public static extern int vmaAllocateMemoryForImage(
IntPtr allocator,
IntPtr image,
ref VmaAllocationCreateInfo pCreateInfo,
out IntPtr pAllocation,
out VmaAllocationInfo pAllocationInfo
);
public static extern int vmaAllocateMemoryForBuffer(
IntPtr allocator,
IntPtr buffer,
ref VmaAllocationCreateInfo pCreateInfo,
out IntPtr pAllocation,
out VmaAllocationInfo pAllocationInfo
);
public static extern int vmaAllocateMemory(
IntPtr allocator,
IntPtr pVkMemoryRequirements,
ref VmaAllocationCreateInfo pCreateInfo,
out IntPtr pAllocation,
out VmaAllocationInfo pAllocationInfo
);
public static extern int vmaCreateImage(
IntPtr allocator,
IntPtr pImageCreateInfo,
ref VmaAllocationCreateInfo pAllocationCreateInfo,
out ulong pImage,
out IntPtr pAllocation,
IntPtr pAllocationInfo
);
public static extern int vmaCreateBuffer(
IntPtr allocator,
IntPtr pBufferCreateInfo,
ref VmaAllocationCreateInfo pAllocationCreateInfo,
out ulong pBuffer,
out IntPtr pAllocation,
IntPtr pAllocationInfo
);
public static extern int vmaAllocateMemoryPages(
IntPtr allocator,
IntPtr pVkMemoryRequirements,
ref VmaAllocationCreateInfo pCreateInfo,
uint allocationCount,
out IntPtr[] pAllocations,
out VmaAllocationInfo pAllocationInfo
);
public void Build(int deviceIndex)
{
if (!locked)
{
var devInfo = GraphicsDevice.GetDeviceInfo(deviceIndex);
unsafe
{
fixed(uint *queueFamInds = devInfo.QueueFamilyIndices)
{
var creatInfo = new VkImageCreateInfo()
{
sType = VkStructureType.StructureTypeImageCreateInfo,
flags = 0,
format = (VkFormat)Format,
usage = (VkImageUsageFlags)Usage,
mipLevels = Levels,
arrayLayers = Layers,
extent = new VkExtent3D()
{
width = Width,
height = Height,
depth = Depth
},
samples = VkSampleCountFlags.SampleCount1Bit,
tiling = VkImageTiling.ImageTilingOptimal,
sharingMode = VkSharingMode.SharingModeExclusive,
initialLayout = (VkImageLayout)InitialLayout,
pQueueFamilyIndices = queueFamInds,
queueFamilyIndexCount = (uint)devInfo.QueueFamilyIndices.Length,
};
creatInfo.imageType = Dimensions switch
{
1 => VkImageType.ImageType1d,
2 => VkImageType.ImageType2d,
3 => VkImageType.ImageType3d,
_ => throw new Exception("Unknown Image Shape.")
};
var vmaCreatInfo = new VmaAllocationCreateInfo()
{
usage = (VmaMemoryUsage)MemoryUsage
};
var allocInfo_p = new ManagedPtr <VmaAllocationInfo>();
var res = GraphicsDevice.CreateImage(deviceIndex, creatInfo.Pointer(), vmaCreatInfo.Pointer(), out var img_l, out var imgAlloc_l, allocInfo_p);
hndl = img_l;
imgAlloc = imgAlloc_l;
allocInfo = allocInfo_p.Value;
devID = deviceIndex;
CurrentLayout = InitialLayout;
CurrentAccesses = AccessFlags.None;
CurrentUsageStage = PipelineStage.Top;
if (GraphicsDevice.EnableValidation)
{
var objName = new VkDebugUtilsObjectNameInfoEXT()
{
sType = VkStructureType.StructureTypeDebugUtilsObjectNameInfoExt,
pObjectName = Name,
objectType = VkObjectType.ObjectTypeImage,
objectHandle = (ulong)hndl
};
GraphicsDevice.SetDebugUtilsObjectNameEXT(GraphicsDevice.GetDeviceInfo(deviceIndex).Device, objName.Pointer());
}
}
}
locked = true;
}
else
{
throw new Exception("Image is locked.");
}
}
public static extern int vmaFindMemoryTypeIndexForImageInfo(
IntPtr allocator,
IntPtr pImageCreateInfo,
ref VmaAllocationCreateInfo pAllocationCreateInfo,
out uint pMemoryTypeIndex
);
public static extern int vmaFindMemoryTypeIndex(
IntPtr allocator,
uint memoryTypeBits,
ref VmaAllocationCreateInfo pAllocationCreateInfo,
out uint pMemoryTypeIndex
);
