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authorrr- <mkurczew@gmail.com>2015-11-07 19:06:57 +0100
committerwm4 <wm4@nowhere>2015-11-08 15:00:15 +0100
commitc3f2ef5491dc28d1f2f68d024b4be01c27b029e7 (patch)
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parent67caea357c23443cf583ad401a38bbaae19e3df8 (diff)
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vo_opengl: add DRM EGL backend
Notes: - Unfortunately the only way to talk to EGL from within DRM I could find involves linking with GBM (generic buffer management for Mesa.) Because of this, I'm pretty sure it won't work with proprietary NVidia drivers, but then again, last time I checked NVidia didn't offer proper screen resolution for VT. - VT switching doesn't seem to work at all. It's worth mentioning that using vo_drm before introduction of VT switcher had an anomaly where user could switch to another VT and input text to it, while video played on top of that VT. However, that isn't the case with drm_egl: I can't switch to other VT during playback like this. This makes me think that it's either a limitation coming from my firmware or from EGL/KMS itself rather than a bug with my code. Nonetheless, I still left (untestable) VT switching code in place, in case it's useful to someone else. - The mode_id, connector_id and device_path should be configurable for power users and people who wish to watch videos on nonprimary screen. Unfortunately I didn't see anything that would allow OpenGL backends to register their own set of options. At the same time, adding them to global namespace is pointless. - A few dozens of lines could be shared with vo_drm (setting up VT switching, most of code behind page flipping). I don't have any strong opinion on this. - Sometimes I get minor visual glitches. I'm not sure if there's a race condition of some sort, unitialized variable (doubtful), or if it's buggy driver. (I'm using integrated Intel HD Graphics 4400 with Mesa) - .config and .control are very minimal. Signed-off-by: wm4 <wm4@nowhere>
Diffstat (limited to 'DOCS/man/vo.rst')
-rw-r--r--DOCS/man/vo.rst7
1 files changed, 5 insertions, 2 deletions
diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst
index 2f8bcb3661..d7074a54e6 100644
--- a/DOCS/man/vo.rst
+++ b/DOCS/man/vo.rst
@@ -778,6 +778,8 @@ Available video output drivers are:
X11/GLX
wayland
Wayland/EGL
+ drm_egl
+ DRM/EGL
x11egl
X11/EGL
@@ -1134,8 +1136,9 @@ Available video output drivers are:
``drm`` (Direct Rendering Manager)
Video output driver using Kernel Mode Setting / Direct Rendering Manager.
- Does not support hardware acceleration. Should be used when one doesn't
- want to install full-blown graphical environment (e.g. no X).
+ Should be used when one doesn't want to install full-blown graphical
+ environment (e.g. no X). Does not support hardware acceleration (if you
+ need this, check ``drm_egl`` backend for ``opengl`` VO).
``connector=<number>``
Select the connector to use (usually this is a monitor.) If set to -1,