public Buffer(VkBufferUsageFlags usageFlags, VkMemoryPropertyFlags memoryPropFlags, ulong stride, ulong count,
VkSharingMode sharingMode = VkSharingMode.Exclusive, uint[] queueFamilyIndices = null, IntPtr data = default)
{
Stride = stride;
Count = count;
Size = stride * count;
// Create the buffer handle
var bufferCreateInfo = new VkBufferCreateInfo(usageFlags, Size, queueFamilyIndices)
{
sharingMode = sharingMode
};
if (data != null && (memoryPropertyFlags & VkMemoryPropertyFlags.HostCoherent) == 0)
{
bufferCreateInfo.usage |= VkBufferUsageFlags.TransferDst;
}
handle = Device.CreateBuffer(ref bufferCreateInfo);
UsageFlags = usageFlags;
memoryPropertyFlags = memoryPropFlags;
Device.GetBufferMemoryRequirements(handle, out VkMemoryRequirements memReqs);
Allocate(memReqs);
Device.BindBufferMemory(handle, memory, 0);
if (data != IntPtr.Zero)
{
SetData(data, 0, Size);
}
SetupDescriptor();
}
public static VkBuffer CreateBuffer(ref VkBufferCreateInfo pCreateInfo)
{
VulkanUtil.CheckResult(vkCreateBuffer(device, Utilities.AsPtr(ref pCreateInfo), null, out VkBuffer buffer));
return(buffer);
}