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    Class DX12GraphicsContext

    Manages all graphical functionalities.

    Inheritance
    object
    GraphicsContext
    DX12GraphicsContext
    Implements
    IGetNativePointers
    Inherited Members
    GraphicsContext.TimestampFrequency
    GraphicsContext.DefaultSampler
    GraphicsContext.ValidationLayer
    GraphicsContext.IsValidationLayerEnabled
    GraphicsContext.Factory
    GraphicsContext.AvailablePointerKeys
    GraphicsContext.DefaultTextureUploaderSize
    GraphicsContext.DefaultBufferUploaderSize
    GraphicsContext.CreateDevice(ValidationLayer)
    GraphicsContext.UpdateBufferData<T>(Buffer, T[], uint)
    GraphicsContext.UpdateBufferData<T>(Buffer, T[], uint, uint)
    GraphicsContext.UpdateBufferData<T>(Buffer, ref T, uint)
    GraphicsContext.UpdateBufferData(Buffer, nint, uint, uint)
    GraphicsContext.UpdateTextureData<T>(Texture, T[], uint)
    GraphicsContext.UpdateTextureData<T>(Texture, T[], uint, uint)
    GraphicsContext.UpdateTextureData<T>(Texture, ref T, uint)
    GraphicsContext.ShaderCompile(string, string, ShaderStages)
    GraphicsContext.GetNativePointer(string, out nint)
    GraphicsContext.Dispose()
    GraphicsContext.CreateDefaultSampler()
    Namespace: Evergine.DirectX12
    Assembly: Evergine.DirectX12.dll
    Syntax
    public class DX12GraphicsContext : GraphicsContext, IGetNativePointers

    Constructors

    DX12GraphicsContext()

    Initializes a new instance of the DX12GraphicsContext class.

    Declaration
    public DX12GraphicsContext()

    Fields

    DXDevice

    The DirectX device.

    Declaration
    public ID3D12Device DXDevice
    Field Value
    Type Description
    ID3D12Device

    DXFactory

    The DXGI factory instance.

    Declaration
    public IDXGIFactory4 DXFactory
    Field Value
    Type Description
    IDXGIFactory4

    DefaultShader4ComponentMapping

    Native DX constant used to set 4 components.

    Declaration
    public static readonly int DefaultShader4ComponentMapping
    Field Value
    Type Description
    int

    GPU_RESOURCE_HEAP_CBV_COUNT

    The default heap size for constant buffer views.

    Declaration
    public static readonly int GPU_RESOURCE_HEAP_CBV_COUNT
    Field Value
    Type Description
    int

    GPU_RESOURCE_HEAP_SRV_COUNT

    The default heap size for shader resource views.

    Declaration
    public static readonly int GPU_RESOURCE_HEAP_SRV_COUNT
    Field Value
    Type Description
    int

    GPU_RESOURCE_HEAP_UAV_COUNT

    The default heap size for unordered access views.

    Declaration
    public static readonly int GPU_RESOURCE_HEAP_UAV_COUNT
    Field Value
    Type Description
    int

    GPU_SAMPLER_HEAP_COUNT

    The default heap size for samplers.

    Declaration
    public static readonly int GPU_SAMPLER_HEAP_COUNT
    Field Value
    Type Description
    int

    Properties

    BackendType

    Gets the backend type (DirectX, OpenGL, etc.)

    Declaration
    public override GraphicsBackend BackendType { get; }
    Property Value
    Type Description
    GraphicsBackend
    Overrides
    GraphicsContext.BackendType

    Capabilities

    Gets the capabilities of this graphics context.

    Declaration
    public override GraphicsContextCapabilities Capabilities { get; }
    Property Value
    Type Description
    GraphicsContextCapabilities
    Overrides
    GraphicsContext.Capabilities

    NativeDevicePointer

    Gets the native device pointer.

    Declaration
    public override nint NativeDevicePointer { get; }
    Property Value
    Type Description
    nint
    Overrides
    GraphicsContext.NativeDevicePointer

    Methods

    CreateDeviceInternal()

    Initializes the graphics context to be used in a compute shader.

    Declaration
    public override void CreateDeviceInternal()
    Overrides
    GraphicsContext.CreateDeviceInternal()

    CreateSwapChain(SwapChainDescription)

    Initializes the swap chain.

    Declaration
    public override SwapChain CreateSwapChain(SwapChainDescription description)
    Parameters
    Type Name Description
    SwapChainDescription description

    The swap chain descriptor.

