зеркало из https://github.com/mozilla/pjs.git
61 строка
1.7 KiB
Diff
61 строка
1.7 KiB
Diff
Index: fbcompose.c
|
|
===================================================================
|
|
RCS file: /cvsroot/mozilla/gfx/cairo/libpixman/src/fbcompose.c,v
|
|
retrieving revision 1.6
|
|
diff -u -8 -p -r1.6 fbcompose.c
|
|
--- pixman/src/fbcompose.c 11 Jan 2006 00:48:57 -0000 1.6
|
|
+++ pixman/src/fbcompose.c 8 Feb 2006 00:27:16 -0000
|
|
@@ -23,16 +23,17 @@
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
|
* SOFTWARE.
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
#include "pixman-xserver-compat.h"
|
|
#include "fbpict.h"
|
|
+#include "fbmmx.h"
|
|
|
|
#ifdef RENDER
|
|
|
|
#include "pixregionint.h"
|
|
|
|
#ifdef _MSC_VER
|
|
#define _USE_MATH_DEFINES
|
|
#endif
|
|
@@ -3756,16 +3757,34 @@ fbCompositeRect (const FbComposeData *da
|
|
data->mask->componentAlpha &&
|
|
PICT_FORMAT_RGB (data->mask->format_code))
|
|
{
|
|
CARD32 *mask_buffer = dest_buffer + data->width;
|
|
CombineFuncC compose = composeFunctions.combineC[data->op];
|
|
if (!compose)
|
|
return;
|
|
|
|
+ /* XXX: The non-MMX version of some of the fbCompose functions
|
|
+ * overwrite the source or mask data (ones that use
|
|
+ * fbCombineMaskC, fbCombineMaskAlphaC, or fbCombineMaskValueC
|
|
+ * as helpers). This causes problems with the optimization in
|
|
+ * this function that only fetches the source or mask once if
|
|
+ * possible. If we're on a non-MMX machine, disable this
|
|
+ * optimization as a bandaid fix.
|
|
+ *
|
|
+ * https://bugs.freedesktop.org/show_bug.cgi?id=5777
|
|
+ */
|
|
+#ifdef USE_MMX
|
|
+ if (!fbHaveMMX())
|
|
+#endif
|
|
+ {
|
|
+ srcClass = SourcePictClassUnknown;
|
|
+ maskClass = SourcePictClassUnknown;
|
|
+ }
|
|
+
|
|
for (i = 0; i < data->height; ++i) {
|
|
/* fill first half of scanline with source */
|
|
if (fetchSrc)
|
|
{
|
|
if (fetchMask)
|
|
{
|
|
/* fetch mask before source so that fetching of
|
|
source can be optimized */
|