[Mesa-dev] [PATCH 00/16]: Allow Gallium drivers to support driver-specific drirc options

Marek Olšák maraeo at gmail.com
Mon Jul 3 23:12:47 UTC 2017


For all patches except 5:

Reviewed-by: Marek Olšák <marek.olsak at amd.com>

For patch 5:

Acked-by: Marek Olšák <marek.olsak at amd.com>

Marek


On Fri, Jun 30, 2017 at 2:45 PM, Nicolai Hähnle <nhaehnle at gmail.com> wrote:
> From: Nicolai Hähnle <nicolai.haehnle at amd.com>
>
> Hi all,
>
> This is a big change to the drirc/xmlconfig framework, mostly on the
> Gallium side.
>
> The non-Gallium changes are:
> - xmlconfig is moved to src/util to better reflect how it is used going
>   forward
> - some glx/dri glue code
>
>
> Problem Statement
> -----------------
> We want to allow Gallium drivers to define and use their own drirc
> configuration options. This allows us to provide some more opportunities
> for performance tuning.
>
> This involves making the xmlconfig functions available to the Gallium
> drivers, but also allowing them to specify their own option definitions.
>
> There are two related types of XML in the drirc/xmlconfig framework:
> - the driconf XML is stored in the drirc file and contains settings
> - the driinfo XML describes available options and default values;
>   it is used inside the driver during drirc parsing, and is also
>   exported and used by the DriConf GUI (via the xdriinfo app)
>
> (The DriConf GUI tool has issues, but the fundamental principle of how it
> interacts with Mesa is sound, so this series doesn't change that.)
>
>
> Additional Goals
> ----------------
> 1. Allow non-OpenGL state trackers to define their own config options.
>    In particular, Nine should be easy to hook up after this series.
> 2. The full driinfo XML for the driver and all supported state trackers
>    should be provided by glXGetDriverConfig (and hence xdriinfo).
> 3. Ensure consistent initialization of driver options in radeonsi. Since
>    radeonsi has only a single pipe_screen per process and device, this
>    means that the config must be loaded e.g. when some video state tracker
>    initializes before OpenGL.
> 4. Make adding new options painless both for the state tracker and for the
>    driver.
> 5. Parse the drirc XML only once per process in the normal case.
> 6. Store only one copy of the driinfo XML per driver.
>
>
> Solution
> --------
> 1. The driinfo XML is optionally specified by the pipe driver, by means
>    of the drm_driver_descriptor, via a DRM_CONF_XML_OPTIONS query.
>    If the pipe driver doesn't specify it, the pipe loader provides the
>    default.
> 2. Parse the drirc XML in the pipe_loader and make the result available to
>    both the driver and the state tracker.
> 3. Add a tool that merges DRI_CONF_xxx macro definition groups at build time,
>    so that we don't have redundant definitions of state-tracker options.
> 4. Define a v2 of the DRI_ConfigOptions extension that allows us to forward
>    the driver-specific driinfo XML.
>
> Patches 1-5 are the non-Gallium parts.
>
> Patches 6-14 prepare the pipe loader and related infrastructure.
>
> Patches 15-16 setup the custom driinfo XML for radeonsi and add a first
> driver-specific config option.
>
> I iterated over the design a couple of times and am now fairly happy with
> it. One thing that's bound to be messy is the build system changes.
> The Android.mk and SCons changes are basically best guesses. If anybody
> wants to try the series, especially for build failures, please do. You can
> get it here: https://cgit.freedesktop.org/~nh/mesa/log/?h=driconf
>
> Please review!
> Thanks,
> Nicolai
> --
>  configure.ac                                       |   2 +-
>  include/GL/internal/dri_interface.h                |  20 +-
>  src/gallium/Automake.inc                           |   2 +
