[Mesa-dev] [PATCH 0/8] GBM Graphics Buffer Manager

[Chia-I Wu]

On Wed, Jun 22, 2011 at 10:30 PM, Benjamin Franzke
<benjaminfranzke at googlemail.com> wrote:
> Hi List,
>
> This series adds a graphics buffer management library which is
> targeted to be used as native (drm) platform for egl on kms or openwfd,
> and thus replaces the current mechanism of using a fd as EGLNativeDisplay
> and EGL_MESA_drm_image to create buffers.
> GBM uses the mesas internal dri interface or acts as a gallium state tracker.
>
> The mapping to EGL types is:
>
> gbm_device - EGLNativeDisplayType
> gbm_bo     - EGLNativePixmapType / EGL_NATIVE_PIXMAP_KHR
>
> This integrates better with the idea of EGL, which assumes there is
> some kind of native library thats responsible for allocating buffers.
>
> We wanted to use libkms, but since that's explicitly designed to no
> support hw renderable buffers we have to go a different route.
The idea looks good to me in general.  But would it make sense to
replace st/gbm and targets/gdm by another backend that uses st/xa,
which is supposed to have a stable ABI, instead (currently only on
xa_branch)?
>
> Benjamin Franzke (8):
>  dri: Add dupImage to DRIimageExtension
>  intel: Implement DRIimageExtension::dupImage
>  st/dri: Implement DRIimageExtension::dupImage
>  Add gbm (generic/graphics buffer manager)
>  gbm: Add dri backend
>  gbm: Add gallium (drm) backend
>  egl_dri2: Hookup gbm as drm platform
>  st/egl: Hookup gbm for drm backend
>
>  Makefile                                           |   11 +
>  configs/autoconf.in                                |   10 +-
>  configs/default                                    |   14 +-
>  configure.ac                                       |   70 ++++
>  include/EGL/eglplatform.h                          |    6 +
>  include/GL/internal/dri_interface.h                |    2 +
>  src/egl/drivers/dri2/Makefile                      |    2 +
>  src/egl/drivers/dri2/egl_dri2.c                    |   76 +++--
>  src/egl/drivers/dri2/egl_dri2.h                    |   11 +
>  src/egl/drivers/dri2/platform_drm.c                |   99 ++++--
>  src/egl/main/Makefile                              |    4 +
>  src/gallium/state_trackers/dri/drm/dri2.c          |   19 +
>  src/gallium/state_trackers/egl/Makefile            |    3 +-
>  src/gallium/state_trackers/egl/common/egl_g3d.c    |   18 +-
>  src/gallium/state_trackers/egl/common/native.h     |    3 +
>  src/gallium/state_trackers/egl/drm/modeset.c       |   36 ++
>  src/gallium/state_trackers/egl/drm/native_drm.c    |   77 ++---
>  src/gallium/state_trackers/egl/drm/native_drm.h    |    4 +
>  src/gallium/state_trackers/gbm/Makefile            |   46 +++
>  src/gallium/state_trackers/gbm/gbm_drm.c           |  225 ++++++++++++
>  .../state_trackers/gbm/gbm_gallium_drmint.h        |   74 ++++
>  src/gallium/targets/egl/Makefile                   |    2 +-
>  src/gallium/targets/gbm/Makefile                   |   32 ++
>  src/gallium/targets/gbm/gbm.c                      |   61 ++++
>  src/gallium/targets/gbm/pipe_loader.c              |  192 ++++++++++
>  src/gallium/targets/gbm/pipe_loader.h              |   48 +++
>  src/gbm/Makefile                                   |   14 +
>  src/gbm/backends/Makefile                          |   14 +
>  src/gbm/backends/Makefile.template                 |   65 ++++
>  src/gbm/backends/dri/Makefile                      |   22 ++
>  src/gbm/backends/dri/driver_name.c                 |   89 +++++
>  src/gbm/backends/dri/gbm_dri.c                     |  377 ++++++++++++++++++++
>  src/gbm/backends/dri/gbm_driint.h                  |   78 ++++
>  src/gbm/main/Makefile                              |   90 +++++
>  src/gbm/main/backend.c                             |  128 +++++++
>  src/gbm/main/backend.h                             |   36 ++
>  src/gbm/main/common.c                              |   88 +++++
>  src/gbm/main/common.h                              |   42 +++
>  src/gbm/main/common_drm.h                          |   48 +++
>  src/gbm/main/gbm.c                                 |  189 ++++++++++
>  src/gbm/main/gbm.h                                 |   99 +++++
>  src/gbm/main/gbm.pc.in                             |   12 +
>  src/gbm/main/gbmint.h                              |   81 +++++
>  src/mesa/drivers/dri/intel/intel_screen.c          |   27 ++-
>  44 files changed, 2536 insertions(+), 108 deletions(-)
>  create mode 100644 src/gallium/state_trackers/gbm/Makefile
>  create mode 100644 src/gallium/state_trackers/gbm/gbm_drm.c
>  create mode 100644 src/gallium/state_trackers/gbm/gbm_gallium_drmint.h
>  create mode 100644 src/gallium/targets/gbm/Makefile
>  create mode 100644 src/gallium/targets/gbm/gbm.c
>  create mode 100644 src/gallium/targets/gbm/pipe_loader.c
>  create mode 100644 src/gallium/targets/gbm/pipe_loader.h
>  create mode 100644 src/gbm/Makefile
>  create mode 100644 src/gbm/backends/Makefile
>  create mode 100644 src/gbm/backends/Makefile.template
>  create mode 100644 src/gbm/backends/dri/Makefile
>  create mode 100644 src/gbm/backends/dri/driver_name.c
>  create mode 100644 src/gbm/backends/dri/gbm_dri.c
>  create mode 100644 src/gbm/backends/dri/gbm_driint.h
>  create mode 100644 src/gbm/main/Makefile
>  create mode 100644 src/gbm/main/backend.c
>  create mode 100644 src/gbm/main/backend.h
>  create mode 100644 src/gbm/main/common.c
>  create mode 100644 src/gbm/main/common.h
>  create mode 100644 src/gbm/main/common_drm.h
>  create mode 100644 src/gbm/main/gbm.c
>  create mode 100644 src/gbm/main/gbm.h
>  create mode 100644 src/gbm/main/gbm.pc.in
>  create mode 100644 src/gbm/main/gbmint.h
>
> --
> 1.7.3.4
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>



-- 
olv at LunarG.com