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Improve Xgl offscreen memory manager

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This commit is contained in:
David Reveman 2005-03-08 08:48:22 +00:00
parent e26a096cb6
commit 51155ca68b
1 changed files with 24 additions and 19 deletions
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23
hw/xgl/xglarea.c
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@ -40,6 +40,7 @@ xglAreaMoveOut (xglAreaPtr pArea)
{
(*pArea->pRoot->funcs->MoveOut) (pArea, pArea->closure);
pArea->closure = (pointer) 0;
pArea->state = xglAreaAvailable;
}
@ -108,34 +109,37 @@ xglAreaDestroy (xglAreaPtr pArea)
static xglAreaPtr
xglAreaGetTopScoredSubArea (xglAreaPtr pArea)
{
if (!pArea)
return NULL;
switch (pArea->state) {
case xglAreaOccupied:
return pArea;
case xglAreaAvailable:
break;
case xglAreaDivided:
{
case xglAreaDivided: {
xglAreaPtr tmp, top = NULL;
int i;
for (i = 0; i < 4; i++)
{
if (pArea->pArea[i])
{
tmp = xglAreaGetTopScoredSubArea (pArea->pArea[i]);
if (!tmp)
break;
if ((!top) ||
(*pArea->pRoot->funcs->CompareScore) (tmp,
if (tmp && top)
{
if ((*pArea->pRoot->funcs->CompareScore) (tmp,
tmp->closure,
top->closure) > 0)
top = tmp;
}
else if (tmp)
{
top = tmp;
}
}
return top;
}
}
return NULL;
}
@ -254,6 +258,7 @@ xglAreaFind (xglAreaPtr pArea,
pArea->pArea[i] = NULL;
}
pArea->closure = (pointer) 0;
pArea->state = xglAreaAvailable;
if (xglFindArea (pArea, width, height, TRUE, closure))
return TRUE;