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Project Description

FGL is high performance 3D graphics application framework based on OpenGL, SOIL (Simple OpenGL Image Library), Assimp, Freetype and OpenMesh.

FGL is aimed for VFP developers who interested in adding interactive 3D visualization features in their applications.

FGL supports:
  • easy to use scene graph object-oriented interface
  • user interaction (mouse, keyboard events)
  • rendering performance optimization features like spatial culling, Level Of Details (LOD), vertex buffers and instancing
  • material and light system
  • text rendering with TrueType and OpenType fonts
  • multiple viewports
  • skeletal animation
  • loading 3D models and textures in wide variety of formats, see and

Short demo of FGL based application

FGL is part of VFPX


1) Download latest FGL release from

2) Copy file fgl.fll to the root folder of your project.

3) Copy _FGL folder to the root folder of your project.
  • _FGL/fgl.vcx - wrapper around fgl.fll
  • _FGL/fglc.vcx - FGL controls library

4) Download and install "Visual C++ Redistributable Packages for Visual Studio 2013" (vcredist_x86.exe)


1) Integrate library to your project
  • Open FGL libraries
SET CLASSLIB TO "_FGL/fgl.vcx" ADDITIVE &&wrapper around fgl.fll
SET CLASSLIB TO "_FGL/fglc.vcx" ADDITIVE &&FGL controls library
  • Create new form and put FGLC.fglc_main container on it

2) Compile your project and try to execute it. If there is no any errors you can start to use FGL.
Of cause, you can also take a look at samples applications.


  • API documetation
  • transparent materials rendering
  • allow define custom shaders for materials
  • layered textures
  • bump mapping and parallax occlusion mapping
  • heightmaps

Last edited Jan 21, 2015 at 6:09 PM by chunihindf, version 18