Title: [176110] trunk/Source/WebCore
Revision
176110
Author
[email protected]
Date
2014-11-13 17:15:34 -0800 (Thu, 13 Nov 2014)

Log Message

Unreviewed, rolling out r176106.
https://bugs.webkit.org/show_bug.cgi?id=138719

needs build love (Requested by kling on #webkit).

Reverted changeset:

"[mac] Keep around more decoded image data, since it's
purgeable"
https://bugs.webkit.org/show_bug.cgi?id=125273
http://trac.webkit.org/changeset/176106

Patch by Commit Queue <[email protected]> on 2014-11-13

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (176109 => 176110)


--- trunk/Source/WebCore/ChangeLog	2014-11-14 01:07:48 UTC (rev 176109)
+++ trunk/Source/WebCore/ChangeLog	2014-11-14 01:15:34 UTC (rev 176110)
@@ -1,3 +1,17 @@
+2014-11-13  Commit Queue  <[email protected]>
+
+        Unreviewed, rolling out r176106.
+        https://bugs.webkit.org/show_bug.cgi?id=138719
+
+        needs build love (Requested by kling on #webkit).
+
+        Reverted changeset:
+
+        "[mac] Keep around more decoded image data, since it's
+        purgeable"
+        https://bugs.webkit.org/show_bug.cgi?id=125273
+        http://trac.webkit.org/changeset/176106
+
 2014-11-13  Eric Carlson  <[email protected]>
 
         Context menus should not offer the "Download video" option for videos that cannot 

Modified: trunk/Source/WebCore/loader/cache/CachedImage.h (176109 => 176110)


--- trunk/Source/WebCore/loader/cache/CachedImage.h	2014-11-14 01:07:48 UTC (rev 176109)
+++ trunk/Source/WebCore/loader/cache/CachedImage.h	2014-11-14 01:15:34 UTC (rev 176110)
@@ -24,7 +24,6 @@
 #define CachedImage_h
 
 #include "CachedResource.h"
-#include "Image.h"
 #include "ImageObserver.h"
 #include "IntRect.h"
 #include "IntSizeHash.h"
@@ -116,8 +115,6 @@
 
     virtual bool stillNeedsLoad() const override { return !errorOccurred() && status() == Unknown && !isLoading(); }
 
-    virtual bool decodedDataIsPurgeable() const override { return m_image && m_image->decodedDataIsPurgeable(); }
-
     // ImageObserver
     virtual void decodedSizeChanged(const Image*, int delta) override;
     virtual void didDraw(const Image*) override;

Modified: trunk/Source/WebCore/loader/cache/CachedResource.h (176109 => 176110)


--- trunk/Source/WebCore/loader/cache/CachedResource.h	2014-11-14 01:07:48 UTC (rev 176109)
+++ trunk/Source/WebCore/loader/cache/CachedResource.h	2014-11-14 01:15:34 UTC (rev 176110)
@@ -144,8 +144,6 @@
     unsigned encodedSize() const { return m_encodedSize; }
     unsigned decodedSize() const { return m_decodedSize; }
     unsigned overheadSize() const;
-
-    virtual bool decodedDataIsPurgeable() const { return false; }
     
     bool isLoaded() const { return !m_loading; } // FIXME. Method name is inaccurate. Loading might not have started yet.
 

Modified: trunk/Source/WebCore/loader/cache/MemoryCache.cpp (176109 => 176110)


--- trunk/Source/WebCore/loader/cache/MemoryCache.cpp	2014-11-14 01:07:48 UTC (rev 176109)
+++ trunk/Source/WebCore/loader/cache/MemoryCache.cpp	2014-11-14 01:15:34 UTC (rev 176110)
@@ -342,11 +342,6 @@
             if (!shouldDestroyDecodedDataForAllLiveResources && elapsedTime < cMinDelayBeforeLiveDecodedPrune)
                 return;
 
-            if (current->decodedDataIsPurgeable()) {
-                current = prev;
-                continue;
-            }
-
             // Destroy our decoded data. This will remove us from 
             // m_liveDecodedResources, and possibly move us to a different LRU 
             // list in m_allResources.

