///<summary>
/// Get a textured fullscreen 2D rectangle, for internal use.
///</summary>
public IRenderable GetTexturedRectangle2D()
{
if(rectangle == null)
/// 2D rectangle, to use for render_quad passes
rectangle = new Rectangle2D(true);
RenderSystem rs = Root.Instance.RenderSystem;
Viewport vp = rs.ActiveViewport;
float hOffset = rs.HorizontalTexelOffset / (0.5f * vp.ActualWidth);
float vOffset = rs.VerticalTexelOffset / (0.5f * vp.ActualHeight);
rectangle.SetCorners(-1f + hOffset, 1f - vOffset, 1f + hOffset, -1f - vOffset);
return rectangle;
}
/// <summary>
/// Internal method for setting up materials for shadows.
/// </summary>
protected virtual void InitShadowVolumeMaterials()
{
if ( this.shadowMaterialInitDone )
{
return;
}
if ( this.shadowDebugPass == null )
{
this.InitShadowDebugPass();
}
if ( this.shadowStencilPass == null )
{
this.InitShadowStencilPass();
}
if ( this.shadowModulativePass == null )
{
this.InitShadowModulativePass();
}
// Also init full screen quad while we're at it
if ( this.fullScreenQuad == null )
{
this.fullScreenQuad = new Rectangle2D();
this.fullScreenQuad.SetCorners( -1, 1, 1, -1 );
}
// Also init shadow caster material for texture shadows
if ( this.shadowCasterPlainBlackPass == null )
{
this.InitShadowCasterPass();
}
if ( this.shadowReceiverPass == null )
{
this.InitShadowReceiverPass();
}
// InitShadowReceiverPass up spot shadow fade texture (loaded from code data block)
Texture spotShadowFadeTex = TextureManager.Instance[ SPOT_SHADOW_FADE_IMAGE ];
if ( spotShadowFadeTex == null )
{
// Load the manual buffer into an image
MemoryStream imgStream = new MemoryStream( SpotShadowFadePng.SPOT_SHADOW_FADE_PNG );
Image img = Image.FromStream( imgStream, "png" );
spotShadowFadeTex = TextureManager.Instance.LoadImage( SPOT_SHADOW_FADE_IMAGE,
ResourceGroupManager.InternalResourceGroupName,
img,
TextureType.TwoD );
}
this.shadowMaterialInitDone = true;
}
/// <summary>
/// Internal constructor. This class cannot be instantiated externally.
/// </summary>
/// <remarks>
/// Protected internal because this singleton will actually hold the instance of a subclass
/// created by a render system plugin.
/// </remarks>
protected internal CompositorManager()
{
if (instance == null) {
instance = this;
}
rectangle = null;
}