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Code Releases Wiki Activity

Implement OpenXR Foveated rendering support

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This commit is contained in:
Bastiaan Olij
2023-08-21 17:45:28 +10:00
parent df0a822323
commit d7d334158a
15 changed files with 675 additions and 74 deletions
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102
modules/openxr/extensions/openxr_fb_update_swapchain_extension.cpp Normal file
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/**************************************************************************/
/* openxr_fb_update_swapchain_extension.cpp */
/**************************************************************************/
/* 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. */
/**************************************************************************/
#include "openxr_fb_update_swapchain_extension.h"
// always include this as late as possible
#include "../openxr_platform_inc.h"
OpenXRFBUpdateSwapchainExtension *OpenXRFBUpdateSwapchainExtension::singleton = nullptr;
OpenXRFBUpdateSwapchainExtension *OpenXRFBUpdateSwapchainExtension::get_singleton() {
return singleton;
}
OpenXRFBUpdateSwapchainExtension::OpenXRFBUpdateSwapchainExtension(const String &p_rendering_driver) {
singleton = this;
rendering_driver = p_rendering_driver;
}
OpenXRFBUpdateSwapchainExtension::~OpenXRFBUpdateSwapchainExtension() {
singleton = nullptr;
}
HashMap<String, bool *> OpenXRFBUpdateSwapchainExtension::get_requested_extensions() {
HashMap<String, bool *> request_extensions;
request_extensions[XR_FB_SWAPCHAIN_UPDATE_STATE_EXTENSION_NAME] = &fb_swapchain_update_state_ext;
if (rendering_driver == "vulkan") {
#ifdef XR_USE_GRAPHICS_API_VULKAN
request_extensions[XR_FB_SWAPCHAIN_UPDATE_STATE_VULKAN_EXTENSION_NAME] = &fb_swapchain_update_state_vulkan_ext;
#endif
} else if (rendering_driver == "opengl3") {
#ifdef XR_USE_GRAPHICS_API_OPENGL_ES
request_extensions[XR_FB_SWAPCHAIN_UPDATE_STATE_OPENGL_ES_EXTENSION_NAME] = &fb_swapchain_update_state_opengles_ext;
#endif
}
return request_extensions;
}
void OpenXRFBUpdateSwapchainExtension::on_instance_created(const XrInstance p_instance) {
if (fb_swapchain_update_state_ext) {
EXT_INIT_XR_FUNC(xrUpdateSwapchainFB);
EXT_INIT_XR_FUNC(xrGetSwapchainStateFB);
}
if (fb_swapchain_update_state_vulkan_ext) {
// nothing to register here...
}
if (fb_swapchain_update_state_opengles_ext) {
// nothing to register here...
}
}
void OpenXRFBUpdateSwapchainExtension::on_instance_destroyed() {
fb_swapchain_update_state_ext = false;
fb_swapchain_update_state_vulkan_ext = false;
fb_swapchain_update_state_opengles_ext = false;
}
bool OpenXRFBUpdateSwapchainExtension::is_enabled() const {
if (rendering_driver == "vulkan") {
return fb_swapchain_update_state_ext && fb_swapchain_update_state_vulkan_ext;
} else if (rendering_driver == "opengl3") {
#ifdef XR_USE_GRAPHICS_API_OPENGL_ES
return fb_swapchain_update_state_ext && fb_swapchain_update_state_opengles_ext;
#else
return fb_swapchain_update_state_ext;
#endif
}
return false;
}