diff options
Diffstat (limited to 'xorg-server/dix/window.c')
| -rw-r--r-- | xorg-server/dix/window.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/xorg-server/dix/window.c b/xorg-server/dix/window.c index 821c815f7..31fc7b6e4 100644 --- a/xorg-server/dix/window.c +++ b/xorg-server/dix/window.c @@ -116,6 +116,7 @@ Equipment Corporation. #include "dixstruct.h"
#include "gcstruct.h"
#include "servermd.h"
+#include "mivalidate.h"
#ifdef PANORAMIX
#include "panoramiX.h"
#include "panoramiXsrv.h"
@@ -3684,3 +3685,105 @@ WindowParentHasDeviceCursor(WindowPtr pWin, }
return FALSE;
}
+
+/*
+ * SetRootClip --
+ * Enable or disable rendering to the screen by
+ * setting the root clip list and revalidating
+ * all of the windows
+ */
+void
+SetRootClip(ScreenPtr pScreen, Bool enable)
+{
+ WindowPtr pWin = pScreen->root;
+ WindowPtr pChild;
+ Bool WasViewable;
+ Bool anyMarked = FALSE;
+ WindowPtr pLayerWin;
+ BoxRec box;
+
+ if (!pWin)
+ return;
+ WasViewable = (Bool)(pWin->viewable);
+ if (WasViewable)
+ {
+ for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
+ {
+ (void) (*pScreen->MarkOverlappedWindows)(pChild,
+ pChild,
+ &pLayerWin);
+ }
+ (*pScreen->MarkWindow) (pWin);
+ anyMarked = TRUE;
+ if (pWin->valdata)
+ {
+ if (HasBorder (pWin))
+ {
+ RegionPtr borderVisible;
+
+ borderVisible = RegionCreate(NullBox, 1);
+ RegionSubtract(borderVisible,
+ &pWin->borderClip, &pWin->winSize);
+ pWin->valdata->before.borderVisible = borderVisible;
+ }
+ pWin->valdata->before.resized = TRUE;
+ }
+ }
+
+ /*
+ * Use REGION_BREAK to avoid optimizations in ValidateTree
+ * that assume the root borderClip can't change well, normally
+ * it doesn't...)
+ */
+ if (enable)
+ {
+ box.x1 = 0;
+ box.y1 = 0;
+ box.x2 = pScreen->width;
+ box.y2 = pScreen->height;
+ RegionInit(&pWin->winSize, &box, 1);
+ RegionInit(&pWin->borderSize, &box, 1);
+ if (WasViewable)
+ RegionReset(&pWin->borderClip, &box);
+ pWin->drawable.width = pScreen->width;
+ pWin->drawable.height = pScreen->height;
+ RegionBreak(&pWin->clipList);
+ }
+ else
+ {
+ RegionEmpty(&pWin->borderClip);
+ RegionBreak(&pWin->clipList);
+ }
+
+ ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
+
+ if (WasViewable)
+ {
+ if (pWin->firstChild)
+ {
+ anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,
+ pWin->firstChild,
+ (WindowPtr *)NULL);
+ }
+ else
+ {
+ (*pScreen->MarkWindow) (pWin);
+ anyMarked = TRUE;
+ }
+
+
+ if (anyMarked)
+ (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
+ }
+
+ if (WasViewable)
+ {
+ if (anyMarked)
+ (*pScreen->HandleExposures)(pWin);
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);
+ }
+ if (pWin->realized)
+ WindowsRestructured ();
+ FlushAllOutput();
+}
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