Fix support for environment blend modes on `WebXRInterface`

2 files changed, 9 insertions, 1 deletions

diff --git a/modules/webxr/native/library_godot_webxr.js b/modules/webxr/native/library_godot_webxr.js
index 581da4d56f..155409f931 100644
--- a/modules/webxr/native/library_godot_webxr.js
+++ b/modules/webxr/native/library_godot_webxr.js
@@ -322,9 +322,12 @@ const GodotWebXR = {
 						const reference_space_c_str = GodotRuntime.allocString(reference_space_type);
 						const enabled_features = 'enabledFeatures' in session ? Array.from(session.enabledFeatures) : [];
 						const enabled_features_c_str = GodotRuntime.allocString(enabled_features.join(','));
-						onstarted(reference_space_c_str, enabled_features_c_str);
+						const environment_blend_mode = 'environmentBlendMode' in session ? session.environmentBlendMode : '';
+						const environment_blend_mode_c_str = GodotRuntime.allocString(environment_blend_mode);
+						onstarted(reference_space_c_str, enabled_features_c_str, environment_blend_mode_c_str);
 						GodotRuntime.free(reference_space_c_str);
 						GodotRuntime.free(enabled_features_c_str);
+						GodotRuntime.free(environment_blend_mode_c_str);
 					}, 0);
 				}
 
diff --git a/modules/webxr/native/webxr.externs.js b/modules/webxr/native/webxr.externs.js
index 80a7f8d2de..18125d7869 100644
--- a/modules/webxr/native/webxr.externs.js
+++ b/modules/webxr/native/webxr.externs.js
@@ -83,6 +83,11 @@ XRSession.prototype.supportedFrameRates;
 XRSession.prototype.enabledFeatures;
 
 /**
+ * @type {string}
+ */
+XRSession.prototype.environmentBlendMode;
+
+/**
  * @type {?function (Event)}
  */
 XRSession.prototype.onend;