PBuffer on Onyx2 Reality

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Christian Ernst (cnernst++at++immd9.informatik.uni-erlangen.de)
Thu, 04 Mar 1999 19:37:59 +0100


Hi all,

I'm trying to use the SGI PBuffers on different machines. I have read
the old messages from Dec 98, so that I know about the "Bad Alloc "
problem.
When I get the fbconfig list, I'm trying all configs till I'm successful
in
creating a pbuffer.
This works perfect on an Octain, an Indigo2 and an Onyx. But on an Onyx2
Reality I get no suitable pbuffer. On this machine I can only allocate
pbuffers with no depth buffer and R>=10/G>=10/B>=10, or with depth
buffer
and R>=10/G=0/B=0.

My attribute list for glXChooseFBConfigSGIX:
          attribList[] = {GLX_DRAWABLE_TYPE_SGIX, GLX_PBUFFER_BIT_SGIX,
                          GLX_RENDER_TYPE_SGIX, GLX_RGBA_BIT_SGIX,
                          GLX_RED_SIZE, 1,
                          GLX_GREEN_SIZE, 1,
                          GLX_BLUE_SIZE, 1,
                          GLX_ALPHA_SIZE, 0,
                          GLX_DEPTH_SIZE, 1,
                          None};

gfxinfo output:
---------------
Graphics board 0 is "KONAL" graphics.
        Managed (":0.0") 1280x1024
        Display has 2 channels
        2 GEs (of 2), occmask = 0x03
        4MB external BEF ram, 32bit path
        1 RM8 board (of 1) 1/0/0/0
        Texture Memory: 64MB/-/-/-
        Small pixel depth
        32K cmap
        Channel 0:
         Origin = (0,0)
         Video Output: 1280 pixels, 1024 lines, 72.00Hz
(1280x1024_72.vfo)

glxinfo output:
---------------
isplay: :0.0
server glx vendor string: SGI
server glx version string: 1.2 Irix 6.5
server glx extensions (GLX_):
    EXT_import_context, EXT_visual_info, EXT_visual_rating,
    SGI_make_current_read, SGI_swap_control, SGI_video_sync,
SGIS_multisample,
    SGIX_fbconfig, SGIX_pbuffer, SGIX_swap_barrier, SGIX_swap_group,
    SGIX_video_resize, SGIX_video_source.
client glx version 1.1
client glx extensions (GLX_):
    EXT_import_context, EXT_visual_info, EXT_visual_rating,
    SGI_make_current_read, SGI_swap_control, SGI_video_sync,
SGIS_multisample,
    SGIX_fbconfig, SGIX_pbuffer, SGIX_swap_barrier, SGIX_swap_group,
    SGIX_video_resize, SGIX_video_source.
OpenGL vendor string: SGI
OpenGL renderer string: IRE/S/1/64/2
OpenGL version string: 1.1 Irix 6.5
OpenGL extensions (GL_):
    EXT_abgr, EXT_blend_color, EXT_blend_logic_op, EXT_blend_minmax,
    EXT_blend_subtract, EXT_convolution, EXT_copy_texture,
EXT_histogram,
    EXT_packed_pixels, EXT_polygon_offset, EXT_subtexture, EXT_texture,
    EXT_texture3D, EXT_texture_object, EXT_vertex_array,
SGI_color_matrix,
    SGI_color_table, SGI_texture_color_table, SGIS_detail_texture,
    SGIS_fog_function, SGIS_multisample, SGIS_point_line_texgen,
    SGIS_point_parameters, SGIS_sharpen_texture,
SGIS_texture_edge_clamp,
    SGIS_texture_filter4, SGIS_texture_lod, SGIS_texture_select,
    SGIX_calligraphic_fragment, SGIX_clipmap, SGIX_fog_offset,
SGIX_instruments, SGIX_interlace, SGIX_ir_instrument1,
SGIX_flush_raster, SGIX_list_priority,
    SGIX_reference_plane, SGIX_shadow, SGIX_shadow_ambient, SGIX_sprite,
    SGIX_subdiv_patch, SGIX_texture_add_env, SGIX_texture_lod_bias,
    SGIX_texture_scale_bias, SGIX_depth_texture.
glu version: 1.2 Irix 6.5
glu extensions (GLU_):
    EXT_abgr, EXT_nurbs_tessellator, EXT_object_space_tess,
EXT_packed_pixels,
    EXT_texture, SGI_filter4_parameters.