    Returns
    Type Description
    SwapChain

    Created Swap chain.

    Overrides
    GraphicsContext.CreateSwapChain(SwapChainDescription)

    Dispose(bool)

    Releases unmanaged and optionally managed resources.

    Declaration
    protected override void Dispose(bool disposing)
    Parameters
    Type Name Description
    bool disposing

    true to release both managed and unmanaged resources; false to release only unmanaged resources.

    Overrides
    GraphicsContext.Dispose(bool)

    GenerateTextureMipmapping(Texture)

    Generates mipmapping texture levels.

    Declaration
    public override bool GenerateTextureMipmapping(Texture texture)
    Parameters
    Type Name Description
    Texture texture

    The texture for which mipmapping is generated.

    Returns
    Type Description
    bool

    True if the mipmapping has been generated.

    Overrides
    GraphicsContext.GenerateTextureMipmapping(Texture)

    InternalUpdateBufferData(Buffer, nint, uint, uint)

    Fills the buffer from a pointer.

    Declaration
    protected override void InternalUpdateBufferData(Buffer buffer, nint source, uint sourceSizeInBytes, uint destinationOffsetInBytes = 0)
    Parameters
    Type Name Description
    Buffer buffer

    Buffer instance.

    nint source

    The data pointer.

    uint sourceSizeInBytes

    The size in bytes.

    uint destinationOffsetInBytes

    The offset in bytes.

    Overrides
    GraphicsContext.InternalUpdateBufferData(Buffer, nint, uint, uint)

    MapMemory(GraphicsResource, MapMode, uint)

    Maps a Buffer or Texture to a CPU-accessible data region.

    Declaration
    public override MappedResource MapMemory(GraphicsResource resource, MapMode mode, uint subResource = 0)
    Parameters
    Type Name Description
    GraphicsResource resource

    The graphics resource to map.

    MapMode mode

    The MapMode used to map the resource.

    uint subResource

    The subresource to map. Subresources are indexed first by mip slice and then by array layer. Applies only to Textures.

    Returns
    Type Description
    MappedResource

    A MappedResource structure describing the mapped data region.

    Overrides
    GraphicsContext.MapMemory(GraphicsResource, MapMode, uint)

    ShaderCompile(string, string, ShaderStages, CompilerParameters)

    Converts the shader source into bytecode.

    Declaration
    public override CompilationResult ShaderCompile(string shaderSource, string entryPoint, ShaderStages stage, CompilerParameters parameters)
    Parameters
    Type Name Description
    string shaderSource

    The shader source text.

    string entryPoint

    The entry point function name.

    ShaderStages stage

    The shader stage, ShaderStages.

    CompilerParameters parameters

    The compiler parameters.

    Returns
    Type Description
    CompilationResult

    The shader bytecode.

    Overrides
    GraphicsContext.ShaderCompile(string, string, ShaderStages, CompilerParameters)

    SyncUpcopyQueue()

    Syncs the current buffer data in the copyQueue. Internal function used in the UploadBuffer strategy.

    Declaration
    public override void SyncUpcopyQueue()
    Overrides
    GraphicsContext.SyncUpcopyQueue()

    UnmapMemory(GraphicsResource, uint)

    Invalidates a previously-mapped data region for the given Buffer or Texture.

    Declaration
    public override void UnmapMemory(GraphicsResource resource, uint subResource = 0)
    Parameters
    Type Name Description
    GraphicsResource resource

    The graphics resource to unmap.

    uint subResource

    The subresource to unmap. Subresources are indexed first by mip slice and then by array layer. Only for Textures.

    Overrides
    GraphicsContext.UnmapMemory(GraphicsResource, uint)

    UpdateTextureData(Texture, nint, uint, uint)

    Fills the buffer from a pointer.

    Declaration
    public override void UpdateTextureData(Texture texture, nint source, uint sourceSizeInBytes, uint subResource = 0)
    Parameters
    Type Name Description
    Texture texture

    Texture instance.

    nint source

    The data pointer.

    uint sourceSizeInBytes

    The size in bytes.

    uint subResource

    The sub-resource index.

    Overrides
    GraphicsContext.UpdateTextureData(Texture, nint, uint, uint)

    Implements

    IGetNativePointers

    Extension Methods

    ReflectionHelper.GetMemberAssembly(object)
    ReflectionHelper.GetTypeName(object)
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