🚀 go-pugleaf

Hello! All

I am using a program with Gl on Indog2 or Octane, Irix 5.3, 6.3 and 6.5, a
part of which is a stencil function shown in the end of this mail.

This does not however run well at stencil function.
Appreciate any suggestion to fix it.

Thanks in advance

Nagata Shojiro

-----------the trace of messages from O2
komo2 4% xwininfo

xwininfo: Please select the window about which you
          would like information by clicking the
          mouse in that window.

xwininfo: Window id: 0x3000009 "Binocular-Stereo-Fusion-Test-Chart by
NAGATA,Shojiro(InterVision)/NHK Ver.6 1993,1998"

  Absolute upper-left X:  490
  Absolute upper-left Y:  94
  Relative upper-left X:  0
  Relative upper-left Y:  0
  Width: 1264
  Height: 984
  Depth: 8
  Visual id: 0x20
  Visual Class: PseudoColor
  Border width: 0
  Class: InputOutput
  Colormap: 0x39 (installed)
  Bit Gravity State: StaticGravity
  Window Gravity State: NorthWestGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsViewable
  Override Redirect State: no
  Corners:  +490+94  --474+94  --474--54  +490--54
  -geometry 1264x984+482+62

komo2 6% glxinfo
display: :0.0
server glx vendor string: SGI
server glx version string: 1.1 Irix 6.3
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_dm_pbuffer, SGIX_fbconfig, SGIX_pbuffer, 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_dm_pbuffer, SGIX_fbconfig, SGIX_pbuffer, SGIX_video_resize,
    SGIX_video_source.
OpenGL vendor string: SGI
OpenGL renderer string: CRIME
OpenGL version string: 1.0 Irix 6.3
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_texture_edge_clamp,
    SGIX_interlace, SGIX_texture_scale_bias.

   visual  x  bf lv rg d st  r  g  b a  ax dp st accum buffs  ms
 id dep cl sp sz l  ci b ro sz sz sz sz bf th cl  r  g  b  a ns b
---------------------------------------------------
0x20  8 pc  .  8  . c  .  .  .  .  .  .  .  .  .  .  .  .  .  . .
0x21  8 pc  .  8  . c  .  .  .  .  .  .  . 24  8  .  .  .  .  . .
0x23  8 tc  .  8  . r  .  .  3  3  2  .  .  .  . 16 16 16 16  . .
0x24  8 tc  .  8  . r  .  .  3  3  2  .  . 24  8 16 16 16 16  . .
0x25  8 pc  y  8  1 c  .  .  .  .  .  .  .  .  .  .  .  .  .  . .
0x26 12 pc  . 12  . c  .  .  .  .  .  .  .  .  .  .  .  .  .  . .
0x27 12 pc  . 12  . c  .  .  .  .  .  .  . 24  8  .  .  .  .  . .
0x28 12 pc  . 12  . c  y  .  .  .  .  .  .  .  .  .  .  .  .  . .
0x29 12 pc  . 12  . c  y  .  .  .  .  .  . 24  8  .  .  .  .  . .
0x2a 15 tc  . 15  . r  .  .  5  5  5  .  .  .  . 16 16 16 16  . .
0x2b 15 tc  . 16  . r  .  .  5  5  5  1  .  .  . 16 16 16 16  . .
0x2c 15 tc  . 15  . r  .  .  5  5  5  .  . 24  8 16 16 16 16  . .
0x2d 15 tc  . 16  . r  .  .  5  5  5  1  . 24  8 16 16 16 16  . .
0x2f 24 tc  . 24  . r  .  .  8  8  8  .  .  .  . 16 16 16 16  . .
0x30 24 tc  . 24  . r  .  .  8  8  8  .  . 24  8 16 16 16 16  . .
0x31 24 tc  . 32  . r  .  .  8  8  8  8  .  .  . 16 16 16 16  . .
0x32 24 tc  . 32  . r  .  .  8  8  8  8  . 24  8 16 16 16 16  . .
0x34 24 tc  . 24  . r  y  .  8  8  8  .  .  .  . 16 16 16 16  . .
0x35 24 tc  . 24  . r  y  .  8  8  8  .  . 24  8 16 16 16 16  . .
0x36 24 tc  . 32  . r  y  .  8  8  8  8  .  .  . 16 16 16 16  . .
0x37 24 tc  . 32  . r  y  .  8  8  8  8  . 24  8 16 16 16 16  . .
0xffffffff -1 ??  .  8  . r  .  .  8  .  .  .  .  .  .  .  .  .  .  . .
0xffffffff -1 ??  . 16  . r  .  . 16  .  .  .  .  .  .  .  .  .  .  . .
0xffffffff -1 ??  . 64  . r  .  . 16 16 16 16  .  .  .  .  .  .  .  . .
komo2 7%----end

----from here, my program
void
lpatdraw(){  
  static   int gid2, j;
  static   long   vert1[2],vert2[2], xscrmax=1000, yscrmax=1000;

     prefposition(0.0, xscrmax, 0.0, yscrmax);
     gid2= winopen(" stencil pattern");
     ortho2( 0.0, xscrmax, 0.0, yscrmax);
     stensize(1);  sclear(0x00);     subpixel(1);
     stencil(TRUE, 0x1,SF_ALWAYS,0x1,ST_REPLACE,ST_REPLACE,ST_REPLACE);
     zfunction(ZF_NEVER); cpack(0x00); clear();
     vert1[0]= 0.0;  vert2[0]= xscrmax;
     for(j= 0; j<yscrmax; j+=2){  vert1[1]= vert2[1]= j;
          bgnline(); v2i(vert1); v2i(vert2); endline();
     }
    winclose(gid2); 
}
void stencilmask(int eye){
   if(eye==0){
     stencil(TRUE,0x1,SF_EQUAL,      0x1, ST_KEEP, ST_KEEP, ST_KEEP);}
   else if(eye==1){
     stencil(TRUE,0x1,SF_NOTEQUAL,0x1, ST_KEEP, ST_KEEP, ST_KEEP);}
} /* end*/