| Index: cc/resources/shared_bitmap.h
|
| diff --git a/cc/resources/shared_bitmap.h b/cc/resources/shared_bitmap.h
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..793ef7a4261b0aa5deb1a5de38d4e19771f2baaa
|
| --- /dev/null
|
| +++ b/cc/resources/shared_bitmap.h
|
| @@ -0,0 +1,47 @@
|
| +// Copyright 2013 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.
|
| +
|
| +#ifndef CC_RESOURCES_SHARED_BITMAP_H_
|
| +#define CC_RESOURCES_SHARED_BITMAP_H_
|
| +
|
| +#include "base/basictypes.h"
|
| +#include "gpu/command_buffer/common/mailbox.h"
|
| +#include "ui/gfx/geometry/size.h"
|
| +
|
| +namespace cc {
|
| +typedef gpu::Mailbox SharedBitmapId;
|
| +
|
| +class SharedBitmap {
|
| + public:
|
| + SharedBitmap(uint8* pixels, const SharedBitmapId& id);
|
| +
|
| + virtual ~SharedBitmap();
|
| +
|
| + uint8* pixels() { return pixels_; }
|
| +
|
| + const SharedBitmapId& id() { return id_; }
|
| +
|
| + // Returns true if the size is valid and false otherwise.
|
| + static bool SizeInBytes(const gfx::Size& size, size_t* size_in_bytes);
|
| + // Dies with a CRASH() if the size can not be represented as a positive number
|
| + // of bytes.
|
| + static size_t CheckedSizeInBytes(const gfx::Size& size);
|
| + // Returns the size in bytes but may overflow or return 0. Only do this for
|
| + // sizes that have already been checked.
|
| + static size_t UncheckedSizeInBytes(const gfx::Size& size);
|
| + // Returns true if the size is valid and false otherwise.
|
| + static bool VerifySizeInBytes(const gfx::Size& size);
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| +
|
| + static SharedBitmapId GenerateId();
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| +
|
| + private:
|
| + uint8* pixels_;
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| + SharedBitmapId id_;
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| +
|
| + DISALLOW_COPY_AND_ASSIGN(SharedBitmap);
|
| +};
|
| +
|
| +} // namespace cc
|
| +
|
| +#endif // CC_RESOURCES_SHARED_BITMAP_H_
|
|
|