[PATCH weston 0/6] Add client driven repaint and clock for testing
derekf at osg.samsung.com
Thu Apr 2 11:23:28 PDT 2015
On 27/03/15 07:54 AM, Pekka Paalanen wrote:
> On Fri, 19 Dec 2014 12:45:44 -0600
> Derek Foreman <derekf at osg.samsung.com> wrote:
>> This series allows test clients to put the compositor into a new "test mode"
>> where the presentation clock is controlled by the client, and the client
>> can request a repaint.
>> Only the headless compositor supports this for now.
>> Derek Foreman (6):
>> test: Add a compositor test-mode
>> compositors: Wrap clock_gettime() usage
>> test: Add clock_settime()
>> compositor: Make repaint loop exit frequently in test mode
>> test: Add client driven repaint
>> compositor-headless: Add test mode
>> protocol/wayland-test.xml | 9 ++++++++-
>> src/compositor-drm.c | 2 +-
>> src/compositor-fbdev.c | 2 +-
>> src/compositor-headless.c | 36 +++++++++++++++++++++++++++++++++---
>> src/compositor-rdp.c | 2 +-
>> src/compositor-x11.c | 2 +-
>> src/compositor.c | 43 +++++++++++++++++++++++++++++++++++++++++++
>> src/compositor.h | 15 +++++++++++++++
>> tests/weston-test.c | 31 +++++++++++++++++++++++++++++++
>> 9 files changed, 134 insertions(+), 8 deletions(-)
> This is an interesting idea, which undoubtedly would allow us to test
> ever more intricate parts of weston.
> However, I wouldn't hold this as a prerequisite to screenshot-based
> testing (just in case you do).
While this lets us deterministically sshot things like weston-spring
based animations, I wasn't considering it a pre-requisite for the
In fact, screenshot-based testing makes it much easier to confirm that
clock control is working.
> Screenshot-based testing should be well implementable without
> controlling the clock or the repaint cycle. After a test client has
> submitted its requests, and then requests a screenshot, the screenshot
> would pend until after the next repaint. Just like the current
> screenshooting works.
> I'd like to propose to go for screenshot-based first, and clock control
> after unless you see some major drawbacks in that. I have a hunch the
> clock control won't be as easy as it seems.
Agreed. The screenshot stuff is further along anyway.
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