46         BlockHeader* block = CreateBlock(blockSize);  in allocate()  local
48         block->fPrev = fTail;  in allocate()
49         block->fNext = NULL;  in allocate()
51         fTail->fNext = block;  in allocate()
52         fTail = block;  in allocate()
72     BlockHeader* block = *reinterpret_cast<BlockHeader**>(ptr);  in release()  local
73     if (1 == block->fLiveCount) {  in release()
75         if (fHead == block) {  in release()
81             BlockHeader* prev = block->fPrev;  in release()
82             BlockHeader* next = block->fNext;  in release()
88                 SkASSERT(fTail == block);  in release()
91             DeleteBlock(block);  in release()
94         --block->fLiveCount;  in release()
96         if (block->fPrevPtr == ptr) {  in release()
97             block->fFreeSize += (block->fCurrPtr - block->fPrevPtr);  in release()
98             block->fCurrPtr = block->fPrevPtr;  in release()
106     BlockHeader* block =  in CreateBlock()  local
109     SkASSERT(!(reinterpret_cast<intptr_t>(block) % kAlignment));  in CreateBlock()
110     block->fLiveCount = 0;  in CreateBlock()
111     block->fFreeSize = size;  in CreateBlock()
112     block->fCurrPtr = reinterpret_cast<intptr_t>(block) + kHeaderSize;  in CreateBlock()
113     block->fPrevPtr = 0; // gcc warns on assigning NULL to an intptr_t.  in CreateBlock()
114     return block;  in CreateBlock()
117 void GrMemoryPool::DeleteBlock(BlockHeader* block) {  in DeleteBlock()  argument
118     sk_free(block);  in DeleteBlock()
123     BlockHeader* block = fHead;  in validate()  local
125     SkASSERT(block);  in validate()
128         allocCount += block->fLiveCount;  in validate()
129         SkASSERT(prev == block->fPrev);  in validate()
131             SkASSERT(prev->fNext == block);  in validate()
134         intptr_t b = reinterpret_cast<intptr_t>(block);  in validate()
135         size_t ptrOffset = block->fCurrPtr - b;  in validate()
136         size_t totalSize = ptrOffset + block->fFreeSize;  in validate()
143         SkASSERT(!(block->fCurrPtr % kAlignment));  in validate()
144         if (fHead != block) {  in validate()
145             SkASSERT(block->fLiveCount);  in validate()
150         if (!block->fLiveCount) {  in validate()
152             SkASSERT(userStart == block->fCurrPtr);  in validate()
154             SkASSERT(block == *reinterpret_cast<BlockHeader**>(userStart));  in validate()
156         prev = block;  in validate()
157     } while ((block = block->fNext));  in validate()