public unsafe DepthImage(uint width, uint height, PhysicalDevice physicalDevice, Device device)
{
_width = width;
_height = height;
_vk = VkUtil.Vk;
_physicalDevice = physicalDevice;
_device = device;
Format = FindFormat(FormatFeatureFlags.FormatFeatureDepthStencilAttachmentBit, Format.D32SfloatS8Uint, Format.D24UnormS8Uint);
ImageCreateInfo imageCreateInfo = VkInit.ImageCreateInfo(ImageType.ImageType2D, Format, _width, _height);
VkUtil.AssertVulkan(_vk.CreateImage(_device, imageCreateInfo, null, out _image));
_vk.GetImageMemoryRequirements(_device, _image, out MemoryRequirements memReqs);
_vk.GetPhysicalDeviceMemoryProperties(_physicalDevice, out PhysicalDeviceMemoryProperties memoryProperties);
uint index = VkUtil.FindMemoryTypeIndex(memReqs.MemoryTypeBits, MemoryPropertyFlags.MemoryPropertyDeviceLocalBit, memoryProperties);
MemoryAllocateInfo memoryAllocateInfo = VkInit.MemoryAllocateInfo(memReqs.Size, index);
VkUtil.AssertVulkan(_vk.AllocateMemory(_device, memoryAllocateInfo, null, out _memory));
VkUtil.AssertVulkan(_vk.BindImageMemory(_device, _image, _memory, 0));
ImageViewCreateInfo imageViewCreateInfo = VkInit.ImageViewCreateInfo(Format, _image, ImageAspectFlags.ImageAspectDepthBit);
VkUtil.AssertVulkan(_vk.CreateImageView(_device, imageViewCreateInfo, null, out _imageView));
}
private unsafe DeviceMemory BindImageMemory()
{
Device device = _renderer.Params.Device;
AllocationCallbacks *allocator = (AllocationCallbacks *)_renderer.Params.AllocationCallbacks.ToPointer();
Vk vk = _renderer.Vk;
vk.GetImageMemoryRequirements(device, _image, out MemoryRequirements memReqs);
MemoryAllocateInfo memoryAllocateInfo = new()
{
SType = StructureType.MemoryAllocateInfo,
AllocationSize = memReqs.Size,
MemoryTypeIndex = _renderer.FindMemoryTypeIndex(memReqs.MemoryTypeBits, MemoryPropertyFlags.MemoryPropertyDeviceLocalBit)
};
_renderer.AssertVulkan(vk.AllocateMemory(device, memoryAllocateInfo, allocator, out DeviceMemory memory));
_renderer.AssertVulkan(vk.BindImageMemory(device, _image, memory, 0));
return(memory);
}