mirror of
https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git
synced 2024-11-23 07:14:34 +00:00
Some code in preparation to implement double stack (SECOND_VECTOR_DOUBLE_STACK).
This commit is contained in:
parent
0c6ca87695
commit
45cee6ee4f
@ -4536,8 +4536,87 @@ private:
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void UnregisterFreeSuballocation(VmaSuballocationList::iterator item);
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void UnregisterFreeSuballocation(VmaSuballocationList::iterator item);
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};
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};
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/*
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Allocations and their references in internal data structure look like this:
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if(m_2ndVectorMode == SECOND_VECTOR_EMPTY):
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0 +-------+
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+-------+
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| Alloc | 1st[m_1stNullItemsBeginCount]
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+-------+
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| Alloc | 1st[m_1stNullItemsBeginCount + 1]
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+-------+
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| ... |
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+-------+
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| Alloc | 1st[1st.size() - 1]
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+-------+
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GetSize() +-------+
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if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER):
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0 +-------+
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| Alloc | 2nd[0]
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+-------+
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| Alloc | 2nd[1]
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+-------+
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| ... |
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+-------+
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| Alloc | 2nd[2nd.size() - 1]
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+-------+
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+-------+
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| Alloc | 1st[m_1stNullItemsBeginCount]
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+-------+
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| Alloc | 1st[m_1stNullItemsBeginCount + 1]
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+-------+
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| ... |
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+-------+
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| Alloc | 1st[1st.size() - 1]
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+-------+
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GetSize() +-------+
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if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK):
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0 +-------+
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+-------+
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| Alloc | 1st[m_1stNullItemsBeginCount]
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+-------+
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| Alloc | 1st[m_1stNullItemsBeginCount + 1]
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+-------+
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| ... |
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+-------+
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| Alloc | 1st[1st.size() - 1]
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+-------+
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+-------+
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| Alloc | 2nd[2nd.size() - 1]
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+-------+
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| ... |
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+-------+
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| Alloc | 2nd[1]
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+-------+
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| Alloc | 2nd[0]
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GetSize() +-------+
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*/
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class VmaBlockMetadata_Linear : public VmaBlockMetadata
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class VmaBlockMetadata_Linear : public VmaBlockMetadata
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{
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{
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VMA_CLASS_NO_COPY(VmaBlockMetadata_Linear)
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public:
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public:
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VmaBlockMetadata_Linear(VmaAllocator hAllocator);
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VmaBlockMetadata_Linear(VmaAllocator hAllocator);
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virtual ~VmaBlockMetadata_Linear();
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virtual ~VmaBlockMetadata_Linear();
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@ -4602,6 +4681,11 @@ private:
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all have smaller offset.
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all have smaller offset.
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*/
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*/
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SECOND_VECTOR_RING_BUFFER,
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SECOND_VECTOR_RING_BUFFER,
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/*
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Suballocations in 2nd vector are upper side of double stack.
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They all have offsets higher than those in 1st vector.
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Top of this stack means smaller offsets, but higher indices in this vector.
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*/
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SECOND_VECTOR_DOUBLE_STACK,
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SECOND_VECTOR_DOUBLE_STACK,
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};
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};
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@ -7234,12 +7318,56 @@ bool VmaBlockMetadata_Linear::Validate() const
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offset = suballoc.offset + suballoc.size + VMA_DEBUG_MARGIN;
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offset = suballoc.offset + suballoc.size + VMA_DEBUG_MARGIN;
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}
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}
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if(nullItem1stCount != m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount)
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if(offset > GetSize())
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{
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{
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return false;
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return false;
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}
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}
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if(nullItem1stCount != m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount)
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if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK)
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{
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const size_t suballoc2ndCount = suballocations2nd.size();
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size_t nullItem2ndCount = 0;
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for(size_t i = suballoc2ndCount; i--; )
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{
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const VmaSuballocation& suballoc = suballocations2nd[i];
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const bool currFree = (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE);
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if(currFree != (suballoc.hAllocation == VK_NULL_HANDLE))
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{
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return false;
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}
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if(suballoc.offset < offset)
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{
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return false;
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}
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if(!currFree)
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{
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if(suballoc.hAllocation->GetOffset() != suballoc.offset)
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{
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return false;
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}
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if(suballoc.hAllocation->GetSize() != suballoc.size)
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{
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return false;
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}
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}
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if(currFree)
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{
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++nullItem2ndCount;
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}
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offset = suballoc.offset + suballoc.size + VMA_DEBUG_MARGIN;
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}
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if(nullItem2ndCount != m_2ndNullItemsCount)
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{
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return false;
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}
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}
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if(offset > GetSize())
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{
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{
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return false;
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return false;
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}
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}
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@ -7343,7 +7471,9 @@ void VmaBlockMetadata_Linear::CalcAllocationStatInfo(VmaStatInfo& outInfo) const
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}
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}
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size_t nextAlloc1stIndex = m_1stNullItemsBeginCount;
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size_t nextAlloc1stIndex = m_1stNullItemsBeginCount;
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while(lastOffset < size)
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const VkDeviceSize freeSpace1stTo2ndEnd =
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m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size;
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while(lastOffset < freeSpace1stTo2ndEnd)
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{
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{
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// Find next non-null allocation or move nextAllocIndex to the end.
