Title: [292488] trunk/Source/WebCore
- Revision
- 292488
- Author
- pvol...@apple.com
- Date
- 2022-04-06 12:06:37 -0700 (Wed, 06 Apr 2022)
Log Message
Avoid calling IOSurfaceAlignProperty in the WebContent process
https://bugs.webkit.org/show_bug.cgi?id=238870
<rdar://91252359>
Reviewed by Geoffrey Garen.
Use cached values for bytes per row alignment.
* platform/graphics/cg/ImageBufferIOSurfaceBackend.cpp:
(WebCore::ImageBufferIOSurfaceBackend::calculateBytesPerRow):
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (292487 => 292488)
--- trunk/Source/WebCore/ChangeLog 2022-04-06 19:05:23 UTC (rev 292487)
+++ trunk/Source/WebCore/ChangeLog 2022-04-06 19:06:37 UTC (rev 292488)
@@ -1,3 +1,16 @@
+2022-04-06 Per Arne Vollan <pvol...@apple.com>
+
+ Avoid calling IOSurfaceAlignProperty in the WebContent process
+ https://bugs.webkit.org/show_bug.cgi?id=238870
+ <rdar://91252359>
+
+ Reviewed by Geoffrey Garen.
+
+ Use cached values for bytes per row alignment.
+
+ * platform/graphics/cg/ImageBufferIOSurfaceBackend.cpp:
+ (WebCore::ImageBufferIOSurfaceBackend::calculateBytesPerRow):
+
2022-04-06 Chris Dumez <cdu...@apple.com>
Start replacing String(const char*) constructor with a String::fromLatin1(const char*) function
Modified: trunk/Source/WebCore/platform/graphics/cg/ImageBufferIOSurfaceBackend.cpp (292487 => 292488)
--- trunk/Source/WebCore/platform/graphics/cg/ImageBufferIOSurfaceBackend.cpp 2022-04-06 19:05:23 UTC (rev 292487)
+++ trunk/Source/WebCore/platform/graphics/cg/ImageBufferIOSurfaceBackend.cpp 2022-04-06 19:06:37 UTC (rev 292488)
@@ -29,6 +29,7 @@
#if HAVE(IOSURFACE)
#include "GraphicsContextCG.h"
+#include "IOSurface.h"
#include "IOSurfacePool.h"
#include "IntRect.h"
#include "PixelBuffer.h"
@@ -57,7 +58,8 @@
unsigned ImageBufferIOSurfaceBackend::calculateBytesPerRow(const IntSize& backendSize)
{
unsigned bytesPerRow = ImageBufferCGBackend::calculateBytesPerRow(backendSize);
- return IOSurfaceAlignProperty(kIOSurfaceBytesPerRow, bytesPerRow);
+ size_t alignmentMask = IOSurface::bytesPerRowAlignment() - 1;
+ return (bytesPerRow + alignmentMask) & ~alignmentMask;
}
size_t ImageBufferIOSurfaceBackend::calculateMemoryCost(const Parameters& parameters)
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