Index: cc/test/test_shared_bitmap_manager.cc |
diff --git a/cc/test/test_shared_bitmap_manager.cc b/cc/test/test_shared_bitmap_manager.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..7e14b2f2fb4493af2d6f1b916c882d69a64e5e80 |
--- /dev/null |
+++ b/cc/test/test_shared_bitmap_manager.cc |
@@ -0,0 +1,51 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "cc/test/test_shared_bitmap_manager.h" |
+ |
+#include "base/memory/shared_memory.h" |
+ |
+namespace cc { |
+ |
+namespace { |
+class OwnedSharedBitmap : public SharedBitmap { |
+ public: |
+ OwnedSharedBitmap(scoped_ptr<base::SharedMemory> shared_memory, |
+ const SharedBitmapId& id) |
+ : SharedBitmap(static_cast<uint8*>(shared_memory->memory()), id), |
+ shared_memory_(shared_memory.Pass()) {} |
+ |
+ ~OwnedSharedBitmap() override {} |
+ |
+ private: |
+ scoped_ptr<base::SharedMemory> shared_memory_; |
+}; |
+ |
+} // namespace |
+ |
+TestSharedBitmapManager::TestSharedBitmapManager() {} |
+ |
+TestSharedBitmapManager::~TestSharedBitmapManager() {} |
+ |
+scoped_ptr<SharedBitmap> TestSharedBitmapManager::AllocateSharedBitmap( |
+ const gfx::Size& size) { |
+ base::AutoLock lock(lock_); |
+ scoped_ptr<base::SharedMemory> memory(new base::SharedMemory); |
+ memory->CreateAndMapAnonymous(size.GetArea() * 4); |
+ SharedBitmapId id = SharedBitmap::GenerateId(); |
+ bitmap_map_[id] = memory.get(); |
+ return make_scoped_ptr(new OwnedSharedBitmap(memory.Pass(), id)); |
+} |
+ |
+scoped_ptr<SharedBitmap> TestSharedBitmapManager::GetSharedBitmapFromId( |
+ const gfx::Size&, |
+ const SharedBitmapId& id) { |
+ base::AutoLock lock(lock_); |
+ if (bitmap_map_.find(id) == bitmap_map_.end()) |
+ return nullptr; |
+ uint8* pixels = static_cast<uint8*>(bitmap_map_[id]->memory()); |
+ return make_scoped_ptr(new SharedBitmap(pixels, id)); |
+} |
+ |
+} // namespace cc |