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// Find next non-null allocation or move nextAllocIndex to the end.
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while(nextAlloc1stIndex < suballoc1stCount &&
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while(nextAlloc1stIndex < suballoc1stCount &&
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@ -7380,6 +7510,62 @@ void VmaBlockMetadata_Linear::CalcAllocationStatInfo(VmaStatInfo& outInfo) const
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}
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}
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// We are at the end.
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// We are at the end.
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else
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else
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{
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// There is free space from lastOffset to freeSpace1stTo2ndEnd.
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if(lastOffset < freeSpace1stTo2ndEnd)
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{
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const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset;
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++outInfo.unusedRangeCount;
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outInfo.unusedBytes += unusedRangeSize;
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outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize);
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outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize);
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}
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// End of loop.
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lastOffset = freeSpace1stTo2ndEnd;
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}
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}
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if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK)
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{
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size_t nextAlloc2ndIndex = suballocations2nd.size() - 1;
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while(lastOffset < size)
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{
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// Find next non-null allocation or move nextAllocIndex to the end.
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while(nextAlloc2ndIndex != SIZE_MAX &&
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suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE)
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{
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--nextAlloc2ndIndex;
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}
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// Found non-null allocation.
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if(nextAlloc2ndIndex != SIZE_MAX)
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{
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const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex];
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// 1. Process free space before this allocation.
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if(lastOffset < suballoc.offset)
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{
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// There is free space from lastOffset to suballoc.offset.
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const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset;
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++outInfo.unusedRangeCount;
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outInfo.unusedBytes += unusedRangeSize;
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outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize);
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outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize);
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}
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// 2. Process this allocation.
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// There is allocation with suballoc.offset, suballoc.size.
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outInfo.usedBytes += suballoc.size;
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outInfo.allocationSizeMin = VMA_MIN(outInfo.allocationSizeMin, suballoc.size);
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outInfo.allocationSizeMax = VMA_MIN(outInfo.allocationSizeMax, suballoc.size);
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// 3. Prepare for next iteration.
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lastOffset = suballoc.offset + suballoc.size;
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--nextAlloc2ndIndex;
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}
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// We are at the end.
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else
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{
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{
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// There is free space from lastOffset to size.
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// There is free space from lastOffset to size.
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if(lastOffset < size)
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if(lastOffset < size)
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@ -7395,6 +7581,7 @@ void VmaBlockMetadata_Linear::CalcAllocationStatInfo(VmaStatInfo& outInfo) const
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lastOffset = size;
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lastOffset = size;
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}
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}
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}
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}
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}
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outInfo.unusedBytes = size - outInfo.usedBytes;
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outInfo.unusedBytes = size - outInfo.usedBytes;
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}
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}
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@ -7466,7 +7653,9 @@ void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const
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}
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}
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size_t nextAlloc1stIndex = m_1stNullItemsBeginCount;
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size_t nextAlloc1stIndex = m_1stNullItemsBeginCount;
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while(lastOffset < size)
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const VkDeviceSize freeSpace1stTo2ndEnd =
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m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size;
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while(lastOffset < freeSpace1stTo2ndEnd)
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{
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{
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// Find next non-null allocation or move nextAllocIndex to the end.
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// Find next non-null allocation or move nextAllocIndex to the end.
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while(nextAlloc1stIndex < suballoc1stCount &&
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while(nextAlloc1stIndex < suballoc1stCount &&
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@ -7500,6 +7689,58 @@ void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const
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}
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}
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// We are at the end.
