I have seen a lot of confusion from people wondering what a lot of the INI settings for IL-2 FB do. Just thought I'd share what someone else shared with me
If this isn't "new news" then I'm sorry. Just wanting to help out.
GL_EXT_texture_filter_anisotropic Anisotropic texture filtering
GL_ARB_texture_compression Saves texture memory by 400%
GL_NV_texture_shader NV Pixel Shaders
GL_NV_depth_clamp Corrects Shadows rendering
GL_EXT_texture_env_dot3 Dot3 Bump advanced combining
GL_NV_texture_env_combine4
GL_EXT_texture_env_combine Multitextures advanced combining for special effects
GL_ARB_multitexture Multitexturing
GL_EXT_separate_specular_color SeparateSpecular for 3D fog & specular optimization
GL_EXT_secondary_color Secondary Color for 3D fog & specular optimization
GL_EXT_clip_volume_hint Frustum clipping optimization
GL_EXT_compiled_vertex_array Compiled Vertex arrays
GL_EXT_paletted_texture Palettized textures (8 bit RGBA palette).