   visual x bf lv rg d st r g b a ax dp st accum buffs ms drwbl
fbc
 id dep cl sp sz l ci b ro sz sz sz sz bf th cl r g b a ns b type
id
-----------------------------------------------------------------------------
0x21 2 pc y 2 1 c . . . . . . . . . . . . . . . w|p
0x85
0x22 2 pc . 2 1 c . . . . . . . . . . . . . . . w|p
0x86
0x23 4 pc y 4 1 c . . . . . . . . . . . . . . . w|p
0x87
0x24 4 pc . 4 1 c . . . . . . . . . . . . . . . w|p
0x88
0x25 8 pc . 8 . c . . . . . . . 32 8 . . . . . . w|p|P
0x89
0x2b 8 pc y 8 1 c . . . . . . . . . . . . . . . w|p
0x8a
0x2c 8 pc . 8 1 c . . . . . . . . . . . . . . . w|p
0x8b
0x32 12 pc . 12 . b . . 16 . . 16 . . . . . . . . . w|p|P
0x8c
0x33 12 pc . 12 . b y . 16 . . 16 . . . . . . . . . w|p|P
0x8d
0x34 12 pc . 12 . b y . 16 . . 16 . 31 1 . . . . . . w|p|P
0x8e
0x35 12 pc . 12 . b . y 16 . . 16 . . . . . . . . . w|p|P
0x8f
0x36 12 pc . 12 . b y y 16 . . 16 . . . . . . . . . w|p|P
0x90
0x37 12 pc . 12 . b . . 16 . . 16 . 32 8 32 . . 32 . . w|p|P
0x91
0x38 12 pc . 12 . b . y 16 . . 16 . 32 8 . . . . . . w|p|P
0x92
0x39 12 pc . 12 . b y . 16 . . 16 1 32 8 32 . . 32 . . w|p|P
0x93
0x3a 12 pc . 12 . b . y 16 . . 16 . 32 8 32 . . 32 . . w|p|P
0x94
0x3b 12 pc . 12 . b . y 16 . . 16 . 31 1 32 . . 32 . . w|p|P
0x95
0x3c 12 pc . 12 . b . y 16 . . 16 . 32 . 32 . . 32 . . w|p|P
0x96
0x3d 12 pc . 12 . b y y 16 . . 16 . 31 1 32 . . 32 . . w|p|P
0x97
0x3e 12 pc . 12 . b y y 16 . . 16 . 32 . 32 . . 32 . . w|p|P
0x98
0x3f 12 pc . 12 . b y y 16 . . 16 1 . . 32 . . 32 . . w|p|P
0x99
0x40 12 pc . 12 . b y y 16 . . 16 1 32 8 . . . . . . w|p|P
0x9a
0x41 15 tc y 16 1 r . . 5 5 5 1 . . . . . . . . . w|p
0x9b
0x42 15 tc . 16 1 r . . 5 5 5 1 . . . . . . . . . w|p
0x9c
0x43 16 sg . 16 . r . . 16 . . 16 . . . . . . . . . w|p|P
0x9d
0x44 16 sg . 16 . r y . 16 . . 16 . . . . . . . . . w|p|P
0x9e
0x45 16 sg . 16 . r y . 16 . . 16 . 31 1 . . . . . . w|p|P
0x9f
0x46 16 sg . 16 . r . y 16 . . 16 . . . . . . . . . w|p|P
0xa0
0x47 16 sg . 16 . r y y 16 . . 16 . . . . . . . . . w|p|P
0xa1
0x48 16 sg . 16 . r . . 16 . . 16 . 32 8 32 . . 32 . . w|p|P
0xa2
-----------------------------------------------------------------------------
 id dep cl xp bs lv rg d st rb gb bb ab ax dp st ar ag ab aa ms,b drtyp
fid
-----------------------------------------------------------------------------
0x49 16 sg . 16 . r . y 16 . . 16 . 32 8 . . . . . . w|p|P
0xa3
0x4a 16 sg . 16 . r y . 16 . . 16 1 32 8 32 . . 32 . . w|p|P
0xa4
0x4b 16 sg . 16 . r . y 16 . . 16 . 32 8 32 . . 32 . . w|p|P
0xa5
0x4c 16 sg . 16 . r . y 16 . . 16 . 31 1 32 . . 32 . . w|p|P
0xa6
0x4d 16 sg . 16 . r . y 16 . . 16 . 32 . 32 . . 32 . . w|p|P
0xa7
0x4e 16 sg . 16 . r y y 16 . . 16 . 31 1 32 . . 32 . . w|p|P
0xa8
0x4f 16 sg . 16 . r y y 16 . . 16 . 32 . 32 . . 32 . . w|p|P
0xa9
0x50 16 sg . 16 . r y y 16 . . 16 1 . . 32 . . 32 . . w|p|P
0xaa
0x51 16 sg . 16 . r y y 16 . . 16 1 32 8 . . . . . . w|p|P
0xab
0x52 24 tc . 48 . r . . 12 12 12 12 . . . . . . . . . w|p|P
0xac
0x53 24 tc . 48 . r y . 12 12 12 12 . . . . . . . . . w|p|P
0xad
0x54 24 tc . 48 . r y . 12 12 12 12 . 31 1 . . . . . . w|p|P
