The open source OpenXR runtime
t/gui: Add st/prober code
authored by
Jakob Bornecrantz
and committed by
Jakob Bornecrantz
968952aa
44d58037
+157
+1
src/xrt/targets/gui/CMakeLists.txt
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src/xrt/targets/gui/CMakeLists.txt
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src/xrt/targets/gui/gui_common.h
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src/xrt/targets/gui/gui_common.h
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extern "C" {
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#endif
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#define NUM_XDEVS 8
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struct xrt_device;
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struct xrt_prober;
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struct time_state;
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/*!
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* Common struct holding state for the GUI interface.
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*
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uint32_t height;
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bool own_buffer;
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} blit;
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struct time_state *timekeeping;
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struct xrt_device *xdevs[NUM_XDEVS];
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struct xrt_prober *xp;
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};
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/*!
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*/
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void
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gui_sdl2_quit(struct program *p);
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/*!
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* Initialize the prober and open all devices found.
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*
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* @ingroup gui
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*/
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int
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gui_prober_init(struct program *p);
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/*!
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* Update all devices.
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*
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* @ingroup gui
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*/
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void
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gui_prober_update(struct program *p);
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/*!
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* Destroy all opened devices and destroy the prober.
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*
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* @ingroup gui
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*/
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void
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gui_prober_teardown(struct program *p);
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#ifdef __cplusplus
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src/xrt/targets/gui/gui_prober.c
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src/xrt/targets/gui/gui_prober.c
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// Copyright 2019, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Enable the use of the prober in the gui application.
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* @author Jakob Bornecrantz <jakob@collabora.com>
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*/
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#include "util/u_time.h"
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#include "target_lists.h"
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#include "gui_common.h"
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/*
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*
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* Helper functions.
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*
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*/
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static int
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do_exit(struct program *p, int ret)
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{
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gui_prober_teardown(p);
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return ret;
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}
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/*
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*
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* 'Exported' functions.
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*
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*/
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int
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gui_prober_init(struct program *p)
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{
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int ret = 0;
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p->timekeeping = time_state_create();
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// Initialize the prober.
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printf(" :: Creating prober!\n");
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ret = xrt_prober_create(&p->xp);
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if (ret != 0) {
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return do_exit(p, ret);
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}
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// Need to prime the prober with devices before dumping and listing.
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printf(" :: Probing!\n");
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ret = xrt_prober_probe(p->xp);
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if (ret != 0) {
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return do_exit(p, ret);
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}
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// Multiple devices can be found.
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printf(" :: Selecting devices!\n");
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ret = xrt_prober_select(p->xp, p->xdevs, NUM_XDEVS);
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if (ret != 0) {
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do_exit(p, ret);
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}
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if (p->xdevs[0] == NULL) {
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printf("\tNo HMD found! :(\n");
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return do_exit(p, -1);
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}
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for (size_t i = 0; i < NUM_XDEVS; i++) {
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if (p->xdevs[i] == NULL) {
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continue;
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}
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printf("\tFound '%s'\n", p->xdevs[i]->str);
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}
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return 0;
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}
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void
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gui_prober_update(struct program *p)
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{
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// We haven't been initialized
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if (p->timekeeping == NULL) {
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return;
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}
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time_state_get_now_and_update(p->timekeeping);
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for (size_t i = 0; i < NUM_XDEVS; i++) {
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if (p->xdevs[i] == NULL) {
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continue;
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}
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p->xdevs[i]->update_inputs(p->xdevs[i], p->timekeeping);
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}
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}
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void
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gui_prober_teardown(struct program *p)
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{
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for (size_t i = 0; i < NUM_XDEVS; i++) {
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if (p->xdevs[i] == NULL) {
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continue;
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}
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p->xdevs[i]->destroy(p->xdevs[i]);
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p->xdevs[i] = NULL;
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}
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if (p->timekeeping != NULL) {
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time_state_destroy(p->timekeeping);
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p->timekeeping = NULL;
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}
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xrt_prober_destroy(&p->xp);
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}
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int
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xrt_prober_create(struct xrt_prober **out_xp)
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{
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return xrt_prober_create_with_lists(out_xp, &target_lists);
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}