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rpi-vk-driver/driver/ConsecutivePoolAllocator.h

31 lines
956 B
C

#pragma once
#if defined (__cplusplus)
extern "C" {
#endif
#include "CustomAssert.h"
#include <stdint.h>
typedef struct ConsecutivePoolAllocator
{
void* buf; //preallocated buffer
void* nextFreeBlock;
unsigned blockSize;
unsigned size; //size is exact multiple of block size
unsigned numFreeBlocks;
} ConsecutivePoolAllocator;
ConsecutivePoolAllocator createConsecutivePoolAllocator(void* b, unsigned bs, unsigned s);
void destroyConsecutivePoolAllocator(ConsecutivePoolAllocator* pa);
uint32_t consecutivePoolAllocate(ConsecutivePoolAllocator* pa, uint32_t numBlocks);
void consecutivePoolFree(ConsecutivePoolAllocator* pa, void* p, uint32_t numBlocks);
uint32_t consecutivePoolReAllocate(ConsecutivePoolAllocator* pa, void* currentMem, uint32_t currNumBlocks, uint32_t newNumBlocks);
void CPAdebugPrint(ConsecutivePoolAllocator* pa);
void* getCPAptrFromOffset(ConsecutivePoolAllocator* pa, uint32_t offset);
#if defined (__cplusplus)
}
#endif