>  src/gallium/auxiliary/pipe-loader/Makefile.am      |   1 +
>  src/gallium/auxiliary/pipe-loader/Makefile.sources |   3 +-
>  .../auxiliary/pipe-loader/driinfo_gallium.h        |  34 ++++
>  src/gallium/auxiliary/pipe-loader/pipe_loader.c    |  61 +++++-
>  src/gallium/auxiliary/pipe-loader/pipe_loader.h    |  37 +++-
>  .../auxiliary/pipe-loader/pipe_loader_drm.c        | 130 ++++++------
>  .../auxiliary/pipe-loader/pipe_loader_priv.h       |  17 +-
>  src/gallium/auxiliary/pipe-loader/pipe_loader_sw.c |   5 +-
>  src/gallium/auxiliary/target-helpers/drm_helper.h  | 106 +++++++---
>  .../auxiliary/target-helpers/drm_helper_public.h   |  34 ++--
>  src/gallium/auxiliary/vl/vl_winsys_dri.c           |   2 +-
>  src/gallium/auxiliary/vl/vl_winsys_dri3.c          |   2 +-
>  src/gallium/auxiliary/vl/vl_winsys_drm.c           |   2 +-
>  src/gallium/drivers/r300/r300_public.h             |   4 +-
>  src/gallium/drivers/r300/r300_screen.c             |   3 +-
>  src/gallium/drivers/r600/r600_pipe.c               |   5 +-
>  src/gallium/drivers/r600/r600_public.h             |   4 +-
>  src/gallium/drivers/radeonsi/Makefile.am           |  13 ++
>  src/gallium/drivers/radeonsi/Makefile.sources      |   4 +
>  src/gallium/drivers/radeonsi/driinfo_radeonsi.h    |   4 +
>  src/gallium/drivers/radeonsi/si_pipe.c             |   8 +-
>  src/gallium/drivers/radeonsi/si_public.h           |   2 +-
>  src/gallium/include/pipe/p_screen.h                |  10 +
>  src/gallium/include/state_tracker/drm_driver.h     |   6 +-
>  src/gallium/state_trackers/clover/core/device.cpp  |   2 +-
>  src/gallium/state_trackers/dri/Makefile.am         |   2 +-
>  src/gallium/state_trackers/dri/dri2.c              |  28 +--
>  src/gallium/state_trackers/dri/dri_context.c       |   3 +-
>  src/gallium/state_trackers/dri/dri_screen.c        |  83 +-------
>  src/gallium/state_trackers/dri/dri_screen.h        |  10 +-
>  src/gallium/state_trackers/dri/drisw.c             |   6 +-
>  src/gallium/state_trackers/xa/xa_tracker.c         |   2 +-
>  src/gallium/targets/d3dadapter9/Makefile.am        |   1 -
>  src/gallium/targets/d3dadapter9/drm.c              |   8 +-
>  src/gallium/targets/pipe-loader/Makefile.am        |   1 +
>  src/gallium/targets/pipe-loader/pipe_i915.c        |   2 +-
>  src/gallium/targets/pipe-loader/pipe_msm.c         |   2 +-
>  src/gallium/targets/pipe-loader/pipe_nouveau.c     |   2 +-
>  src/gallium/targets/pipe-loader/pipe_r300.c        |   2 +-
>  src/gallium/targets/pipe-loader/pipe_r600.c        |   2 +-
>  src/gallium/targets/pipe-loader/pipe_radeonsi.c    |  11 +-
>  src/gallium/targets/pipe-loader/pipe_vmwgfx.c      |   2 +-
>  src/gallium/tests/trivial/compute.c                |   2 +-
>  src/gallium/tests/trivial/quad-tex.c               |   2 +-
>  src/gallium/tests/trivial/tri.c                    |   2 +-
>  src/gallium/winsys/amdgpu/drm/amdgpu_public.h      |   5 +-
>  src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c      |   4 +-
>  src/gallium/winsys/radeon/drm/radeon_drm_public.h  |   5 +-
>  src/gallium/winsys/radeon/drm/radeon_drm_winsys.c  |   4 +-
>  src/glx/dri_glx.c                                  | 113 +++++++++--
>  src/loader/Makefile.am                             |   4 +-
>  src/loader/loader.c                                |   4 +-
>  src/mesa/drivers/SConscript                        |   1 -
>  src/mesa/drivers/dri/Makefile.am                   |   2 +-
>  src/mesa/drivers/dri/common/Android.mk             |  48 +----
>  src/mesa/drivers/dri/common/Makefile.am            |  12 +-
>  src/mesa/drivers/dri/common/Makefile.sources       |   4 -
>  src/mesa/drivers/dri/common/SConscript             |   7 +-
>  src/mesa/drivers/dri/common/dri_util.c             |   2 +-
