OpenGL no Ubuntu 14.04

1

Em um Dell XPS 13 com o Ubuntu 14.04 pré-instalado, tenho problemas para executar programas exemplo do OpenGL (www.opengl-tutorial.org). Tudo compila bem, no entanto, a janela na tela é preta ou mostra alguns artefatos. O Mesa parece estar atualizado e deve ser capaz de entender o OpenGL 3.3;

$ glxinfo | grep version
server glx version string: 1.4
client glx version string: 1.4
GLX version: 1.4
OpenGL core profile version string: 3.3 (Core Profile) Mesa 10.1.3
OpenGL core profile shading language version string: 3.30
OpenGL version string: 3.0 Mesa 10.1.3
OpenGL shading language version string: 1.30

$glxinfo | grep renderer
GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer,
GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer,
OpenGL renderer string: Mesa DRI Intel(R) Broadwell

Saída completa do glxinfo: link

  $lshw -C display
   *-display               
   Beschreibung: VGA compatible controller
   Produkt: Broadwell-U Integrated Graphics
   Hersteller: Intel Corporation
   Physische ID: 2
   Bus-Informationen: pci@0000:00:02.0
   Version: 09
   Breite: 64 bits
   Takt: 33MHz
   Fähigkeiten: msi pm vga_controller bus_master cap_list rom
   Konfiguration: driver=i915 latency=0
   Ressourcen: irq:64 memory:f6000000-f6ffffff memory:e0000000-efffffff ioport:f000(Größe=64)

Alguma ideia, o que posso fazer para usar o OpenGL?

Obrigado Helmar

    
por Helmar Spangenberg 26.05.2015 / 00:18

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