Hi Terry,
On Thu, 2005-04-28 at 15:37 -0500, Terry Welsh wrote:
> Hi,
> If I order my code in certain ways, sometimes my rendering will stop
> working and I'll start seeing endless warning messages like this:
>
> WARNING: TextureChunk::initialize params failed: invalid operation (0x502)
> WARNING: textureShader precheck failed: invalid operation (0x502)
> WARNING: TextureChunk::initialize params failed: invalid operation (0x502)
> WARNING: textureShader precheck failed: invalid operation (0x502)
> WARNING: TextureChunk::initialize params failed: invalid operation (0x502)
> WARNING: textureShader precheck failed: invalid operation (0x502)
> WARNING: textureShader precheck failed: invalid operation (0x502)
> WARNING: textureShader precheck failed: invalid operation (0x502)
> WARNING: textureShader precheck failed: invalid operation (0x502)
> ....
>
> If I reorder my code or comment parts out, I can usually get the
> warnings to stop and my rendering to work again. But I haven't been
> able to figure out the actual cause of all this. The only unusual
> thing about my app is that I'm combining OpenGL calls with OpenSG in
> order to do some multipass rendering and other effects. Any
> suggestions?
have you tried running it through an OpenGL debugger like GLIntercept or
bugle? Alternatively you can try to add a glGetError() before you call
OpenSG, to make sure the error is not caused by something outside of
OpenSG.
Looking at the places this is coming from my guess would be something
about the texture unit or activated textures. Try making sure that
texturing is disabled and unit 0 is active before calling OpenSG.
Hope it helps
Dirk
--
-- Dirk Reiners OpenSG Forum [EMAIL PROTECTED]
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