Merge pull request #85939 from adamscott/single-threaded-godot-4

Add `THREADS_ENABLED` macro in order to compile Godot to run on the main thread

2 files changed, 18 insertions, 8 deletions

diff --git a/platform/web/js/engine/features.js b/platform/web/js/engine/features.js
index b7c6c9d445..81bc82f3c6 100644
--- a/platform/web/js/engine/features.js
+++ b/platform/web/js/engine/features.js
@@ -72,8 +72,14 @@ const Features = { // eslint-disable-line no-unused-vars
 	 *
 	 * @returns {Array<string>} A list of human-readable missing features.
 	 * @function Engine.getMissingFeatures
+	 * @typedef {{ threads: boolean }} SupportedFeatures
+	 * @param {SupportedFeatures} supportedFeatures
 	 */
-	getMissingFeatures: function () {
+	getMissingFeatures: function (supportedFeatures = {}) {
+		const {
+			threads: supportsThreads = true,
+		} = supportedFeatures;
+
 		const missing = [];
 		if (!Features.isWebGLAvailable(2)) {
 			missing.push('WebGL2 - Check web browser configuration and hardware support');
@@ -84,12 +90,16 @@ const Features = { // eslint-disable-line no-unused-vars
 		if (!Features.isSecureContext()) {
 			missing.push('Secure Context - Check web server configuration (use HTTPS)');
 		}
-		if (!Features.isCrossOriginIsolated()) {
-			missing.push('Cross Origin Isolation - Check web server configuration (send correct headers)');
-		}
-		if (!Features.isSharedArrayBufferAvailable()) {
-			missing.push('SharedArrayBuffer - Check web server configuration (send correct headers)');
+
+		if (supportsThreads) {
+			if (!Features.isCrossOriginIsolated()) {
+				missing.push('Cross-Origin Isolation - Check that the web server configuration sends the correct headers.');
+			}
+			if (!Features.isSharedArrayBufferAvailable()) {
+				missing.push('SharedArrayBuffer - Check that the web server configuration sends the correct headers.');
+			}
 		}
+
 		// Audio is normally optional since we have a dummy fallback.
 		return missing;
 	},
diff --git a/platform/web/js/libs/audio.worklet.js b/platform/web/js/libs/audio.worklet.js
index 89b581b3d6..3b94cab85c 100644
--- a/platform/web/js/libs/audio.worklet.js
+++ b/platform/web/js/libs/audio.worklet.js
@@ -167,7 +167,7 @@ class GodotProcessor extends AudioWorkletProcessor {
 				GodotProcessor.write_input(this.input_buffer, input);
 				this.input.write(this.input_buffer);
 			} else {
-				this.port.postMessage('Input buffer is full! Skipping input frame.');
+				// this.port.postMessage('Input buffer is full! Skipping input frame.'); // Uncomment this line to debug input buffer.
 			}
 		}
 		const process_output = GodotProcessor.array_has_data(outputs);
@@ -184,7 +184,7 @@ class GodotProcessor extends AudioWorkletProcessor {
 					this.port.postMessage({ 'cmd': 'read', 'data': chunk });
 				}
 			} else {
-				this.port.postMessage('Output buffer has not enough frames! Skipping output frame.');
+				// this.port.postMessage('Output buffer has not enough frames! Skipping output frame.'); // Uncomment this line to debug output buffer.
 			}
 		}
 		this.process_notify();