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st/oxr: Implement xrEnumerateBoundSourcesForAction

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Jakob Bornecrantz 2020-07-21 14:57:21 +01:00 committed by Jakob Bornecrantz
parent 9f684dbc21
commit 7818a5b9cf
3 changed files with 59 additions and 10 deletions
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2
doc/changes/state_trackers/mr.451.2.md Normal file
View file

@ -0,0 +1,2 @@
OpenXR: Implement the function `xrEnumerateBoundSourcesForAction`, currently we
only bind one input per top level user path and it's easy to track this.

42
src/xrt/state_trackers/oxr/oxr_input.c
View file

@ -16,6 +16,7 @@
#include "oxr_objects.h"
#include "oxr_logger.h"
#include "oxr_handle.h"
#include "oxr_two_call.h"
#include "oxr_input_transform.h"
#include <math.h>
@ -1154,6 +1155,7 @@ oxr_action_bind_inputs(struct oxr_logger *log,
cache->inputs[i] = inputs[i];
}
cache->num_inputs = num_inputs;
cache->bound_path = bound_path;
}
if (num_outputs > 0) {
@ -1164,6 +1166,7 @@ oxr_action_bind_inputs(struct oxr_logger *log,
cache->outputs[i] = outputs[i];
}
cache->num_outputs = num_outputs;
cache->bound_path = bound_path;
}
}
@ -1403,6 +1406,45 @@ oxr_action_sync_data(struct oxr_logger *log,
return oxr_session_success_focused_result(sess);
}
XrResult
oxr_action_enumerate_bound_sources(struct oxr_logger *log,
struct oxr_session *sess,
uint32_t act_key,
uint32_t sourceCapacityInput,
uint32_t *sourceCountOutput,
XrPath *sources)
{
struct oxr_action_attachment *act_attached = NULL;
size_t num_paths = 0;
XrPath temp[32] = {0};
oxr_session_get_action_attachment(sess, act_key, &act_attached);
if (act_attached == NULL) {
return oxr_error(log, XR_ERROR_RUNTIME_FAILURE,
"act_key did not find any action");
}
if (act_attached->head.bound_path != XR_NULL_PATH) {
temp[num_paths++] = act_attached->head.bound_path;
}
if (act_attached->left.bound_path != XR_NULL_PATH) {
temp[num_paths++] = act_attached->left.bound_path;
}
if (act_attached->right.bound_path != XR_NULL_PATH) {
temp[num_paths++] = act_attached->right.bound_path;
}
if (act_attached->gamepad.bound_path != XR_NULL_PATH) {
temp[num_paths++] = act_attached->gamepad.bound_path;
}
if (act_attached->user.bound_path != XR_NULL_PATH) {
temp[num_paths++] = act_attached->user.bound_path;
}
OXR_TWO_CALL_HELPER(log, sourceCapacityInput, sourceCountOutput,
sources, num_paths, temp,
oxr_session_success_result(sess));
}
/*
*

25
src/xrt/state_trackers/oxr/oxr_objects.h
View file

@ -429,6 +429,18 @@ oxr_action_sync_data(struct oxr_logger *log,
struct oxr_session *sess,
uint32_t countActionSets,
const XrActiveActionSet *actionSets);
/*!
* @public @memberof oxr_session
*/
XrResult
oxr_action_enumerate_bound_sources(struct oxr_logger *log,
struct oxr_session *sess,
uint32_t act_key,
uint32_t sourceCapacityInput,
uint32_t *sourceCountOutput,
XrPath *sources);
/*!
* @public @memberof oxr_session
*/
@ -562,16 +574,6 @@ oxr_action_get_input_source_localized_name(
uint32_t *bufferCountOutput,
char *buffer);
/*!
* @public @memberof oxr_session
*/
XrResult
oxr_action_enumerate_bound_sources(struct oxr_logger *log,
struct oxr_session *sess,
uint64_t key,
uint32_t sourceCapacityInput,
uint32_t *sourceCountOutput,
XrPath *sources);
/*!
* @}
*/
@ -1487,6 +1489,9 @@ struct oxr_action_cache
{
struct oxr_action_state current;
//! Which action is proving the binding.
XrPath bound_path;
size_t num_inputs;
struct oxr_action_input *inputs;