[vtkusers] What's the version of OpenGL supported in VTK5.0 so far?

[Francois Bertel]

For future reference, I added a section in the FAQ:

http://www.vtk.org/Wiki/VTK_FAQ#OpenGL_requirements

With a sub-section for VTK5.0:

http://www.vtk.org/Wiki/VTK_FAQ#VTK_5.0

Francois Bertel wrote:
> Hi,
> 
> First let me clarify some terms:
> 
> * a software component using OpenGL (like VTK) *requires* some minimal
> version of OpenGL and some minimal set of OpenGL extensions at
> runtime. At compile time, it *requires* an OpenGL header file (gl.h)
> compatible with some minimal version of the OpenGL API.
> 
> * an OpenGL implementation (software  (like Mesa) or hardware
> (combination of a graphic card and its driver) ) *supports* some
> OpenGL versions and a set of extensions.
> 
> With that said, let me express your question the other way around and
> in two sub-questions:
> 
> 1. What is the minimal OpenGL version of the API required to compile VTK5.0?
> 
> The GL.h file provided by your compiler/system/SDK has to define at
> least the OpenGL 1.1 API. (Note: the functions and macros defined in
> higher OpenGL API versions or in other OpenGL extensions are provided
> by glext.h, glxext.h and wglext.h. Those 3 files are official files
> taken from opengl.org and already part of the VTK source tree).
> 
> 2. What is the minimal OpenGL version required by VTK5.0 at runtime?
> 
> All the VTK classes require an OpenGL implementation (software or
> hardware) >=1.1 except for vtkVolumeTextureMapper3D.
> 
> If you want to use vtkVolumeTextureMapper3D, the following extensions
> or OpenGL versions are required (at runtime):
> 
> * extension GL_EXT_texture3D or OpenGL>=1.2
> and
> * extension GL_ARB_multitexture or OpenGL>=1.3
> and either:
> * extensions GL_ARB_fragment_program and GL_ARB_vertex_program
> or:
> * extensions GL_NV_texture_shader2 and GL_NV_register_combiners and
> GL_NV_register_combiners2
> 
> Regards
> 
> On 10/9/07, tuo zhang <zhangtuo123 at yahoo.com.cn> wrote:
>> Hi!
>>
>> What's the version of OpenGL supported in VTK5.0 so
>> far?
>>
>> Thanks!
>>
>>                            Jedi  07/10/10
>>
>>
>>       ___________________________________________________________
>> @yahoo.cn 新域名、无限量，快来抢注！
>> http://mail.yahoo.cn/
>> _______________________________________________
>> This is the private VTK discussion list.
>> Please keep messages on-topic. Check the FAQ at: http://www.vtk.org/Wiki/VTK_FAQ
>> Follow this link to subscribe/unsubscribe:
>> http://www.vtk.org/mailman/listinfo/vtkusers
>>
> 
> 


-- 
François Bertel, PhD  | Kitware Inc. Suite 204
1 (518) 371 3971 x113 | 28 Corporate Drive
                      | Clifton Park NY 12065, USA