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// We are at the end.
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else
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else
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{
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if(lastOffset < freeSpace1stTo2ndEnd)
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{
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// There is free space from lastOffset to freeSpace1stTo2ndEnd.
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const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset;
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inoutStats.unusedSize += unusedRangeSize;
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++inoutStats.unusedRangeCount;
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inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize);
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}
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// End of loop.
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lastOffset = freeSpace1stTo2ndEnd;
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}
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}
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if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK)
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{
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size_t nextAlloc2ndIndex = suballocations2nd.size() - 1;
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while(lastOffset < size)
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{
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// Find next non-null allocation or move nextAlloc2ndIndex to the end.
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while(nextAlloc2ndIndex != SIZE_MAX &&
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suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE)
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{
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--nextAlloc2ndIndex;
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}
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// Found non-null allocation.
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if(nextAlloc2ndIndex != SIZE_MAX)
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{
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const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex];
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// 1. Process free space before this allocation.
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if(lastOffset < suballoc.offset)
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{
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// There is free space from lastOffset to suballoc.offset.
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const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset;
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inoutStats.unusedSize += unusedRangeSize;
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++inoutStats.unusedRangeCount;
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inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize);
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}
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// 2. Process this allocation.
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// There is allocation with suballoc.offset, suballoc.size.
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++inoutStats.allocationCount;
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// 3. Prepare for next iteration.
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lastOffset = suballoc.offset + suballoc.size;
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--nextAlloc2ndIndex;
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}
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// We are at the end.
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else
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{
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{
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if(lastOffset < size)
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if(lastOffset < size)
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{
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{
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@ -7514,13 +7755,12 @@ void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const
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lastOffset = size;
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lastOffset = size;
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}
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}
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}
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}
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}
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}
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}
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#if VMA_STATS_STRING_ENABLED
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#if VMA_STATS_STRING_ENABLED
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void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const
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void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const
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{
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{
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// TODO include 2nd vector
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const VkDeviceSize size = GetSize();
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const VkDeviceSize size = GetSize();
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const SuballocationVectorType& suballocations1st = AccessSuballocations1st();
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const SuballocationVectorType& suballocations1st = AccessSuballocations1st();
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const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd();
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const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd();
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@ -7586,7 +7826,9 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const
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size_t nextAlloc1stIndex = m_1stNullItemsBeginCount;
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size_t nextAlloc1stIndex = m_1stNullItemsBeginCount;
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size_t alloc1stCount = 0;
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size_t alloc1stCount = 0;
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while(lastOffset < size)
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const VkDeviceSize freeSpace1stTo2ndEnd =
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m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size;
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while(lastOffset < freeSpace1stTo2ndEnd)
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{
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{
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// Find next non-null allocation or move nextAllocIndex to the end.
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// Find next non-null allocation or move nextAllocIndex to the end.
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while(nextAlloc1stIndex < suballoc1stCount &&
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while(nextAlloc1stIndex < suballoc1stCount &&
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@ -7618,6 +7860,53 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const
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}
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}
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// We are at the end.
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// We are at the end.
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else
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else
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{
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if(lastOffset < size)
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{
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// There is free space from lastOffset to freeSpace1stTo2ndEnd.
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++unusedRangeCount;
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}
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// End of loop.
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lastOffset = freeSpace1stTo2ndEnd;
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}
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}
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if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK)
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{
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size_t nextAlloc2ndIndex = suballocations2nd.size() - 1;
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while(lastOffset < size)
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{
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// Find next non-null allocation or move nextAlloc2ndIndex to the end.
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while(nextAlloc2ndIndex != SIZE_MAX &&
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||||||
|
suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE)
|
||||||
|
{
|
||||||
|
--nextAlloc2ndIndex;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Found non-null allocation.
|
||||||
|
if(nextAlloc2ndIndex != SIZE_MAX)
|
||||||
|
{
|
||||||
|
const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex];
|
||||||
|
|
||||||
|
// 1. Process free space before this allocation.
|
||||||
|
if(lastOffset < suballoc.offset)
|
||||||
|
{
|
||||||
|
// There is free space from lastOffset to suballoc.offset.
|
||||||
|
++unusedRangeCount;
|
||||||
|
}
|
||||||
|
|
||||||
|
// 2. Process this allocation.
