** Description changed:

  Binary package hint: xserver-xorg-driver-i810
  
  When using fullscreen and glx (?) and dri (?) i get some strange image
  corruption.
  
- See attached images.
+ It seems that some sort of zbuffer clipping is not working
+ 
+ See attached images below :
+ 
+ http://librarian.launchpad.net/5808462/fullscreen-dri-2.png
+ http://librarian.launchpad.net/5808464/fullscreen-without-dri-2.png
+ 
+ See how there is overlap from flippers that are behind, or the shadows
+ of the chess pieces fall below the board.
+ 
+ Running at 1280x1024.
  
  I have turned off/on DRI via
  
  /etc/X11/xorg.conf
  
  Section "Device"
        Identifier      "Intel Corporation 82915G/GV/910GL Express Chipset 
Family Graphics Controller"
        Driver          "i810"
        BusID           "PCI:0:2:0"
        VideoRam    32768
        Option         "DRI"           "false"
  EndSection
  
  OR
  
  Section "Device"
        Identifier      "Intel Corporation 82915G/GV/910GL Express Chipset 
Family Graphics Controller"
        Driver          "i810"
        BusID           "PCI:0:2:0"
        VideoRam    32768
        Option         "DRI"           "true"
  EndSection
  
- with DRI turned off (will need to restart X to get with dri turned on)
+ ------------------------------------
+ with DRI turned OFF
  
  $ glxinfo
  name of display: :0.0
  display: :0  screen: 0
  direct rendering: No
  server glx vendor string: SGI
  server glx version string: 1.2
  server glx extensions:
      GLX_ARB_multisample, GLX_EXT_visual_info, GLX_EXT_visual_rating, 
      GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_OML_swap_method, 
      GLX_SGI_make_current_read, GLX_SGIS_multisample, GLX_SGIX_hyperpipe, 
      GLX_SGIX_swap_barrier, GLX_SGIX_fbconfig, GLX_MESA_copy_sub_buffer
  client glx vendor string: 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 version: 1.2
  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_OML_swap_method, GLX_SGI_make_current_read, GLX_SGIS_multisample, 
      GLX_SGIX_fbconfig, GLX_EXT_texture_from_pixmap
  OpenGL vendor string: Mesa project: www.mesa3d.org
  OpenGL renderer string: Mesa GLX Indirect
  OpenGL version string: 1.2 (1.5 Mesa 6.5.1)
  OpenGL extensions:
      GL_ARB_depth_texture, GL_ARB_imaging, GL_ARB_multitexture, 
      GL_ARB_point_parameters, GL_ARB_point_sprite, GL_ARB_shadow, 
      GL_ARB_shadow_ambient, GL_ARB_texture_border_clamp, 
      GL_ARB_texture_cube_map, GL_ARB_texture_env_add, 
      GL_ARB_texture_env_combine, GL_ARB_texture_env_crossbar, 
      GL_ARB_texture_env_dot3, GL_ARB_texture_mirrored_repeat, 
      GL_ARB_texture_non_power_of_two, GL_ARB_texture_rectangle, 
      GL_ARB_transpose_matrix, GL_ARB_window_pos, GL_EXT_abgr, GL_EXT_bgra, 
      GL_EXT_blend_color, GL_EXT_blend_func_separate, GL_EXT_blend_logic_op, 
      GL_EXT_blend_minmax, GL_EXT_blend_subtract, GL_EXT_clip_volume_hint, 
      GL_EXT_copy_texture, GL_EXT_draw_range_elements, GL_EXT_fog_coord, 
      GL_EXT_framebuffer_object, GL_EXT_multi_draw_arrays, 
GL_EXT_packed_pixels, 
      GL_EXT_point_parameters, GL_EXT_polygon_offset, GL_EXT_rescale_normal, 
      GL_EXT_secondary_color, GL_EXT_separate_specular_color, 
      GL_EXT_shadow_funcs, GL_EXT_stencil_wrap, GL_EXT_subtexture, 
      GL_EXT_texture, GL_EXT_texture3D, GL_EXT_texture_edge_clamp, 
      GL_EXT_texture_env_add, GL_EXT_texture_env_combine, 
      GL_EXT_texture_env_dot3, GL_EXT_texture_lod_bias, GL_EXT_texture_object, 
      GL_EXT_texture_rectangle, GL_EXT_vertex_array, GL_APPLE_packed_pixels, 
      GL_ATI_texture_env_combine3, GL_ATI_texture_mirror_once, 
      GL_ATIX_texture_env_combine3, GL_IBM_texture_mirrored_repeat, 
      GL_INGR_blend_func_separate, GL_MESA_pack_invert, GL_MESA_ycbcr_texture, 
      GL_NV_blend_square, GL_NV_point_sprite, GL_NV_texgen_reflection, 
      GL_NV_texture_rectangle, GL_SGIS_generate_mipmap, 
      GL_SGIS_texture_border_clamp, GL_SGIS_texture_edge_clamp, 
      GL_SGIS_texture_lod, GL_SGIX_depth_texture, GL_SGIX_shadow, 
      GL_SGIX_shadow_ambient, GL_SUN_multi_draw_arrays
  glu version: 1.3
  glu extensions:
      GLU_EXT_nurbs_tessellator, GLU_EXT_object_space_tess
  
