OpenGL Properties: Vendor Intergraph Corporation Renderer wcgdrv 06.05.06.18 Version 1.2 OpenGL DLL 5.1.2600.5512(xpsp.080413-0845) ICD Driver glzicd.dll (01.00.00.00) Sub-Pixel Precision 11-bit Max Viewport Size 3966 x 3966 Max 3D Texture Size 128 x 128 x 128 Max Clipping Planes 6 Max Display-List Nesting Level 64 Max Evaluator Order 30 Max Light Sources 24 Max Pixel Map Table Size 256 Max Texture LOD Bias 0 Max Stack Depth: Attribute Stack 16 Client Attribute Stack 16 Modelview Matrix Stack 32 Name Stack 128 Projection Matrix Stack 10 Texture Matrix Stack 8 Draw Range Elements: Max Index Count 256 Max Vertex Count 256 Extensions: 57 ARB_imaging GL_ARB_multisample GL_ARB_texture_border_clamp GL_Autodesk_valid_back_buffer_hint GL_EXT_422_pixels GL_EXT_bgra GL_EXT_blend_color GL_EXT_blend_func_separate GL_EXT_blend_minmax GL_EXT_blend_subtract GL_EXT_color_matrix GL_EXT_color_subtable GL_EXT_color_table GL_EXT_convolution GL_EXT_convolution_border_modes GL_EXT_draw_range_elements GL_EXT_fog_function GL_EXT_fog_offset GL_EXT_generate_mipmap GL_EXT_histogram GL_EXT_interlace GL_EXT_multisample GL_EXT_packed_pixels GL_EXT_pixel_texture GL_EXT_rescale_normal GL_EXT_separate_specular_color GL_EXT_stencil_wrap GL_EXT_swap_control GL_EXT_texture3D GL_EXT_texture4D GL_EXT_texture_border_clamp GL_EXT_texture_color_table GL_EXT_texture_edge_clamp GL_EXT_texture_lod GL_EXT_texture_lod_bias GL_EXT_texture_object GL_I3D_argb GL_I3D_color_clamp GL_I3D_interlace_read GL_IBM_cull_vertex GL_IBM_rescale_normal GL_KTX_buffer_region GL_OML_interlace GL_OML_resample GL_OML_subsample GL_SGI_color_matrix GL_SGI_color_table GL_SGI_texture_color_table GL_SGIS_fog_function GL_SGIS_generate_mipmap GL_SGIS_multisample GL_SGIS_texture4D GL_SGIS_texture_border_clamp GL_SGIX_fog_offset GL_SGIX_interlace GL_SGIX_pixel_texture GL_WIN_swap_hint Core features v1.1 (100 % - 7/7) v1.2 (100 % - 8/8) v1.3 (22 % - 2/9) v1.4 (33 % - 5/15) v1.5 (0 % - 0/3) v2.0 (0 % - 0/10) v2.1 (0 % - 0/3) v3.0 (0 % - 0/23) v3.1 (0 % - 0/8) v3.2 (0 % - 0/10) v3.3 (0 % - 0/10) v4.0 (0 % - 0/14) v4.1 (0 % - 0/7) v4.2 (0 % - 0/12) v4.3 (0 % - 0/18)