/// <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)
{
var shaderBind = Settings.AllowShaderView ? BindFlags.ShaderResource : BindFlags.None;
var desc = new Texture2DDescription
{
ArraySize = Settings.ArrayCount,
BindFlags = GetBindFlags(true, false) | shaderBind,
CpuAccessFlags = CpuAccessFlags.None,
Format = Settings.AllowShaderView ? (Format)Settings.TextureFormat : (Format)Settings.Format,
Height = Settings.Height,
Width = Settings.Width,
MipLevels = Settings.MipCount,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = GorgonMultisampling.Convert(Settings.Multisampling)
};
Gorgon.Log.Print("{0} {1}: Creating 2D depth/stencil texture...", LoggingLevel.Verbose, GetType().Name, Name);
// Create the texture.
D3DResource = initialData != null
? new Texture2D(Graphics.D3DDevice, desc, initialData.Buffers.DataBoxes)
: new Texture2D(Graphics.D3DDevice, desc);
GorgonRenderStatistics.DepthBufferCount++;
GorgonRenderStatistics.DepthBufferSize += SizeInBytes;
InitializeResourceViews();
_defaultView = GetDepthStencilView(Settings.Format, 0, 0, 1, Settings.DefaultDepthStencilViewFlags);
}
/// <summary>
/// Function to retrieve the 2D depth/stencil buffer associated with this view.
/// </summary>
/// <param name="view">The view to evaluate.</param>
/// <returns>The 2D depth/stencil buffer associated with this view.</returns>
public static GorgonDepthStencil2D ToDepthStencil2D(GorgonDepthStencilView view)
{
if (view._depth2D == null)
{
throw new InvalidCastException(string.Format(Resources.GORGFX_VIEW_RESOURCE_NOT_DEPTHSTENCIL, "2D"));
}
return(view._depth2D);
}
/// <summary>
/// Function to create/retrieve a depth/stencil view in the cache.
/// </summary>
/// <param name="format">Format of the depth/stencil view.</param>
/// <param name="mipSlice">Mip slice.</param>
/// <param name="arrayIndex">Array index.</param>
/// <param name="arrayCount">Array count.</param>
/// <param name="flags">Flags for the depth/stencil view.</param>
/// <returns>The cached depth/stencil view.</returns>
public GorgonDepthStencilView GetDepthStencilView(BufferFormat format,
int mipSlice,
int arrayIndex,
int arrayCount,
DepthStencilViewFlags flags)
{
var key = new ViewKey(format, mipSlice, arrayIndex, arrayCount, (int)flags);
lock (_syncLock)
{
GorgonDepthStencilView result;
if (_depthViews.TryGetValue(key, out result))
{
return(result);
}
switch (_resource.ResourceType)
{
case ResourceType.Texture1D:
case ResourceType.Texture2D:
result = new GorgonDepthStencilView(_resource, format, mipSlice, arrayIndex, arrayCount, flags);
break;
}
// This should never happen.
if (result == null)
{
throw new GorgonException(GorgonResult.CannotCreate,
string.Format(Resources.GORGFX_IMAGE_TYPE_INVALID, _resource.ResourceType));
}
result.Initialize();
_depthViews.Add(key, result);
return(result);
}
}