internal D3D12GraphicsBuffer(D3D12GraphicsDevice graphicsDevice, GraphicsBufferKind kind, ulong size, ulong stride)
: base(graphicsDevice, kind, size, stride)
{
_d3d12Resource = new ValueLazy <Pointer <ID3D12Resource> >(CreateD3D12Resource);
_ = _state.Transition(to: Initialized);
}
/// <inheritdoc />
public override D3D12GraphicsBuffer CreateBuffer(GraphicsBufferKind kind, GraphicsResourceCpuAccess cpuAccess, ulong size, ulong alignment = 0, GraphicsMemoryAllocationFlags allocationFlags = GraphicsMemoryAllocationFlags.None)
{
var index = GetBlockCollectionIndex(cpuAccess, 0);
var resourceDesc = D3D12_RESOURCE_DESC.Buffer(size, D3D12_RESOURCE_FLAG_NONE, alignment);
var resourceAllocationInfo = Device.D3D12Device->GetResourceAllocationInfo(visibleMask: 0, numResourceDescs: 1, &resourceDesc);
ref readonly var blockCollection = ref _blockCollections[index];
internal D3D12GraphicsBuffer(GraphicsBufferKind kind, D3D12GraphicsHeap graphicsHeap, ulong offset, ulong size, ulong stride)
: base(kind, graphicsHeap, offset, size, stride)
{
_d3d12Resource = new ValueLazy <Pointer <ID3D12Resource> >(CreateD3D12Resource);
_d3d12ResourceState = new ValueLazy <D3D12_RESOURCE_STATES>(GetD3D12ResourceState);
_ = _state.Transition(to: Initialized);
}
/// <summary>Initializes a new instance of the <see cref="GraphicsBuffer" /> class.</summary>
/// <param name="kind">The buffer kind.</param>
/// <param name="graphicsHeap">The graphics heap on which the buffer was created.</param>
/// <param name="offset">The offset, in bytes, of the buffer in relation to <paramref name="graphicsHeap" />.</param>
/// <param name="size">The size, in bytes, of the buffer.</param>
/// <param name="stride">The size, in bytes, of the elements contained by the buffer.</param>
/// <exception cref="ArgumentNullException"><paramref name="graphicsHeap" /> is <c>null</c>.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="kind" /> is <see cref="GraphicsBufferKind.Index" /> and <paramref name="stride" /> is not <c>2</c> or <c>4</c>.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="kind" /> is <see cref="GraphicsBufferKind.Staging" /> and <paramref name="graphicsHeap" /> is not <see cref="GraphicsHeapCpuAccess.Write" />.</exception>
protected GraphicsBuffer(GraphicsBufferKind kind, GraphicsHeap graphicsHeap, ulong offset, ulong size, ulong stride)
: base(graphicsHeap, offset, size)
{
switch (kind)
{
case GraphicsBufferKind.Index:
{
if ((stride != 2) && (stride != 4))
{
ThrowArgumentOutOfRangeException(nameof(stride), stride);
}
break;
}
case GraphicsBufferKind.Staging:
{
if (graphicsHeap.CpuAccess != GraphicsHeapCpuAccess.Write)
{
ThrowArgumentOutOfRangeException(nameof(graphicsHeap), graphicsHeap);
}
break;
}
}
_stride = stride;
_kind = kind;
}
public static uint GetVulkanBufferUsageKind(GraphicsBufferKind kind, GraphicsResourceCpuAccess cpuAccess)
{
var vulkanBufferUsageKind = kind switch {
GraphicsBufferKind.Vertex => VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
GraphicsBufferKind.Index => VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
GraphicsBufferKind.Constant => VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
_ => default,
internal VulkanGraphicsBuffer(VulkanGraphicsDevice graphicsDevice, GraphicsBufferKind kind, ulong size, ulong stride)
: base(graphicsDevice, kind, size, stride)
{
_vulkanBuffer = new ValueLazy <VkBuffer>(CreateVulkanBuffer);
_vulkanDeviceMemory = new ValueLazy <VkDeviceMemory>(CreateVulkanDeviceMemory);
