public VkCubemapTexture(
VkDevice device,
VkPhysicalDevice physicalDevice,
VkDeviceMemoryManager memoryManager,
VkRenderContext rc,
IntPtr pixelsFront,
IntPtr pixelsBack,
IntPtr pixelsLeft,
IntPtr pixelsRight,
IntPtr pixelsTop,
IntPtr pixelsBottom,
int width,
int height,
PixelFormat format)
{
_device = device;
_physicalDevice = physicalDevice;
_rc = rc;
_memoryManager = memoryManager;
Width = width;
Height = height;
_format = format;
_vkFormat = VkFormats.VeldridToVkPixelFormat(_format);
vkGetPhysicalDeviceImageFormatProperties(
_physicalDevice,
_vkFormat,
VkImageType.Image2D,
VkImageTiling.Linear,
VkImageUsageFlags.Sampled,
VkImageCreateFlags.CubeCompatible,
out VkImageFormatProperties linearProps);
vkGetPhysicalDeviceImageFormatProperties(
_physicalDevice,
_vkFormat,
VkImageType.Image2D,
VkImageTiling.Optimal,
VkImageUsageFlags.Sampled,
VkImageCreateFlags.CubeCompatible,
out VkImageFormatProperties optimalProps);
bool useSingleStagingBuffer = linearProps.maxArrayLayers >= 6;
VkImageCreateInfo imageCI = VkImageCreateInfo.New();
imageCI.imageType = VkImageType.Image2D;
imageCI.flags = VkImageCreateFlags.CubeCompatible;
imageCI.format = _vkFormat;
imageCI.extent.width = (uint)width;
imageCI.extent.height = (uint)height;
imageCI.extent.depth = 1;
imageCI.mipLevels = 1;
imageCI.arrayLayers = 6;
imageCI.samples = VkSampleCountFlags.Count1;
imageCI.tiling = useSingleStagingBuffer ? VkImageTiling.Linear : VkImageTiling.Optimal;
imageCI.usage = VkImageUsageFlags.Sampled | VkImageUsageFlags.TransferDst;
imageCI.initialLayout = VkImageLayout.Preinitialized;
VkResult result = vkCreateImage(_device, ref imageCI, null, out _image);
CheckResult(result);
vkGetImageMemoryRequirements(_device, _image, out VkMemoryRequirements memReqs);
uint memoryType = FindMemoryType(_physicalDevice, memReqs.memoryTypeBits, VkMemoryPropertyFlags.DeviceLocal);
_memory = memoryManager.Allocate(memoryType, memReqs.size, memReqs.alignment);
vkBindImageMemory(_device, _image, _memory.DeviceMemory, _memory.Offset);
if (useSingleStagingBuffer)
{
CopyDataSingleStagingBuffer(pixelsFront, pixelsBack, pixelsLeft, pixelsRight, pixelsTop, pixelsBottom, memReqs);
}
else
{
CopyDataMultiImage(pixelsFront, pixelsBack, pixelsLeft, pixelsRight, pixelsTop, pixelsBottom);
}
TransitionImageLayout(_image, (uint)MipLevels, 0, 6, VkImageLayout.TransferDstOptimal, VkImageLayout.ShaderReadOnlyOptimal);
_imageLayout = VkImageLayout.ShaderReadOnlyOptimal;
}
public VkTexture2D(
VkDevice device,
VkPhysicalDevice physicalDevice,
VkDeviceMemoryManager memoryManager,
VkRenderContext rc,
int mipLevels,
int width,
int height,
PixelFormat veldridFormat,
DeviceTextureCreateOptions createOptions)
{
_device = device;
_physicalDevice = physicalDevice;
_memoryManager = memoryManager;
_rc = rc;
MipLevels = mipLevels;
_width = width;
_height = height;
_createOptions = createOptions;
if (createOptions == DeviceTextureCreateOptions.DepthStencil)
{
Format = VkFormat.D16Unorm;
}
else
{
Format = VkFormats.VeldridToVkPixelFormat(veldridFormat);
}
_veldridFormat = veldridFormat;
VkImageCreateInfo imageCI = VkImageCreateInfo.New();
imageCI.mipLevels = (uint)mipLevels;
imageCI.arrayLayers = 1;
imageCI.imageType = VkImageType.Image2D;
imageCI.extent.width = (uint)width;
imageCI.extent.height = (uint)height;
imageCI.extent.depth = 1;
imageCI.initialLayout = VkImageLayout.Preinitialized; // TODO: Use proper VkImageLayout values and transitions.
imageCI.usage = VkImageUsageFlags.TransferDst | VkImageUsageFlags.Sampled;
if (createOptions == DeviceTextureCreateOptions.RenderTarget)
{
imageCI.usage |= VkImageUsageFlags.ColorAttachment;
}
else if (createOptions == DeviceTextureCreateOptions.DepthStencil)
{
imageCI.usage |= VkImageUsageFlags.DepthStencilAttachment;
}
imageCI.tiling = createOptions == DeviceTextureCreateOptions.DepthStencil ? VkImageTiling.Optimal : VkImageTiling.Optimal;
imageCI.format = Format;
imageCI.samples = VkSampleCountFlags.Count1;
VkResult result = vkCreateImage(device, ref imageCI, null, out _image);
CheckResult(result);
vkGetImageMemoryRequirements(_device, _image, out VkMemoryRequirements memoryRequirements);
VkMemoryBlock memoryToken = memoryManager.Allocate(
FindMemoryType(
_physicalDevice,
memoryRequirements.memoryTypeBits,
VkMemoryPropertyFlags.DeviceLocal),
memoryRequirements.size,
memoryRequirements.alignment);
_memory = memoryToken;
vkBindImageMemory(_device, _image, _memory.DeviceMemory, _memory.Offset);
}