DWT+OpenGL crashing on Vista

[Denis Koroskin]

On Sat, 17 Jan 2009 02:51:46 +0300, Bill Baxter <wbaxter at gmail.com> wrote:

> I'm going crazy here with a very odd bug.
> My DWT+OpenGL Win32 app is crashing *only* on Vista and *only* when I
> use client arrays for rendering
> (i.e. glEnableClientState(GL_VERTEX_ARRAY), glVertexPointer(...),
> glArrayElement(....)).
>
> The exact same code works fine on XP.
> I have the Areo desktop compositing diabled on Vista.
> The exact same code works fine if I replace the glArrayElement calls
> with glVertex3fv calls.
>
> Another weird thing is that it doesn't crash right away,   The thing
> I'm drawing will draw fine for 20 or so frames, then it crashes,
> usually in swapBuffers or in the glClear.after swapBuffers.
> Sometimes the same program will not crash at all.
>
> I tried modifying a DWT OpenGL snippet to use client arrays, but I
> couldn't get it to crash.
>
> I tried disabling the GC too,  no change.
> A web search didn't turn up anyone else with similar problems.
>
> I upgraded my video drivers (GeForce 8400M GS) with the latest from
> NVIDIA, but still no change.
>
> I just have no idea what else could be going wrong or what else I could  
> try.
>
> --bb

Looks like some kind of memory damage to me.