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Diffstat (limited to 'xorg-server/dix/pixmap.c')
-rw-r--r--xorg-server/dix/pixmap.c268
1 files changed, 131 insertions, 137 deletions
diff --git a/xorg-server/dix/pixmap.c b/xorg-server/dix/pixmap.c
index 3943f5582..47b220b58 100644
--- a/xorg-server/dix/pixmap.c
+++ b/xorg-server/dix/pixmap.c
@@ -1,137 +1,131 @@
-/*
-
-Copyright 1993, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from The Open Group.
-
-*/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include "scrnintstr.h"
-#include "misc.h"
-#include "os.h"
-#include "windowstr.h"
-#include "resource.h"
-#include "dixstruct.h"
-#include "gcstruct.h"
-#include "servermd.h"
-#include "site.h"
-
-
-/*
- * Scratch pixmap management and device independent pixmap allocation
- * function.
- */
-
-
-/* callable by ddx */
-PixmapPtr
-GetScratchPixmapHeader(ScreenPtr pScreen, int width, int height, int depth,
- int bitsPerPixel, int devKind, pointer pPixData)
-{
- PixmapPtr pPixmap = pScreen->pScratchPixmap;
-
- if (pPixmap)
- pScreen->pScratchPixmap = NULL;
- else
- /* width and height of 0 means don't allocate any pixmap data */
- pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth, 0);
-
- if (pPixmap) {
- if ((*pScreen->ModifyPixmapHeader)(pPixmap, width, height, depth,
- bitsPerPixel, devKind, pPixData))
- return pPixmap;
- (*pScreen->DestroyPixmap)(pPixmap);
- }
- return NullPixmap;
-}
-
-
-/* callable by ddx */
-void
-FreeScratchPixmapHeader(PixmapPtr pPixmap)
-{
- if (pPixmap)
- {
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
-
- pPixmap->devPrivate.ptr = NULL; /* lest ddx chases bad ptr */
- if (pScreen->pScratchPixmap)
- (*pScreen->DestroyPixmap)(pPixmap);
- else
- pScreen->pScratchPixmap = 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;
-}
-
-
-void
-FreeScratchPixmapsForScreen(int scrnum)
-{
- FreeScratchPixmapHeader(screenInfo.screens[scrnum]->pScratchPixmap);
-}
-
-
-/* callable by ddx */
-PixmapPtr
-AllocatePixmap(ScreenPtr pScreen, int pixDataSize)
-{
- PixmapPtr pPixmap;
-
- assert(pScreen->totalPixmapSize > 0);
-
- if (pScreen->totalPixmapSize > ((size_t)-1) - pixDataSize)
- return NullPixmap;
-
- pPixmap = malloc(pScreen->totalPixmapSize + pixDataSize);
- if (!pPixmap)
- return NullPixmap;
-
- dixInitPrivates(pPixmap, pPixmap + 1, PRIVATE_PIXMAP);
- return pPixmap;
-}
-
-/* callable by ddx */
-void
-FreePixmap(PixmapPtr pPixmap)
-{
- dixFiniPrivates(pPixmap, PRIVATE_PIXMAP);
- free(pPixmap);
-}
+/*
+
+Copyright 1993, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include "scrnintstr.h"
+#include "misc.h"
+#include "os.h"
+#include "windowstr.h"
+#include "resource.h"
+#include "dixstruct.h"
+#include "gcstruct.h"
+#include "servermd.h"
+#include "site.h"
+
+/*
+ * Scratch pixmap management and device independent pixmap allocation
+ * function.
+ */
+
+/* callable by ddx */
+PixmapPtr
+GetScratchPixmapHeader(ScreenPtr pScreen, int width, int height, int depth,
+ int bitsPerPixel, int devKind, pointer pPixData)
+{
+ PixmapPtr pPixmap = pScreen->pScratchPixmap;
+
+ if (pPixmap)
+ pScreen->pScratchPixmap = NULL;
+ else
+ /* width and height of 0 means don't allocate any pixmap data */
+ pPixmap = (*pScreen->CreatePixmap) (pScreen, 0, 0, depth, 0);
+
+ if (pPixmap) {
+ if ((*pScreen->ModifyPixmapHeader) (pPixmap, width, height, depth,
+ bitsPerPixel, devKind, pPixData))
+ return pPixmap;
+ (*pScreen->DestroyPixmap) (pPixmap);
+ }
+ return NullPixmap;
+}
+
+/* callable by ddx */
+void
+FreeScratchPixmapHeader(PixmapPtr pPixmap)
+{
+ if (pPixmap) {
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+
+ pPixmap->devPrivate.ptr = NULL; /* lest ddx chases bad ptr */
+ if (pScreen->pScratchPixmap)
+ (*pScreen->DestroyPixmap) (pPixmap);
+ else
+ pScreen->pScratchPixmap = 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;
+}
+
+void
+FreeScratchPixmapsForScreen(int scrnum)
+{
+ FreeScratchPixmapHeader(screenInfo.screens[scrnum]->pScratchPixmap);
+}
+
+/* callable by ddx */
+PixmapPtr
+AllocatePixmap(ScreenPtr pScreen, int pixDataSize)
+{
+ PixmapPtr pPixmap;
+
+ assert(pScreen->totalPixmapSize > 0);
+
+ if (pScreen->totalPixmapSize > ((size_t) - 1) - pixDataSize)
+ return NullPixmap;
+
+ pPixmap = malloc(pScreen->totalPixmapSize + pixDataSize);
+ if (!pPixmap)
+ return NullPixmap;
+
+ dixInitPrivates(pPixmap, pPixmap + 1, PRIVATE_PIXMAP);
+ return pPixmap;
+}
+
+/* callable by ddx */
+void
+FreePixmap(PixmapPtr pPixmap)
+{
+ dixFiniPrivates(pPixmap, PRIVATE_PIXMAP);
+ free(pPixmap);
+}
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