/// <summary> /// Loads a texture from a stream. /// </summary> /// <param name="device">The <see cref="Direct3D11.Device"/>.</param> /// <param name="stream">The stream to load the texture from.</param> /// <param name="flags">Sets the texture flags (for unordered access...etc.)</param> /// <param name="usage">Usage of the resource. Default is <see cref="ResourceUsage.Immutable"/> </param> /// <returns>A texture</returns> public static Texture Load(Direct3D11.Device device, Stream stream, TextureFlags flags = TextureFlags.ShaderResource, ResourceUsage usage = ResourceUsage.Immutable) { stream.Position = 0; var image = Image.Load(stream); if (image == null) { stream.Position = 0; return(null); } try { switch (image.Description.Dimension) { case TextureDimension.Texture1D: return(Texture1D.New(device, image, flags, usage)); case TextureDimension.Texture2D: return(Texture2D.New(device, image, flags, usage)); case TextureDimension.Texture3D: return(Texture3D.New(device, image, flags, usage)); case TextureDimension.TextureCube: return(TextureCube.New(device, image, flags, usage)); } } finally { image.Dispose(); stream.Position = 0; } throw new InvalidOperationException("Dimension not supported"); }
/// <summary> /// Creates a new texture with the specified generic texture description. /// </summary> /// <param name="graphicsDevice">The graphics device.</param> /// <param name="description">The description.</param> /// <returns>A Texture instance, either a RenderTarget or DepthStencilBuffer or Texture, depending on Binding flags.</returns> public static Texture New(Direct3D11.Device graphicsDevice, TextureDescription description) { if (graphicsDevice == null) { throw new ArgumentNullException("graphicsDevice"); } if ((description.BindFlags & BindFlags.RenderTarget) != 0) { throw new NotSupportedException("RenderTarget is not supported."); } else if ((description.BindFlags & BindFlags.DepthStencil) != 0) { throw new NotSupportedException("DepthStencil is not supported."); } else { switch (description.Dimension) { case TextureDimension.Texture1D: return(Texture1D.New(graphicsDevice, description)); case TextureDimension.Texture2D: return(Texture2D.New(graphicsDevice, description)); case TextureDimension.Texture3D: return(Texture3D.New(graphicsDevice, description)); case TextureDimension.TextureCube: return(TextureCube.New(graphicsDevice, description)); } } return(null); }
/// <summary> /// Creates a new <see cref="Texture1D" /> with a single level of mipmap. /// </summary> /// <typeparam name="T">Type of the initial data to upload to the texture</typeparam> /// <param name="device">The <see cref="Direct3D11.Device"/>.</param> /// <param name="width">The width.</param> /// <param name="format">Describes the format to use.</param> /// <param name="usage">The usage.</param> /// <param name="textureData">Texture data. Size of must be equal to sizeof(Format) * width </param> /// <param name="flags">Sets the texture flags (for unordered access...etc.)</param> /// <returns>A new instance of <see cref="Texture1D" /> class.</returns> /// <msdn-id>ff476521</msdn-id> /// <unmanaged>HRESULT ID3D11Device::CreateTexture1D([In] const D3D11_Texture1D_DESC* pDesc,[In, Buffer, Optional] const D3D11_SUBRESOURCE_DATA* pInitialData,[Out, Fast] ID3D11Texture1D** ppTexture1D)</unmanaged> /// <unmanaged-short>ID3D11Device::CreateTexture1D</unmanaged-short> /// <remarks> /// The first dimension of mipMapTextures describes the number of array (Texture1D Array), second dimension is the mipmap, the third is the texture data for a particular mipmap. /// </remarks> public unsafe static Texture1D New <T>(Device device, int width, PixelFormat format, T[] textureData, TextureFlags flags = TextureFlags.ShaderResource, ResourceUsage usage = ResourceUsage.Immutable) where T : struct { Texture1D texture = null; Utilities.Pin(textureData, ptr => { texture = new Texture1D(device, NewDescription(width, format, flags, 1, 1, usage), GetDataBox(format, width, 1, 1, textureData, ptr)); }); return(texture); }