/// <summary>
/// Creates a render target texture with the given width and height.
/// </summary>
/// <param name="device">Graphics device.</param>
/// <param name="width">Width of generated texture.</param>
/// <param name="height">Height of generated texture.</param>
public D3D11.Texture2D CreateRenderTargetTexture(D3D11.Device device, int width, int height)
{
var textureDescription = new D3D11.Texture2DDescription();
if (TryEnableAntialiasing)
{
var maxCount = 1;
for (var i = 0; i < 32; i++)
{
if (device.CheckMultisampleQualityLevels(DXGI.Format.B8G8R8A8_UNorm, i) > 0)
maxCount = i;
}
textureDescription.Width = width;
textureDescription.Height = height;
textureDescription.MipLevels = 1;
textureDescription.ArraySize = 1;
textureDescription.Format = DXGI.Format.B8G8R8A8_UNorm;
textureDescription.Usage = D3D11.ResourceUsage.Default;
textureDescription.SampleDescription = new DXGI.SampleDescription(maxCount, 0);
textureDescription.BindFlags = D3D11.BindFlags.ShaderResource | D3D11.BindFlags.RenderTarget;
textureDescription.CpuAccessFlags = D3D11.CpuAccessFlags.None;
textureDescription.OptionFlags = D3D11.ResourceOptionFlags.None;
}
else
{
textureDescription.Width = width;
textureDescription.Height = height;
textureDescription.MipLevels = 1;
textureDescription.ArraySize = 1;
textureDescription.Format = DXGI.Format.B8G8R8A8_UNorm;
textureDescription.Usage = D3D11.ResourceUsage.Default;
textureDescription.SampleDescription = new DXGI.SampleDescription(1, 0);
textureDescription.BindFlags = D3D11.BindFlags.ShaderResource | D3D11.BindFlags.RenderTarget;
textureDescription.CpuAccessFlags = D3D11.CpuAccessFlags.None;
textureDescription.OptionFlags = D3D11.ResourceOptionFlags.None;
}
return new D3D11.Texture2D(device, textureDescription);
}
