[vtk-developers] [VTK 0012385]: Please don't exclude Intel GPU's from VolumeRendering/vtkOpenGLGPUVolumeRayCastMapper.cxx

[Dominique Belhachemi]

Intel support has been dropped again. What happened?

Dominique


On Mon, Jul 25, 2011 at 1:36 PM, David Partyka
<david.partyka at kitware.com> wrote:
> Just merged this into both 5.8 and master.
>
> On Mon, Jul 25, 2011 at 10:28 AM, David Partyka <david.partyka at kitware.com>
> wrote:
>>
>> I'll take a look at it for 5.8
>>
>> On Mon, Jul 25, 2011 at 10:17 AM, Dominique Belhachemi
>> <domibel at debian.org> wrote:
>>>
>>> Hi,
>>>
>>> A gerrit patch is ready for a review.
>>> http://review.source.kitware.com/#change,2184
>>>
>>> I hope it can make it in the 5.8 release so that Intel GPU user can
>>> report their experience with VTK.
>>>
>>> Thanks
>>> Dominique
>>>
>>>
>>> On Wed, Jul 20, 2011 at 7:58 PM, Mantis Bug Tracker
>>> <mantis at public.kitware.com> wrote:
>>> >
>>> > The following issue has been SUBMITTED.
>>> > ======================================================================
>>> > http://vtk.org/Bug/view.php?id=12385
>>> > ======================================================================
>>> > Reported By:                domibel
>>> > Assigned To:
>>> > ======================================================================
>>> > Project:                    VTK
>>> > Issue ID:                   12385
>>> > Category:                   (No Category)
>>> > Reproducibility:            have not tried
>>> > Severity:                   minor
>>> > Priority:                   urgent
>>> > Status:                     backlog
>>> > Project:                    TBD
>>> > Type:                       usability
>>> > ======================================================================
>>> > Date Submitted:             2011-07-20 18:58 CDT
>>> > Last Modified:              2011-07-20 18:58 CDT
>>> > ======================================================================
>>> > Summary:                    Please don't exclude Intel GPU's from
>>> > VolumeRendering/vtkOpenGLGPUVolumeRayCastMapper.cxx
>>> > Description:
>>> > Hi,
>>> >
>>> > Intel GPU's contain as usual the substring "Mesa" in the OpenGL
>>> > renderer string.
>>> >
>>> > e.g.: Mesa DRI Mobile Intel® GM45 Express Chipset GEM 20091221 2009Q4
>>> > x86/MMX/SSE2
>>> >
>>> > The following code excludes all those GPU's. I think this check should
>>> > be
>>> > removed. It is better to inform the user what OpenGL feature is
>>> > missing.
>>> >
>>> >
>>> > in VolumeRendering/vtkOpenGLGPUVolumeRayCastMapper.cxx:2160
>>> >
>>> >  const char *gl_version=reinterpret_cast<const char
>>> > *>(glGetString(GL_VERSION));
>>> >  if(strstr(gl_version,"Mesa")!=0)
>>> >    {
>>> >    // - GL_VENDOR cannot be used because it can be "Brian Paul" or
>>> >    // "Mesa project"
>>> >    // - GL_RENDERER cannot be used because it can be "Software
>>> > Rasterizer" or
>>> >    // "Mesa X11"
>>> >    // - GL_VERSION is more robust. It has things like "2.0 Mesa 7.0.4"
>>> > or
>>> >    // "2.1 Mesa 7.2" or "2.1 Mesa 7.3-devel"
>>> >    // Mesa does not work with multiple draw buffers:
>>> >    // "framebuffer has bad draw buffer"
>>> >    // "render clipped 1 ERROR (x506) invalid framebuffer operation ext"
>>> >    this->LoadExtensionsSucceeded=0;
>>> >    return;
>>> >    }
>>> >
>>> >
>>> > Thanks
>>> > Dominique
>>> > ======================================================================
>>> >
>>> > Issue History
>>> > Date Modified    Username       Field                    Change
>>> > ======================================================================
>>> > 2011-07-20 18:58 domibel        New Issue
>>> > ======================================================================
>>> >
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>>
>
>