1 files changed, 59 insertions, 0 deletions
diff --git a/browser/base/content/browser-graphics-utils.js b/browser/base/content/browser-graphics-utils.js
new file mode 100644
index 0000000000..4c802409e4
--- /dev/null
+++ b/browser/base/content/browser-graphics-utils.js
@@ -0,0 +1,59 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// This file is loaded into the browser window scope.
+/* eslint-env mozilla/browser-window */
+
+/**
+ * Global browser interface with graphics utilities.
+ */
+var gGfxUtils = {
+  _isRecording: false,
+  _isTransactionLogging: false,
+  _isCapturingFrames: false,
+
+  init() {
+    if (Services.prefs.getBoolPref("gfx.webrender.debug.enable-capture")) {
+      document.getElementById("wrCaptureCmd").removeAttribute("disabled");
+      document
+        .getElementById("wrToggleCaptureSequenceCmd")
+        .removeAttribute("disabled");
+    }
+  },
+
+  /**
+   * Toggle composition recording for the current window.
+   */
+  toggleWindowRecording() {
+    window.windowUtils.setCompositionRecording(!this._isRecording);
+    this._isRecording = !this._isRecording;
+  },
+  /**
+   * Trigger a WebRender capture of the current state into a local folder.
+   */
+  webrenderCapture() {
+    window.windowUtils.wrCapture();
+  },
+
+  captureSequencePath: "wr-capture-sequence",
+  captureSequenceFlags:
+    window.windowUtils.WR_CAPTURE_SCENE |
+    window.windowUtils.WR_CAPTURE_EXTERNALS,
+
+  /**
+   * Trigger a WebRender capture of the current state and future state
+   * into a local folder. If called again, it will stop capturing.
+   */
+  toggleWebrenderCaptureSequence() {
+    this._isCapturingFrames = !this._isCapturingFrames;
+    if (this._isCapturingFrames) {
+      window.windowUtils.wrStartCaptureSequence(
+        this.captureSequencePath,
+        this.captureSequenceFlags
+      );
+    } else {
+      window.windowUtils.wrStopCaptureSequence();
+    }
+  },
+};