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TRACE PIPE DRIVER
= About =
This directory contains a Gallium3D trace debugger pipe driver.
It can traces all incoming calls.
= Build Instructions =
To build, invoke scons on the top dir as
scons dri=no statetrackers=mesa winsys=xlib
= Usage =
To use do
export LD_LIBRARY_PATH=$PWD/build/linux-x86-debug/lib
ensure the right libGL.so is being picked by doing
ldd progs/trivial/tri
== Tracing ==
For tracing then do
GALLIUM_TRACE=tri.trace progs/trivial/tri
which should create a tri.trace file, which is an XML file. You can view copying
trace.xsl to the same directory, and opening with a XSLT capable browser such as
Firefox or Internet Explorer.
== Remote debugging ==
For remote debugging see:
src/gallium/drivers/rbug/README
= Integrating =
You can integrate the trace pipe driver either inside the state tracker or the
target. The procedure on both cases is the same. Let's assume you have a
pipe_screen obtained by the usual means (variable and function names are just
for illustration purposes):
real_screen = real_screen_create(...);
The trace screen is then created by doing
trace_screen = trace_screen_create(real_screen);
You can then simply use trace_screen instead of real_screen.
You can create as many contexts you wish from trace_screen::context_create they
are automatically wrapped by trace_screen.
--
Jose Fonseca <jrfonseca@tungstengraphics.com>
Jakob Bornecrantz <jakob@vmware.com>
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