/// <summary>
/// Creates all resources
/// </summary>
private void CreateResources(int viewWidth, int viewHeight, DpiScaling dpiScaling, bool forceInit)
{
// Calculate the screen size in device independent units
Size2F scaledScreenSize = new Size2F(
(float)viewWidth / dpiScaling.ScaleFactorX,
(float)viewHeight / dpiScaling.ScaleFactorY);
// Cancel here if the device does not support 2D rendering
if ((!forceInit) &&
(!m_device.Supports2D))
{
return;
}
if (!m_device.IsUsingFallbackMethodFor2D)
{
// Create the render target
using (DXGI.Surface dxgiSurface = m_renderTarget3D.QueryInterface <DXGI.Surface>())
{
D2D.BitmapProperties1 bitmapProperties = new D2D.BitmapProperties1();
bitmapProperties.DpiX = dpiScaling.DpiX;
bitmapProperties.DpiY = dpiScaling.DpiY;
bitmapProperties.BitmapOptions = D2D.BitmapOptions.Target | D2D.BitmapOptions.CannotDraw;
bitmapProperties.PixelFormat = new D2D.PixelFormat(GraphicsHelper.DEFAULT_TEXTURE_FORMAT, D2D.AlphaMode.Premultiplied);
m_renderTargetBitmap = new SharpDX.Direct2D1.Bitmap1(m_device.DeviceContextD2D, dxgiSurface, bitmapProperties);
m_renderTarget2D = m_device.DeviceContextD2D;
m_graphics2D = new Graphics2D(m_device, m_device.DeviceContextD2D, scaledScreenSize);
}
}
else
{
using (DXGI.Surface dxgiSurface = m_renderTarget3D.QueryInterface <DXGI.Surface>())
{
m_renderTarget2D = new D2D.RenderTarget(
m_device.Core.FactoryD2D,
dxgiSurface,
new D2D.RenderTargetProperties()
{
MinLevel = D2D.FeatureLevel.Level_10,
Type = D2D.RenderTargetType.Default,
Usage = D2D.RenderTargetUsage.ForceBitmapRemoting,
PixelFormat = new D2D.PixelFormat(GraphicsHelper.DEFAULT_TEXTURE_FORMAT, D2D.AlphaMode.Premultiplied),
DpiX = dpiScaling.DpiX,
DpiY = dpiScaling.DpiY
});
m_graphics2D = new Graphics2D(m_device, m_renderTarget2D, scaledScreenSize);
return;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Direct2DOverlayRenderer"/> class.
/// </summary>
internal Direct2DOverlayRenderer(EngineDevice device, D3D11.Texture2D renderTarget3D, int viewWidth, int viewHeight, DpiScaling dpiScaling, bool forceInit)
{
m_device = device;
m_renderTarget3D = renderTarget3D;
CreateResources(viewWidth, viewHeight, dpiScaling, forceInit);
}
/// <summary>
/// Initializes a new instance of the <see cref="Direct2DOverlayRenderer"/> class.
/// </summary>
public Direct2DOverlayRenderer(EngineDevice device, D3D11.Texture2D renderTarget3D, int viewWidth, int viewHeight, DpiScaling dpiScaling)
: this(device, renderTarget3D, viewWidth, viewHeight, dpiScaling, false)
{
}