Compositing GL
Roderick Colenbrander
thunderbird2k at gmx.net
Wed Aug 22 14:23:37 CDT 2007
On Wednesday 22 August 2007 21:10, H. Verbeet wrote:
> On 22/08/07, Roderick Colenbrander <thunderbird2k at gmx.net> wrote:
> > There are two distinct cases. You have programs that use a toplevel for
> > GL/D3D rendering (in general this is the case for games). Further you
> > have 'windowed' programs e.g. programs that mix GL/D3D with a GDI gui.
> > The use of GL Composition is limited to these 'windowed' programs. So the
> > performance hit is also only limited to those programs. In my case the
> > hit in the dx9 swap chains and the dx8 dolphin demo is about 1/3th but
> > still there's a hit. As I said before in cpu limited cases I don't expect
> > problems.
>
> I thought it was required in both cases to get additional pixel formats?
Right now there's still only a single pixelformat. We would like to add more
pixelformats but toplevel windows are the problem right now. The proper way
to support more pixelformats on it is to recreate windows. Though doing this
is not trivial but it must be done.
Roderick
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