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SIGPIPE error with OpenGL
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 SIGPIPE error with OpenGL - Nov. 18, '05, 12:12:26 PM
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asfoster
Posts: 34
Joined: Oct. 18, '05,
From: Lincolnshire UK
Status: offline
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I am getting a SIGPIPE error in my OpenGL app when trying to display large texture maps. At first I thought that this was an Exceed problem so I set the display to a Linux XServer and unexpectedly got the same problem. Does anyone have any suggestions?
Here is the backtrace from gdb...
Program received signal SIGPIPE, Broken pipe.
0x7c90eb94 in ?? () at /tmp/cczLMK6t.s:33
33 /tmp/cczLMK6t.s: No such file or directory.
in /tmp/cczLMK6t.s
Current language: auto; currently asm
(gdb) bt
#0 0x7c90eb94 in ?? () at /tmp/cczLMK6t.s:33
#1 0x77ea8ced in ?? () at /tmp/cczLMK6t.s:33
#2 0x77dbf2c3 in writev () at /tmp/cczLMK6t.s:33
#3 0x778efba1 in _X11TransSocketWritev () at /tmp/cczLMK6t.s:33
#4 0x778f01b8 in _X11TransWritev () at /tmp/cczLMK6t.s:33
#5 0x778d9308 in _XSend () at /tmp/cczLMK6t.s:33
#6 0x00601883 in __glXSendLargeCommand ()
#7 0x005fecea in SendLargeImage ()
#8 0x005ff460 in glTexImage2D ()
#9 0x005e8948 in gluBuild2DMipmapLevelsCore ()
#10 0x005e9d27 in gluBuild2DMipmaps ()
#11 0x01b5b7bb in bogl__BuildMipmaps () at /tmp/cczLMK6t.s:12
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RE: SIGPIPE error with OpenGL - Nov. 21, '05, 3:23:47 AM
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asfoster
Posts: 34
Joined: Oct. 18, '05,
From: Lincolnshire UK
Status: offline
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Following on from the previous posting:
We routinely use very large 2D texturemaps. It looks like the error is ocurring during the generation of the texture mipmaps. I really need a solution to this as it could throw the Interix port of our app onto the back-burner which would be a greate disservice since everything else has been going really well.
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RE: SIGPIPE error with OpenGL - Nov. 21, '05, 11:42:40 AM
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Rodney
Posts: 3142
Joined: Jul. 9, '02,
From: /Tools lab
Status: online
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The OpenGL product is supported through <support@interopsystems.com> rather than the Forums.
Exceed does have problems by default with images bigger than 512 by 512 bits until a registry entry is adjusted, but
that just results in a non-correct image.
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