| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrAllocPool_DEFINED |
| #define GrAllocPool_DEFINED |
| |
| #include "SkTypes.h" |
| |
| class GrAllocPool : public SkNoncopyable { |
| public: |
| GrAllocPool(size_t blockSize = 0); |
| ~GrAllocPool(); |
| |
| /** |
| * Frees all blocks that have been allocated with alloc(). |
| */ |
| void reset(); |
| |
| /** |
| * Returns a block of memory bytes size big. This address must not be |
| * passed to realloc/free/delete or any other function that assumes the |
| * address was allocated by malloc or new (because it hasn't). |
| */ |
| void* alloc(size_t bytes); |
| |
| /** |
| * Releases the most recently allocated bytes back to allocpool. |
| */ |
| void release(size_t bytes); |
| |
| private: |
| struct Block; |
| |
| Block* fBlock; |
| size_t fMinBlockSize; |
| |
| #ifdef SK_DEBUG |
| int fBlocksAllocated; |
| void validate() const; |
| #else |
| void validate() const {} |
| #endif |
| }; |
| |
| template <typename T> class GrTAllocPool { |
| public: |
| GrTAllocPool(int count) : fPool(count * sizeof(T)) {} |
| |
| void reset() { fPool.reset(); } |
| T* alloc() { return (T*)fPool.alloc(sizeof(T)); } |
| |
| private: |
| GrAllocPool fPool; |
| }; |
| |
| #endif |