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docs: drop custom envvar directive

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The custom envvar directive is strange. It overloads the global
namespace, where there's already a well-known envvar directive, but the
envvar role won't resolve to envvars defined using the custom directive.

It's not really critical to declare the type and default value here, and
many descriptions already include this. Let's just use the plain one,
and let the description take care of the details where needed.

Reviewed-by: Yonggang Luo <luoyonggang@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19593>
This commit is contained in:
Erik Faye-Lund
2022-11-08 10:24:07 +01:00
parent 864e658c0a
commit 4eef5628c8
5 changed files with 35 additions and 43 deletions
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40
docs/gallium/debugging.rst
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@@ -15,42 +15,42 @@ program from that console.
Common
""""""
.. envvar:: GALLIUM_PRINT_OPTIONS <bool> (false)
.. envvar:: GALLIUM_PRINT_OPTIONS
This option controls if the debug variables should be printed to stderr. This
is probably the most useful variable, since it allows you to find which
variables a driver uses.
This boolean option controls if the debug variables should be printed to
stderr. This is probably the most useful variable, since it allows you to
find which variables a driver uses.
.. envvar:: GALLIUM_TRACE <string> ("")
.. envvar:: GALLIUM_TRACE
If set, this variable will cause the :ref:`trace` output to be written to the
specified file. Paths may be relative or absolute; relative paths are relative
to the working directory. For example, setting it to "trace.xml" will cause
the trace to be written to a file of the same name in the working directory.
.. envvar:: GALLIUM_TRACE_TC <bool> (false)
.. envvar:: GALLIUM_TRACE_TC
If enabled while :ref:`trace` is active, this variable specifies that the threaded context
should be traced for drivers which implement it. By default, the driver thread is traced,
which will include any reordering of the command stream from threaded context.
.. envvar:: GALLIUM_TRACE_TRIGGER <string> ("")
.. envvar:: GALLIUM_TRACE_TRIGGER
If set while :ref:`trace` is active, this variable specifies a filename to monitor.
Once the file exists (e.g., from the user running 'touch /path/to/file'), a single
frame will be recorded into the trace output.
Paths may be relative or absolute; relative paths are relative to the working directory.
.. envvar:: GALLIUM_DUMP_CPU <bool> (false)
.. envvar:: GALLIUM_DUMP_CPU
Dump information about the current CPU that the driver is running on.
Enable dumping of information about the current CPU that the driver is running on.
.. envvar:: TGSI_PRINT_SANITY <bool> (false)
.. envvar:: TGSI_PRINT_SANITY
Gallium has a built-in shader sanity checker. This option controls whether
the shader sanity checker prints its warnings and errors to stderr.
Gallium has a built-in shader sanity checker. This boolean option controls
whether the shader sanity checker prints its warnings and errors to stderr.
.. envvar:: DRAW_USE_LLVM <bool> (false)
.. envvar:: DRAW_USE_LLVM
Whether the :ref:`Draw` module will attempt to use LLVM for vertex and geometry shaders.
@@ -58,7 +58,7 @@ Common
GL State tracker-specific
"""""""""""""""""""""""""
.. envvar:: ST_DEBUG <flags> (0x0)
.. envvar:: ST_DEBUG
Debug :ref:`flags` for the GL state tracker.
@@ -66,27 +66,27 @@ GL State tracker-specific
Driver-specific
"""""""""""""""
.. envvar:: I915_DEBUG <flags> (0x0)
.. envvar:: I915_DEBUG
Debug :ref:`flags` for the i915 driver.
.. envvar:: I915_NO_HW <bool> (false)
.. envvar:: I915_NO_HW
Stop the i915 driver from submitting commands to the hardware.
.. envvar:: I915_DUMP_CMD <bool> (false)
.. envvar:: I915_DUMP_CMD
Dump all commands going to the hardware.
.. envvar:: LP_DEBUG <flags> (0x0)
.. envvar:: LP_DEBUG
Debug :ref:`flags` for the LLVMpipe driver.
.. envvar:: LP_NUM_THREADS <int> (number of CPUs)
.. envvar:: LP_NUM_THREADS
Number of threads that the LLVMpipe driver should use.
.. envvar:: FD_MESA_DEBUG <flags> (0x0)
.. envvar:: FD_MESA_DEBUG
Debug :ref:`flags` for the Freedreno driver.