public static void CreateImage(
VkDevice device,
VkPhysicalDevice physicalDevice,
VkDeviceMemoryManager memoryManager,
uint width,
uint height,
uint arrayLayers,
VkFormat format,
VkImageTiling tiling,
VkImageUsageFlags usage,
VkMemoryPropertyFlags properties,
out VkImage image,
out VkMemoryBlock memory)
{
VkImageCreateInfo imageCI = VkImageCreateInfo.New();
imageCI.imageType = VkImageType.Image2D;
imageCI.extent.width = width;
imageCI.extent.height = height;
imageCI.extent.depth = 1;
imageCI.mipLevels = 1;
imageCI.arrayLayers = arrayLayers;
imageCI.format = format;
imageCI.tiling = tiling;
imageCI.initialLayout = VkImageLayout.Preinitialized;
imageCI.usage = usage;
imageCI.sharingMode = VkSharingMode.Exclusive;
imageCI.samples = VkSampleCountFlags.Count1;
VkResult result = vkCreateImage(device, ref imageCI, null, out image);
CheckResult(result);
vkGetImageMemoryRequirements(device, image, out VkMemoryRequirements memRequirements);
VkMemoryBlock memoryToken = memoryManager.Allocate(
FindMemoryType(physicalDevice, memRequirements.memoryTypeBits, properties),
memRequirements.size,
memRequirements.alignment);
memory = memoryToken;
result = vkBindImageMemory(device, image, memory.DeviceMemory, memory.Offset);
CheckResult(result);
}
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;
}
private void CopyDataSingleStagingBuffer(IntPtr pixelsFront, IntPtr pixelsBack, IntPtr pixelsLeft, IntPtr pixelsRight, IntPtr pixelsTop, IntPtr pixelsBottom, VkMemoryRequirements memReqs)
{
VkBufferCreateInfo bufferCI = VkBufferCreateInfo.New();
bufferCI.size = memReqs.size;
bufferCI.usage = VkBufferUsageFlags.TransferSrc;
vkCreateBuffer(_device, ref bufferCI, null, out VkBuffer stagingBuffer);
vkGetBufferMemoryRequirements(_device, stagingBuffer, out VkMemoryRequirements stagingMemReqs);
VkMemoryBlock stagingMemory = _memoryManager.Allocate(
FindMemoryType(
_physicalDevice,
stagingMemReqs.memoryTypeBits,
VkMemoryPropertyFlags.HostVisible | VkMemoryPropertyFlags.HostCoherent),
stagingMemReqs.size,
stagingMemReqs.alignment);
VkResult result = vkBindBufferMemory(_device, stagingBuffer, stagingMemory.DeviceMemory, 0);
CheckResult(result);
StackList <IntPtr, Size6IntPtr> faces = new StackList <IntPtr, Size6IntPtr>();
faces.Add(pixelsRight);
faces.Add(pixelsLeft);
faces.Add(pixelsTop);
faces.Add(pixelsBottom);
faces.Add(pixelsBack);
faces.Add(pixelsFront);
for (uint i = 0; i < 6; i++)
{
VkImageSubresource subresource;
subresource.aspectMask = VkImageAspectFlags.Color;
subresource.arrayLayer = i;
subresource.mipLevel = 0;
vkGetImageSubresourceLayout(_device, _image, ref subresource, out VkSubresourceLayout faceLayout);
void *mappedPtr;
result = vkMapMemory(_device, stagingMemory.DeviceMemory, faceLayout.offset, faceLayout.size, 0, &mappedPtr);
CheckResult(result);
Buffer.MemoryCopy((void *)faces[i], mappedPtr, faceLayout.size, faceLayout.size);
vkUnmapMemory(_device, stagingMemory.DeviceMemory);
}
StackList <VkBufferImageCopy, Size512Bytes> copyRegions = new StackList <VkBufferImageCopy, Size512Bytes>();
for (uint i = 0; i < 6; i++)
{
VkImageSubresource subres;
subres.aspectMask = VkImageAspectFlags.Color;
subres.mipLevel = 0;
subres.arrayLayer = i;
vkGetImageSubresourceLayout(_device, _image, ref subres, out VkSubresourceLayout layout);
VkBufferImageCopy copyRegion;
copyRegion.bufferOffset = layout.offset;
copyRegion.bufferImageHeight = 0;
copyRegion.bufferRowLength = 0;
copyRegion.imageExtent.width = (uint)Width;
copyRegion.imageExtent.height = (uint)Height;
copyRegion.imageExtent.depth = 1;
copyRegion.imageOffset.x = 0;
copyRegion.imageOffset.y = 0;
copyRegion.imageOffset.z = 0;
copyRegion.imageSubresource.baseArrayLayer = i;
copyRegion.imageSubresource.aspectMask = VkImageAspectFlags.Color;
copyRegion.imageSubresource.layerCount = 1;
copyRegion.imageSubresource.mipLevel = 0;
copyRegions.Add(copyRegion);
}
VkFenceCreateInfo fenceCI = VkFenceCreateInfo.New();
result = vkCreateFence(_device, ref fenceCI, null, out VkFence copyFence);
CheckResult(result);
TransitionImageLayout(_image, (uint)MipLevels, 0, 6, _imageLayout, VkImageLayout.TransferDstOptimal);
VkCommandBuffer copyCmd = _rc.BeginOneTimeCommands();
vkCmdCopyBufferToImage(copyCmd, stagingBuffer, _image, VkImageLayout.TransferDstOptimal, copyRegions.Count, (IntPtr)copyRegions.Data);
_rc.EndOneTimeCommands(copyCmd, copyFence);
result = vkWaitForFences(_device, 1, ref copyFence, true, ulong.MaxValue);
CheckResult(result);
vkDestroyBuffer(_device, stagingBuffer, null);
_memoryManager.Free(stagingMemory);
}
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);
}
