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182 commits 14 branches 6 tags 690 KiB
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15 commits

Author SHA1 Message Date
Simon Ser
9a6a7aaa87 Make fp16_to_double static 
This prevents this internal symbol from being leaked in the
library's symbol table.
 2021-08-09 12:50:32 +02:00
Simon Ser
7f07d398d1 Improve prop value pretty-printing in output_log_layers 
Always print the sign when logging a signed value. Print the
full floating point value when logging an fp16 prop. SRC_X amd
SRC_Y are fp16 too.
 2021-08-09 12:48:30 +02:00
Simon Ser
6321e7c5aa Add needs_composition APIs 
Right now, compositors are expected to query liftoff_layer_get_plane_id to
decide whether a layer needs to be composited.

However there are cases where a layer has no plane, but still doesn't need
composition (e.g. when FB_ID is zero or when alpha is zero, in the future when
the layer is out of CRTC bounds etc).

Add a new API to make users' life simpler.

Closes: https://github.com/emersion/libliftoff/issues/54
 2021-08-09 11:56:55 +02:00
Simon Ser
ded5bd083c
Print composition layer in logs 2020-04-09 18:25:37 +02:00
Roman Gilg
52cd24a904
Omit logging inactive layer information 
It is only of interest to log the currently active layers when debugging.
A layer is inactive when it does not have an fb and composition is not forced.

Check layers for that and otherwise skip them. Also tell if composition is
actually forced on the layer.
 2020-03-08 22:31:59 +01:00
Roman Gilg
71bd11377a
Respect implicit type on layer props log 
The CRTC_X and CRTC_Y values can be negative. Log respectively. Additionally
the SRC_W and SRC_H values are shifted. Shift these values back for the log.
 2020-03-08 22:30:08 +01:00
Roman Gilg
375a8123d2
Skip layer debug early 
If the verbosity is low we can skip logging layer information early and do not
need to run the loop.
 2020-03-08 13:06:11 +01:00
Simon Ser
cfeee41ec1
Allow NULL to be passed to destructors 
In this case, the destructor will be a no-op. This is similar to free(3)'s
behavior and allows to omit a NULL check for callers.
 2019-12-31 20:46:08 +01:00
Simon Ser
c9cdf8ec50
Log layer configuration before alloc 2019-12-12 23:40:01 +01:00
Simon Ser
d8c20ddac2
Don't re-use prev alloc on composition layer change 2019-12-12 23:23:53 +01:00
Simon Ser
b0e2b083f9
Rename display to device 
"Display" can also mean "screen"/"monitor", so it's kind of confusing for
this usage.
 2019-11-24 12:59:10 +01:00
Simon Ser
e9433997d9
Add liftoff_output_set_composition_layer 
This lets the library user define a layer where composition will happen. At the
moment there can be at most one composition layer per output, on the primary
plane. It should be possible to remove these restrictions in the future if
desirable.

The composition layer will be put on a plane if and only if composition is
needed.

The compositor needs to know where composited layers will be blended to resolve
zpos conflicts.

Closes: https://github.com/emersion/libliftoff/issues/9
 2019-10-11 14:31:17 +03:00
Simon Ser
caac9bc87f
Rename library to liftoff 
Let's make these planes useful!
 2019-09-12 11:40:21 +03:00
Simon Ser
d90d7bdc36
Check plane is compatible with CRTC 
This allows us to rule out some potential solutions.

Closes: https://github.com/emersion/libhwc/issues/2
 2019-09-08 17:41:25 +03:00
Simon Ser
9fe471dd6b
Initial experiments 2019-08-21 23:07:37 +03:00