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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_QUADS_LIST_CONTAINER_H_ | 5 #ifndef CC_BASE_LIST_CONTAINER_H_ |
| 6 #define CC_QUADS_LIST_CONTAINER_H_ | 6 #define CC_BASE_LIST_CONTAINER_H_ |
| 7 | 7 |
| 8 #include "base/macros.h" | 8 #include "base/macros.h" |
| 9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "cc/base/cc_export.h" | 10 #include "cc/base/cc_export.h" |
| 11 | 11 |
| 12 namespace cc { | 12 namespace cc { |
| 13 class DisplayItem; | |
| 14 class DrawQuad; | |
| 15 class SharedQuadState; | |
| 16 | 13 |
| 17 // This class is a container type that handles allocating contiguous memory for | 14 // This class is a container type that handles allocating contiguous memory for |
| 18 // new elements and traversing through elements with either iterator or reverse | 15 // new elements and traversing through elements with either iterator or reverse |
| 19 // iterator. Since this container hands out raw pointers of its elements, it is | 16 // iterator. Since this container hands out raw pointers of its elements, it is |
| 20 // very important that this container never reallocate its memory so those raw | 17 // very important that this container never reallocate its memory so those raw |
| 21 // pointer will continue to be valid. This class is used to contain | 18 // pointer will continue to be valid. This class is used to contain |
| 22 // SharedQuadState or DrawQuad. Since the size of each DrawQuad varies, to hold | 19 // SharedQuadState or DrawQuad. Since the size of each DrawQuad varies, to hold |
| 23 // DrawQuads, the allocations size of each element in this class is | 20 // DrawQuads, the allocations size of each element in this class is |
| 24 // LargestDrawQuadSize while BaseElementType is DrawQuad. | 21 // LargestDrawQuadSize while BaseElementType is DrawQuad. |
| 25 template <class BaseElementType> | 22 template <class BaseElementType> |
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| 225 | 222 |
| 226 private: | 223 private: |
| 227 // Hands out memory location for an element at the end of data structure. | 224 // Hands out memory location for an element at the end of data structure. |
| 228 void* Allocate(size_t size_of_actual_element_in_bytes); | 225 void* Allocate(size_t size_of_actual_element_in_bytes); |
| 229 | 226 |
| 230 scoped_ptr<ListContainerCharAllocator> data_; | 227 scoped_ptr<ListContainerCharAllocator> data_; |
| 231 | 228 |
| 232 DISALLOW_COPY_AND_ASSIGN(ListContainer); | 229 DISALLOW_COPY_AND_ASSIGN(ListContainer); |
| 233 }; | 230 }; |
| 234 | 231 |
| 235 #if !defined(COMPILER_MSVC) | |
| 236 extern template class ListContainer<SharedQuadState>; | |
| 237 extern template class ListContainer<DrawQuad>; | |
| 238 extern template class ListContainer<DisplayItem>; | |
| 239 #endif | |
| 240 } // namespace cc | 232 } // namespace cc |
| 241 | 233 |
| 242 #endif // CC_QUADS_LIST_CONTAINER_H_ | 234 #endif // CC_BASE_LIST_CONTAINER_H_ |
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