[GRASS-dev] Re: [GRASS GIS] #104: saving display to tiff or ppm garbled when NVIZ is not top window

William Kyngesburye woklist at kyngchaos.com
Sun Mar 30 14:18:27 EDT 2008


On Mar 29, 2008, at 3:52 AM, Glynn Clements wrote:

> Post all of the output (xdpyinfo, glxinfo, nviz).
>
(I figured I should also drag the NVIZ window partially offscreen for  
the test)

OSX 10.5.2, Core 2 Duo, Intel integrated GMA950 graphics
OpenGL 1.2, so I could only test pixmap
X11R7
GRASS SVN trunk

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name of display:    /tmp/launch-jYmVH4/:0
version number:    11.0
vendor string:    The X.Org Foundation
vendor release number:    10300000
X.Org version: 1.3.0
maximum request size:  16777212 bytes
motion buffer size:  0
bitmap unit, bit order, padding:    32, LSBFirst, 32
image byte order:    LSBFirst
number of supported pixmap formats:    7
supported pixmap formats:
    depth 1, bits_per_pixel 1, scanline_pad 32
    depth 4, bits_per_pixel 8, scanline_pad 32
    depth 8, bits_per_pixel 8, scanline_pad 32
    depth 15, bits_per_pixel 16, scanline_pad 32
    depth 16, bits_per_pixel 16, scanline_pad 32
    depth 24, bits_per_pixel 32, scanline_pad 32
    depth 32, bits_per_pixel 32, scanline_pad 32
keycode range:    minimum 8, maximum 255
focus:  PointerRoot
number of extensions:    29
    Apple-DRI
    Apple-WM
    BIG-REQUESTS
    DAMAGE
    DEC-XTRAP
    DOUBLE-BUFFER
    DPMS
    Extended-Visual-Information
    GLX
    MIT-SCREEN-SAVER
    MIT-SHM
    MIT-SUNDRY-NONSTANDARD
    RECORD
    RENDER
    SECURITY
    SGI-GLX
    SHAPE
    SYNC
    TOG-CUP
    X-Resource
    XAccessControlExtension
    XC-APPGROUP
    XC-MISC
    XFIXES
    XINERAMA
    XInputExtension
    XKEYBOARD
    XTEST
    XVideo
default screen number:    0
number of screens:    1

