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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /gfx/ipc/CanvasManagerChild.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/ipc/CanvasManagerChild.h')
-rw-r--r--gfx/ipc/CanvasManagerChild.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/gfx/ipc/CanvasManagerChild.h b/gfx/ipc/CanvasManagerChild.h
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+/* -*- 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 _include_gfx_ipc_CanvasManagerChild_h__
+#define _include_gfx_ipc_CanvasManagerChild_h__
+
+#include "mozilla/Atomics.h"
+#include "mozilla/gfx/PCanvasManagerChild.h"
+#include "mozilla/gfx/Types.h"
+#include "mozilla/ThreadLocal.h"
+#include <set>
+
+namespace mozilla {
+namespace dom {
+class CanvasRenderingContext2D;
+class ThreadSafeWorkerRef;
+class WorkerPrivate;
+} // namespace dom
+
+namespace layers {
+class CanvasChild;
+class ActiveResourceTracker;
+} // namespace layers
+
+namespace webgpu {
+class WebGPUChild;
+} // namespace webgpu
+
+namespace gfx {
+class DataSourceSurface;
+
+class CanvasManagerChild final : public PCanvasManagerChild {
+ public:
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CanvasManagerChild, override);
+
+ explicit CanvasManagerChild(uint32_t aId);
+ uint32_t Id() const { return mId; }
+ already_AddRefed<DataSourceSurface> GetSnapshot(
+ uint32_t aManagerId, int32_t aProtocolId,
+ const Maybe<RemoteTextureOwnerId>& aOwnerId, SurfaceFormat aFormat,
+ bool aPremultiply, bool aYFlip);
+ void ActorDestroy(ActorDestroyReason aReason) override;
+
+ static CanvasManagerChild* Get();
+ static CanvasManagerChild* MaybeGet();
+ static void Shutdown();
+ static bool CreateParent(
+ mozilla::ipc::Endpoint<PCanvasManagerParent>&& aEndpoint);
+
+ void AddShutdownObserver(dom::CanvasRenderingContext2D* aCanvas);
+ void RemoveShutdownObserver(dom::CanvasRenderingContext2D* aCanvas);
+
+ bool IsCanvasActive() { return mActive; }
+ void EndCanvasTransaction();
+ void ClearCachedResources();
+ void DeactivateCanvas();
+ void BlockCanvas();
+
+ RefPtr<layers::CanvasChild> GetCanvasChild();
+
+ RefPtr<webgpu::WebGPUChild> GetWebGPUChild();
+
+ layers::ActiveResourceTracker* GetActiveResourceTracker();
+
+ private:
+ ~CanvasManagerChild();
+ void DestroyInternal();
+ void Destroy();
+
+ RefPtr<mozilla::dom::ThreadSafeWorkerRef> mWorkerRef;
+ RefPtr<layers::CanvasChild> mCanvasChild;
+ RefPtr<webgpu::WebGPUChild> mWebGPUChild;
+ UniquePtr<layers::ActiveResourceTracker> mActiveResourceTracker;
+ std::set<dom::CanvasRenderingContext2D*> mActiveCanvas;
+ const uint32_t mId;
+ bool mActive = true;
+ bool mBlocked = false;
+
+ static MOZ_THREAD_LOCAL(CanvasManagerChild*) sLocalManager;
+ static Atomic<uint32_t> sNextId;
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif // _include_gfx_ipc_CanvasManagerChild_h__