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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkVarAlloc_DEFINED | 8 #ifndef SkVarAlloc_DEFINED |
9 #define SkVarAlloc_DEFINED | 9 #define SkVarAlloc_DEFINED |
10 | 10 |
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28 } | 28 } |
29 SkASSERT(bytes <= fRemaining); | 29 SkASSERT(bytes <= fRemaining); |
30 | 30 |
31 char* ptr = fByte; | 31 char* ptr = fByte; |
32 fByte += bytes; | 32 fByte += bytes; |
33 fRemaining = SkToU32(fRemaining - bytes); | 33 fRemaining = SkToU32(fRemaining - bytes); |
34 return ptr; | 34 return ptr; |
35 } | 35 } |
36 | 36 |
37 // Returns our best estimate of the number of bytes we've allocated. | 37 // Returns our best estimate of the number of bytes we've allocated. |
38 // (We intentionally do not track this precisely to save space.) | 38 // (We may not track this precisely to save space.) |
39 size_t approxBytesAllocated() const; | 39 size_t approxBytesAllocated() const { return fBytesAllocated; } |
40 | 40 |
41 private: | 41 private: |
42 void makeSpace(size_t bytes, unsigned flags); | 42 void makeSpace(size_t bytes, unsigned flags); |
43 | 43 |
| 44 size_t fBytesAllocated; |
| 45 |
44 char* fByte; | 46 char* fByte; |
45 unsigned fRemaining; | 47 unsigned fRemaining; |
46 unsigned fLgSize; | 48 unsigned fLgSize; |
47 | 49 |
48 struct Block; | 50 struct Block; |
49 Block* fBlock; | 51 Block* fBlock; |
50 }; | 52 }; |
51 SK_COMPILE_ASSERT(sizeof(SkVarAlloc) <= 24, SkVarAllocSize); | 53 SK_COMPILE_ASSERT(sizeof(SkVarAlloc) <= 32, SkVarAllocSize); |
52 | 54 |
53 #endif//SkVarAlloc_DEFINED | 55 #endif//SkVarAlloc_DEFINED |
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