     visual  x  bf lv rg d st colorbuffer ax dp st accumbuffer  ms  cav
   id dep cl sp sz l  ci b ro  r  g  b  a bf th cl  r  g  b  a ns b eat
  ----------------------------------------------------------------------
  0x23 24 tc  0 24  0 r  y  .  8  8  8  0  0 16  0  0  0  0  0  0 0 None
  0x24 24 tc  0 24  0 r  y  .  8  8  8  0  0 16  8 16 16 16  0  0 0 None
  0x25 24 tc  0 32  0 r  y  .  8  8  8  8  0 16  8 16 16 16 16  0 0 None
  0x26 24 tc  0 32  0 r  .  .  8  8  8  8  0 16  8 16 16 16 16  0 0 None
  0x27 24 dc  0 24  0 r  y  .  8  8  8  0  0 16  0  0  0  0  0  0 0 None
  0x28 24 dc  0 24  0 r  y  .  8  8  8  0  0 16  8 16 16 16  0  0 0 None
  0x29 24 dc  0 32  0 r  y  .  8  8  8  8  0 16  8 16 16 16 16  0 0 None
  0x2a 24 dc  0 32  0 r  .  .  8  8  8  8  0 16  8 16 16 16 16  0 0 None
  0x42 32 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 Ncon
  
