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d/ohmd: Use unofficial OpenHMD Haptics API

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Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2329>
This commit is contained in:
Pranay Sanghai 2024-09-23 13:03:03 -07:00
parent b1117a7854
commit 62900fade1
1 changed files with 23 additions and 2 deletions
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25
src/xrt/drivers/ohmd/oh_device.c
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@ -85,6 +85,12 @@ enum input_indices
// one mapping for each of enum ohmd_control_hint
#define CONTROL_MAPPING_SIZE 16
// Default haptic frequency for when the driver needs to decide frequency.
#if defined(OHMD_HAVE_HAPTICS_API_v0)
#define DEFAULT_HAPTIC_FREQ 160.0
#endif
// generic controllers are mapped to the khronos simple profile
// touch controllers input mappings are special cased
enum openhmd_device_type
@ -322,9 +328,24 @@ static void
oh_device_set_output(struct xrt_device *xdev, enum xrt_output_name name, const union xrt_output_value *value)
{
struct oh_device *ohd = oh_device(xdev);
(void)ohd;
//! @todo OpenHMD haptic API not finished
#if defined(OHMD_HAVE_HAPTICS_API_v0)
// Use the unofficial Haptics API from thaytan's fork of OpenHMD:
// https://github.com/thaytan/OpenHMD/blob/rift-room-config/include/openhmd.h#L481
float frequency = value->vibration.frequency;
// A frequency of 0.0f from OpenXR means to let the driver decide.
if (frequency == 0.0f) {
frequency = DEFAULT_HAPTIC_FREQ;
}
ohmd_device_set_haptics_on(ohd->dev, (float)value->vibration.duration_ns / 1e9f, frequency,
value->vibration.amplitude);
#else
// There is no official OpenHMD Haptic API.
(void)ohd;
#endif
}
static bool