[Mesa-dev] [PATCH 0/8] GBM Graphics Buffer Manager
Chia-I Wu
olvaffe at gmail.com
Thu Jun 23 04:01:39 PDT 2011
On Thu, Jun 23, 2011 at 7:46 PM, Benjamin Franzke
<benjaminfranzke at googlemail.com> wrote:
> 2011/6/23 Chia-I Wu <olvaffe at gmail.com>:
>> 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)?
>
> For the reason of a stable ABI we dont need it, since all of gbm is inside mesa.
> Maybe it could be used at some point to ease driver loading/sharing or
> so, dont know,
> but right now I think its easier to just have this small state tracker.
> Since its inside mesa we could change it later if it feels better then.
Ok. From a quick look I thought there was gbm_gallium_drm.so which
loads egl_gallium's pipe drivers. As the pipe drivers should not
exist, I'd like to see no external use of them. Maybe I was wrong.
>>>
>>> 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
>>
>
--
olv at LunarG.com
More information about the mesa-dev
mailing list