0xae
0x55 24 tc . 48 . r . . 12 12 12 12 . 32 8 . . . . . . w|p|P
0xaf
0x56 24 tc . 48 . r . y 12 12 12 12 . . . . . . . . . w|p|P
0xb0
0x57 24 tc . 48 . r y y 12 12 12 12 . . . . . . . . . w|p|P
0xb1
0x58 24 tc . 48 . r . . 12 12 12 12 . 31 1 32 32 32 32 . . w|p|P
0xb2
0x59 24 tc . 48 . r . . 12 12 12 12 . 32 . 32 32 32 32 . . w|p|P
0xb3
0x5a 24 tc . 48 . r . . 12 12 12 12 . . . 32 32 32 32 . . w|p|P
0xb4
0x5b 24 tc . 48 . r y . 12 12 12 12 . . . 32 32 32 32 . . w|p|P
0xb5
0x5c 24 tc . 48 . r y . 12 12 12 12 1 32 8 . . . . . . w|p|P
0xb6
0x5d 24 tc . 48 . r . y 12 12 12 12 . 32 8 . . . . . . w|p|P
0xb7
0x5e 24 tc . 48 . r . y 12 12 12 12 . 31 1 . . . . . . w|p|P
0xb8
0x5f 24 tc . 48 . r . y 12 12 12 12 . 32 . . . . . . . w|p|P
0xb9
0x60 24 tc . 48 . r y y 12 12 12 12 . 31 1 . . . . . . w|p|P
0xba
0x61 24 tc . 48 . r y y 12 12 12 12 . 32 . . . . . . . w|p|P
0xbb
0x63 30 tc . 30 . r . . 10 10 10 . . . . . . . . . . w|p|P
0xbc
0x64 30 tc . 30 . r y . 10 10 10 . . . . . . . . . . w|p|P
0xbd
0x65 30 tc . 30 . r y . 10 10 10 . . 31 1 . . . . . . w|p|P
0xbe
0x66 30 tc . 30 . r . y 10 10 10 . . . . . . . . . . w|p|P
0xbf
0x67 30 tc . 30 . r y y 10 10 10 . . . . . . . . . . w|p|P
0xc0
-----------------------------------------------------------------------------
 id dep cl xp bs lv rg d st rb gb bb ab ax dp st ar ag ab aa ms,b drtyp
fid
-----------------------------------------------------------------------------
0x68 30 tc . 30 . r . . 10 10 10 . . . . . . . . 4 1 w|p
0xc1
0x69 30 tc . 30 . r y . 10 10 10 . 1 . . . . . . 4 1 w|p
0xc2
0x6a 30 tc . 30 . r . y 10 10 10 . . 32 8 . . . . . . w|p|P
0xc3
0x6b 30 tc . 30 . r . . 10 10 10 . . . . 32 32 32 . 4 1 w|p
0xc4
0x6c 30 tc . 30 . r . . 10 10 10 . . 15 1 . . . . 4 1 w|p
0xc5
0x6d 30 tc . 30 . r . . 10 10 10 . . 16 . . . . . 4 1 w|p
0xc6
0x6e 30 tc . 30 . r . . 10 10 10 . . 32 8 32 32 32 . . . w|p|P
0xc7
0x6f 30 tc . 30 . r y . 10 10 10 . . 15 1 . . . . 4 1 w|p
0xc8
0x70 30 tc . 30 . r y . 10 10 10 . . 16 . . . . . 4 1 w|p
0xc9
0x71 30 tc . 30 . r y . 10 10 10 . . 32 8 32 32 32 . . . w|p|P
0xca
0x72 30 tc . 30 . r y . 10 10 10 . 1 31 1 32 32 32 . . . w|p|P
0xcb
0x73 30 tc . 30 . r y . 10 10 10 . 1 32 . 32 32 32 . . . w|p|P
0xcc
0x74 30 tc . 30 . r . y 10 10 10 . . 31 1 32 32 32 . . . w|p|P
0xcd
0x75 30 tc . 30 . r . y 10 10 10 . . 32 . 32 32 32 . . . w|p|P
0xce
0x76 30 tc . 30 . r . y 10 10 10 . . . . . . . . 4 1 w|p
0xcf
0x77 30 tc . 30 . r . y 10 10 10 . . . . 32 32 32 . . . w|p|P
0xd0
0x78 30 tc . 30 . r y y 10 10 10 . . . . . . . . 4 1 w|p
0xd1
0x79 30 tc . 30 . r y y 10 10 10 . . . . 32 32 32 . . . w|p|P
0xd2
0x7a 30 tc . 30 . r y y 10 10 10 . 1 32 8 . . . . . . w|p|P
0xd3

Can someone help me with my problem?

-- 

Kind regards

Christian Ernst

======================================================================== (Computer Science Student - University of Erlangen/Germany) e-mail: cnernst++at++cip.informatik.uni-erlangen.de ========================================================================


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