Hello Stefan,
On 05/13/2013 11:21 AM, Wagner, Stefan wrote:
> I extended the HDRStage with a custom gBuffer (position, normal) which I
> use for SSAO (I know overkill, but I need the gBuffer for other things
> as well).
>
> This works fine if I use this stage only but I’m running into problems
> if I try to combine this stage with the ShadowStage. My custom gBuffer
> gets cleared as soon as I enable the ShadowStage.
>
> I tried to enable combineblend and also attached a DepthClearBackground
> to the viewport, but that didn’t helped. Does anybody knows why?
>
> My layout is the following:
>
> ShadowStage -> CustomHDRStage -> VisitRenderTree
my guess would be that the buffer gets cleared when generating the
shadow maps - for which ideally you'd want the HDRStage to be a no-op.
However, the HDRStage does not really have a good (any?) way of knowing
that it is being visited as part of a pass that renders shadow maps, so
I'm not sure what to suggest :(
Cheers,
Carsten
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