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fixed cpa alloc strategy so now we get away with a lot less

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yours3lf 2020-05-29 21:45:23 +01:00
parent 166d5af755
commit 3860f115c0
2 changed files with 26 additions and 5 deletions
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27
driver/ConsecutivePoolAllocator.c
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@ -60,8 +60,6 @@ uint32_t consecutivePoolAllocate(ConsecutivePoolAllocator* pa, uint32_t numBlock
return -1; //no free blocks
}
//TODO change strategy to search for the blocks that are located closest to the start of the buffer
//but still are big enough in size
for(; ptr; ptr = *ptr)
{
uint32_t found = 1;
@ -84,7 +82,30 @@ uint32_t consecutivePoolAllocate(ConsecutivePoolAllocator* pa, uint32_t numBlock
if(found)
{
//set the next free block to the one that the last block we allocated points to
pa->nextFreeBlock = *(uint32_t*)((char*)ptr + (numBlocks - 1) * pa->blockSize);
uint32_t* nextFreeBlockCandidate = *(uint32_t*)((char*)ptr + (numBlocks - 1) * pa->blockSize);
if(pa->nextFreeBlock == ptr)
{
pa->nextFreeBlock = nextFreeBlockCandidate;
break;
}
uint32_t* prevPtr = pa->nextFreeBlock;
uint32_t* currPtr = prevPtr;
for(; currPtr; currPtr = *currPtr)
{
if(currPtr == ptr)
{
break;
}
prevPtr = currPtr;
}
assert(currPtr);
*prevPtr = nextFreeBlockCandidate;
break;
}

4
driver/command.c
View File

@ -52,8 +52,8 @@ VKAPI_ATTR VkResult VKAPI_CALL RPIFUNC(vkCreateCommandPool)(
//initial number of command buffers to hold
int numCommandBufs = 128;
//TODO uniforms might need to realloc, which should be handled properly
int consecutiveBlockSize = ARM_PAGE_SIZE * 20;
int consecutiveBlockNumber = 256;
int consecutiveBlockSize = ARM_PAGE_SIZE;// * 20;
int consecutiveBlockNumber = 64;
//int numCommandBufs = 30;
//int consecutiveBlockSize = getCPABlockSize(256);
//int consecutiveBlockNumber = 30;