/// <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 retrieve the render target buffer associated with this view.
/// </summary>
/// <param name="view">The view to evaluate.</param>
/// <returns>The render target buffer associated with this view.</returns>
public static GorgonRenderTargetBuffer ToRenderTargetBuffer(GorgonRenderTargetBufferView view)
{
return(view == null ? null : (GorgonRenderTargetBuffer)view.Resource);
}
