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| author | Radosław Kujawa <radoslaw.kujawa@c0ff33.net> | 2026-07-17 14:54:32 +0200 |
|---|---|---|
| committer | Radosław Kujawa <radoslaw.kujawa@c0ff33.net> | 2026-07-17 14:54:32 +0200 |
| commit | 2702c90d7a39fca2a3319c5e915fd290cb31fc70 (patch) | |
| tree | 283c4d851efef7e3a7cd03ba80c87e2bffcdbb2c /docs/debugging.html | |
| parent | 836167945ec2c7ad5acdf0aa17ce35ec1b9428a6 (diff) | |
Initial import.
Diffstat (limited to 'docs/debugging.html')
| -rw-r--r-- | docs/debugging.html | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/docs/debugging.html b/docs/debugging.html new file mode 100644 index 0000000..cdefa7d --- /dev/null +++ b/docs/debugging.html @@ -0,0 +1,36 @@ +<HTML> + +<TITLE>Debugging Tips</TITLE> + +<BODY text="#000000" bgcolor="#55bbff" link="#111188"> + +<H1>Debugging Tips</H1> + +<p> + Normally Mesa (and OpenGL) records but does not notify the user of + errors. It is up to the application to call + <code>glGetError</code> to check for errors. Mesa supports an + environment variable, MESA_DEBUG, to help with debugging. If + MESA_DEBUG is defined, a message will be printed to stdout whenever + an error occurs. +</p> + +<p> + More extensive error checking is done when Mesa is compiled with the + DEBUG symbol defined. You'll have to edit the Make-config file and + add -DDEBUG to the CFLAGS line for your system configuration. You may + also want to replace any optimization flags with the -g flag so you can + use your debugger. After you've edited Make-config type 'make clean' + before recompiling. +</p> +<p> + In your debugger you can set a breakpoint in _mesa_error() to trap Mesa + errors. +</p> +<p> + There is a display list printing/debugging facility. See the end of + src/dlist.c for details. +</p> + +</BODY> +</HTML> |