_ = _state.Transition(to: Initialized);
}
/// <inheritdoc cref="CreateGraphicsBuffer(GraphicsBufferKind, ulong, ulong)" />
public D3D12GraphicsBuffer CreateD3D12GraphicsBuffer(GraphicsBufferKind kind, ulong size, ulong stride)
{
_state.ThrowIfDisposedOrDisposing();
var offset = _offset;
size = (size + D3D12_DEFAULT_RESOURCE_PLACEMENT_ALIGNMENT - 1) & ~(D3D12_DEFAULT_RESOURCE_PLACEMENT_ALIGNMENT - 1u);
_offset = offset + size;
return(new D3D12GraphicsBuffer(kind, this, offset, size, stride));
}
/// <summary>Initializes a new instance of the <see cref="GraphicsBuffer" /> class.</summary>
/// <param name="graphicsDevice">The graphics device for which the buffer was created.</param>
/// <param name="kind">The buffer kind.</param>
/// <param name="size">The size, in bytes, of the buffer.</param>
/// <param name="stride">The size, in bytes, of the buffer elements.</param>
/// <exception cref="ArgumentNullException"><paramref name="graphicsDevice" /> is <c>null</c>.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="kind" /> is <see cref="GraphicsBufferKind.Index" /> and <paramref name="stride" /> is not <c>2</c> or <c>4</c>.</exception>
protected GraphicsBuffer(GraphicsDevice graphicsDevice, GraphicsBufferKind kind, ulong size, ulong stride)
{
ThrowIfNull(graphicsDevice, nameof(graphicsDevice));
if ((kind == GraphicsBufferKind.Index) && (stride != 2) && (stride != 4))
{
ThrowArgumentOutOfRangeException(nameof(stride), stride);
}
_size = size;
_stride = stride;
_graphicsDevice = graphicsDevice;
_kind = kind;
}
/// <inheritdoc cref="CreateGraphicsBuffer(GraphicsBufferKind, ulong, ulong)" />
public VulkanGraphicsBuffer CreateVulkanGraphicsBuffer(GraphicsBufferKind kind, ulong size, ulong stride)
{
_state.ThrowIfDisposedOrDisposing();
var vulkanGraphicsAdapter = VulkanGraphicsDevice.VulkanGraphicsAdapter;
var nonCoherentAtomSize = 64 * 1024ul;
var offset = _offset;
size = (size + nonCoherentAtomSize - 1) & ~(nonCoherentAtomSize - 1);
_offset = offset + size;
return(new VulkanGraphicsBuffer(kind, this, offset, size, stride));
}
static uint GetVulkanBufferUsageKind(GraphicsHeapCpuAccess cpuAccess, GraphicsBufferKind kind)
{
var vulkanBufferUsageKind = cpuAccess switch {
GraphicsHeapCpuAccess.Read => VK_BUFFER_USAGE_TRANSFER_DST_BIT,
GraphicsHeapCpuAccess.Write => VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
_ => VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
};
if (cpuAccess != GraphicsHeapCpuAccess.Read)
{
vulkanBufferUsageKind |= kind switch {
GraphicsBufferKind.Vertex => VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
GraphicsBufferKind.Index => VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
GraphicsBufferKind.Constant => VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
_ => default,
/// <inheritdoc />
public override VulkanGraphicsBuffer CreateBuffer(GraphicsBufferKind kind, GraphicsResourceCpuAccess cpuAccess, ulong size, ulong alignment = 0, GraphicsMemoryAllocationFlags allocationFlags = GraphicsMemoryAllocationFlags.None)
{
var vulkanDevice = Device.VulkanDevice;
var bufferCreateInfo = new VkBufferCreateInfo {
sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
size = size,
usage = GetVulkanBufferUsageKind(kind, cpuAccess)
};
VkBuffer vulkanBuffer;
ThrowExternalExceptionIfNotSuccess(nameof(vkCreateBuffer), vkCreateBuffer(vulkanDevice, &bufferCreateInfo, pAllocator: null, (ulong *)&vulkanBuffer));
VkMemoryRequirements memoryRequirements;
vkGetBufferMemoryRequirements(vulkanDevice, vulkanBuffer, &memoryRequirements);
