Other trackers (e.g., psmv, slam, etc) work as sinks and the xfctx that manages
them is handled by the device providing the data streams. This change helps
the hand tracker have a more similar interface to other trackers.
* Adds support for querying the device's currently set display refresh rate to
be used for android driver on creation. Allowing for devices which support
selecting other refresh rate modes beyond 60hz.
* Changes hardcoded sensor polling rate to now match refresh queried from the
device.
- Add CMakeUserPresets.json to .gitignore
- Fix DASSERTs warning for release builds
- Do not use one euro filter with invalid poses
- Other NFC style changes
A previous change didn't really ignore the return value of fread() and
a warning was still emitted:
-----------------------------------------------------------------------
[103/1571] Building C object src/xrt/drivers/CMakeFiles/drv_ns.dir/north_star/ns_hmd.c.o
../src/xrt/drivers/north_star/ns_hmd.c: In function ‘ns_config_load’:
../src/xrt/drivers/north_star/ns_hmd.c:512:8: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
512 | (void)fread(json, 1, file_size, config_file);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-----------------------------------------------------------------------
Check the return value of fread to fix the warning for good, and declare
the return value of ftell as long as stated in the man page.
On some systems fread() is declared with attribute warn_unused_result
and this results in a build warning:
-----------------------------------------------------------------------
Building C object src/xrt/drivers/CMakeFiles/drv_ns.dir/north_star/ns_hmd.c.o
.../src/xrt/drivers/north_star/ns_hmd.c: In function ‘ns_config_load’:
.../src/xrt/drivers/north_star/ns_hmd.c:512:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
512 | fread(json, 1, file_size, config_file);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-----------------------------------------------------------------------
Explicitly ignore the return value of that fread() to silence the
warning.
And while at it also close config_file in some error paths between
fopen() and fclose() which where leaking the file pointer when jumping
to the parse_error label.
The dy name was kept. It can now be thought of as "[d]erivative of [y]"
instead of the previous "change of y". Also, the beta parameters of the
one-euro users were adjusted by approximately multiplying them by 0.016
to compensate.
