/// <summary>
/// Attempts to begin drawing the control. Returns false if this was not possible.
/// </summary>
private bool BeginDraw()
{
// Make sure the graphics device is big enough, and is not lost.
if (HandleDeviceResetAndSizeChanged() != ResizeResetResult.OK)
{
return(false);
}
// Multiple DirectImage instances can share the same device. The viewport is adjusted
// for when a smaller DirectImage is rendering.
if (surfaceType == SurfaceType.DirectX9)
{
Viewport viewport = new Viewport();
viewport.X = 0;
viewport.Y = 0;
viewport.Width = viewportWidth;
viewport.Height = viewportHeight;
viewport.MinZ = 0;
viewport.MaxZ = 1;
GraphicsDevice.Viewport = viewport;
}
if (surfaceType == SurfaceType.Direct2D)
{
var viewport2D = new SharpDX.Direct3D10.Viewport();
viewport2D.Height = viewportHeight;
viewport2D.MaxDepth = 1;
viewport2D.MinDepth = 0;
viewport2D.TopLeftX = 0;
viewport2D.TopLeftY = 0;
viewport2D.Width = viewportWidth;
graphicsDeviceService10.SetViewport(viewport2D);
}
return(true);
}
/// <summary>
/// Attempts to begin drawing the control. Returns false if this was not possible.
/// </summary>
private bool BeginDraw()
{
// Make sure the graphics device is big enough, and is not lost.
if (HandleDeviceResetAndSizeChanged() != ResizeResetResult.OK) return false;
// Multiple DirectImage instances can share the same device. The viewport is adjusted
// for when a smaller DirectImage is rendering.
if (surfaceType == SurfaceType.DirectX9)
{
Viewport viewport = new Viewport();
viewport.X = 0;
viewport.Y = 0;
viewport.Width = viewportWidth;
viewport.Height = viewportHeight;
viewport.MinZ = 0;
viewport.MaxZ = 1;
GraphicsDevice.Viewport = viewport;
}
if (surfaceType == SurfaceType.Direct2D)
{
var viewport2D = new SharpDX.Direct3D10.Viewport();
viewport2D.Height = viewportHeight;
viewport2D.MaxDepth = 1;
viewport2D.MinDepth = 0;
viewport2D.TopLeftX = 0;
viewport2D.TopLeftY = 0;
viewport2D.Width = viewportWidth;
graphicsDeviceService10.SetViewport(viewport2D);
}
return true;
}