| Commit message (Collapse) | Author | Age |
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This adds sk_memory_barrier(), implemented using sk_atomic_fetch_add() on an uninitialized variable. If that becomes a problem we can drop this to the porting layer, using std::atomic_thread_fence() / __atomic_thread_fence() / __sync_synchronize().
The big win is that ref() doesn't generate a memory barrier any more on ARM.
This is an instance of SkSafeRef() in SkPaint(const SkPaint&) after this CL:
4d0: 684a ldr r2, [r1, #4]
4d2: 6018 str r0, [r3, #0]
4d4: b13a cbz r2, 4e6 <_ZN7SkPaintC1ERKS_+0x2e>
4d6: 1d10 adds r0, r2, #4
4d8: e850 4f00 ldrex r4, [r0]
4dc: 3401 adds r4, #1
4de: e840 4500 strex r5, r4, [r0]
4e2: 2d00 cmp r5, #0
4e4: d1f8 bne.n 4d8 <_ZN7SkPaintC1ERKS_+0x20>
Here's the before, pretty much the same with two memory barriers surrounding the ref():
4d8: 684a ldr r2, [r1, #4]
4da: 6018 str r0, [r3, #0]
4dc: b15a cbz r2, 4f6 <_ZN7SkPaintC1ERKS_+0x3e>
4de: 1d10 adds r0, r2, #4
4e0: f3bf 8f5f dmb sy
4e4: e850 4f00 ldrex r4, [r0]
4e8: 3401 adds r4, #1
4ea: e840 4500 strex r5, r4, [r0]
4ee: 2d00 cmp r5, #0
4f0: d1f8 bne.n 4e4 <_ZN7SkPaintC1ERKS_+0x2c>
4f2: f3bf 8f5f dmb sy
The miscellaneous files in here are just fixups to explicitly include SkMutex.h,
instead of leeching it off SkRefCnt.h.
No public API changes.
TBR=reed@google.com
Build trybots seem hosed.
NOTRY=true
BUG=skia:
Review URL: https://codereview.chromium.org/896803002
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(https://codereview.chromium.org/433063002/)
Reason for revert:
breaking android tests
Original issue's description:
> Memory improvements to render_pdfs; better DM pool size defaults
>
> Make SK_DEFAULT_GLOBAL_DISCARDABLE_MEMORY_POOL_SIZE equal to
> skia_resource_cache_mb_limit, if that value is >0 (true for some
> low-memory Android devices).
>
> render_pdfs test program uses lazy decoding (and the discardable
> memory pool).
>
> BUG=skia:2743
>
> Committed: https://skia.googlesource.com/skia/+/66058b614d9c8cb63c24b1c779dd1a9a80752217
R=djsollen@google.com, mtklein@google.com
TBR=djsollen@google.com, mtklein@google.com
NOTREECHECKS=true
NOTRY=true
BUG=skia:2743
Author: halcanary@google.com
Review URL: https://codereview.chromium.org/418173012
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Make SK_DEFAULT_GLOBAL_DISCARDABLE_MEMORY_POOL_SIZE equal to
skia_resource_cache_mb_limit, if that value is >0 (true for some
low-memory Android devices).
render_pdfs test program uses lazy decoding (and the discardable
memory pool).
BUG=skia:2743
R=djsollen@google.com, mtklein@google.com
Author: halcanary@google.com
Review URL: https://codereview.chromium.org/433063002
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Motivation - we want to keep our public headers small.
R=scroggo@google.com, reed@google.com
Author: halcanary@google.com
Review URL: https://codereview.chromium.org/223403012
git-svn-id: http://skia.googlecode.com/svn/trunk@14063 2bbb7eff-a529-9590-31e7-b0007b416f81
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BUG=
R=halcanary@google.com
Review URL: https://codereview.chromium.org/112833003
git-svn-id: http://skia.googlecode.com/svn/trunk@12618 2bbb7eff-a529-9590-31e7-b0007b416f81
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git-svn-id: http://skia.googlecode.com/svn/trunk@12524 2bbb7eff-a529-9590-31e7-b0007b416f81
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Removed SkBitmapFactory since no clients were using it. New cache
selection mechanism can simply pass a SkDiscardableMemory::Factory
into the SkDiscardablePixelRef if non-default SkDiscardableMemory
should be used. Removed BitmapFactoryTest.
SkDiscardableMemory::Factory interface. Android will need this
functionality in the future inside their BitmapFactory.
Removed SkLazyPixelRef, since it's functionality is now subsumed into
SkDiscardablePixelRef. Removed LazyPixelRef test.
Modified SkDiscardablePixelRef to optionally allow it to use a
SkDiscardableMemory::Factory. This tiny change makes it a replacement
for SkLazyPixelRef. This functioanlity is also necessary for moving
Android over to SkDiscardablePixelRef from SkImageRef in a later CL.
Added a test for this.
SkDecodingImageGenerator::Install can optionally pass a factory in to
SkDiscardablePixelRef.
Removed SkImageCache, SkLruImageCache, and SkPurgeableImageCache.
This functionality can be handled much more cleanly by
SkDiscardableMemory.
New SkDiscardableMemoryPool class to replace SkLruImageCache. In a
later CL, we will replace SkImageRef_GlobalPool (used by android) as
well. This is a concrete implementation of
SkDiscardableMemory::Factory. Added a test for this.
modified gm/factory.cpp to remove dependnce on SkBitmapFactory +
SkLruImageCache. Now uses SkDecodingImageGenerator +
SkDiscardablePixelRef + SkDiscardableMemoryPool.
SkImageDecoder::Target replaces SkBitmapFactory::Target. The
DecodeMemoryToTarget function may disappear in the future.
Moved SkLazyCachingPixelRef::DecodeProc replaces
SkBitmapFactory::DecodeProc. This is a short term change, since
another CL changes SkLazyCachingPixelRef to use SkImageGenerator
instead of DecodeProc.
Modified DrawBitmapRectTest to use SkDiscardablePixelRef instead of
SkLazyPixelRef.
tools/LazyDecodeBitmap.cpp now uses SkDecodingImageGenerator +
SkDiscardablePixelRef instead of a SkBitmapFactory.
bench_pictures uses the Global SkDiscardableMemoryPool instead of a
global gLruImageCache.
R=reed@google.com, scroggo@google.com
Review URL: https://codereview.chromium.org/103033002
git-svn-id: http://skia.googlecode.com/svn/trunk@12515 2bbb7eff-a529-9590-31e7-b0007b416f81
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mtklein
halcanary
commit-bot@chromium.org
reed@google.com
skia.committer@gmail.com
halcanary@google.com