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Side by Side Diff: cc/resources/shared_bitmap.h

Issue 2965103003: Test
Patch Set: c Created 3 years, 5 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CC_RESOURCES_SHARED_BITMAP_H_ 5 #ifndef CC_RESOURCES_SHARED_BITMAP_H_
6 #define CC_RESOURCES_SHARED_BITMAP_H_ 6 #define CC_RESOURCES_SHARED_BITMAP_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 #include <stdint.h> 9 #include <stdint.h>
10 10
11 #include "base/memory/shared_memory.h"
11 #include "base/hash.h" 12 #include "base/hash.h"
12 #include "base/macros.h" 13 #include "base/macros.h"
13 #include "base/trace_event/memory_allocator_dump.h" 14 #include "base/trace_event/memory_allocator_dump.h"
14 #include "cc/cc_export.h" 15 #include "cc/cc_export.h"
15 #include "gpu/command_buffer/common/mailbox.h" 16 #include "gpu/command_buffer/common/mailbox.h"
16 #include "ui/gfx/geometry/size.h" 17 #include "ui/gfx/geometry/size.h"
17 18
18 namespace base { 19 namespace base {
19 class SharedMemoryHandle; 20 class SharedMemoryHandle;
20 } 21 }
(...skipping 17 matching lines...) Expand all
38 virtual ~SharedBitmap(); 39 virtual ~SharedBitmap();
39 40
40 uint8_t* pixels() { return pixels_; } 41 uint8_t* pixels() { return pixels_; }
41 42
42 const SharedBitmapId& id() { return id_; } 43 const SharedBitmapId& id() { return id_; }
43 44
44 // Returns the shared memory's handle when the back end is base::SharedMemory. 45 // Returns the shared memory's handle when the back end is base::SharedMemory.
45 // Otherwise, this returns an invalid handle. 46 // Otherwise, this returns an invalid handle.
46 virtual base::SharedMemoryHandle GetSharedMemoryHandle() const = 0; 47 virtual base::SharedMemoryHandle GetSharedMemoryHandle() const = 0;
47 48
49 virtual base::SharedMemory* GetSharedMemory() const = 0;
50
48 // Returns true if the size is valid and false otherwise. 51 // Returns true if the size is valid and false otherwise.
49 static bool SizeInBytes(const gfx::Size& size, size_t* size_in_bytes); 52 static bool SizeInBytes(const gfx::Size& size, size_t* size_in_bytes);
50 // Dies with a CRASH() if the size can not be represented as a positive number 53 // Dies with a CRASH() if the size can not be represented as a positive number
51 // of bytes. 54 // of bytes.
52 static size_t CheckedSizeInBytes(const gfx::Size& size); 55 static size_t CheckedSizeInBytes(const gfx::Size& size);
53 // Returns the size in bytes but may overflow or return 0. Only do this for 56 // Returns the size in bytes but may overflow or return 0. Only do this for
54 // sizes that have already been checked. 57 // sizes that have already been checked.
55 static size_t UncheckedSizeInBytes(const gfx::Size& size); 58 static size_t UncheckedSizeInBytes(const gfx::Size& size);
56 // Returns true if the size is valid and false otherwise. 59 // Returns true if the size is valid and false otherwise.
57 static bool VerifySizeInBytes(const gfx::Size& size); 60 static bool VerifySizeInBytes(const gfx::Size& size);
58 61
59 static SharedBitmapId GenerateId(); 62 static SharedBitmapId GenerateId();
60 63
61 private: 64 private:
62 uint8_t* pixels_; 65 uint8_t* pixels_;
63 SharedBitmapId id_; 66 SharedBitmapId id_;
64 67
65 DISALLOW_COPY_AND_ASSIGN(SharedBitmap); 68 DISALLOW_COPY_AND_ASSIGN(SharedBitmap);
66 }; 69 };
67 70
68 } // namespace cc 71 } // namespace cc
69 72
70 #endif // CC_RESOURCES_SHARED_BITMAP_H_ 73 #endif // CC_RESOURCES_SHARED_BITMAP_H_
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