>  src/mesa/drivers/dri/common/dri_util.h             |   2 +-
>  src/mesa/drivers/dri/i915/Makefile.am              |   2 +-
>  src/mesa/drivers/dri/i915/intel_screen.c           |   2 +-
>  src/mesa/drivers/dri/i915/intel_screen.h           |   2 +-
>  src/mesa/drivers/dri/i965/Makefile.am              |   2 +-
>  src/mesa/drivers/dri/i965/intel_screen.c           |   2 +-
>  src/mesa/drivers/dri/i965/intel_screen.h           |   2 +-
>  src/mesa/drivers/dri/r200/Makefile.am              |   2 +-
>  src/mesa/drivers/dri/r200/r200_context.c           |   2 +-
>  src/mesa/drivers/dri/r200/r200_state_init.c        |   2 +-
>  src/mesa/drivers/dri/r200/r200_tex.c               |   2 +-
>  src/mesa/drivers/dri/radeon/Makefile.am            |   2 +-
>  .../drivers/dri/radeon/radeon_common_context.c     |   2 +-
>  src/mesa/drivers/dri/radeon/radeon_context.c       |   2 +-
>  src/mesa/drivers/dri/radeon/radeon_screen.c        |   2 +-
>  src/mesa/drivers/dri/radeon/radeon_screen.h        |   2 +-
>  src/mesa/drivers/dri/radeon/radeon_state_init.c    |   2 +-
>  src/mesa/drivers/dri/radeon/radeon_tex.c           |   2 +-
>  src/mesa/drivers/dri/radeon/radeon_texture.c       |   2 +-
>  src/mesa/drivers/dri/swrast/Makefile.am            |   2 +-
>  src/util/Android.mk                                |  47 ++++-
>  src/util/Makefile.am                               |  20 +-
>  src/util/Makefile.sources                          |   4 +
>  src/util/SConscript                                |  16 +-
>  src/{mesa/drivers/dri/common => util}/drirc        |   0
>  src/util/merge_driinfo.py                          | 222 +++++++++++++++++++++
>  src/{mesa/drivers/dri/common => util}/xmlconfig.c  |  10 +-
>  src/{mesa/drivers/dri/common => util}/xmlconfig.h  |   0
>  src/{mesa/drivers/dri/common => util}/xmlpool.h    |   0
>  .../drivers/dri/common => util}/xmlpool/.gitignore |   0
>  .../dri/common => util}/xmlpool/Makefile.am        |   0
>  .../drivers/dri/common => util}/xmlpool/SConscript |   0
>  .../drivers/dri/common => util}/xmlpool/ca.po      |   0
>  .../drivers/dri/common => util}/xmlpool/de.po      |   0
>  .../drivers/dri/common => util}/xmlpool/es.po      |   0
>  .../drivers/dri/common => util}/xmlpool/fr.po      |   0
>  .../dri/common => util}/xmlpool/gen_xmlpool.py     |   0
>  .../drivers/dri/common => util}/xmlpool/nl.po      |   0
>  .../drivers/dri/common => util}/xmlpool/sv.po      |   0
>  .../dri/common => util}/xmlpool/t_options.h        |   9 +
>  102 files changed, 907 insertions(+), 372 deletions(-)
>  create mode 100644 src/gallium/auxiliary/pipe-loader/driinfo_gallium.h
>  create mode 100644 src/gallium/drivers/radeonsi/driinfo_radeonsi.h
>  rename src/{mesa/drivers/dri/common => util}/drirc (100%)
>  create mode 100644 src/util/merge_driinfo.py
>  rename src/{mesa/drivers/dri/common => util}/xmlconfig.c (99%)
>  rename src/{mesa/drivers/dri/common => util}/xmlconfig.h (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool.h (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool/.gitignore (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool/Makefile.am (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool/SConscript (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool/ca.po (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool/de.po (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool/es.po (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool/fr.po (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool/gen_xmlpool.py (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool/nl.po (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool/sv.po (100%)
>  rename src/{mesa/drivers/dri/common => util}/xmlpool/t_options.h (98%)
>
> --
> 2.9.3
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