|
||||||
|
// There is allocation with suballoc.offset, suballoc.size.
|
||||||
|
++alloc2ndCount;
|
||||||
|
usedBytes += suballoc.size;
|
||||||
|
|
||||||
|
// 3. Prepare for next iteration.
|
||||||
|
lastOffset = suballoc.offset + suballoc.size;
|
||||||
|
++nextAlloc2ndIndex;
|
||||||
|
}
|
||||||
|
// We are at the end.
|
||||||
|
else
|
||||||
{
|
{
|
||||||
if(lastOffset < size)
|
if(lastOffset < size)
|
||||||
{
|
{
|
||||||
@ -7629,6 +7918,7 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const
|
|||||||
lastOffset = size;
|
lastOffset = size;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
|
||||||
const VkDeviceSize unusedBytes = size - usedBytes;
|
const VkDeviceSize unusedBytes = size - usedBytes;
|
||||||
PrintDetailedMap_Begin(json, unusedBytes, alloc1stCount + alloc2ndCount, unusedRangeCount);
|
PrintDetailedMap_Begin(json, unusedBytes, alloc1stCount + alloc2ndCount, unusedRangeCount);
|
||||||
@ -7687,7 +7977,7 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const
|
|||||||
}
|
}
|
||||||
|
|
||||||
nextAlloc1stIndex = m_1stNullItemsBeginCount;
|
nextAlloc1stIndex = m_1stNullItemsBeginCount;
|
||||||
while(lastOffset < size)
|
while(lastOffset < freeSpace1stTo2ndEnd)
|
||||||
{
|
{
|
||||||
// Find next non-null allocation or move nextAllocIndex to the end.
|
// Find next non-null allocation or move nextAllocIndex to the end.
|
||||||
while(nextAlloc1stIndex < suballoc1stCount &&
|
while(nextAlloc1stIndex < suballoc1stCount &&
|
||||||
@ -7719,6 +8009,54 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const
|
|||||||
}
|
}
|
||||||
// We are at the end.
|
// We are at the end.
|
||||||
else
|
else
|
||||||
|
{
|
||||||
|
if(lastOffset < freeSpace1stTo2ndEnd)
|
||||||
|
{
|
||||||
|
// There is free space from lastOffset to freeSpace1stTo2ndEnd.
|
||||||
|
const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset;
|
||||||
|
PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize);
|
||||||
|
}
|
||||||
|
|
||||||
|
// End of loop.
|
||||||
|
lastOffset = freeSpace1stTo2ndEnd;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK)
|
||||||
|
{
|
||||||
|
size_t nextAlloc2ndIndex = suballocations2nd.size() - 1;
|
||||||
|
while(lastOffset < size)
|
||||||
|
{
|
||||||
|
// Find next non-null allocation or move nextAlloc2ndIndex to the end.
|
||||||
|
while(nextAlloc2ndIndex != SIZE_MAX &&
|
||||||
|
suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE)
|
||||||
|
{
|
||||||
|
--nextAlloc2ndIndex;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Found non-null allocation.
|
||||||
|
if(nextAlloc2ndIndex != SIZE_MAX)
|
||||||
|
{
|
||||||
|
const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex];
|
||||||
|
|
||||||
|
// 1. Process free space before this allocation.
|
||||||
|
if(lastOffset < suballoc.offset)
|
||||||
|
{
|
||||||
|
// There is free space from lastOffset to suballoc.offset.
|
||||||
|
const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset;
|
||||||
|
PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize);
|
||||||
|
}
|
||||||
|
|
||||||
|
// 2. Process this allocation.
|
||||||
|
// There is allocation with suballoc.offset, suballoc.size.
|
||||||
|
PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.hAllocation);
|
||||||
|
|
||||||
|
// 3. Prepare for next iteration.
|
||||||
|
lastOffset = suballoc.offset + suballoc.size;
|
||||||
|
--nextAlloc2ndIndex;
|
||||||
|
}
|
||||||
|
// We are at the end.
|
||||||
|
else
|
||||||
{
|
{
|
||||||
if(lastOffset < size)
|
if(lastOffset < size)
|
||||||
{
|
{
|
||||||
@ -7731,6 +8069,7 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const
|
|||||||
lastOffset = size;
|
lastOffset = size;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
|
||||||
PrintDetailedMap_End(json);
|
PrintDetailedMap_End(json);
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user