Index: Source/platform/graphics/DiscardablePixelRef.cpp |
diff --git a/Source/platform/graphics/DiscardablePixelRef.cpp b/Source/platform/graphics/DiscardablePixelRef.cpp |
deleted file mode 100644 |
index 01179757f5c37208ad74a731e01867961b1b7e18..0000000000000000000000000000000000000000 |
--- a/Source/platform/graphics/DiscardablePixelRef.cpp |
+++ /dev/null |
@@ -1,119 +0,0 @@ |
-/* |
- * Copyright (C) 2013 Google Inc. All rights reserved. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions |
- * are met: |
- * 1. Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * 2. Redistributions in binary form must reproduce the above copyright |
- * notice, this list of conditions and the following disclaimer in the |
- * documentation and/or other materials provided with the distribution. |
- * |
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
- |
-#include "config.h" |
-#include "platform/graphics/DiscardablePixelRef.h" |
- |
-#include "public/platform/Platform.h" |
-#include <string.h> |
- |
-namespace blink { |
- |
-namespace { |
- |
-// URI label for a discardable SkPixelRef. |
-const char labelDiscardable[] = "discardable"; |
- |
-} // namespace |
- |
- |
-bool DiscardablePixelRefAllocator::allocPixelRef(SkBitmap* dst, SkColorTable* ctable) |
-{ |
- // It should not be possible to have a non-null color table in Blink. |
- ASSERT(!ctable); |
- |
- int64_t size = dst->computeSize64(); |
- if (size < 0 || !sk_64_isS32(size)) |
- return false; |
- |
- const SkImageInfo& info = dst->info(); |
- if (kUnknown_SkColorType == info.colorType()) |
- return false; |
- |
- SkAutoTUnref<DiscardablePixelRef> pixelRef(new DiscardablePixelRef(info, dst->rowBytes(), adoptPtr(new SkMutex()))); |
- if (pixelRef->allocAndLockDiscardableMemory(sk_64_asS32(size))) { |
- pixelRef->setURI(labelDiscardable); |
- dst->setPixelRef(pixelRef.get()); |
- // This method is only called when a DiscardablePixelRef is created to back a SkBitmap. |
- // It is necessary to lock this SkBitmap to have a valid pointer to pixels. Otherwise, |
- // this SkBitmap could be assigned to another SkBitmap and locking/unlocking the other |
- // SkBitmap will make this one losing its pixels. |
- dst->lockPixels(); |
- return true; |
- } |
- |
- // Fallback to heap allocator if discardable memory is not available. |
- return dst->allocPixels(); |
-} |
- |
-DiscardablePixelRef::DiscardablePixelRef(const SkImageInfo& info, size_t rowBytes, PassOwnPtr<SkMutex> mutex) |
- : SkPixelRef(info, mutex.get()) |
- , m_lockedMemory(0) |
- , m_mutex(mutex) |
- , m_rowBytes(rowBytes) |
-{ |
-} |
- |
-DiscardablePixelRef::~DiscardablePixelRef() |
-{ |
-} |
- |
-bool DiscardablePixelRef::allocAndLockDiscardableMemory(size_t bytes) |
-{ |
- m_discardable = adoptPtr(Platform::current()->allocateAndLockDiscardableMemory(bytes)); |
- if (m_discardable) { |
- m_lockedMemory = m_discardable->data(); |
- return true; |
- } |
- return false; |
-} |
- |
-bool DiscardablePixelRef::onNewLockPixels(LockRec* rec) |
-{ |
- if (!m_lockedMemory && m_discardable->lock()) |
- m_lockedMemory = m_discardable->data(); |
- |
- if (m_lockedMemory) { |
- rec->fPixels = m_lockedMemory; |
- rec->fColorTable = 0; |
- rec->fRowBytes = m_rowBytes; |
- return true; |
- } |
- return false; |
-} |
- |
-void DiscardablePixelRef::onUnlockPixels() |
-{ |
- if (m_lockedMemory) |
- m_discardable->unlock(); |
- m_lockedMemory = 0; |
-} |
- |
-bool DiscardablePixelRef::isDiscardable(SkPixelRef* pixelRef) |
-{ |
- return pixelRef && pixelRef->getURI() && !strcmp(pixelRef->getURI(), labelDiscardable); |
-} |
- |
-} // namespace blink |