initial commit, 4.5 stable

modules/openxr/openxr_util.h

@@ -0,0 +1,67 @@
+/**************************************************************************/
+/*  openxr_util.h                                                         */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* 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 "core/string/ustring.h"
+
+#include <openxr/openxr.h>
+
+class OpenXRUtil {
+public:
+	static String get_view_configuration_name(XrViewConfigurationType p_view_configuration);
+	static String get_reference_space_name(XrReferenceSpaceType p_reference_space);
+	static String get_structure_type_name(XrStructureType p_structure_type);
+	static String get_session_state_name(XrSessionState p_session_state);
+	static String get_action_type_name(XrActionType p_action_type);
+	static String get_environment_blend_mode_name(XrEnvironmentBlendMode p_blend_mode);
+	static String make_xr_version_string(XrVersion p_version);
+
+	// Copied from OpenXR xr_linear.h private header, so we can still link against
+	// system-provided packages without relying on our `thirdparty` code.
+
+	// Column-major, pre-multiplied. This type does not exist in the OpenXR API and is provided for convenience.
+	typedef struct XrMatrix4x4f {
+		float m[16];
+	} XrMatrix4x4f;
+
+	typedef enum GraphicsAPI {
+		GRAPHICS_VULKAN,
+		GRAPHICS_OPENGL,
+		GRAPHICS_OPENGL_ES,
+		GRAPHICS_D3D
+	} GraphicsAPI;
+
+	static void XrMatrix4x4f_CreateProjection(XrMatrix4x4f *result, GraphicsAPI graphicsApi, const float tanAngleLeft,
+			const float tanAngleRight, const float tanAngleUp, float const tanAngleDown,
+			const float nearZ, const float farZ);
+	static void XrMatrix4x4f_CreateProjectionFov(XrMatrix4x4f *result, GraphicsAPI graphicsApi, const XrFovf fov,
+			const float nearZ, const float farZ);
+};