const GrIndexBuffer* GrGpu::getQuadIndexBuffer() const {
if (NULL == fQuadIndexBuffer) {
static const int SIZE = sizeof(uint16_t) * 6 * MAX_QUADS;
GrGpu* me = const_cast<GrGpu*>(this);
fQuadIndexBuffer = me->createIndexBuffer(SIZE, false);
if (NULL != fQuadIndexBuffer) {
uint16_t* indices = (uint16_t*)fQuadIndexBuffer->lock();
if (NULL != indices) {
fill_indices(indices, MAX_QUADS);
fQuadIndexBuffer->unlock();
} else {
indices = (uint16_t*)GrMalloc(SIZE);
fill_indices(indices, MAX_QUADS);
if (!fQuadIndexBuffer->updateData(indices, SIZE)) {
fQuadIndexBuffer->unref();
fQuadIndexBuffer = NULL;
GrCrash("Can't get indices into buffer!");
}
GrFree(indices);
}
}
}
return fQuadIndexBuffer;
}
GrMemoryPool::BlockHeader* GrMemoryPool::CreateBlock(size_t size) {
BlockHeader* block =
reinterpret_cast<BlockHeader*>(GrMalloc(size + kHeaderSize));
// we assume malloc gives us aligned memory
GrAssert(!(reinterpret_cast<intptr_t>(block) % kAlignment));
block->fLiveCount = 0;
block->fFreeSize = size;
block->fCurrPtr = reinterpret_cast<intptr_t>(block) + kHeaderSize;
return block;
}
static Block* Create(size_t size, Block* next) {
GrAssert(size >= GrAllocPool_MIN_BLOCK_SIZE);
Block* block = (Block*)GrMalloc(sizeof(Block) + size);
block->fNext = next;
block->fPtr = (char*)block + sizeof(Block);
block->fBytesFree = size;
block->fBytesTotal = size;
return block;
}
