On Wednesday 14 December 2005 04:53, Aric Cyr wrote: > Hello all, Hi, > As I mentinoed in a recent post, I have almost completed the GLX->WGL > conversion. Last night I tracked down my last bug that was causing most of > my demo apps to fail. > > It seems that the problem was the conversion from glXGetProcAddress to > using wglGetProcAddress. wined3d uses glXGetProcAddress to get the OpenGL > extension function pointers, which is what wglGetProcAddress also does. > However wglGetProcAddress _first_ checks opengl32.dll for the extension and > returns the thunk function pointer if it exists, and only then falls back > to libGL.so by calling glXGetProcAddress.
> So now I am stuck... if I use wglGetProcAddress for OpenGL extensions I > get crashes in most D3D9 applications. If I use glXGetProcAddress in > wined3d everything works fine, but then wined3d is still dependent on glx. > > So my questions: > > 1) should the thunks returned from wglGetProcAddress be causing crashes at > all? Note that they don't crash right away, but "eventually" usually during > a call to glDrawArrays it seems (after a call to glSecondaryColor3fEXT). The real problem here is "why it crash ?" It shouldn't as wine gl* calls are only "decorators" calls Maybe we have a declaration error... Can you provide more informations: - WINEDEBUG=+opengl log + winedbg crash log > 2) what is the reason for wglGetProcAddress to check opengl32.dll before > libGL.so? Would the reverse logic still be a resonable solution? No > Regards, > Aric Regards, Raphael
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