Add Vulkan stubs.

Currently enabled for Windows by default.

BUG=angleproject:1319

Change-Id: I87921c579bee466465fb1e3f629bb3a40fdff659
Reviewed-on: https://chromium-review.googlesource.com/328730
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
diff --git a/src/libANGLE/renderer/vulkan/RenderbufferVk.cpp b/src/libANGLE/renderer/vulkan/RenderbufferVk.cpp
new file mode 100644
index 0000000..18f3947
--- /dev/null
+++ b/src/libANGLE/renderer/vulkan/RenderbufferVk.cpp
@@ -0,0 +1,53 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// RenderbufferVk.cpp:
+//    Implements the class methods for RenderbufferVk.
+//
+
+#include "libANGLE/renderer/vulkan/RenderbufferVk.h"
+
+#include "common/debug.h"
+
+namespace rx
+{
+
+RenderbufferVk::RenderbufferVk() : RenderbufferImpl()
+{
+}
+
+RenderbufferVk::~RenderbufferVk()
+{
+}
+
+gl::Error RenderbufferVk::setStorage(GLenum internalformat, size_t width, size_t height)
+{
+    UNIMPLEMENTED();
+    return gl::Error(GL_INVALID_OPERATION);
+}
+
+gl::Error RenderbufferVk::setStorageMultisample(size_t samples,
+                                                GLenum internalformat,
+                                                size_t width,
+                                                size_t height)
+{
+    UNIMPLEMENTED();
+    return gl::Error(GL_INVALID_OPERATION);
+}
+
+gl::Error RenderbufferVk::setStorageEGLImageTarget(egl::Image *image)
+{
+    UNIMPLEMENTED();
+    return gl::Error(GL_INVALID_OPERATION);
+}
+
+gl::Error RenderbufferVk::getAttachmentRenderTarget(const gl::FramebufferAttachment::Target &target,
+                                                    FramebufferAttachmentRenderTarget **rtOut)
+{
+    UNIMPLEMENTED();
+    return gl::Error(GL_INVALID_OPERATION);
+}
+
+}  // namespace rx