/// <summary>
/// Function to set a single viewport.
/// </summary>
/// <param name="viewPort">Viewport to set.</param>
/// <remarks>Viewports must have a width and height greater than 0.</remarks>
public void SetViewport(GorgonViewport viewPort)
{
if ((_viewPorts == null) || (_viewPorts.Length != 1))
{
_viewPorts = new[]
{
viewPort
};
_dxViewports = new[]
{
viewPort.Convert()
};
}
else
{
if (GorgonViewport.Equals(ref _viewPorts[0], ref viewPort))
{
return;
}
_viewPorts[0] = viewPort;
_dxViewports[0] = viewPort.Convert();
}
Graphics.Context.Rasterizer.SetViewport(viewPort.Left, viewPort.Top, viewPort.Width, viewPort.Height, viewPort.MinimumZ, viewPort.MaximumZ);
}
/// <summary>
/// Function to initialize the texture from a swap chain.
/// </summary>
/// <param name="swapChain">The swap chain used to initialize the texture.</param>
internal void InitializeSwapChain(GorgonSwapChain swapChain)
{
if (D3DResource != null)
{
CleanUpResource();
}
D3DResource = D3D.Resource.FromSwapChain <D3D.Texture2D>(swapChain.GISwapChain, 0);
D3D.Texture2DDescription desc = ((D3D.Texture2D)D3DResource).Description;
Settings.Width = desc.Width;
Settings.Height = desc.Height;
Settings.ArrayCount = desc.ArraySize;
Settings.Format = (BufferFormat)desc.Format;
Settings.MipCount = desc.MipLevels;
Settings.ShaderViewFormat = (swapChain.Settings.Flags & SwapChainUsageFlags.AllowShaderView) ==
SwapChainUsageFlags.AllowShaderView
? swapChain.Settings.Format
: BufferFormat.Unknown;
Settings.AllowUnorderedAccessViews = (desc.BindFlags & D3D.BindFlags.UnorderedAccess) == D3D.BindFlags.UnorderedAccess;
Settings.Multisampling = new GorgonMultisampling(desc.SampleDescription.Count, desc.SampleDescription.Quality);
Settings.IsTextureCube = (desc.OptionFlags & D3D.ResourceOptionFlags.TextureCube) ==
D3D.ResourceOptionFlags.TextureCube;
Settings.DepthStencilFormat = swapChain.Settings.DepthStencilFormat;
Settings.TextureFormat = swapChain.Settings.Format;
_swapChain = swapChain;
#if DEBUG
Graphics.Output.ValidateRenderTargetSettings(Settings);
#endif
GorgonRenderStatistics.TextureCount++;
GorgonRenderStatistics.TextureSize += SizeInBytes;
GorgonRenderStatistics.RenderTargetCount++;
GorgonRenderStatistics.RenderTargetSize += SizeInBytes * swapChain.Settings.BufferCount;
// Set default viewport.
Viewport = new GorgonViewport(0, 0, Settings.Width, Settings.Height, 0.0f, 1.0f);
// Re-initialize any released resource views.
InitializeResourceViews();
CreateDepthStencilBuffer();
if (DepthStencilBuffer != null)
{
DepthStencilBuffer.SwapChain = swapChain;
}
// Create the default render target view.
_defaultRenderTargetView = GetRenderTargetView(Settings.Format, 0, 0, 1);
if ((swapChain.Settings.Flags & SwapChainUsageFlags.AllowShaderView) == SwapChainUsageFlags.AllowShaderView)
{
CreateDefaultResourceView();
}
}
/// <summary>
/// Function to return all the viewports.
/// </summary>
/// <returns>An array containing all the viewports.</returns>
/// <remarks>This will return an array with all of the viewports bound to the pipeline.</remarks>
public GorgonViewport[] GetViewports()
{
var result = new GorgonViewport[_viewPorts == null ? 0 : _viewPorts.Length];
if ((_viewPorts != null) && (_viewPorts.Length > 0))
{
_viewPorts.CopyTo(result, 0);
}
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.Texture2DDescription
{
ArraySize = Settings.ArrayCount,
Format = (GI.Format)Settings.TextureFormat,
Width = Settings.Width,
Height = Settings.Height,
MipLevels = Settings.MipCount,
BindFlags = GetBindFlags(false, true),
Usage = D3D.ResourceUsage.Default,
CpuAccessFlags = D3D.CpuAccessFlags.None,
OptionFlags = D3D.ResourceOptionFlags.None,
SampleDescription = GorgonMultisampling.Convert(Settings.Multisampling)
};
Gorgon.Log.Print("{0} {1}: Creating 2D render target texture...", LoggingLevel.Verbose, GetType().Name, Name);
// Create the texture.
D3DResource = initialData != null
? new D3D.Texture2D(Graphics.D3DDevice, desc, initialData.Buffers.DataBoxes)
: new D3D.Texture2D(Graphics.D3DDevice, desc);
// Create the default render target view.
_defaultRenderTargetView = GetRenderTargetView(Settings.Format, 0, 0, 1);
GorgonRenderStatistics.RenderTargetCount++;
GorgonRenderStatistics.RenderTargetSize += SizeInBytes;
CreateDepthStencilBuffer();
// Set default viewport.
Viewport = new GorgonViewport(0, 0, Settings.Width, Settings.Height, 0.0f, 1.0f);
}