Add support for XR_FB_android_surface_swapchain_create

plugin/src/main/common.cmake

@@ -68,7 +68,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 
 
-add_definitions(-DANDROID)
+add_definitions(-DANDROID_ENABLED)
 
 set(GODOT_COMPILE_FLAGS)
 set(GODOT_LINKER_FLAGS)

plugin/src/main/cpp/extensions/openxr_fb_android_surface_swapchain_create_extension_wrapper.cpp

@@ -0,0 +1,127 @@
+/**************************************************************************/
+/*  openxr_fb_android_surface_swapchain_create_extension_wrapper.cpp      */
+/**************************************************************************/
+/*                       This file is part of:                            */
+/*                              GODOT XR                                  */
+/*                      https://godotengine.org                           */
+/**************************************************************************/
+/* Copyright (c) 2022-present Godot XR contributors (see CONTRIBUTORS.md) */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "extensions/openxr_fb_android_surface_swapchain_create_extension_wrapper.h"
+
+#include <godot_cpp/classes/object.hpp>
+#include <godot_cpp/classes/open_xrapi_extension.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+using namespace godot;
+
+static const char *SYNCHRONOUS_PROPERTY_NAME = "XR_FB_android_surface_swapchain_create/synchronous";
+static const char *USE_TIMESTAMPS_PROPERTY_NAME = "XR_FB_android_surface_swapchain_create/use_timestamps";
+
+OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper *OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper::singleton = nullptr;
+
+OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper *OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper::get_singleton() {
+	if (singleton == nullptr) {
+		singleton = memnew(OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper());
+	}
+	return singleton;
+}
+
+OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper::OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper() :
+		OpenXRExtensionWrapperExtension() {
+	ERR_FAIL_COND_MSG(singleton != nullptr, "An OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper singleton already exists.");
+
+#ifdef ANDROID_ENABLED
+	request_extensions[XR_FB_ANDROID_SURFACE_SWAPCHAIN_CREATE_EXTENSION_NAME] = &fb_android_surface_swapchain_create_ext;
+#endif
+	singleton = this;
+}
+
+OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper::~OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper() {
+}
+
+void OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("is_enabled"), &OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper::is_enabled);
+}
+
+Dictionary OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper::_get_requested_extensions() {
+	Dictionary result;
+	for (auto ext : request_extensions) {
+		uint64_t value = reinterpret_cast<uint64_t>(ext.value);
+		result[ext.key] = (Variant)value;
+	}
+	return result;
+}
+
+TypedArray<Dictionary> OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper::_get_viewport_composition_layer_extension_properties() {
+	TypedArray<Dictionary> properties;
+
+	{
+		Dictionary synchronous;
+		synchronous["name"] = SYNCHRONOUS_PROPERTY_NAME;
+		synchronous["type"] = Variant::BOOL;
+		synchronous["hint"] = PROPERTY_HINT_NONE;
+		synchronous["hint_string"] = "";
+		properties.push_back(synchronous);
+	}
+
+	{
+		Dictionary use_timestamps;
+		use_timestamps["name"] = USE_TIMESTAMPS_PROPERTY_NAME;
+		use_timestamps["type"] = Variant::BOOL;
+		use_timestamps["hint"] = PROPERTY_HINT_NONE;
+		use_timestamps["hint_string"] = "";
+		properties.push_back(use_timestamps);
+	}
+
+	return properties;
+}
+
+Dictionary OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper::_get_viewport_composition_layer_extension_property_defaults() {
+	Dictionary defaults;
+	defaults[SYNCHRONOUS_PROPERTY_NAME] = false;
+	defaults[USE_TIMESTAMPS_PROPERTY_NAME] = false;
+	return defaults;
+}
+
+uint64_t OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper::_set_android_surface_swapchain_create_info_and_get_next_pointer(const Dictionary &p_property_values, void *p_next_pointer) {
+#ifdef ANDROID_ENABLED
+	if (fb_android_surface_swapchain_create_ext) {
+		create_info.next = p_next_pointer;
+		create_info.createFlags = 0;
+
+		if ((bool)p_property_values.get(SYNCHRONOUS_PROPERTY_NAME, false)) {
+			create_info.createFlags |= XR_ANDROID_SURFACE_SWAPCHAIN_SYNCHRONOUS_BIT_FB;
+		}
+		if ((bool)p_property_values.get(USE_TIMESTAMPS_PROPERTY_NAME, false)) {
+			create_info.createFlags |= XR_ANDROID_SURFACE_SWAPCHAIN_USE_TIMESTAMPS_BIT_FB;
+		}
+
+		if (create_info.createFlags != 0) {
+			return reinterpret_cast<uint64_t>(&create_info);
+		}
+	}
+#endif
+
+	return reinterpret_cast<uint64_t>(p_next_pointer);
+}

