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OpenXR: Add OpenXRAPIExtension::update_main_swapchain_size()

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This commit is contained in:
dhoverb
2025-11-06 13:19:53 -06:00
committed by David Hover
parent 68410acc61
commit 8adea5454e
5 changed files with 45 additions and 0 deletions
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6
modules/openxr/doc_classes/OpenXRAPIExtension.xml
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@@ -329,6 +329,12 @@
[b]Note:[/b] This cannot be called while the OpenXR session is still running.
</description>
</method>
<method name="update_main_swapchain_size">
<return type="void" />
<description>
Request the recommended resolution from the OpenXR runtime and update the main swapchain size if it has changed.
</description>
</method>
<method name="xr_result">
<return type="bool" />
<param index="0" name="result" type="int" />

21
modules/openxr/openxr_api.cpp
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@@ -2228,6 +2228,27 @@ void OpenXRAPI::_set_render_state_render_region_rt(const Rect2i &p_render_region
openxr_api->render_state.render_region = p_render_region;
}
void OpenXRAPI::_update_main_swapchain_size_rt() {
ERR_NOT_ON_RENDER_THREAD;
OpenXRAPI *openxr_api = OpenXRAPI::get_singleton();
ERR_FAIL_NULL(openxr_api);
uint32_t view_count_output = 0;
XrResult result = openxr_api->xrEnumerateViewConfigurationViews(openxr_api->instance, openxr_api->system_id, openxr_api->view_configuration, openxr_api->get_view_count(), &view_count_output, openxr_api->view_configuration_views.ptr());
if (XR_FAILED(result)) {
return;
}
#ifdef DEBUG_ENABLED
for (uint32_t i = 0; i < view_count_output; i++) {
print_verbose("OpenXR: Recommended resolution changed");
print_verbose(String(" - recommended render width: ") + itos(openxr_api->view_configuration_views[i].recommendedImageRectWidth));
print_verbose(String(" - recommended render height: ") + itos(openxr_api->view_configuration_views[i].recommendedImageRectHeight));
}
#endif
}
bool OpenXRAPI::process() {
ERR_FAIL_COND_V(instance == XR_NULL_HANDLE, false);

9
modules/openxr/openxr_api.h
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@@ -371,6 +371,7 @@ private:
static void _set_render_environment_blend_mode_rt(int32_t p_environment_blend_mode);
static void _set_render_state_multiplier_rt(double p_render_target_size_multiplier);
static void _set_render_state_render_region_rt(const Rect2i &p_render_region);
static void _update_main_swapchain_size_rt();
_FORCE_INLINE_ void allocate_view_buffers(uint32_t p_view_count, bool p_submit_depth_buffer) {
// If we're rendering on a separate thread, we may still be processing the last frame, don't communicate this till we're ready...
@@ -428,6 +429,13 @@ private:
}
public:
_FORCE_INLINE_ void update_main_swapchain_size() {
RenderingServer *rendering_server = RenderingServer::get_singleton();
ERR_FAIL_NULL(rendering_server);
rendering_server->call_on_render_thread(callable_mp_static(&OpenXRAPI::_update_main_swapchain_size_rt));
}
XrInstance get_instance() const { return instance; }
XrSystemId get_system_id() const { return system_id; }
XrSession get_session() const { return session; }
@@ -607,6 +615,7 @@ public:
void unregister_frame_info_extension(OpenXRExtensionWrapper *p_extension);
const Vector<XrEnvironmentBlendMode> get_supported_environment_blend_modes();
bool is_environment_blend_mode_supported(XrEnvironmentBlendMode p_blend_mode) const;
bool set_environment_blend_mode(XrEnvironmentBlendMode p_blend_mode);
XrEnvironmentBlendMode get_environment_blend_mode() const { return requested_environment_blend_mode; }

7
modules/openxr/openxr_api_extension.cpp
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@@ -95,6 +95,8 @@ void OpenXRAPIExtension::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_emulate_environment_blend_mode_alpha_blend", "enabled"), &OpenXRAPIExtension::set_emulate_environment_blend_mode_alpha_blend);
ClassDB::bind_method(D_METHOD("is_environment_blend_mode_alpha_supported"), &OpenXRAPIExtension::is_environment_blend_mode_alpha_blend_supported);
ClassDB::bind_method(D_METHOD("update_main_swapchain_size"), &OpenXRAPIExtension::update_main_swapchain_size);
BIND_ENUM_CONSTANT(OPENXR_ALPHA_BLEND_MODE_SUPPORT_NONE);
BIND_ENUM_CONSTANT(OPENXR_ALPHA_BLEND_MODE_SUPPORT_REAL);
BIND_ENUM_CONSTANT(OPENXR_ALPHA_BLEND_MODE_SUPPORT_EMULATING);
@@ -348,6 +350,11 @@ void OpenXRAPIExtension::set_render_region(const Rect2i &p_render_region) {
OpenXRAPI::get_singleton()->set_render_region(p_render_region);
}
void OpenXRAPIExtension::update_main_swapchain_size() {
ERR_FAIL_NULL(OpenXRAPI::get_singleton());
OpenXRAPI::get_singleton()->update_main_swapchain_size();
}
void OpenXRAPIExtension::set_emulate_environment_blend_mode_alpha_blend(bool p_enabled) {
ERR_FAIL_NULL(OpenXRAPI::get_singleton());
OpenXRAPI::get_singleton()->set_emulate_environment_blend_mode_alpha_blend(p_enabled);

2
modules/openxr/openxr_api_extension.h
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@@ -119,6 +119,8 @@ public:
void set_render_region(const Rect2i &p_render_region);
void update_main_swapchain_size();
enum OpenXRAlphaBlendModeSupport {
OPENXR_ALPHA_BLEND_MODE_SUPPORT_NONE = 0,
OPENXR_ALPHA_BLEND_MODE_SUPPORT_REAL = 1,