summaryrefslogtreecommitdiffstats
path: root/gfx/layers/OOPCanvasRenderer.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:44:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:44:51 +0000
commit9e3c08db40b8916968b9f30096c7be3f00ce9647 (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /gfx/layers/OOPCanvasRenderer.h
parentInitial commit. (diff)
downloadthunderbird-9e3c08db40b8916968b9f30096c7be3f00ce9647.tar.xz
thunderbird-9e3c08db40b8916968b9f30096c7be3f00ce9647.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/OOPCanvasRenderer.h')
-rw-r--r--gfx/layers/OOPCanvasRenderer.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/gfx/layers/OOPCanvasRenderer.h b/gfx/layers/OOPCanvasRenderer.h
new file mode 100644
index 0000000000..bc56a2a5fa
--- /dev/null
+++ b/gfx/layers/OOPCanvasRenderer.h
@@ -0,0 +1,53 @@
+/* -*- 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_LAYERS_OOPCANVASRENDERER_H_
+#define MOZILLA_LAYERS_OOPCANVASRENDERER_H_
+
+#include "nsISupportsImpl.h"
+
+class nsICanvasRenderingContextInternal;
+
+namespace mozilla {
+
+namespace dom {
+class HTMLCanvasElement;
+}
+
+namespace layers {
+class CanvasClient;
+
+/**
+ * This renderer works with WebGL running in the host process. It does
+ * not perform any graphics operations itself -- it is the client-side
+ * representation. It forwards WebGL composition to the remote process.
+ */
+class OOPCanvasRenderer final {
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(OOPCanvasRenderer)
+
+ public:
+ explicit OOPCanvasRenderer(nsICanvasRenderingContextInternal* aContext)
+ : mContext(aContext) {}
+
+ dom::HTMLCanvasElement* mHTMLCanvasElement = nullptr;
+
+ // The ClientWebGLContext that this is for
+ nsICanvasRenderingContextInternal* mContext = nullptr;
+
+ // The lifetime of this pointer is controlled by OffscreenCanvas
+ // Can be accessed in active thread and ImageBridge thread.
+ // But we never accessed it at the same time on both thread. So no
+ // need to protect this member.
+ CanvasClient* mCanvasClient = nullptr;
+
+ private:
+ ~OOPCanvasRenderer() = default;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // MOZILLA_LAYERS_OOPCANVASRENDERER_H_