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trace: Update README

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Jakob Bornecrantz 2010-05-12 23:07:17 +01:00
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37
src/gallium/drivers/trace/README
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@ -3,15 +3,15 @@
= About =
This directory contains a Gallium3D debugger pipe driver.
It can traces all incoming calls and/or provide remote debugging functionality.
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 drivers=softpipe,i965simple,trace winsys=xlib
scons dri=no statetrackers=mesa winsys=xlib
= Usage =
@ -36,40 +36,27 @@ Firefox or Internet Explorer.
== Remote debugging ==
For remote debugging
For remote debugging see:
export XMESA_TRACE=y
GALLIUM_RBUG=true progs/trivial/tri
which should open gallium remote debugging session. While the program is running
you can launch the small remote debugging application from progs/rbug. More
information is in that directory.
src/gallium/drivers/rbug/README
= Integrating =
You can integrate the trace pipe driver either inside the state tracker or the
winsys. The procedure on both cases is the same. Let's assume you have a
pipe_screen and a pipe_context pair obtained by the usual means (variable and
function names are just for illustration purposes):
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(...);
real_context = real_context_create(...);
The trace screen and pipe_context is then created by doing
The trace screen is then created by doing
trace_screen = trace_screen_create(real_screen);
trace_context = trace_context_create(trace_screen, real_context);
You can then simply use trace_screen and trace_context instead of real_screen
and real_context.
Do not call trace_winsys_create. Simply pass trace_screen->winsys or
trace_context->winsys in places you would pass winsys.
You can then simply use trace_screen instead of real_screen.
You can create as many contexts you wish. Just ensure that you don't mistake
trace_screen with real_screen when creating them.
You can create as many contexts you wish from trace_screen::context_create they
are automatically wrapped by trace_screen.
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