1 files changed, 43 insertions, 0 deletions
diff --git a/dom/canvas/WebGLFramebufferAttachable.cpp b/dom/canvas/WebGLFramebufferAttachable.cpp
new file mode 100644
index 000000000..fd92b80f8
--- /dev/null
+++ b/dom/canvas/WebGLFramebufferAttachable.cpp
@@ -0,0 +1,43 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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/. */
+
+#include "WebGLFramebufferAttachable.h"
+
+#include "WebGLFramebuffer.h"
+
+namespace mozilla {
+
+void
+WebGLFramebufferAttachable::MarkAttachment(const WebGLFBAttachPoint& attachment)
+{
+    if (mAttachmentPoints.Contains(&attachment))
+        return; // Already attached. Ignore.
+
+    mAttachmentPoints.AppendElement(&attachment);
+}
+
+void
+WebGLFramebufferAttachable::UnmarkAttachment(const WebGLFBAttachPoint& attachment)
+{
+    const size_t i = mAttachmentPoints.IndexOf(&attachment);
+    if (i == mAttachmentPoints.NoIndex) {
+        MOZ_ASSERT(false, "Is not attached to FB");
+        return;
+    }
+
+    mAttachmentPoints.RemoveElementAt(i);
+}
+
+void
+WebGLFramebufferAttachable::InvalidateStatusOfAttachedFBs() const
+{
+    const size_t count = mAttachmentPoints.Length();
+    for (size_t i = 0; i < count; ++i) {
+        MOZ_ASSERT(mAttachmentPoints[i]->mFB);
+        mAttachmentPoints[i]->mFB->InvalidateFramebufferStatus();
+    }
+}
+
+} // namespace mozilla