Modified: trunk/Source/WebCore/platform/graphics/BitmapImage.cpp (176109 => 176110)


--- trunk/Source/WebCore/platform/graphics/BitmapImage.cpp	2014-11-14 01:07:48 UTC (rev 176109)
+++ trunk/Source/WebCore/platform/graphics/BitmapImage.cpp	2014-11-14 01:15:34 UTC (rev 176110)
@@ -132,11 +132,6 @@
     const unsigned largeAnimationCutoff = 5242880;
 #endif
 
-    // If decoded data is purgeable, the operating system will
-    // take care of throwing it away when the system is under pressure.
-    if (decodedDataIsPurgeable())
-        return;
-
     // If we have decoded frames but there is no encoded data, we shouldn't destroy
     // the decoded image since we won't be able to reconstruct it later.
     if (!data() && m_frames.size())

Modified: trunk/Source/WebCore/platform/graphics/BitmapImage.h (176109 => 176110)


--- trunk/Source/WebCore/platform/graphics/BitmapImage.h	2014-11-14 01:07:48 UTC (rev 176109)
+++ trunk/Source/WebCore/platform/graphics/BitmapImage.h	2014-11-14 01:15:34 UTC (rev 176110)
@@ -283,15 +283,6 @@
 #endif
 
 private:
-    virtual bool decodedDataIsPurgeable() const override
-    {
-#if PLATFORM(MAC) && !PLATFORM(IOS) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
-        return true;
-#else
-        return false;
-#endif
-    }
-
     ImageSource m_source;
     mutable IntSize m_size; // The size to use for the overall image (will just be the size of the first image).
     mutable IntSize m_sizeRespectingOrientation;

Modified: trunk/Source/WebCore/platform/graphics/Image.h (176109 => 176110)


--- trunk/Source/WebCore/platform/graphics/Image.h	2014-11-14 01:07:48 UTC (rev 176109)
+++ trunk/Source/WebCore/platform/graphics/Image.h	2014-11-14 01:15:34 UTC (rev 176110)
@@ -114,7 +114,6 @@
     virtual String filenameExtension() const { return String(); } // null string if unknown
 
     virtual void destroyDecodedData(bool destroyAll = true) = 0;
-    virtual bool decodedDataIsPurgeable() const { return false; }
 
     SharedBuffer* data() { return m_encodedImageData.get(); }
 

Modified: trunk/Source/WebCore/platform/graphics/cg/ImageSourceCG.cpp (176109 => 176110)


--- trunk/Source/WebCore/platform/graphics/cg/ImageSourceCG.cpp	2014-11-14 01:07:48 UTC (rev 176109)
+++ trunk/Source/WebCore/platform/graphics/cg/ImageSourceCG.cpp	2014-11-14 01:15:34 UTC (rev 176110)
@@ -50,16 +50,6 @@
 const CFStringRef kCGImageSourceSubsampleFactor = CFSTR("kCGImageSourceSubsampleFactor");
 #endif
 
-#if __has_include(<CoreGraphics/CGImagePrivate.h>)
-#import <CoreGraphics/CGImagePrivate.h>
-#else
-enum {
-    kCGImageCachingTransient = 1,
-    kCGImageCachingTemporary __CG_DEPRECATED_ENUMERATOR = 3
-};
-typedef uint32_t CGImageCachingFlags;
-#endif
-
 namespace WebCore {
 
 const CFStringRef WebCoreCGImagePropertyAPNGUnclampedDelayTime = CFSTR("UnclampedDelayTime");
@@ -353,7 +343,7 @@
 CGImageRef ImageSource::createFrameAtIndex(size_t index, SubsamplingLevel subsamplingLevel)
 {
     if (!initialized())
-        return nullptr;
+        return 0;
 
     RetainPtr<CGImageRef> image = adoptCF(CGImageSourceCreateImageAtIndex(m_decoder, index, imageSourceOptions(subsamplingLevel).get()));
 
@@ -374,19 +364,8 @@
 
     CFStringRef imageUTI = CGImageSourceGetType(m_decoder);
     static const CFStringRef xbmUTI = CFSTR("public.xbitmap-image");
-
-    if (!imageUTI)
+    if (!imageUTI || !CFEqual(imageUTI, xbmUTI))
         return image.leakRef();
-
-#if PLATFORM(MAC) && !PLATFORM(IOS) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
-    if (CFEqual(imageUTI, kUTTypeGIF)) {
-        CGImageSetCachingFlags(image.get(), kCGImageCachingTransient);
-        return image.leakRef();
-    }
-#endif
-
-    if (!CFEqual(imageUTI, xbmUTI))
-        return image.leakRef();
     
     // If it is an xbm image, mask out all the white areas to render them transparent.
     const CGFloat maskingColors[6] = {255, 255,  255, 255, 255, 255};
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