https://bugs.freedesktop.org/show_bug.cgi?id=92020
--- Comment #3 from Emil Velikov <emil.l.veli...@gmail.com> ---
Congratulations - seems like you found a bug in the emulator :-)
I would suggest taking a closer look into the emulator code.
To do things properly it should:
1. Create OpenGL context
2. Call wglGetProcAddress("wglGetExtensionsStringARB")
3. If non NULL, call the function to get a list of WGL extensions
4. Search for "WGL_ARB_render_texture" (the provider of WGL_TEXTURE_TARGET_ARB
and WGL_TEXTURE_FORMAT_ARB)
5. Act depending on its presence.
Here are a couple of links which should be useful
[1] https://www.opengl.org/wiki/Load_OpenGL_Functions#Windows_2
[2] https://www.opengl.org/registry/specs/ARB/wgl_render_texture.txt
If you want to add support for the extension in mesa that'll be great. Check
the Developer info [3] page for more details.
Cheers,
Emil
[3] http://www.mesa3d.org/devinfo.html
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