screen #0:
  print screen:    no
  dimensions:    1280x778 pixels (433x263 millimeters)
  resolution:    75x75 dots per inch
  depths (7):    24, 1, 4, 8, 15, 16, 32
  root window id:    0x3f
  depth of root window:    24 planes
  number of colormaps:    minimum 1, maximum 1
  default colormap:    0x21
  default number of colormap cells:    256
  preallocated pixels:    black 0, white 16777215
  options:    backing-store NO, save-unders NO
  largest cursor:    32x32
  current input event mask:    0x0
  number of visuals:    4
  default visual id:  0x23
  visual:
    visual id:    0x23
    class:    TrueColor
    depth:    24 planes
    available colormap entries:    256 per subfield
    red, green, blue masks:    0xff0000, 0xff00, 0xff
    significant bits in color specification:    8 bits
  visual:
    visual id:    0x24
    class:    TrueColor
    depth:    24 planes
    available colormap entries:    256 per subfield
    red, green, blue masks:    0xff0000, 0xff00, 0xff
    significant bits in color specification:    8 bits
  visual:
    visual id:    0x25
    class:    TrueColor
    depth:    24 planes
    available colormap entries:    256 per subfield
    red, green, blue masks:    0xff0000, 0xff00, 0xff
    significant bits in color specification:    8 bits
  visual:
    visual id:    0x26
    class:    TrueColor
    depth:    24 planes
    available colormap entries:    256 per subfield
    red, green, blue masks:    0xff0000, 0xff00, 0xff
    significant bits in color specification:    8 bits
GRASS 6.3.svn (spearfish60):~ > glxinfo
name of display: /tmp/launch-jYmVH4/:0
display: /tmp/launch-jYmVH4/: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_SGIX_fbconfig, GLX_MESA_copy_sub_buffer
client glx vendor string: SGI
client glx version string: 1.2
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_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_visual_select_group
GLX extensions:
    GLX_ARB_get_proc_address, GLX_EXT_import_context, GLX_EXT_visual_info, 
    GLX_EXT_visual_rating
OpenGL vendor string: Intel Inc.
OpenGL renderer string: Intel GMA 950 OpenGL Engine
OpenGL version string: 1.2 APPLE-1.5.18
OpenGL extensions:
    GL_ARB_transpose_matrix, GL_ARB_vertex_program, GL_ARB_vertex_blend, 
    GL_ARB_window_pos, GL_ARB_shader_objects, GL_ARB_vertex_shader, 
    GL_EXT_multi_draw_arrays, GL_EXT_clip_volume_hint, GL_EXT_rescale_normal, 
    GL_EXT_draw_range_elements, GL_EXT_fog_coord, 
    GL_EXT_gpu_program_parameters, GL_APPLE_client_storage, 
    GL_APPLE_specular_vector, GL_APPLE_transform_hint, GL_APPLE_packed_pixels, 
    GL_APPLE_fence, GL_APPLE_vertex_array_object, 
    GL_APPLE_vertex_program_evaluators, GL_APPLE_element_array, 
    GL_APPLE_flush_render, GL_APPLE_aux_depth_stencil, 
    GL_NV_texgen_reflection, GL_NV_light_max_exponent, GL_IBM_rasterpos_clip, 
    GL_SGIS_generate_mipmap, GL_ARB_shading_language_100, 
    GL_ARB_texture_border_clamp, GL_ARB_multitexture, GL_ARB_texture_env_add, 
    GL_ARB_texture_cube_map, GL_ARB_texture_env_dot3, 
    GL_ARB_texture_env_combine, GL_ARB_texture_compression, 
    GL_ARB_texture_mirrored_repeat, GL_ARB_shadow, GL_ARB_depth_texture, 
    GL_ARB_fragment_program, GL_ARB_fragment_program_shadow, 
    GL_ARB_fragment_shader, GL_ARB_point_sprite, 
    GL_ARB_texture_non_power_of_two, GL_ARB_vertex_buffer_object, 
    GL_ARB_pixel_buffer_object, GL_EXT_framebuffer_object, 
    GL_EXT_texture_rectangle, GL_ARB_texture_rectangle, 
    GL_EXT_texture_env_add, GL_EXT_blend_color, GL_EXT_blend_minmax, 
    GL_EXT_blend_subtract, GL_EXT_texture_lod_bias, GL_EXT_abgr, GL_EXT_bgra, 
    GL_EXT_stencil_wrap, GL_EXT_texture_filter_anisotropic, 
    GL_EXT_separate_specular_color, GL_EXT_secondary_color, 
    GL_EXT_blend_func_separate, GL_EXT_shadow_funcs, GL_EXT_stencil_two_side, 
    GL_EXT_texture_compression_s3tc, GL_EXT_texture_compression_dxt1, 
    GL_EXT_blend_equation_separate, GL_EXT_packed_depth_stencil, 
    GL_EXT_geometry_shader4, GL_APPLE_flush_buffer_range, GL_APPLE_ycbcr_422, 
    GL_APPLE_texture_range, GL_APPLE_pixel_buffer, GL_APPLE_object_purgeable, 
    GL_NV_blend_square, GL_ATI_texture_env_combine3, 
    GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod

   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
-------------- next part --------------


Save PPM:

Create PixMap Using GLX 1.1
Final Assembled Image will be 2048 x 2048
Writing Tile 1 of 9
Writing Tile 2 of 9
Writing Tile 3 of 9
Writing Tile 4 of 9
Writing Tile 5 of 9
Writing Tile 6 of 9
Writing Tile 7 of 9
Writing Tile 8 of 9
Writing Tile 9 of 9
Assembling Tiles
Destroy Context
Destroy GLXPixmap
Destroy Pixmap
glXSwapBuffers: no context for this drawable

PPM image is OK.

-----
William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
http://www.kyngchaos.com/

"We are at war with them. Neither in hatred nor revenge and with no  
particular pleasure I shall kill every ___ I can until the war is  
over. That is my duty."

"Don't you even hate 'em?"

"What good would it do if I did? If all the many millions of people of  
the allied nations devoted an entire year exclusively to hating the  
____ it wouldn't kill one ___ nor shorten the war one day."

<Ha, ha> "And it might give 'em all stomach ulcers."

- Tarzan, on war



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