\n",
(unsigned int) ddrval);
++s_iFailCount;
if (s_iFailCount == FAIL_MSG_MAX_BLT)
{
ErrorF ("winShadowUpdateDDNL - IDirectDrawSurface4_Blt "
"failure message maximum (%d) reached. No "
"more failure messages will be printed.\n",
FAIL_MSG_MAX_BLT);
}
}
}
/* 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;
#if CYGDEBUG
winDebug ("winShadowUpdateDDNL - be x1 %d y1 %d x2 %d y2 %d\n",
pBoxExtents->x1, pBoxExtents->y1,
pBoxExtents->x2, pBoxExtents->y2);
#endif
/* 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 = IDirectDrawSurface4_Blt (pScreenPriv->pddsPrimary4,
&rcDest,
pScreenPriv->pddsShadow4,
&rcSrc,
DDBLT_WAIT,
NULL);
/* Reset the clip region */
SelectClipRgn (pScreenPriv->hdcScreen, NULL);
}
}
static void
winShadowUpdateGDI (ScreenPtr pScreen,
shadowBufPtr pBuf)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RegionPtr damage = shadowDamage(pBuf);
DWORD dwBox = RegionNumRects (damage);
BoxPtr pBox = RegionRects (damage);
int x, y, w, h;
HRGN hrgnTemp = NULL, hrgnCombined = NULL;
#ifdef XWIN_UPDATESTATS
static DWORD s_dwNonUnitRegions = 0;
static DWORD s_dwTotalUpdates = 0;
static DWORD s_dwTotalBoxes = 0;
#endif
BoxPtr pBoxExtents = RegionExtents(damage);
/*
* 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;
#ifdef XWIN_UPDATESTATS
++s_dwTotalUpdates;
s_dwTotalBoxes += dwBox;
if (dwBox != 1)
{
++s_dwNonUnitRegions;
ErrorF ("winShadowUpdatGDI - dwBox: %d\n", dwBox);
}
if ((s_dwTotalUpdates % 100) == 0)
ErrorF ("winShadowUpdateGDI - %d%% non-unity regions, avg boxes: %d "
"nu: %d tu: %d\n",
(s_dwNonUnitRegions * 100) / s_dwTotalUpdates,
s_dwTotalBoxes / s_dwTotalUpdates,
s_dwNonUnitRegions, s_dwTotalUpdates);
#endif /* XWIN_UPDATESTATS */
/*
* 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->fMultiWindow &&
(pScreenInfo->dwClipUpdatesNBoxes == 0 ||
dwBox < pScreenInfo->dwClipUpdatesNBoxes))
{
/* Loop through all boxes in the damaged region */
while (dwBox--)
{
/*
* Calculate x offset, y offset, width, and height for
* current damage box
*/
x = pBox->x1;
y = pBox->y1;
w = pBox->x2 - pBox->x1;
h = pBox->y2 - pBox->y1;
BitBlt (pScreenPriv->hdcScreen,
x, y,
w, h,
pScreenPriv->hdcShadow,
x, y,
SRCCOPY);
/* Get a pointer to the next box */
++pBox;
}
}
else if (!pScreenInfo->fMultiWindow)
{
/* 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;
/*
* Blit the shadow buffer to the screen,
* constrained to the clipping region.
*/
BitBlt (pScreenPriv->hdcScreen,
pBoxExtents->x1, pBoxExtents->y1,
pBoxExtents->x2 - pBoxExtents->x1,
pBoxExtents->y2 - pBoxExtents->y1,
pScreenPriv->hdcShadow,
pBoxExtents->x1, pBoxExtents->y1,
SRCCOPY);
/* Reset the clip region */
SelectClipRgn (pScreenPriv->hdcScreen, NULL);
}
#ifdef XWIN_MULTIWINDOW
/* Redraw all multiwindow windows */
if (pScreenInfo->fMultiWindow)
EnumThreadWindows (g_dwCurrentThreadID,
winRedrawDamagedWindowShadowGDI,
(LPARAM)pBoxExtents);
#endif
}
