diff options
Diffstat (limited to 'xorg-server/dix/pixmap.c')
| -rw-r--r-- | xorg-server/dix/pixmap.c | 17 |
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);
+}
|