public VkMemoryBlock Allocate(uint memoryTypeIndex, ulong size, ulong alignment)
{
ChunkAllocatorSet allocator = GetAllocator(memoryTypeIndex);
bool result = allocator.Allocate(size, alignment, out VkMemoryBlock ret);
if (!result)
{
throw new VeldridException("Unable to allocate memory.");
}
return(ret);
}
public VkMemoryBlock Allocate(
VkPhysicalDeviceMemoryProperties memProperties,
uint memoryTypeBits,
VkMemoryPropertyFlags flags,
bool persistentMapped,
ulong size,
ulong alignment)
{
lock (_lock)
{
uint memoryTypeIndex = FindMemoryType(memProperties, memoryTypeBits, flags);
ulong minDedicatedAllocationSize = persistentMapped
? MinDedicatedAllocationSizeDynamic
: MinDedicatedAllocationSizeNonDynamic;
if (size >= minDedicatedAllocationSize)
{
VkMemoryAllocateInfo allocateInfo = VkMemoryAllocateInfo.New();
allocateInfo.allocationSize = size;
allocateInfo.memoryTypeIndex = memoryTypeIndex;
VkResult allocationResult = vkAllocateMemory(_device, ref allocateInfo, null, out VkDeviceMemory memory);
if (allocationResult != VkResult.Success)
{
throw new VeldridException("Unable to allocate sufficient Vulkan memory.");
}
void *mappedPtr = null;
if (persistentMapped)
{
VkResult mapResult = vkMapMemory(_device, memory, 0, size, 0, &mappedPtr);
if (mapResult != VkResult.Success)
{
throw new VeldridException("Unable to map newly-allocated Vulkan memory.");
}
}
return(new VkMemoryBlock(memory, 0, size, memoryTypeBits, null, true));
}
else
{
ChunkAllocatorSet allocator = GetAllocator(memoryTypeIndex, persistentMapped);
bool result = allocator.Allocate(size, alignment, out VkMemoryBlock ret);
if (!result)
{
throw new VeldridException("Unable to allocate sufficient Vulkan memory.");
}
return(ret);
}
}
}
public VkMemoryBlock Allocate(
VkPhysicalDeviceMemoryProperties memProperties,
uint memoryTypeBits,
VkMemoryPropertyFlags flags,
bool persistentMapped,
ulong size,
ulong alignment)
{
lock (_lock)
{
uint memoryTypeIndex = FindMemoryType(memProperties, memoryTypeBits, flags);
ChunkAllocatorSet allocator = GetAllocator(memoryTypeIndex, persistentMapped);
bool result = allocator.Allocate(size, alignment, out VkMemoryBlock ret);
if (!result)
{
throw new VeldridException("Unable to allocate memory.");
}
return(ret);
}
}
public VkMemoryBlock Allocate(
VkPhysicalDeviceMemoryProperties memProperties,
uint memoryTypeBits,
VkMemoryPropertyFlags flags,
bool persistentMapped,
ulong size,
ulong alignment,
bool dedicated,
VkImage dedicatedImage,
Vulkan.VkBuffer dedicatedBuffer)
{
// Round up to the nearest multiple of bufferImageGranularity.
size = ((size / _bufferImageGranularity) + 1) * _bufferImageGranularity;
_totalAllocatedBytes += size;
lock (_lock)
{
if (!TryFindMemoryType(memProperties, memoryTypeBits, flags, out var memoryTypeIndex))
{
throw new VeldridException("No suitable memory type.");
}
ulong minDedicatedAllocationSize = persistentMapped
? MinDedicatedAllocationSizeDynamic
: MinDedicatedAllocationSizeNonDynamic;
if (dedicated || size >= minDedicatedAllocationSize)
{
VkMemoryAllocateInfo allocateInfo = VkMemoryAllocateInfo.New();
allocateInfo.allocationSize = size;
allocateInfo.memoryTypeIndex = memoryTypeIndex;
VkMemoryDedicatedAllocateInfoKHR dedicatedAI;
if (dedicated)
{
dedicatedAI = VkMemoryDedicatedAllocateInfoKHR.New();
dedicatedAI.buffer = dedicatedBuffer;
dedicatedAI.image = dedicatedImage;
allocateInfo.pNext = &dedicatedAI;
}
VkResult allocationResult = vkAllocateMemory(_device, ref allocateInfo, null, out VkDeviceMemory memory);
if (allocationResult != VkResult.Success)
{
throw new VeldridException("Unable to allocate sufficient Vulkan memory.");
}
void *mappedPtr = null;
if (persistentMapped)
{
VkResult mapResult = vkMapMemory(_device, memory, 0, size, 0, &mappedPtr);
if (mapResult != VkResult.Success)
{
throw new VeldridException("Unable to map newly-allocated Vulkan memory.");
}
}
return(new VkMemoryBlock(memory, 0, size, memoryTypeBits, mappedPtr, true));
}
else
{
ChunkAllocatorSet allocator = GetAllocator(memoryTypeIndex, persistentMapped);
bool result = allocator.Allocate(size, alignment, out VkMemoryBlock ret);
if (!result)
{
throw new VeldridException("Unable to allocate sufficient Vulkan memory.");
}
return(ret);
}
}
}