/// <summary>
/// Function to create and initialize the various state objects.
/// </summary>
private void CreateStates()
{
// Create interfaces.
Rasterizer = new GorgonRasterizerRenderState(this);
Input = new GorgonInputGeometry(this);
Shaders = new GorgonShaderBinding(this);
Output = new GorgonOutputMerger(this);
Textures = new GorgonTextures(this);
Fonts = new GorgonFonts(this);
Buffers = new GorgonBuffers(this);
ClearState();
}
/// <summary>
/// Function to create a new 2D renderer interface.
/// </summary>
/// <param name="graphics">Graphics interface used to create the 2D interface.</param>
/// <param name="window">Window to use for rendering.</param>
/// <returns>A new 2D graphics interface.</returns>
/// <remarks>This method creates an internal swap chain and uses that for the display. To have more control over the initial render target, use the <see cref="Create2DRenderer(GorgonLibrary.Graphics.GorgonOutputMerger,GorgonLibrary.Graphics.GorgonRenderTargetView,int)">Create2DRenderer(GorgonRenderTarget)</see> extension overload.</remarks>
/// <exception cref="System.ArgumentException">Thrown when the target was not created by the same graphics interface as the one creating the 2D interface.
/// <para>Thrown when the <paramref name="window"/> parameter is NULL (Nothing in VB.Net), and the <see cref="P:GorgonLibrary.Gorgon.ApplicationForm">Gorgon application window</see> is NULL.</para>
/// </exception>
/// <exception cref="GorgonLibrary.GorgonException">Thrown when the video output could not be determined from the window.
/// <para>-or-</para>
/// <para>Thrown when the swap chain is going to full screen mode and another swap chain is already on the video output.</para>
/// </exception>
public static Gorgon2D Create2DRenderer(this GorgonOutputMerger graphics, Control window)
{
if (window != null)
{
return(Create2DRenderer(graphics, window, window.ClientSize.Width, window.ClientSize.Height));
}
window = Gorgon.ApplicationForm;
if (window == null)
{
throw new ArgumentNullException("window");
}
return(Create2DRenderer(graphics, window, window.ClientSize.Width, window.ClientSize.Height));
}
/// <summary>
/// Function to create a new 2D renderer interface.
/// </summary>
/// <param name="graphics">Graphics interface used to create the 2D interface.</param>
/// <param name="window">Window to use for rendering.</param>
/// <param name="width">Width of the video mode used for rendering.</param>
/// <param name="height">Height of the video mode used for rendering.</param>
/// <param name="format">[Optional] Format of the video mode used for rendering.</param>
/// <param name="isWindowed">[Optional] TRUE to use windowed mode, FALSE to to use full screen mode.</param>
/// <param name="depthStencilFormat">[Optional] Depth/stencil buffer format.</param>
/// <param name="vertexCacheSize">[Optional] The number of vertices that the renderer will cache when drawing.</param>
/// <returns>A new 2D graphics interface.</returns>
/// <remarks>This method creates an internal swap chain and uses that for the display. To have more control over the initial render target, use the <see cref="Create2DRenderer(GorgonLibrary.Graphics.GorgonOutputMerger,GorgonLibrary.Graphics.GorgonRenderTargetView,int)">Create2DRenderer(GorgonRenderTarget)</see> extension overload.
/// <para>The depth/stencil buffer is optional, and will only be used when <paramref name="depthStencilFormat"/> is not set to Unknown.</para>
/// <para>The <paramref name="vertexCacheSize"/> allows for adjustment to the size of the cache that stores vertices when rendering. More vertices means a larger buffer and more memory used, but may
/// provide a performance increase by rendering many objects at the same time. Lower values means a smaller buffer and possibly reduced performance because not as many objects can be drawn
/// at a given time. Any performance increase from this value depends upon multiple factors such as available RAM, video driver, video card, etc...</para>
/// </remarks>
/// <exception cref="System.ArgumentException">Thrown when the target was not created by the same graphics interface as the one creating the 2D interface.
/// <para>Thrown when the <paramref name="window"/> parameter is NULL (Nothing in VB.Net), and the <see cref="P:GorgonLibrary.Gorgon.ApplicationForm">Gorgon application window</see> is NULL.</para>
/// <para>-or-</para>
/// <para>Thrown when the <paramref name="format"/> parameter cannot be used by the video device for displaying data or for the depth/stencil buffer.</para>
/// </exception>
/// <exception cref="GorgonLibrary.GorgonException">Thrown when the video output could not be determined from the window.
/// <para>-or-</para>
/// <para>Thrown when the swap chain is going to full screen mode and another swap chain is already on the video output.</para>
/// </exception>
public static Gorgon2D Create2DRenderer(this GorgonOutputMerger graphics, Control window, int width, int height, BufferFormat format = BufferFormat.Unknown, bool isWindowed = true, BufferFormat depthStencilFormat = BufferFormat.Unknown, int vertexCacheSize = 32768)
{
GorgonSwapChain swapChain = graphics.CreateSwapChain("Gorgon2D.DefaultSwapChain", new GorgonSwapChainSettings
{
BufferCount = 2,
DepthStencilFormat = depthStencilFormat,
Flags = SwapChainUsageFlags.RenderTarget,
Format = format,
Height = height,
IsWindowed = isWindowed,
Multisampling = new GorgonMultisampling(1, 0),
SwapEffect = SwapEffect.Discard,
Width = width,
Window = window
});
return(Create2DRenderer(swapChain, true, vertexCacheSize));
}
/// <summary>
/// Function to create a new 2D renderer interface.
/// </summary>
/// <param name="graphics">Graphics interface used to create the 2D interface.</param>
/// <param name="target">Default target for the renderer.</param>
/// <param name="vertexCacheSize">[Optional] The number of vertices that the renderer will cache when drawing.</param>
/// <returns>A new 2D graphics interface.</returns>
/// <remarks>This will create a 2D rendering interface with a previously existing render target as its default target.
/// <para>The <paramref name="vertexCacheSize"/> allows for adjustment to the size of the cache that stores vertices when rendering. More vertices means a larger buffer and more memory used, but may
/// provide a performance increase by rendering many objects at the same time. Lower values means a smaller buffer and possibly reduced performance because not as many objects can be drawn
/// at a given time. Any performance increase from this value depends upon multiple factors such as available RAM, video driver, video card, etc...</para>
/// </remarks>
/// <exception cref="System.ArgumentNullException">Thrown when the <paramref name="target"/> parameter is NULL (Nothing in VB.Net).</exception>
public static Gorgon2D Create2DRenderer(this GorgonOutputMerger graphics, GorgonRenderTargetView target, int vertexCacheSize = 32768)
{
return(Create2DRenderer(target, false, vertexCacheSize));
}
