SDL video target is 'x11' SDL video target is 'x11' This system supports the OpenGL extension GL_EXT_framebuffer_object. This system supports the OpenGL extension GL_EXT_framebuffer_blit. This system supports the OpenGL extension GL_EXT_framebuffer_multisample. This system DOES NOT support the OpenGL extension GL_APPLE_fence. This system DOES NOT support the OpenGL extension GL_NV_fence. This system supports the OpenGL extension GL_ARB_sync. This system supports the OpenGL extension GL_EXT_draw_buffers2. This system DOES NOT support the OpenGL extension GL_EXT_bindable_uniform. This system DOES NOT support the OpenGL extension GL_APPLE_flush_buffer_range. This system supports the OpenGL extension GL_ARB_map_buffer_range. This system supports the OpenGL extension GL_ARB_vertex_buffer_object. This system supports the OpenGL extension GL_ARB_occlusion_query. This system DOES NOT support the OpenGL extension GL_APPLE_texture_range. This system DOES NOT support the OpenGL extension GL_APPLE_client_storage. This system DOES NOT support the OpenGL extension GL_ARB_uniform_buffer. This system supports the OpenGL extension GL_ARB_vertex_array_bgra. This system supports the OpenGL extension GL_EXT_vertex_array_bgra. This system supports the OpenGL extension GL_ARB_framebuffer_object. This system DOES NOT support the OpenGL extension GL_GREMEDY_string_marker. This system supports the OpenGL extension GL_ARB_debug_output. This system DOES NOT support the OpenGL extension GL_EXT_direct_state_access. This system DOES NOT support the OpenGL extension GL_NV_bindless_texture. This system DOES NOT support the OpenGL extension GL_AMD_pinned_memory. This system DOES NOT support the OpenGL extension GL_EXT_framebuffer_multisample_blit_scaled. This system supports the OpenGL extension GL_EXT_texture_sRGB_decode. This system DOES NOT support the OpenGL extension GL_NVX_gpu_memory_info. This system DOES NOT support the OpenGL extension GL_ATI_meminfo. This system supports the OpenGL extension GL_EXT_texture_compression_s3tc. This system DOES NOT support the OpenGL extension GLX_EXT_swap_control_tear.