1 files changed, 39 insertions, 0 deletions
diff --git a/gfx/2d/MatrixFwd.h b/gfx/2d/MatrixFwd.h
new file mode 100644
index 0000000000..494aadb887
--- /dev/null
+++ b/gfx/2d/MatrixFwd.h
@@ -0,0 +1,39 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef MOZILLA_GFX_MATRIX_FWD_H_
+#define MOZILLA_GFX_MATRIX_FWD_H_
+
+// Forward declare enough things to define the typedefs |Matrix| and
+// |Matrix4x4|.
+
+namespace mozilla {
+namespace gfx {
+
+template <class T>
+class BaseMatrix;
+
+typedef float Float;
+typedef BaseMatrix<Float> Matrix;
+
+typedef double Double;
+typedef BaseMatrix<Double> MatrixDouble;
+
+struct UnknownUnits;
+
+template <class SourceUnits, class TargetUnits, class T = Float>
+class Matrix4x4Typed;
+template <class SourceUnits, class TargetUnits>
+class Matrix4x4TypedFlagged;
+
+typedef Matrix4x4Typed<UnknownUnits, UnknownUnits> Matrix4x4;
+typedef Matrix4x4Typed<UnknownUnits, UnknownUnits, double> Matrix4x4Double;
+typedef Matrix4x4TypedFlagged<UnknownUnits, UnknownUnits> Matrix4x4Flagged;
+
+}  // namespace gfx
+}  // namespace mozilla
+
+#endif