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

David Partyka david.partyka at kitware.com
Mon Jul 25 13:36:01 EDT 2011


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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