[Mesa-dev] [PATCH 0/7] egl, i965: Implement EGL_KHR_mutable_render_buffer

[Tapani Pälli]

Hi;

Maybe something went wrong since patches 4,6 are missing from this series?

Functionally at least propagating mutableRenderBuffer boolean from 
driver to driCreateConfigs is missing.

// Tapani

On 07/31/2018 08:00 AM, Chad Versace wrote:
> Despite the KHR, Android is the only OS that uses this extension, as far
> as I know. Essentially, it allows the app to toggle
> front-buffer/back-buffer rendering using EGL.
> 
> Android requires this extension if the device advertises support for
> virtual reality. No Chrome OS device yet supports Android's VR software
> requirements, though, and VR is not why I implemented this.
> 
> This extension enables handwriting and drawing apps on Chrome and
> Android devices to achieve very low latency between touch input
> and display response.
> 
> Please don't bash me for this oddly-specified Android extension.
> I didn't create it. I'm just writing the code that Android requires.
> 
> * Patch 3 defines a pair of new DRI extensions, DRI_MutableRenderBuffer{Driver,Loader}.
> * Patches 1-5 add the generic code for the DRI and EGL extensions.
> * Patch 6 implements DRI_MutableRenderBufferLoader for Android EGL.
> * Patch 7 implements DRI_MutableRenderBufferDriver for i965.
> 
> This series is tagged at:
>      http://git.kiwitree.net/cgit/~chadv/mesa/log/?h=refs/tags/chadv/review/i965-mutable-render-buffer-v01
> 
> Chad Versace (7):
>    egl: Simplify queries for EGL_RENDER_BUFFER
>    egl/dri2: In dri2_make_current, return early on failure
>    dri: Define DRI_MutableRenderBuffer extensions
>    dri: Add param driCreateConfigs(mutable_render_buffer)
>    egl/main: Add bits for EGL_KHR_mutable_render_buffer
>    egl/android: Implement EGL_KHR_mutable_render_buffer
>    i965: Implement EGL_KHR_mutable_render_buffer
> 
>   include/GL/internal/dri_interface.h           | 138 +++++++++++++-
>   src/egl/drivers/dri2/egl_dri2.c               |  71 +++++---
>   src/egl/drivers/dri2/egl_dri2.h               |   7 +
>   src/egl/drivers/dri2/platform_android.c       | 168 +++++++++++++++++-
>   src/egl/main/eglapi.c                         |   1 +
>   src/egl/main/eglconfig.c                      |   3 +
>   src/egl/main/eglcontext.c                     |  40 ++++-
>   src/egl/main/eglcontext.h                     |   3 -
>   src/egl/main/egldisplay.h                     |   1 +
>   src/egl/main/eglsurface.c                     |  81 ++++++++-
>   src/egl/main/eglsurface.h                     |  59 +++++-
>   src/gallium/state_trackers/dri/dri_screen.c   |   4 +-
>   src/mesa/drivers/dri/common/dri_util.c        |   2 +
>   src/mesa/drivers/dri/common/dri_util.h        |   4 +
>   src/mesa/drivers/dri/common/utils.c           |  10 +-
>   src/mesa/drivers/dri/common/utils.h           |   3 +-
>   src/mesa/drivers/dri/i915/intel_screen.c      |   4 +-
>   src/mesa/drivers/dri/i965/brw_context.c       |  86 ++++++++-
>   src/mesa/drivers/dri/i965/brw_context.h       |  12 ++
>   src/mesa/drivers/dri/i965/intel_screen.c      |  17 +-
>   src/mesa/drivers/dri/nouveau/nouveau_screen.c |   2 +-
>   src/mesa/drivers/dri/radeon/radeon_screen.c   |   2 +-
>   src/mesa/drivers/dri/swrast/swrast.c          |   2 +-
>   src/mesa/main/mtypes.h                        |   3 +
>   24 files changed, 664 insertions(+), 59 deletions(-)
>