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authormarha <marha@users.sourceforge.net>2010-06-11 12:14:52 +0000
committermarha <marha@users.sourceforge.net>2010-06-11 12:14:52 +0000
commit4c61bf84b11e26e6f22648668c95ea760a379163 (patch)
tree0ac762ab2815eae283dded7447ad7cb5a54b926a /xorg-server/dix/pixmap.c
parente1dabd2ce8be0d70c6c15353b58de256129dfd1f (diff)
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xserver git update 11/6/2010
Diffstat (limited to 'xorg-server/dix/pixmap.c')
-rw-r--r--xorg-server/dix/pixmap.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/xorg-server/dix/pixmap.c b/xorg-server/dix/pixmap.c
index 460da771e..3943f5582 100644
--- a/xorg-server/dix/pixmap.c
+++ b/xorg-server/dix/pixmap.c
@@ -91,6 +91,11 @@ FreeScratchPixmapHeader(PixmapPtr pPixmap)
Bool
CreateScratchPixmapsForScreen(int scrnum)
{
+ unsigned int pixmap_size;
+
+ pixmap_size = sizeof(PixmapRec) + dixPrivatesSize(PRIVATE_PIXMAP);
+ screenInfo.screens[scrnum]->totalPixmapSize = BitmapBytePad(pixmap_size * 8);
+
/* let it be created on first use */
screenInfo.screens[scrnum]->pScratchPixmap = NULL;
return TRUE;
@@ -110,6 +115,8 @@ AllocatePixmap(ScreenPtr pScreen, int pixDataSize)
{
PixmapPtr pPixmap;
+ assert(pScreen->totalPixmapSize > 0);
+
if (pScreen->totalPixmapSize > ((size_t)-1) - pixDataSize)
return NullPixmap;
@@ -117,6 +124,14 @@ AllocatePixmap(ScreenPtr pScreen, int pixDataSize)
if (!pPixmap)
return NullPixmap;
- pPixmap->devPrivates = NULL;
+ dixInitPrivates(pPixmap, pPixmap + 1, PRIVATE_PIXMAP);
return pPixmap;
}
+
+/* callable by ddx */
+void
+FreePixmap(PixmapPtr pPixmap)
+{
+ dixFiniPrivates(pPixmap, PRIVATE_PIXMAP);
+ free(pPixmap);
+}