public override DepthBuffer CreateDepthBufferFor( RenderTarget renderTarget )
{
var pBack = (Surface[])renderTarget[ "DDBACKBUFFER" ];
if( pBack[0] == null )
return null;
var srfDesc = pBack[ 0 ].Description;
//Find an appropiarte format for this depth buffer that best matches the RenderTarget's
var dsfmt = GetDepthStencilFormatFor( srfDesc.Format );
//Create the depthstencil surface
var activeDevice = ActiveD3D9Device;
var depthBufferSurface = Surface.CreateDepthStencil( activeDevice, srfDesc.Width, srfDesc.Height, dsfmt,
srfDesc.MultisampleType, srfDesc.MultisampleQuality,
true );
var newDepthBuffer = new D3D9DepthBuffer( PoolId.Default, this,
activeDevice, depthBufferSurface,
dsfmt, srfDesc.Width, srfDesc.Height,
srfDesc.MultisampleType, srfDesc.MultisampleQuality, false );
return newDepthBuffer;
}
public DepthBuffer AddManualDepthBuffer(Device depthSurfaceDevice, Surface depthSurface)
{
//If this depth buffer was already added, return that one
foreach (var itor in depthBufferPool[PoolId.Default].Cast<D3D9DepthBuffer>())
{
if( itor.DepthBufferSurface == depthSurface )
return itor;
}
//Nope, get the info about this depth buffer and create a new container fot it
var dsDesc = depthSurface.Description;
var newDepthBuffer = new D3D9DepthBuffer( PoolId.Default, this,
depthSurfaceDevice, depthSurface,
dsDesc.Format, dsDesc.Width, dsDesc.Height,
dsDesc.MultisampleType, dsDesc.MultisampleQuality, true );
//Add the 'main' depth buffer to the pool
depthBufferPool[newDepthBuffer.PoolId].Add(newDepthBuffer);
return newDepthBuffer;
}