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Merge pull request #91775 from dsnopek/openxr-composition-layer-viewport-in-use-bug

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Fix `layer_viewport` getting cleared on `OpenXRCompositionLayer` in editor
This commit is contained in:
Rémi Verschelde 2024-05-10 09:56:15 +02:00
parent d24403d056 a8a7110b90
commit da5714ad6e
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GPG key ID: C3336907360768E1
2 changed files with 20 additions and 19 deletions
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36
modules/openxr/scene/openxr_composition_layer.cpp
View file

@ -38,7 +38,7 @@
#include "scene/3d/xr_nodes.h"
#include "scene/main/viewport.h"
HashSet<SubViewport *> OpenXRCompositionLayer::viewports_in_use;
Vector<OpenXRCompositionLayer *> OpenXRCompositionLayer::composition_layer_nodes;
static const char *HOLE_PUNCH_SHADER_CODE =
"shader_type spatial;\n"
@ -73,9 +73,7 @@ OpenXRCompositionLayer::~OpenXRCompositionLayer() {
openxr_interface->disconnect("session_stopping", callable_mp(this, &OpenXRCompositionLayer::_on_openxr_session_stopping));
}
if (layer_viewport) {
viewports_in_use.erase(layer_viewport);
}
composition_layer_nodes.erase(this);
if (openxr_layer_provider != nullptr) {
memdelete(openxr_layer_provider);
@ -153,22 +151,25 @@ void OpenXRCompositionLayer::update_fallback_mesh() {
should_update_fallback_mesh = true;
}
bool OpenXRCompositionLayer::is_viewport_in_use(SubViewport *p_viewport) {
for (const OpenXRCompositionLayer *other_composition_layer : composition_layer_nodes) {
if (other_composition_layer != this && other_composition_layer->is_inside_tree() && other_composition_layer->get_layer_viewport() == p_viewport) {
return true;
}
}
return false;
}
void OpenXRCompositionLayer::set_layer_viewport(SubViewport *p_viewport) {
if (layer_viewport == p_viewport) {
return;
}
ERR_FAIL_COND_EDMSG(viewports_in_use.has(p_viewport), RTR("Cannot use the same SubViewport with multiple OpenXR composition layers. Clear it from its current layer first."));
if (layer_viewport) {
viewports_in_use.erase(layer_viewport);
}
ERR_FAIL_COND_EDMSG(is_viewport_in_use(p_viewport), RTR("Cannot use the same SubViewport with multiple OpenXR composition layers. Clear it from its current layer first."));
layer_viewport = p_viewport;
if (layer_viewport) {
viewports_in_use.insert(layer_viewport);
SubViewport::UpdateMode update_mode = layer_viewport->get_update_mode();
if (update_mode == SubViewport::UPDATE_WHEN_VISIBLE || update_mode == SubViewport::UPDATE_WHEN_PARENT_VISIBLE) {
WARN_PRINT_ONCE("OpenXR composition layers cannot use SubViewports with UPDATE_WHEN_VISIBLE or UPDATE_WHEN_PARENT_VISIBLE. Switching to UPDATE_ALWAYS.");
@ -306,6 +307,8 @@ void OpenXRCompositionLayer::_reset_fallback_material() {
void OpenXRCompositionLayer::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_POSTINITIALIZE: {
composition_layer_nodes.push_back(this);
if (openxr_layer_provider) {
for (OpenXRExtensionWrapper *extension : OpenXRAPI::get_registered_extension_wrappers()) {
extension_property_values.merge(extension->get_viewport_composition_layer_extension_property_defaults());
@ -340,7 +343,9 @@ void OpenXRCompositionLayer::_notification(int p_what) {
composition_layer_extension->register_viewport_composition_layer_provider(openxr_layer_provider);
}
if (!fallback && layer_viewport && openxr_session_running && is_visible()) {
if (is_viewport_in_use(layer_viewport)) {
set_layer_viewport(nullptr);
} else if (!fallback && layer_viewport && openxr_session_running && is_visible()) {
openxr_layer_provider->set_viewport(layer_viewport->get_viewport_rid(), layer_viewport->get_size());
}
} break;
@ -349,12 +354,7 @@ void OpenXRCompositionLayer::_notification(int p_what) {
composition_layer_extension->unregister_viewport_composition_layer_provider(openxr_layer_provider);
}
// When a node is removed in the editor, we need to clear the layer viewport, because otherwise
// there will be issues with the tracking in viewports_in_use, since nodes deleted in the editor
// aren't really deleted in order to support undo.
if (Engine::get_singleton()->is_editor_hint() && layer_viewport) {
set_layer_viewport(nullptr);
} else if (!fallback) {
if (!fallback) {
// This will clean up existing resources.
openxr_layer_provider->set_viewport(RID(), Size2i());
}

3
modules/openxr/scene/openxr_composition_layer.h
View file

@ -77,7 +77,8 @@ protected:
void update_fallback_mesh();
static HashSet<SubViewport *> viewports_in_use;
static Vector<OpenXRCompositionLayer *> composition_layer_nodes;
bool is_viewport_in_use(SubViewport *p_viewport);
public:
void set_layer_viewport(SubViewport *p_viewport);