diff --git a/gfx/2d/DrawCommand.h b/gfx/2d/DrawCommand.h
index 7f8d8cc52593..9333a152e779 100644
--- a/gfx/2d/DrawCommand.h
+++ b/gfx/2d/DrawCommand.h
@@ -29,6 +29,7 @@ enum class CommandType : int8_t {
   COPYSURFACE,
   COPYRECT,
   FILLRECT,
+  FILLROUNDEDRECT,
   STROKERECT,
   STROKELINE,
   STROKE,
diff --git a/gfx/2d/DrawCommands.h b/gfx/2d/DrawCommands.h
index 216b2455e588..89318d1a9b82 100644
--- a/gfx/2d/DrawCommands.h
+++ b/gfx/2d/DrawCommands.h
@@ -369,6 +369,38 @@ class FillRectCommand : public DrawingCommand {
   DrawOptions mOptions;
 };
 
+class FillRoundedRectCommand : public DrawingCommand {
+ public:
+  FillRoundedRectCommand(const RoundedRect& aRect, const Pattern& aPattern,
+                         const DrawOptions& aOptions)
+      : mRect(aRect), mPattern(aPattern), mOptions(aOptions) {}
+
+  CommandType GetType() const override { return FillRoundedRectCommand::Type; }
+
+  void CloneInto(CaptureCommandList* aList) override {
+    CLONE_INTO(FillRoundedRectCommand)(mRect, mPattern, mOptions);
+  }
+
+  void ExecuteOnDT(DrawTarget* aDT, const Matrix*) const override {
+    aDT->FillRoundedRect(mRect, mPattern, mOptions);
+  }
+
+  void Log(TreeLog& aStream) const override {
+    aStream << "[FillRoundedRect rect=" << mRect.rect;
+    aStream << " pattern=" << mPattern.Get();
+    aStream << " opt=" << mOptions;
+    aStream << "]";
+  }
+
+  static const bool AffectsSnapshot = true;
+  static const CommandType Type = CommandType::FILLROUNDEDRECT;
+
+ private:
+  RoundedRect mRect;
+  StoredPattern mPattern;
+  DrawOptions mOptions;
+};
+
 class StrokeRectCommand : public StrokeOptionsCommand {
  public:
   StrokeRectCommand(const Rect& aRect, const Pattern& aPattern,
diff --git a/gfx/2d/DrawTargetCapture.cpp b/gfx/2d/DrawTargetCapture.cpp
index 7ee399293cb1..c89147acd739 100644
--- a/gfx/2d/DrawTargetCapture.cpp
+++ b/gfx/2d/DrawTargetCapture.cpp
@@ -189,6 +189,12 @@ void DrawTargetCaptureImpl::FillRect(const Rect& aRect, const Pattern& aPattern,
   AppendCommand(FillRectCommand)(aRect, aPattern, aOptions);
 }
 
+void DrawTargetCaptureImpl::FillRoundedRect(const RoundedRect& aRect,
+                                            const Pattern& aPattern,
+                                            const DrawOptions& aOptions) {
+  AppendCommand(FillRoundedRectCommand)(aRect, aPattern, aOptions);
+}
+
 void DrawTargetCaptureImpl::StrokeRect(const Rect& aRect,
                                        const Pattern& aPattern,
                                        const StrokeOptions& aStrokeOptions,
diff --git a/gfx/2d/DrawTargetCapture.h b/gfx/2d/DrawTargetCapture.h
index f1f05f1efa82..c5467df794c0 100644
--- a/gfx/2d/DrawTargetCapture.h
+++ b/gfx/2d/DrawTargetCapture.h
@@ -65,6 +65,9 @@ class DrawTargetCaptureImpl : public DrawTargetCapture {
 
   virtual void FillRect(const Rect &aRect, const Pattern &aPattern,
                         const DrawOptions &aOptions = DrawOptions()) override;
+  virtual void FillRoundedRect(
+      const RoundedRect &aRect, const Pattern &aPattern,
+      const DrawOptions &aOptions = DrawOptions()) override;
   virtual void StrokeRect(const Rect &aRect, const Pattern &aPattern,
                           const StrokeOptions &aStrokeOptions = StrokeOptions(),
                           const DrawOptions &aOptions = DrawOptions()) override;