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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_BASE_CONTIGUOUS_CONTAINER_H_ | 5 #ifndef CC_BASE_CONTIGUOUS_CONTAINER_H_ |
| 6 #define CC_BASE_CONTIGUOUS_CONTAINER_H_ | 6 #define CC_BASE_CONTIGUOUS_CONTAINER_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include <stddef.h> |
| 9 |
| 9 #include "base/logging.h" | 10 #include "base/logging.h" |
| 11 #include "base/macros.h" |
| 10 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
| 11 #include "base/stl_util.h" | 13 #include "base/stl_util.h" |
| 12 #include "cc/base/cc_export.h" | 14 #include "cc/base/cc_export.h" |
| 13 | 15 |
| 14 namespace cc { | 16 namespace cc { |
| 15 | 17 |
| 16 // ContiguousContainer is a container which stores a list of heterogeneous | 18 // ContiguousContainer is a container which stores a list of heterogeneous |
| 17 // objects (in particular, of varying sizes), packed next to one another in | 19 // objects (in particular, of varying sizes), packed next to one another in |
| 18 // memory. Objects are never relocated, so it is safe to store pointers to them | 20 // memory. Objects are never relocated, so it is safe to store pointers to them |
| 19 // for the lifetime of the container (unless the object is removed). | 21 // for the lifetime of the container (unless the object is removed). |
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| 205 DCHECK_EQ(aligned_size % alignment, 0u); | 207 DCHECK_EQ(aligned_size % alignment, 0u); |
| 206 DCHECK_GE(aligned_size, size); | 208 DCHECK_GE(aligned_size, size); |
| 207 DCHECK_LT(aligned_size, size + alignment); | 209 DCHECK_LT(aligned_size, size + alignment); |
| 208 return aligned_size; | 210 return aligned_size; |
| 209 } | 211 } |
| 210 }; | 212 }; |
| 211 | 213 |
| 212 } // namespace cc | 214 } // namespace cc |
| 213 | 215 |
| 214 #endif // CC_BASE_CONTIGUOUS_CONTAINER_H_ | 216 #endif // CC_BASE_CONTIGUOUS_CONTAINER_H_ |
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