Direct3D8 regression/bug

[Roderick Colenbrander]

After some more testing I found the problem. I only don't know how to fix it 
since I don't have any OpenGL experience yet. It seems that d3d8 only works 
in 24bit colours and that 16bit is unsupported at the moment.

On Wednesday 04 December 2002 18:42, Roderick Colenbrander wrote:
> Hi,
>
> Just to see how well Wine's Direct3D8 support is working, I played with
> some some simple d3d8 demos. (that are the tutorial examples Jason Edmeades
> used when he started Wine's Direct3D8 implementation) A few weeks ago all
> those demo's worked. Perhaps some things where not rendered correctly but
> they worked.
>
> A few days ago I rechecked those demo's but now all d3d8 apps I try crash.
> Immedeately winedbg is launched. The app seems to crash in libGL.so.1.
>
> Here's the error with a backtrace:
>
> Unhandled exception: page fault on read access to 0x00000008 in 32-bit code
> (0x40bf4a06).
> In 32-bit mode.
> 0x40bf4a06 (_end+0xf6a9a in libGL.so.1): movl   0x8(%eax),%eax
> Wine-dbg>bt
> Backtrace:
> =>0 0x40bf4a06 (_end+0xf6a9a in libGL.so.1) (ebp=00000001)
>
> Lionel suggested that his OpenGL patches may have caused this problem. He
> had the same crashes on his pc. I reversed his patches but it still had
> problems. (perhaps I made some misstakes somewhere ..)
>
> Perhaps the problem is related to the OpenGL drivers. I'm using Nvidia's
> OpenGL drivers (1.0-3123).
>
> I hope this helps a bit,
>
> Roderick Colenbrander