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[SOLVED] xf86-video-ati OpenGL flickering and artefacts
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ssteinberg
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Joined: 09 Jul 2010
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PostPosted: Thu Jul 15, 2010 1:29 pm    Post subject: [SOLVED] xf86-video-ati OpenGL flickering and artefacts Reply with quote

OpenGL applications (etracer, Compiz) suffer from mainly non-stop flickering.

radeon drivers on HD3850. KMS on.

glxinfo:
Code:

name of display: :0.0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
    GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_texture_from_pixmap,
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer,
    GLX_OML_swap_method, GLX_SGI_make_current_read, GLX_SGI_swap_control,
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
    GLX_SGIX_visual_select_group, GLX_INTEL_swap_event
client glx vendor string: Mesa Project and SGI
client glx version string: 1.4
client glx extensions:
    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context,
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_allocate_memory,
    GLX_MESA_copy_sub_buffer, GLX_MESA_swap_control,
    GLX_MESA_swap_frame_usage, GLX_OML_swap_method, GLX_OML_sync_control,
    GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGI_video_sync,
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
    GLX_SGIX_visual_select_group, GLX_EXT_texture_from_pixmap,
    GLX_INTEL_swap_event
GLX version: 1.4
GLX extensions:
    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context,
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer,
    GLX_MESA_swap_control, GLX_MESA_swap_frame_usage, GLX_OML_swap_method,
    GLX_OML_sync_control, GLX_SGI_make_current_read, GLX_SGI_swap_control,
    GLX_SGI_video_sync, GLX_SGIS_multisample, GLX_SGIX_fbconfig,
    GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group,
    GLX_EXT_texture_from_pixmap, GLX_INTEL_swap_event
OpenGL vendor string: Advanced Micro Devices, Inc.
OpenGL renderer string: Mesa DRI R600 (RV670 9505) 20090101  TCL DRI2
OpenGL version string: 2.0 Mesa 7.9-devel
OpenGL shading language version string: 1.10

..........


Using git versions of libdrm, mesa and xf86-video-ati.

EDIT: etracer now runs though very very poorly...

Any help would be very appreciated


Last edited by ssteinberg on Fri Jul 16, 2010 4:29 pm; edited 1 time in total
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audiodef
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PostPosted: Thu Jul 15, 2010 5:26 pm    Post subject: Reply with quote

Try the stable versions and see if those work.
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ssteinberg
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PostPosted: Thu Jul 15, 2010 6:04 pm    Post subject: Reply with quote

It is KMS. Running with nomodeset fixes it, but I get pathetic 3D performance. 20fps at etracer....
How do I get radeon driver with KMS (kernel 2.6.35)?
Does xf86-video-ati really provide such low performance?
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ssteinberg
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PostPosted: Fri Jul 16, 2010 4:28 pm    Post subject: Reply with quote

Solved:
today's Mesa git + export vblank_mode=0
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