var index = GetBlockCollectionIndex(cpuAccess, memoryRequirements.memoryTypeBits);
ref readonly var blockCollection = ref _blockCollections[index];
internal VulkanGraphicsBuffer(GraphicsBufferKind kind, VulkanGraphicsHeap graphicsHeap, ulong offset, ulong size, ulong stride)
: base(kind, graphicsHeap, offset, size, stride)
{
_vulkanBuffer = new ValueLazy <VkBuffer>(CreateVulkanBuffer);
_ = _state.Transition(to: Initialized);
}
/// <summary>Initializes a new instance of the <see cref="GraphicsBuffer" /> class.</summary> /// <param name="kind">The buffer kind.</param> /// <param name="cpuAccess">The CPU access capabilities of the resource.</param> /// <param name="memoryBlockRegion">The memory block region in which the resource exists.</param> /// <inheritdoc cref="GraphicsResource(GraphicsResourceCpuAccess, in GraphicsMemoryBlockRegion)" /> protected GraphicsBuffer(GraphicsBufferKind kind, GraphicsResourceCpuAccess cpuAccess, in GraphicsMemoryBlockRegion memoryBlockRegion)
private protected VulkanGraphicsBuffer(VulkanGraphicsDevice device, GraphicsBufferKind kind, in GraphicsMemoryRegion <GraphicsMemoryBlock> blockRegion, GraphicsResourceCpuAccess cpuAccess, VkBuffer vulkanBuffer)
/// <inheritdoc /> public override GraphicsBuffer CreateGraphicsBuffer(GraphicsBufferKind kind, ulong size, ulong stride) => CreateD3D12GraphicsBuffer(kind, size, stride);
/// <summary>Initializes a new instance of the <see cref="GraphicsBuffer" /> class.</summary>
/// <param name="device">The device for which the buffer was created.</param>
/// <param name="kind">The buffer kind.</param>
/// <param name="blockRegion">The memory block region in which the resource exists.</param>
/// <param name="cpuAccess">The CPU access capabilities of the resource.</param>
/// <exception cref="ArgumentNullException"><paramref name="device" /> is <c>null</c></exception>
/// <exception cref="ArgumentNullException"><paramref name="blockRegion" />.<see cref="GraphicsMemoryRegion{TCollection}.Collection"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="blockRegion" /> was not created for <paramref name="device" />.</exception>
protected GraphicsBuffer(GraphicsDevice device, GraphicsBufferKind kind, in GraphicsMemoryRegion <GraphicsMemoryBlock> blockRegion, GraphicsResourceCpuAccess cpuAccess)
#pragma warning restore IDE0044
internal D3D12GraphicsBuffer(D3D12GraphicsDevice device, GraphicsBufferKind kind, in GraphicsMemoryRegion <GraphicsMemoryBlock> blockRegion, GraphicsResourceCpuAccess cpuAccess)
/// <summary>Creates a new graphics buffer for the device.</summary> /// <param name="kind">The kind of graphics buffer to create.</param> /// <param name="size">The size, in bytes, of the graphics buffer.</param> /// <param name="stride">The size, in bytes, of the graphics buffer elements.</param> /// <returns>A new graphics buffer created for the device.</returns> /// <exception cref="ArgumentOutOfRangeException"><paramref name="kind" /> is unsupported.</exception> /// <exception cref="ObjectDisposedException">The device has been disposed.</exception> public abstract GraphicsBuffer CreateGraphicsBuffer(GraphicsBufferKind kind, ulong size, ulong stride);
internal D3D12GraphicsBuffer(GraphicsBufferKind kind, GraphicsResourceCpuAccess cpuAccess, in GraphicsMemoryBlockRegion memoryBlockRegion)
internal VulkanGraphicsBuffer(GraphicsBufferKind kind, GraphicsResourceCpuAccess cpuAccess, in GraphicsMemoryBlockRegion memoryBlockRegion, VkBuffer vulkanBuffer)