plugin/src/main/cpp/include/extensions/openxr_fb_android_surface_swapchain_create_extension_wrapper.h

@@ -0,0 +1,81 @@
+/**************************************************************************/
+/*  openxr_fb_android_surface_swapchain_create_extension_wrapper.h        */
+/**************************************************************************/
+/*                       This file is part of:                            */
+/*                              GODOT XR                                  */
+/*                      https://godotengine.org                           */
+/**************************************************************************/
+/* Copyright (c) 2022-present Godot XR contributors (see CONTRIBUTORS.md) */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include <openxr/openxr.h>
+#include <godot_cpp/classes/open_xr_extension_wrapper_extension.hpp>
+#include <godot_cpp/templates/hash_map.hpp>
+
+#ifdef ANDROID_ENABLED
+#define XR_USE_PLATFORM_ANDROID
+#include <jni.h>
+#include <openxr/openxr_platform.h>
+#endif
+
+using namespace godot;
+
+// Wrapper for the XR_FB_android_surface_swapchain_create extension.
+class OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper : public OpenXRExtensionWrapperExtension {
+	GDCLASS(OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper, OpenXRExtensionWrapperExtension);
+
+public:
+	Dictionary _get_requested_extensions() override;
+
+	bool is_enabled() const {
+		return fb_android_surface_swapchain_create_ext;
+	}
+
+	virtual TypedArray<Dictionary> _get_viewport_composition_layer_extension_properties() override;
+	virtual Dictionary _get_viewport_composition_layer_extension_property_defaults() override;
+	virtual uint64_t _set_android_surface_swapchain_create_info_and_get_next_pointer(const Dictionary &p_property_values, void *p_next_pointer) override;
+
+	static OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper *get_singleton();
+
+	OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper();
+	~OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper();
+
+protected:
+	static void _bind_methods();
+
+private:
+	HashMap<String, bool *> request_extensions;
+
+	static OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper *singleton;
+
+	bool fb_android_surface_swapchain_create_ext = false;
+
+#ifdef ANDROID_ENABLED
+	XrAndroidSurfaceSwapchainCreateInfoFB create_info = {
+		XR_TYPE_ANDROID_SURFACE_SWAPCHAIN_CREATE_INFO_FB, // type
+		nullptr, // next
+		0, // createFlags
+	};
+#endif
+};

plugin/src/main/cpp/register_types.cpp

@@ -45,6 +45,7 @@
 #include "export/pico_export_plugin.h"
 #include "export/magicleap_export_plugin.h"
 
+#include "extensions/openxr_fb_android_surface_swapchain_create_extension_wrapper.h"
 #include "extensions/openxr_fb_body_tracking_extension_wrapper.h"
 #include "extensions/openxr_fb_composition_layer_alpha_blend_extension_wrapper.h"
 #include "extensions/openxr_fb_composition_layer_secure_content_extension_wrapper.h"
@@ -144,6 +145,9 @@ void initialize_plugin_module(ModuleInitializationLevel p_level) {
 			ClassDB::register_class<OpenXRFbCompositionLayerSettingsExtensionWrapper>();
 			OpenXRFbCompositionLayerSettingsExtensionWrapper::get_singleton()->register_extension_wrapper();
 
+			ClassDB::register_class<OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper>();
+			OpenXRFbAndroidSurfaceSwapchainCreateExtensionWrapper::get_singleton()->register_extension_wrapper();
+
 			ClassDB::register_class<OpenXRHtcFacialTrackingExtensionWrapper>();
 			OpenXRHtcFacialTrackingExtensionWrapper::get_singleton()->register_extension_wrapper();