/// <summary>
/// Function to retrieve a render target view.
/// </summary>
/// <param name="format">Format of the view.</param>
/// <param name="mipSlice">Mip level to use in the view.</param>
/// <param name="arrayDepthIndex">First array index to use in the view.</param>
/// <param name="arrayDepthCount">Number of array indices to use in the view.</param>
/// <returns>The cached render target view.</returns>
public GorgonRenderTargetView GetRenderTargetView(BufferFormat format,
int mipSlice,
int arrayDepthIndex,
int arrayDepthCount)
{
var key = new ViewKey(format, mipSlice, arrayDepthIndex, arrayDepthCount, 0);
lock (_syncLock)
{
GorgonRenderTargetView result;
if (_targetViews.TryGetValue(key, out result))
{
return(result);
}
switch (_resource.ResourceType)
{
case ResourceType.Buffer:
result = new GorgonRenderTargetBufferView(_resource, format, mipSlice, arrayDepthIndex);
break;
case ResourceType.Texture1D:
case ResourceType.Texture2D:
case ResourceType.Texture3D:
result = new GorgonRenderTargetTextureView(_resource, format, mipSlice, arrayDepthIndex, arrayDepthCount);
break;
}
// This should never happen.
if (result == null)
{
throw new GorgonException(GorgonResult.CannotCreate,
string.Format(Resources.GORGFX_IMAGE_TYPE_INVALID, _resource.ResourceType));
}
result.Initialize();
_targetViews.Add(key, result);
return(result);
}
}
/// <summary>
/// Function to initialize the texture with optional initial data.
/// </summary>
/// <param name="initialData">Data used to populate the image.</param>
protected override void OnInitialize(GorgonImageData initialData)
{
if ((Settings.Format != BufferFormat.Unknown) && (Settings.TextureFormat == BufferFormat.Unknown))
{
Settings.TextureFormat = Settings.Format;
}
var desc = new D3D.Texture3DDescription
{
Format = (Format)Settings.TextureFormat,
Width = Settings.Width,
Height = Settings.Height,
Depth = Settings.Depth,
MipLevels = Settings.MipCount,
BindFlags = GetBindFlags(false, true),
Usage = D3D.ResourceUsage.Default,
CpuAccessFlags = D3D.CpuAccessFlags.None,
OptionFlags = D3D.ResourceOptionFlags.None
};
Gorgon.Log.Print("{0} {1}: Creating 2D render target texture...", LoggingLevel.Verbose, GetType().Name, Name);
// Create the texture.
D3DResource = initialData != null
? new D3D.Texture3D(Graphics.D3DDevice, desc, initialData.Buffers.DataBoxes)
: new D3D.Texture3D(Graphics.D3DDevice, desc);
// Create the default render target view.
_defaultRenderTargetView = GetRenderTargetView(Settings.Format, 0, 0, 1);
GorgonRenderStatistics.RenderTargetCount++;
GorgonRenderStatistics.RenderTargetSize += SizeInBytes;
// Set default viewport.
Viewport = new GorgonViewport(0, 0, Settings.Width, 1.0f, 0.0f, 1.0f);
}
/// <summary>
/// Function to retrieve the 3D render target associated with this view.
/// </summary>
/// <param name="view">The view to evaluate.</param>
/// <returns>The 3D render target associated with this view.</returns>
public static GorgonRenderTarget3D ToRenderTarget3D(GorgonRenderTargetTextureView view)
{
return(view == null ? null : (GorgonRenderTarget3D)view.Resource);
}
