Hi Dave,
quite correct what you are mentioning.
You do need to make sure that your layer supports this, i.e. returns
DLCAPS_WINDOWS in the description->caps during InitLayer for your
graphics driver. And your SetRegion implements setting the buffer
address for your 'region' (i.e. window).
Calvery, David wrote:
If I have a custom gfxdrivers layer with buffermode DLBM_WINDOWS, is
it possible to create windows on that layer and have my gfxdrivers
callback functions called to access the window surface data? It seems
the only way I can create a window is through an interface to a layer,
but calling GetDisplayLayer from my application fails because the
layer construction tries to create a primary region and catches an
assertion that buffermode can’t be DLBM_WINDOWS.
If this is not possible, what is the purpose of DLBM_WINDOWS?
Thanks.
Dave
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