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https://github.com/godotengine/godot
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103 lines
4.4 KiB
C++
103 lines
4.4 KiB
C++
/**************************************************************************/
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/* openxr_fb_update_swapchain_extension.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "openxr_fb_update_swapchain_extension.h"
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// Always include this as late as possible.
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#include "../openxr_platform_inc.h"
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OpenXRFBUpdateSwapchainExtension *OpenXRFBUpdateSwapchainExtension::singleton = nullptr;
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OpenXRFBUpdateSwapchainExtension *OpenXRFBUpdateSwapchainExtension::get_singleton() {
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return singleton;
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}
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OpenXRFBUpdateSwapchainExtension::OpenXRFBUpdateSwapchainExtension(const String &p_rendering_driver) {
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singleton = this;
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rendering_driver = p_rendering_driver;
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}
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OpenXRFBUpdateSwapchainExtension::~OpenXRFBUpdateSwapchainExtension() {
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singleton = nullptr;
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}
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HashMap<String, bool *> OpenXRFBUpdateSwapchainExtension::get_requested_extensions() {
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HashMap<String, bool *> request_extensions;
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request_extensions[XR_FB_SWAPCHAIN_UPDATE_STATE_EXTENSION_NAME] = &fb_swapchain_update_state_ext;
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if (rendering_driver == "vulkan") {
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#ifdef XR_USE_GRAPHICS_API_VULKAN
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request_extensions[XR_FB_SWAPCHAIN_UPDATE_STATE_VULKAN_EXTENSION_NAME] = &fb_swapchain_update_state_vulkan_ext;
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#endif
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} else if (rendering_driver == "opengl3") {
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#ifdef XR_USE_GRAPHICS_API_OPENGL_ES
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request_extensions[XR_FB_SWAPCHAIN_UPDATE_STATE_OPENGL_ES_EXTENSION_NAME] = &fb_swapchain_update_state_opengles_ext;
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#endif
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}
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return request_extensions;
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}
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void OpenXRFBUpdateSwapchainExtension::on_instance_created(const XrInstance p_instance) {
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if (fb_swapchain_update_state_ext) {
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EXT_INIT_XR_FUNC(xrUpdateSwapchainFB);
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EXT_INIT_XR_FUNC(xrGetSwapchainStateFB);
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}
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if (fb_swapchain_update_state_vulkan_ext) {
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// nothing to register here...
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}
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if (fb_swapchain_update_state_opengles_ext) {
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// nothing to register here...
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}
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}
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void OpenXRFBUpdateSwapchainExtension::on_instance_destroyed() {
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fb_swapchain_update_state_ext = false;
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fb_swapchain_update_state_vulkan_ext = false;
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fb_swapchain_update_state_opengles_ext = false;
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}
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bool OpenXRFBUpdateSwapchainExtension::is_enabled() const {
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if (rendering_driver == "vulkan") {
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return fb_swapchain_update_state_ext && fb_swapchain_update_state_vulkan_ext;
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} else if (rendering_driver == "opengl3") {
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#ifdef XR_USE_GRAPHICS_API_OPENGL_ES
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return fb_swapchain_update_state_ext && fb_swapchain_update_state_opengles_ext;
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#else
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return fb_swapchain_update_state_ext;
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#endif
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}
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return false;
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}
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