예제 #1
0
파일: VkBuffer.cs 프로젝트: yvanoff/veldrid
        public VkBuffer(VkGraphicsDevice gd, uint sizeInBytes, BufferUsage usage, string callerMember = null)
        {
            _gd         = gd;
            SizeInBytes = sizeInBytes;
            Usage       = usage;

            VkBufferUsageFlags vkUsage = VkBufferUsageFlags.TransferSrc | VkBufferUsageFlags.TransferDst;

            if ((usage & BufferUsage.VertexBuffer) == BufferUsage.VertexBuffer)
            {
                vkUsage |= VkBufferUsageFlags.VertexBuffer;
            }
            if ((usage & BufferUsage.IndexBuffer) == BufferUsage.IndexBuffer)
            {
                vkUsage |= VkBufferUsageFlags.IndexBuffer;
            }
            if ((usage & BufferUsage.UniformBuffer) == BufferUsage.UniformBuffer)
            {
                vkUsage |= VkBufferUsageFlags.UniformBuffer;
            }
            if ((usage & BufferUsage.StructuredBufferReadWrite) == BufferUsage.StructuredBufferReadWrite ||
                (usage & BufferUsage.StructuredBufferReadOnly) == BufferUsage.StructuredBufferReadOnly)
            {
                vkUsage |= VkBufferUsageFlags.StorageBuffer;
            }
            if ((usage & BufferUsage.IndirectBuffer) == BufferUsage.IndirectBuffer)
            {
                vkUsage |= VkBufferUsageFlags.IndirectBuffer;
            }

            VkBufferCreateInfo bufferCI = VkBufferCreateInfo.New();

            bufferCI.size  = sizeInBytes;
            bufferCI.usage = vkUsage;
            VkResult result = vkCreateBuffer(gd.Device, ref bufferCI, null, out _deviceBuffer);

            CheckResult(result);

            bool prefersDedicatedAllocation;

            if (_gd.GetBufferMemoryRequirements2 != null)
            {
                VkBufferMemoryRequirementsInfo2KHR memReqInfo2 = VkBufferMemoryRequirementsInfo2KHR.New();
                memReqInfo2.buffer = _deviceBuffer;
                VkMemoryRequirements2KHR         memReqs2      = VkMemoryRequirements2KHR.New();
                VkMemoryDedicatedRequirementsKHR dedicatedReqs = VkMemoryDedicatedRequirementsKHR.New();
                memReqs2.pNext = &dedicatedReqs;
                _gd.GetBufferMemoryRequirements2(_gd.Device, &memReqInfo2, &memReqs2);
                _bufferMemoryRequirements  = memReqs2.memoryRequirements;
                prefersDedicatedAllocation = dedicatedReqs.prefersDedicatedAllocation || dedicatedReqs.requiresDedicatedAllocation;
            }
            else
            {
                vkGetBufferMemoryRequirements(gd.Device, _deviceBuffer, out _bufferMemoryRequirements);
                prefersDedicatedAllocation = false;
            }

            bool hostVisible = (usage & BufferUsage.Dynamic) == BufferUsage.Dynamic ||
                               (usage & BufferUsage.Staging) == BufferUsage.Staging;

            VkMemoryPropertyFlags memoryPropertyFlags =
                hostVisible
                ? VkMemoryPropertyFlags.HostVisible | VkMemoryPropertyFlags.HostCoherent
                : VkMemoryPropertyFlags.DeviceLocal;

            VkMemoryBlock memoryToken = gd.MemoryManager.Allocate(
                gd.PhysicalDeviceMemProperties,
                _bufferMemoryRequirements.memoryTypeBits,
                memoryPropertyFlags,
                hostVisible,
                _bufferMemoryRequirements.size,
                _bufferMemoryRequirements.alignment,
                prefersDedicatedAllocation,
                VkImage.Null,
                _deviceBuffer);

            _memory = memoryToken;
            result  = vkBindBufferMemory(gd.Device, _deviceBuffer, _memory.DeviceMemory, _memory.Offset);
            CheckResult(result);

            RefCount = new ResourceRefCount(DisposeCore);
        }
예제 #2
0
        internal VkTexture(VkGraphicsDevice gd, ref TextureDescription description)
        {
            _gd         = gd;
            _width      = description.Width;
            _height     = description.Height;
            _depth      = description.Depth;
            MipLevels   = description.MipLevels;
            ArrayLayers = description.ArrayLayers;
            bool isCubemap = ((description.Usage) & TextureUsage.Cubemap) == TextureUsage.Cubemap;

            _actualImageArrayLayers = isCubemap
                ? 6 * ArrayLayers
                : ArrayLayers;
            _format       = description.Format;
            Usage         = description.Usage;
            Type          = description.Type;
            SampleCount   = description.SampleCount;
            VkSampleCount = VkFormats.VdToVkSampleCount(SampleCount);
            VkFormat      = VkFormats.VdToVkPixelFormat(Format, (description.Usage & TextureUsage.DepthStencil) == TextureUsage.DepthStencil);

            bool isStaging = (Usage & TextureUsage.Staging) == TextureUsage.Staging;

            if (!isStaging)
            {
                VkImageCreateInfo imageCI = VkImageCreateInfo.New();
                imageCI.mipLevels     = MipLevels;
                imageCI.arrayLayers   = _actualImageArrayLayers;
                imageCI.imageType     = VkFormats.VdToVkTextureType(Type);
                imageCI.extent.width  = Width;
                imageCI.extent.height = Height;
                imageCI.extent.depth  = Depth;
                imageCI.initialLayout = VkImageLayout.Preinitialized;
                imageCI.usage         = VkFormats.VdToVkTextureUsage(Usage);
                imageCI.tiling        = isStaging ? VkImageTiling.Linear : VkImageTiling.Optimal;
                imageCI.format        = VkFormat;
                imageCI.flags         = VkImageCreateFlags.MutableFormat;

                imageCI.samples = VkSampleCount;
                if (isCubemap)
                {
                    imageCI.flags |= VkImageCreateFlags.CubeCompatible;
                }

                uint     subresourceCount = MipLevels * _actualImageArrayLayers * Depth;
                VkResult result           = vkCreateImage(gd.Device, ref imageCI, null, out _optimalImage);
                CheckResult(result);

