/// <summary>
/// Creates a new instance of <see cref="UIBatch"/>.
/// </summary>
/// <param name="device">A valid instance of <see cref="GraphicsDevice"/>.</param>
public UIBatch(GraphicsDevice device)
: base(device, UIEffect.Bytecode,
ResourceBufferInfo.CreateDynamicIndexBufferInfo("UIBatch.VertexIndexBuffers", MaxIndicesCount, MaxVerticesCount),
VertexPositionColorTextureSwizzle.Layout)
{
// Create the two ui effects
uiSeparateAlphaEffect = new Effect(GraphicsDevice, UIEffectSeparateAlpha.Bytecode)
{
Name = "SeparatedAlphaBatchEffect"
};
// Create a 1x1 pixel white texture
whiteTexture = Texture.New2D(GraphicsDevice, 1, 1, PixelFormat.R8G8B8A8_UNorm, new Byte[] { 255, 255, 255, 255 });
}
/// <summary>
/// Creates the depth stencil buffer.
/// </summary>
protected virtual void CreateDepthStencilBuffer()
{
// If no depth stencil buffer, just return
if (Description.DepthStencilFormat == PixelFormat.None)
{
return;
}
// Creates the depth stencil buffer.
var flags = TextureFlags.DepthStencil;
if (GraphicsDevice.Features.Profile >= GraphicsProfile.Level_10_0)
{
flags |= TextureFlags.ShaderResource;
}
var depthTexture = Texture.New2D(GraphicsDevice, Description.BackBufferWidth, Description.BackBufferHeight, Description.DepthStencilFormat, flags);
DepthStencilBuffer = depthTexture.KeepAliveBy(this);
}
public SwapChainGraphicsPresenter(GraphicsDevice device, PresentationParameters presentationParameters) : base(device, presentationParameters)
{
device.InitDefaultRenderTarget(Description);
backBuffer = Texture.New2D(device, Description.BackBufferWidth, Description.BackBufferHeight, presentationParameters.BackBufferFormat, TextureFlags.RenderTarget | TextureFlags.ShaderResource);
}