diff options
Diffstat (limited to 'modules/openxr/openxr_api.cpp')
-rw-r--r-- | modules/openxr/openxr_api.cpp | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/modules/openxr/openxr_api.cpp b/modules/openxr/openxr_api.cpp index 94095eb61c..16879ac4e5 100644 --- a/modules/openxr/openxr_api.cpp +++ b/modules/openxr/openxr_api.cpp @@ -41,6 +41,7 @@ #endif #ifdef ANDROID_ENABLED +#define OPENXR_LOADER_NAME "libopenxr_loader.so" #include "extensions/openxr_android_extension.h" #endif @@ -48,7 +49,10 @@ #include "extensions/openxr_vulkan_extension.h" #endif +#include "extensions/openxr_fb_passthrough_extension_wrapper.h" +#include "extensions/openxr_hand_tracking_extension.h" #include "extensions/openxr_htc_vive_tracker_extension.h" +#include "extensions/openxr_palm_pose_extension.h" #include "modules/openxr/openxr_interface.h" @@ -184,6 +188,20 @@ bool OpenXRAPI::is_extension_supported(const String &p_extension) const { return false; } +bool OpenXRAPI::is_path_supported(const String &p_path) { + // This checks with extensions whether a path is *unsupported* and returns false if this is so. + // This allows us to filter out paths that are only available if related extensions are supported. + // WARNING: This method will return true for unknown/mistyped paths as we have no way to validate those. + + for (OpenXRExtensionWrapper *wrapper : registered_extension_wrappers) { + if (!wrapper->is_path_supported(p_path)) { + return false; + } + } + + return true; +} + void OpenXRAPI::copy_string_to_char_buffer(const String p_string, char *p_buffer, int p_buffer_len) { CharString char_string = p_string.utf8(); int len = char_string.length(); @@ -284,6 +302,9 @@ bool OpenXRAPI::create_instance() { 0, // runtimeVersion, from here will be set by our get call "" // runtimeName }; + + OPENXR_API_INIT_XR_FUNC_V(xrGetInstanceProperties); + result = xrGetInstanceProperties(instance, &instanceProps); if (XR_FAILED(result)) { // not fatal probably @@ -992,9 +1013,94 @@ bool OpenXRAPI::is_running() { return running; } +bool OpenXRAPI::openxr_loader_init() { +#ifdef ANDROID_ENABLED + ERR_FAIL_COND_V_MSG(openxr_loader_library_handle != nullptr, false, "OpenXR Loader library is already loaded."); + + { + Error error_code = OS::get_singleton()->open_dynamic_library(OPENXR_LOADER_NAME, openxr_loader_library_handle); + ERR_FAIL_COND_V_MSG(error_code != OK, false, "OpenXR loader not found."); + } + + { + Error error_code = OS::get_singleton()->get_dynamic_library_symbol_handle(openxr_loader_library_handle, "xrGetInstanceProcAddr", (void *&)xrGetInstanceProcAddr); + ERR_FAIL_COND_V_MSG(error_code != OK, false, "Symbol xrGetInstanceProcAddr not found in OpenXR Loader library."); + } +#endif + + // Resolve the symbols that don't require an instance + OPENXR_API_INIT_XR_FUNC_V(xrCreateInstance); + OPENXR_API_INIT_XR_FUNC_V(xrEnumerateApiLayerProperties); + OPENXR_API_INIT_XR_FUNC_V(xrEnumerateInstanceExtensionProperties); + + return true; +} + +bool OpenXRAPI::resolve_instance_openxr_symbols() { + ERR_FAIL_COND_V(instance == XR_NULL_HANDLE, false); + + OPENXR_API_INIT_XR_FUNC_V(xrAcquireSwapchainImage); + OPENXR_API_INIT_XR_FUNC_V(xrApplyHapticFeedback); + OPENXR_API_INIT_XR_FUNC_V(xrAttachSessionActionSets); + OPENXR_API_INIT_XR_FUNC_V(xrBeginFrame); + OPENXR_API_INIT_XR_FUNC_V(xrBeginSession); + OPENXR_API_INIT_XR_FUNC_V(xrCreateAction); + OPENXR_API_INIT_XR_FUNC_V(xrCreateActionSet); + OPENXR_API_INIT_XR_FUNC_V(xrCreateActionSpace); + OPENXR_API_INIT_XR_FUNC_V(xrCreateReferenceSpace); + OPENXR_API_INIT_XR_FUNC_V(xrCreateSession); + OPENXR_API_INIT_XR_FUNC_V(xrCreateSwapchain); + OPENXR_API_INIT_XR_FUNC_V(xrDestroyAction); + OPENXR_API_INIT_XR_FUNC_V(xrDestroyActionSet); + OPENXR_API_INIT_XR_FUNC_V(xrDestroyInstance); + OPENXR_API_INIT_XR_FUNC_V(xrDestroySession); + OPENXR_API_INIT_XR_FUNC_V(xrDestroySpace); + OPENXR_API_INIT_XR_FUNC_V(xrDestroySwapchain); + OPENXR_API_INIT_XR_FUNC_V(xrEndFrame); + OPENXR_API_INIT_XR_FUNC_V(xrEndSession); + OPENXR_API_INIT_XR_FUNC_V(xrEnumerateReferenceSpaces); + OPENXR_API_INIT_XR_FUNC_V(xrEnumerateSwapchainFormats); + OPENXR_API_INIT_XR_FUNC_V(xrEnumerateViewConfigurations); + OPENXR_API_INIT_XR_FUNC_V(xrEnumerateViewConfigurationViews); + OPENXR_API_INIT_XR_FUNC_V(xrGetActionStateBoolean); + OPENXR_API_INIT_XR_FUNC_V(xrGetActionStateFloat); + OPENXR_API_INIT_XR_FUNC_V(xrGetActionStateVector2f); + OPENXR_API_INIT_XR_FUNC_V(xrGetCurrentInteractionProfile); + OPENXR_API_INIT_XR_FUNC_V(xrGetSystem); + OPENXR_API_INIT_XR_FUNC_V(xrGetSystemProperties); + OPENXR_API_INIT_XR_FUNC_V(xrLocateViews); + OPENXR_API_INIT_XR_FUNC_V(xrLocateSpace); + OPENXR_API_INIT_XR_FUNC_V(xrPathToString); + OPENXR_API_INIT_XR_FUNC_V(xrPollEvent); + OPENXR_API_INIT_XR_FUNC_V(xrReleaseSwapchainImage); + OPENXR_API_INIT_XR_FUNC_V(xrResultToString); + OPENXR_API_INIT_XR_FUNC_V(xrStringToPath); + OPENXR_API_INIT_XR_FUNC_V(xrSuggestInteractionProfileBindings); + OPENXR_API_INIT_XR_FUNC_V(xrSyncActions); + OPENXR_API_INIT_XR_FUNC_V(xrWaitFrame); + OPENXR_API_INIT_XR_FUNC_V(xrWaitSwapchainImage); + + return true; +} + +XrResult OpenXRAPI::get_instance_proc_addr(const char *p_name, PFN_xrVoidFunction *p_addr) { + XrResult result = xrGetInstanceProcAddr(instance, p_name, p_addr); + + if (result != XR_SUCCESS) { + String error_message = String("Symbol ") + p_name + " not found in OpenXR instance."; + ERR_FAIL_COND_V_MSG(true, result, error_message.utf8().get_data()); + } + + return result; +} + bool OpenXRAPI::initialize(const String &p_rendering_driver) { ERR_FAIL_COND_V_MSG(instance != XR_NULL_HANDLE, false, "OpenXR instance was already created"); + if (!openxr_loader_init()) { + return false; + } + if (p_rendering_driver == "vulkan") { #ifdef VULKAN_ENABLED graphics_extension = memnew(OpenXRVulkanExtension(this)); @@ -1017,6 +1123,10 @@ bool OpenXRAPI::initialize(const String &p_rendering_driver) { } // initialize + for (OpenXRExtensionWrapper *wrapper : registered_extension_wrappers) { + wrapper->on_before_instance_created(); + } + if (!load_layer_properties()) { destroy_instance(); return false; @@ -1032,6 +1142,11 @@ bool OpenXRAPI::initialize(const String &p_rendering_driver) { return false; } + if (!resolve_instance_openxr_symbols()) { + destroy_instance(); + return false; + } + if (!get_system_info()) { destroy_instance(); return false; @@ -1382,6 +1497,10 @@ void OpenXRAPI::pre_render() { // 2) It will use the previous