private void Prepare(DrawState nextState)
{
if (this.currState == nextState)
{
return;
}
Flush();
switch (nextState)
{
case DrawState.None: break;
case DrawState.Geometry: break;
case DrawState.Sprite:
RasterizerState rasterizer = isClipped ? this.clippingRasterizeState : null;
spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.NonPremultiplied, SamplerState.LinearClamp, DepthStencilState.None, rasterizer, effect: currentActiveEffect);
break;
case DrawState.D2D:
d2dRenderer.Begin();
if (isClipped)
{
d2dRenderer.PushClip(this.GraphicsDevice.ScissorRectangle);
}
break;
}
this.currState = nextState;
}
protected override void Draw()
{
base.Draw();
if (this.ShowInfo && this.XnaFont != null)
{
UpdateInfoText();
sprite.Begin();
sprite.DrawStringEx(this.XnaFont, this.sbInfo, Vector2.Zero, Color.Black);
sprite.End();
}
}
/// <summary>
/// Begins the rendering with custom effect
/// </summary>
/// <param name="effect">The effect.</param>
public override void Begin(EffectBase effect)
{
isClipped = false;
isSpriteRenderInProgress = true;
UpdateCurrentEffect(effect);
if (previousState != null)
{
spriteBatch.GraphicsDevice.RasterizerState = previousState;
previousState = null;
}
if (clipRectanges.Count == 0)
{
spriteBatch.Begin(blendState: BlendState.NonPremultiplied, effect: currentActiveEffect);
}
else
{
Rectangle previousClip = clipRectanges.Pop();
BeginClipped(previousClip);
}
}