                VkMemoryRequirements memoryRequirements;
                bool prefersDedicatedAllocation;
                if (_gd.GetImageMemoryRequirements2 != null)
                {
                    VkImageMemoryRequirementsInfo2KHR memReqsInfo2 = VkImageMemoryRequirementsInfo2KHR.New();
                    memReqsInfo2.image = _optimalImage;
                    VkMemoryRequirements2KHR         memReqs2      = VkMemoryRequirements2KHR.New();
                    VkMemoryDedicatedRequirementsKHR dedicatedReqs = VkMemoryDedicatedRequirementsKHR.New();
                    memReqs2.pNext = &dedicatedReqs;
                    _gd.GetImageMemoryRequirements2(_gd.Device, &memReqsInfo2, &memReqs2);
                    memoryRequirements         = memReqs2.memoryRequirements;
                    prefersDedicatedAllocation = dedicatedReqs.prefersDedicatedAllocation || dedicatedReqs.requiresDedicatedAllocation;
                }
                else
                {
                    vkGetImageMemoryRequirements(gd.Device, _optimalImage, out memoryRequirements);
                    prefersDedicatedAllocation = false;
                }

                VkMemoryBlock memoryToken = gd.MemoryManager.Allocate(
                    gd.PhysicalDeviceMemProperties,
                    memoryRequirements.memoryTypeBits,
                    VkMemoryPropertyFlags.DeviceLocal,
                    false,
                    memoryRequirements.size,
                    memoryRequirements.alignment,
                    prefersDedicatedAllocation,
                    _optimalImage,
                    Vulkan.VkBuffer.Null);
                _memoryBlock = memoryToken;
                result       = vkBindImageMemory(gd.Device, _optimalImage, _memoryBlock.DeviceMemory, _memoryBlock.Offset);
                CheckResult(result);

                _imageLayouts = new VkImageLayout[subresourceCount];
                for (int i = 0; i < _imageLayouts.Length; i++)
                {
                    _imageLayouts[i] = VkImageLayout.Preinitialized;
                }
            }
            else // isStaging
            {
                uint depthPitch = FormatHelpers.GetDepthPitch(
                    FormatHelpers.GetRowPitch(Width, Format),
                    Height,
                    Format);
                uint stagingSize = depthPitch * Depth;
                for (uint level = 1; level < MipLevels; level++)
                {
                    Util.GetMipDimensions(this, level, out uint mipWidth, out uint mipHeight, out uint mipDepth);

                    depthPitch = FormatHelpers.GetDepthPitch(
                        FormatHelpers.GetRowPitch(mipWidth, Format),
                        mipHeight,
                        Format);

                    stagingSize += depthPitch * mipDepth;
                }
                stagingSize *= ArrayLayers;

                VkBufferCreateInfo bufferCI = VkBufferCreateInfo.New();
                bufferCI.usage = VkBufferUsageFlags.TransferSrc | VkBufferUsageFlags.TransferDst;
                bufferCI.size  = stagingSize;
                VkResult result = vkCreateBuffer(_gd.Device, ref bufferCI, null, out _stagingBuffer);
                CheckResult(result);

                VkMemoryRequirements bufferMemReqs;
                bool prefersDedicatedAllocation;
                if (_gd.GetBufferMemoryRequirements2 != null)
                {
                    VkBufferMemoryRequirementsInfo2KHR memReqInfo2 = VkBufferMemoryRequirementsInfo2KHR.New();
                    memReqInfo2.buffer = _stagingBuffer;
                    VkMemoryRequirements2KHR         memReqs2      = VkMemoryRequirements2KHR.New();
                    VkMemoryDedicatedRequirementsKHR dedicatedReqs = VkMemoryDedicatedRequirementsKHR.New();
                    memReqs2.pNext = &dedicatedReqs;
                    _gd.GetBufferMemoryRequirements2(_gd.Device, &memReqInfo2, &memReqs2);
                    bufferMemReqs = memReqs2.memoryRequirements;
                    prefersDedicatedAllocation = dedicatedReqs.prefersDedicatedAllocation || dedicatedReqs.requiresDedicatedAllocation;
                }
                else
                {
                    vkGetBufferMemoryRequirements(gd.Device, _stagingBuffer, out bufferMemReqs);
                    prefersDedicatedAllocation = false;
                }

                _memoryBlock = _gd.MemoryManager.Allocate(
                    _gd.PhysicalDeviceMemProperties,
                    bufferMemReqs.memoryTypeBits,
                    VkMemoryPropertyFlags.HostVisible | VkMemoryPropertyFlags.HostCoherent,
                    true,
                    bufferMemReqs.size,
                    bufferMemReqs.alignment,
                    prefersDedicatedAllocation,
                    VkImage.Null,
                    _stagingBuffer);

                result = vkBindBufferMemory(_gd.Device, _stagingBuffer, _memoryBlock.DeviceMemory, _memoryBlock.Offset);
                CheckResult(result);
            }

            ClearIfRenderTarget();
            TransitionIfSampled();
            RefCount = new ResourceRefCount(RefCountedDispose);
        }