private void ResizeRenderTarget(Viewport viewport)
{
int maxWidth = viewport.Width;
int maxHeight = viewport.Height;
int maxTexDim = (_graphicsDevice.GraphicsProfile >= GraphicsProfile.HiDef) ? 4096 : 2048;
maxWidth = Math.Min(maxTexDim, maxWidth);
maxHeight = Math.Min(maxTexDim, maxHeight);
if (_renderTarget != null)
{
if (_renderTarget.Width == maxWidth && _renderTarget.Height == maxHeight)
{
return;
}
if (!_renderTarget.IsDisposed)
{
_renderTarget.Dispose();
}
_renderTarget = null;
}
if (_renderTarget == null)
{
_renderTarget = new RenderTarget2D(_graphicsDevice, maxWidth, maxHeight,
false, SurfaceFormat.Color, DepthFormat.Depth24Stencil8);
if (fxaaGreenLumaLowEffect != null)
{
fxaaGreenLumaLowEffect.SetDefaultParameters(maxWidth, maxHeight);
}
if (_graphicsDevice.GraphicsProfile >= GraphicsProfile.HiDef)
{
fxaaGreenLumaMediumEffect.SetDefaultParameters(maxWidth, maxHeight);
fxaaGreenLumaHighEffect.SetDefaultParameters(maxWidth, maxHeight);
}
}
return;
}
private void SetEffectParameters(FXAAEffect effect, float N, Viewport viewport)
{
effect.SetDefaultParameters(viewport.Width, viewport.Height);
effect.AntialiasingEnabled = true;
}