public Suballocation(long offset, long size, SuballocationType type = SuballocationType.Free, BlockAllocation?alloc = null)
{
Offset = offset;
Size = size;
Allocation = alloc;
Type = type;
}
public static bool IsBufferImageGranularityConflict(SuballocationType type1, SuballocationType type2)
{
if (type1 > type2)
{
//Swap
var type3 = type1;
type1 = type2;
type2 = type3;
}
switch (type1)
{
case SuballocationType.Free:
return(false);
case SuballocationType.Unknown:
return(true);
case SuballocationType.Buffer:
return(type2 == SuballocationType.Image_Unknown || type2 == SuballocationType.Image_Optimal);
case SuballocationType.Image_Unknown:
return(type2 == SuballocationType.Image_Unknown || type2 == SuballocationType.Image_Linear || type2 == SuballocationType.Image_Optimal);
case SuballocationType.Image_Linear:
return(type2 == SuballocationType.Image_Optimal);
case SuballocationType.Image_Optimal:
return(false);
default:
Debug.Assert(false);
return(true);
}
}
public AllocationContext(int currentFrame, int framesInUse, long bufferImageGranularity, long allocationSize, long allocationAlignment, AllocationStrategyFlags strategy, SuballocationType suballocType, bool canMakeOtherLost)
{
CurrentFrame = currentFrame;
FrameInUseCount = framesInUse;
BufferImageGranularity = bufferImageGranularity;
AllocationSize = allocationSize;
AllocationAlignment = allocationAlignment;
Strategy = strategy;
SuballocationType = suballocType;
CanMakeOtherLost = canMakeOtherLost;
}
public DedicatedAllocation(VulkanMemoryAllocator allocator, int memTypeIndex, DeviceMemory memory, SuballocationType suballocType, IntPtr mappedData, long size) : base(allocator, 0)
{
this.memory = memory;
this.mappedData = mappedData;
this.memoryTypeIndex = memTypeIndex;
}