timing to pause our thread so that rendering starts as close to displaying as possible // This must thus be called as close to when we start rendering as possible XrFrameWaitInfo frame_wait_info = { XR_TYPE_FRAME_WAIT_INFO, nullptr }; + frame_state.predictedDisplayTime = 0; + frame_state.predictedDisplayPeriod = 0; + frame_state.shouldRender = false; + XrResult result = xrWaitFrame(session, &frame_wait_info, &frame_state); if (XR_FAILED(result)) { print_line("OpenXR: xrWaitFrame() was not successful [", get_error_string(result), "]"); @@ -1643,7 +1762,10 @@ OpenXRAPI::OpenXRAPI() { #endif // register our other extensions + register_extension_wrapper(memnew(OpenXRPalmPoseExtension(this))); register_extension_wrapper(memnew(OpenXRHTCViveTrackerExtension(this))); + register_extension_wrapper(memnew(OpenXRHandTrackingExtension(this))); + register_extension_wrapper(memnew(OpenXRFbPassthroughExtensionWrapper(this))); } OpenXRAPI::~OpenXRAPI() { @@ -1669,6 +1791,13 @@ OpenXRAPI::~OpenXRAPI() { layer_properties = nullptr; } +#ifdef ANDROID_ENABLED + if (openxr_loader_library_handle) { + OS::get_singleton()->close_dynamic_library(openxr_loader_library_handle); + openxr_loader_library_handle = nullptr; + } +#endif + singleton = nullptr; } @@ -1745,6 +1874,18 @@ void OpenXRAPI::parse_velocities(const XrSpaceVelocity &p_velocity, Vector3 &r_l } } +bool OpenXRAPI::xr_result(XrResult result, const char *format, Array args) const { + if (XR_SUCCEEDED(result)) + return true; + + char resultString[XR_MAX_RESULT_STRING_SIZE]; + xrResultToString(instance, result, resultString); + + print_error(String("OpenXR ") + String(format).format(args) + String(" [") + String(resultString) + String("]")); + + return false; +} + RID OpenXRAPI::get_tracker_rid(XrPath p_path) { List<RID> current; tracker_owner.get_owned_list(¤t); @@ -2063,6 +2204,11 @@ XrPath OpenXRAPI::get_interaction_profile_path(RID p_interaction_profile) { } RID OpenXRAPI::interaction_profile_create(const String p_name) { + if (!is_path_supported(p_name)) { + // The extension enabling this path must not be active, we will silently skip this interaction profile + return RID(); + } + InteractionProfile new_interaction_profile; XrResult result = xrStringToPath(instance, p_name.utf8().get_data(), &new_interaction_profile.path); @@ -2099,6 +2245,11 @@ void OpenXRAPI::interaction_profile_clear_bindings(RID p_interaction_profile) { } bool OpenXRAPI::interaction_profile_add_binding(RID p_interaction_profile, RID p_action, const String p_path) { + if (!is_path_supported(p_path)) { + // The extension enabling this path must not be active, we will silently skip this binding + return false; + } + InteractionProfile *ip = interaction_profile_owner.get_or_null(p_interaction_profile); ERR_FAIL_NULL_V(ip, false); @@ -2426,3 +2577,11 @@ bool OpenXRAPI::trigger_haptic_pulse(RID p_action, RID p_tracker, float p_freque return true; } + +void OpenXRAPI::register_composition_layer_provider(OpenXRCompositionLayerProvider *provider) { + composition_layer_providers.append(provider); +} + +void OpenXRAPI::unregister_composition_layer_provider(OpenXRCompositionLayerProvider *provider) { + composition_layer_providers.erase(provider); +} |