/// <summary>
/// Initializes a new instance of the <see cref="GorgonDepthStencilView"/> class.
/// </summary>
/// <param name="resource">The resource to bind to the view.</param>
/// <param name="format">The format of the view.</param>
/// <param name="mipSlice">The mip level to use for the view.</param>
/// <param name="firstArrayIndex">The first array index to use for the view.</param>
/// <param name="arrayCount">The number of array indices to use for the view.</param>
/// <param name="flags">Depth/stencil view flags.</param>
internal GorgonDepthStencilView(GorgonResource resource, BufferFormat format, int mipSlice, int firstArrayIndex, int arrayCount, DepthStencilViewFlags flags)
: base(resource, format)
{
MipSlice = mipSlice;
FirstArrayIndex = firstArrayIndex;
ArrayCount = arrayCount;
Flags = flags;
switch (resource.ResourceType)
{
case ResourceType.Texture1D:
_depth1D = (GorgonDepthStencil1D)resource;
break;
case ResourceType.Texture2D:
_depth2D = (GorgonDepthStencil2D)resource;
break;
}
}
/// <summary>
/// Function to clean up any internal resources.
/// </summary>
protected override void CleanUpResource()
{
Gorgon.Log.Print("Destroying GorgonRenderTarget '{0}'...", LoggingLevel.Intermediate, Name);
GorgonRenderStatistics.RenderTargetCount--;
GorgonRenderStatistics.RenderTargetSize -= SizeInBytes * (_swapChain == null ? 1 : _swapChain.Settings.BufferCount);
if (DepthStencilBuffer != null)
{
// If the swap chain is resized, we don't want to destroy these objects.
if (_swapChain == null)
{
Gorgon.Log.Print("GorgonRenderTarget '{0}': Releasing internal depth stencil...",
LoggingLevel.Verbose,
Name);
DepthStencilBuffer.Dispose();
DepthStencilBuffer = null;
}
}
base.CleanUpResource();
}
/// <summary>
/// Function to create the depth/stencil buffer for the target.
/// </summary>
private void CreateDepthStencilBuffer()
{
// Create the internal depth/stencil.
if (Settings.DepthStencilFormat == BufferFormat.Unknown)
{
return;
}
Gorgon.Log.Print("GorgonRenderTarget '{0}': Creating internal depth/stencil...", LoggingLevel.Verbose, Name);
if (DepthStencilBuffer == null)
{
DepthStencilBuffer = new GorgonDepthStencil2D(Graphics,
Name + "_Internal_DepthStencil_" + Guid.NewGuid(),
new GorgonDepthStencil2DSettings
{
Format = Settings.DepthStencilFormat,
Width = Settings.Width,
Height = Settings.Height,
Multisampling = Settings.Multisampling,
ArrayCount = Settings.ArrayCount,
MipCount = Settings.MipCount
});
}
else
{
DepthStencilBuffer.Settings.Format = Settings.DepthStencilFormat;
DepthStencilBuffer.Settings.Width = Settings.Width;
DepthStencilBuffer.Settings.Height = Settings.Height;
DepthStencilBuffer.Settings.Multisampling = Settings.Multisampling;
}
#if DEBUG
Graphics.Output.ValidateDepthStencilSettings(DepthStencilBuffer.Settings);
#endif
DepthStencilBuffer.Initialize(null);
DepthStencilBuffer.RenderTarget = this;
}
/// <summary>
/// Function to retrieve the depth stencil view for a depth stencil .
/// </summary>
/// <param name="target">Render target to evaluate.</param>
/// <returns>The depth stencil view for the swap chain.</returns>
public static GorgonDepthStencilView ToDepthStencilView(GorgonDepthStencil2D target)
{
return(target == null ? null : target._defaultView);
}