View Full Version : using Multitexturing
03-14-2006, 06:51 AM
Hi, I'm trying to enable multitexturing (my video support it!), but on glActive below, my application crash and appear 'report bug error' (i'm under winXP). Why this? Thanks
printf("after active multiTexturing\n");
Probably you need to activate your function pointer with something like wglGetProcAddress or use one of extention loading library (for example glew).
03-14-2006, 09:58 AM
I don't understand how. I'm a newbie. I have incuding <GL/glew.h>...but occur this error at runtime..
03-15-2006, 02:31 AM
you can get the function pointer the following way:
glActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC) wglGetProcAddress("glActiveTextureARB");
you should check the pointer afterwards if it is null (in that case wglGetProcAddress wasn't successful)
03-16-2006, 02:03 AM
If you are using glew, ensure you have initialized it. (eg. called glewInit()? once you have a render context)
03-16-2006, 05:04 AM
Originally posted by sqrt[-1]:
If you are using glew, ensure you have initialized it. (eg. called glewInit()? once you have a render context) Thanks it was this. I also make glewInit() but in a wrong place...bye
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