Fixed: Don't crash if GL_VERSION returns NULL (it should never happen)
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afa53e242e
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d9265f36cf
2 changed files with 17 additions and 8 deletions
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@ -1567,11 +1567,20 @@ void registerGlExtensions(CGlExtensions &ext)
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// OpenGL 1.2 ??
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// OpenGL 1.2 ??
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const char *nglVersion = (const char *)glGetString (GL_VERSION);
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const char *nglVersion = (const char *)glGetString (GL_VERSION);
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if (nglVersion)
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{
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sint a = 0, b = 0;
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sint a = 0, b = 0;
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// 1.2*** ???
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// 1.2*** ???
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sscanf(nglVersion, "%d.%d", &a, &b);
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sscanf(nglVersion, "%d.%d", &a, &b);
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ext.Version1_2 = (a==1 && b>=2) || (a>=2);
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ext.Version1_2 = (a==1 && b>=2) || (a>=2);
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}
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else
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{
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nlwarning("3D: Unable to get GL_VERSION, OpenGL 1.2 should be supported on all recent GPU...");
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ext.Version1_2 = true;
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}
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const char *vendor = (const char *) glGetString (GL_VENDOR);
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const char *vendor = (const char *) glGetString (GL_VENDOR);
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const char *renderer = (const char *) glGetString (GL_RENDERER);
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const char *renderer = (const char *) glGetString (GL_RENDERER);
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