/// <summary>
/// Simple initializa
/// </summary>
public GraphicsDevice InitializeDevice()
{
GraphicsService init = Service;
// Create device.
RenderTargetParameters p = new RenderTargetParameters();
p.BackBufferWidth = 1024;
p.BackBufferHeight = 768;
p.MultiSampleType = 1;
p.MultiSampleQuality = 0;
p.Format = PixelFormat.Parse("R.UN8 G.UN8 B.UN8 A.UN8");
p.Windowed = true;
return(init.CreateDevice(false, false, p, out window));
}
/// <summary>
/// Creates the device.
/// </summary>
/// <param name="shared">Is the device shared (can call obtain device from other processes).</param>
/// <param name="parameters">The parameters that define swap chain.</param>
/// <param name="window">Window created with device (and swap chain).</param>
/// <returns>Device object.</returns>
public GraphicsDevice CreateDevice(bool shared, bool debug, RenderTargetParameters parameters, out Window window)
{
Driver.ISwapChain dr_chain;
Driver.IWindowBackend dr_window;
Driver.IDevice dr_device = service.Create(shared, parameters, out dr_chain, out dr_window, debug);
GraphicsDevice device = new GraphicsDevice(dr_device);
// For now set null for device backend.
window = new Window(device, parameters.BackBufferWidth,
parameters.BackBufferHeight, dr_window);
SwapChain chain = new SwapChain(device, window, parameters.Format, !parameters.Windowed, dr_chain);
// TODO: create depth stencil.
// Intialize device.
device.Initialize(chain, null);
return(device);
}
/// <summary>
/// Obtains an already created device.
/// </summary>
/// <param name="parameters">Parameters for default rendering surface, may be null for shared mode only.</param>
/// <returns></returns>
public GraphicsDevice ObtainDevice(RenderTargetParameters parameters)
{
GraphicsDevice device = new GraphicsDevice(service.Obtain());
// We now create a render target.
if (parameters != null)
{
// TODO account for multisampling.
TypelessTexture2D rt = new TypelessTexture2D(Usage.Default, TextureUsage.RenderTarget, CPUAccess.None,
parameters.Format, parameters.BackBufferWidth, parameters.BackBufferHeight, 1,
GraphicsLocality.DeviceMemoryOnly, null);
if (parameters.DepthStencilCommonFormat != CommonPixelFormatLayout.NotCommonLayout)
{
TypelessTexture2D dt = new TypelessTexture2D(Usage.Default, TextureUsage.DepthStencilTarget, CPUAccess.None,
parameters.DepthStencilFormat, parameters.BackBufferWidth, parameters.BackBufferHeight, 1,
GraphicsLocality.DeviceMemoryOnly, null);
// Associate render target and depth stencil with graphics device.
device.Initialize(rt.CreateRenderTarget(), dt.CreateDepthStencil());
}
else
{
device.Initialize(rt.CreateRenderTarget(), null);
}
// They will be auto-bound.
}
else
{
device.Initialize(null, null);
}
return(device);
}
