48         BlockHeader* block = CreateBlock(blockSize);  in allocate()  local
50         block->fPrev = fTail;  in allocate()
51         block->fNext = nullptr;  in allocate()
53         fTail->fNext = block;  in allocate()
54         fTail = block;  in allocate()
55         fSize += block->fSize;  in allocate()
83     BlockHeader* block = allocData->fHeader;  in release()  local
84     SkASSERT(kAssignedMarker == block->fBlockSentinal);  in release()
85     if (1 == block->fLiveCount) {  in release()
87         if (fHead == block) {  in release()
92             BlockHeader* prev = block->fPrev;  in release()
93             BlockHeader* next = block->fNext;  in release()
99                 SkASSERT(fTail == block);  in release()
102             fSize -= block->fSize;  in release()
103             DeleteBlock(block);  in release()
107         --block->fLiveCount;  in release()
109         if (block->fPrevPtr == ptr) {  in release()
110             block->fFreeSize += (block->fCurrPtr - block->fPrevPtr);  in release()
111             block->fCurrPtr = block->fPrevPtr;  in release()
120     BlockHeader* block =  in CreateBlock()  local
123     SkASSERT(!(reinterpret_cast<intptr_t>(block) % kAlignment));  in CreateBlock()
124     SkDEBUGCODE(block->fBlockSentinal = kAssignedMarker);  in CreateBlock()
125     block->fLiveCount = 0;  in CreateBlock()
126     block->fFreeSize = size;  in CreateBlock()
127     block->fCurrPtr = reinterpret_cast<intptr_t>(block) + kHeaderSize;  in CreateBlock()
128     block->fPrevPtr = 0; // gcc warns on assigning nullptr to an intptr_t.  in CreateBlock()
129     block->fSize = paddedSize;  in CreateBlock()
130     return block;  in CreateBlock()
133 void GrMemoryPool::DeleteBlock(BlockHeader* block) {  in DeleteBlock()  argument
134     SkASSERT(kAssignedMarker == block->fBlockSentinal);  in DeleteBlock()
135     SkDEBUGCODE(block->fBlockSentinal = kFreedMarker); // FWIW  in DeleteBlock()
136     sk_free(block);  in DeleteBlock()
141     BlockHeader* block = fHead;  in validate()  local
143     SkASSERT(block);  in validate()
146         SkASSERT(kAssignedMarker == block->fBlockSentinal);  in validate()
147         allocCount += block->fLiveCount;  in validate()
148         SkASSERT(prev == block->fPrev);  in validate()
150             SkASSERT(prev->fNext == block);  in validate()
153         intptr_t b = reinterpret_cast<intptr_t>(block);  in validate()
154         size_t ptrOffset = block->fCurrPtr - b;  in validate()
155         size_t totalSize = ptrOffset + block->fFreeSize;  in validate()
162         SkASSERT(!(block->fCurrPtr % kAlignment));  in validate()
163         if (fHead != block) {  in validate()
164             SkASSERT(block->fLiveCount);  in validate()
169         if (!block->fLiveCount) {  in validate()
171             SkASSERT(userStart == block->fCurrPtr);  in validate()
176             SkASSERT(block == allocData->fHeader);  in validate()
179         prev = block;  in validate()
180     } while ((block = block->fNext));  in validate()