+ ----------------------------------
+ with DRI turned ON
+ 
+ $ glxinfo
+ name of display: :0.0
+ libGL warning: 3D driver claims to not support visual 0x5b
+ display: :0  screen: 0
+ direct rendering: Yes
+ server glx vendor string: SGI
+ server glx version string: 1.2
+ server glx extensions:
+     GLX_ARB_multisample, GLX_EXT_visual_info, GLX_EXT_visual_rating, 
+     GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_OML_swap_method, 
+     GLX_SGI_make_current_read, GLX_SGIS_multisample, GLX_SGIX_hyperpipe, 
+     GLX_SGIX_swap_barrier, GLX_SGIX_fbconfig, GLX_MESA_copy_sub_buffer
+ client glx vendor string: 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 version: 1.2
+ 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_SGI_make_current_read, 
+     GLX_SGI_video_sync, GLX_SGIS_multisample, GLX_SGIX_fbconfig
+ OpenGL vendor string: Tungsten Graphics, Inc
+ OpenGL renderer string: Mesa DRI Intel(R) 915G 20050225
+ OpenGL version string: 1.3 Mesa 6.5.1
+ OpenGL extensions:
+     GL_ARB_depth_texture, GL_ARB_fragment_program, GL_ARB_imaging, 
+     GL_ARB_multisample, GL_ARB_multitexture, GL_ARB_point_parameters, 
+     GL_ARB_shadow, GL_ARB_texture_border_clamp, GL_ARB_texture_compression, 
+     GL_ARB_texture_cube_map, GL_ARB_texture_env_add, 
+     GL_ARB_texture_env_combine, GL_ARB_texture_env_dot3, 
+     GL_ARB_texture_mirrored_repeat, GL_ARB_texture_rectangle, 
+     GL_ARB_transpose_matrix, GL_ARB_vertex_buffer_object, 
+     GL_ARB_vertex_program, GL_ARB_window_pos, GL_EXT_abgr, GL_EXT_bgra, 
+     GL_EXT_blend_color, GL_EXT_blend_equation_separate, 
+     GL_EXT_blend_func_separate, GL_EXT_blend_minmax, GL_EXT_blend_subtract, 
+     GL_EXT_clip_volume_hint, GL_EXT_cull_vertex, 
GL_EXT_compiled_vertex_array, 
+     GL_EXT_convolution, GL_EXT_copy_texture, GL_EXT_draw_range_elements, 
+     GL_EXT_fog_coord, GL_EXT_histogram, GL_EXT_multi_draw_arrays, 
+     GL_EXT_packed_pixels, GL_EXT_point_parameters, GL_EXT_polygon_offset, 
+     GL_EXT_rescale_normal, GL_EXT_secondary_color, 
+     GL_EXT_separate_specular_color, GL_EXT_shadow_funcs, GL_EXT_stencil_wrap, 
+     GL_EXT_subtexture, GL_EXT_texture, GL_EXT_texture3D, 
+     GL_EXT_texture_edge_clamp, GL_EXT_texture_env_add, 
+     GL_EXT_texture_env_combine, GL_EXT_texture_env_dot3, 
+     GL_EXT_texture_filter_anisotropic, GL_EXT_texture_lod_bias, 
+     GL_EXT_texture_object, GL_EXT_texture_rectangle, GL_EXT_vertex_array, 
+     GL_3DFX_texture_compression_FXT1, GL_APPLE_client_storage, 
+     GL_APPLE_packed_pixels, GL_ATI_blend_equation_separate, 
+     GL_IBM_rasterpos_clip, GL_IBM_texture_mirrored_repeat, 
+     GL_INGR_blend_func_separate, GL_MESA_pack_invert, GL_MESA_ycbcr_texture, 
+     GL_MESA_window_pos, GL_NV_blend_square, GL_NV_light_max_exponent, 
+     GL_NV_texture_rectangle, GL_NV_texgen_reflection, GL_NV_vertex_program, 
+     GL_NV_vertex_program1_1, GL_OES_read_format, GL_SGI_color_matrix, 
+     GL_SGI_color_table, GL_SGIS_generate_mipmap, 
GL_SGIS_texture_border_clamp, 
+     GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod, GL_SGIX_depth_texture, 
+     GL_SUN_multi_draw_arrays
+ glu version: 1.3
+ glu extensions:
+     GLU_EXT_nurbs_tessellator, GLU_EXT_object_space_tess
+ 
+    visual  x  bf lv rg d st colorbuffer ax dp st accumbuffer  ms  cav
+  id dep cl sp sz l  ci b ro  r  g  b  a bf th cl  r  g  b  a ns b eat
+ ----------------------------------------------------------------------
+ 0x23 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
+ 0x24 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
+ 0x25 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
+ 0x26 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
+ 0x27 24 tc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
+ 0x28 24 tc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
+ 0x29 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
+ 0x2a 24 tc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
+ 0x2b 24 dc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
+ 0x2c 24 dc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
+ 0x2d 24 dc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
+ 0x2e 24 dc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
+ 0x2f 24 dc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
+ 0x30 24 dc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
+ 0x31 24 dc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
+ 0x32 24 dc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
+ 0x5b 32 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 Ncon
+ 
+ ----------------------------------
  
  $ lspci
  00:00.0 Host bridge: Intel Corporation 915G/P/GV/GL/PL/910GL Express Memory 
Controller Hub (rev 04)
  00:02.0 VGA compatible controller: Intel Corporation 82915G/GV/910GL Express 
Chipset Family Graphics Controller (rev 04)
  00:02.1 Display controller: Intel Corporation 82915G Express Chipset Family 
Graphics Controller (rev 04)
  00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI 
Express Port 1 (rev 03)
  00:1c.1 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI 
Express Port 2 (rev 03)
  00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
USB UHCI #1 (rev 03)
  00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
USB UHCI #2 (rev 03)
  00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
USB UHCI #3 (rev 03)
  00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
USB UHCI #4 (rev 03)
  00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
USB2 EHCI Controller (rev 03)
  00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d3)
  00:1e.2 Multimedia audio controller: Intel Corporation 82801FB/FBM/FR/FW/FRW 
(ICH6 Family) AC'97 Audio Controller (rev 03)
  00:1f.0 ISA bridge: Intel Corporation 82801FB/FR (ICH6/ICH6R) LPC Interface 
Bridge (rev 03)
  00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
IDE Controller (rev 03)
  00:1f.2 IDE interface: Intel Corporation 82801FB/FW (ICH6/ICH6W) SATA 
Controller (rev 03)
  40:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5751 Gigabit 
Ethernet PCI Express (rev 01)

-- 
dri image corruption i810 driver in fullscreen 
https://launchpad.net/bugs/80925

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