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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /gfx/layers/ipc/VideoBridgeChild.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/ipc/VideoBridgeChild.h')
-rw-r--r--gfx/layers/ipc/VideoBridgeChild.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/gfx/layers/ipc/VideoBridgeChild.h b/gfx/layers/ipc/VideoBridgeChild.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 MOZILLA_GFX_VIDEOBRIDGECHILD_H
+#define MOZILLA_GFX_VIDEOBRIDGECHILD_H
+
+#include "mozilla/layers/PVideoBridgeChild.h"
+#include "mozilla/layers/VideoBridgeUtils.h"
+#include "ISurfaceAllocator.h"
+#include "TextureForwarder.h"
+
+namespace mozilla {
+namespace layers {
+
+class SynchronousTask;
+
+class VideoBridgeChild final : public PVideoBridgeChild,
+ public TextureForwarder {
+ public:
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VideoBridgeChild, override);
+
+ static void StartupForGPUProcess();
+ static void Shutdown();
+
+ static VideoBridgeChild* GetSingleton();
+
+ // PVideoBridgeChild
+ PTextureChild* AllocPTextureChild(const SurfaceDescriptor& aSharedData,
+ ReadLockDescriptor& aReadLock,
+ const LayersBackend& aLayersBackend,
+ const TextureFlags& aFlags,
+ const dom::ContentParentId& aContentId,
+ const uint64_t& aSerial);
+ bool DeallocPTextureChild(PTextureChild* actor);
+
+ void ActorDestroy(ActorDestroyReason aWhy) override;
+
+ // ISurfaceAllocator
+ bool AllocUnsafeShmem(size_t aSize, mozilla::ipc::Shmem* aShmem) override;
+ bool AllocShmem(size_t aSize, mozilla::ipc::Shmem* aShmem) override;
+ bool DeallocShmem(mozilla::ipc::Shmem& aShmem) override;
+
+ // TextureForwarder
+ PTextureChild* CreateTexture(
+ const SurfaceDescriptor& aSharedData, ReadLockDescriptor&& aReadLock,
+ LayersBackend aLayersBackend, TextureFlags aFlags,
+ const dom::ContentParentId& aContentId, uint64_t aSerial,
+ wr::MaybeExternalImageId& aExternalImageId) override;
+
+ // ClientIPCAllocator
+ base::ProcessId GetParentPid() const override { return OtherPid(); }
+ nsISerialEventTarget* GetThread() const override { return mThread; }
+ void CancelWaitForNotifyNotUsed(uint64_t aTextureId) override {
+ MOZ_ASSERT(false, "NO RECYCLING HERE");
+ }
+
+ // ISurfaceAllocator
+ bool IsSameProcess() const override;
+
+ bool CanSend() { return mCanSend; }
+
+ static void Open(Endpoint<PVideoBridgeChild>&& aEndpoint);
+
+ protected:
+ void HandleFatalError(const char* aMsg) override;
+ bool DispatchAllocShmemInternal(size_t aSize, mozilla::ipc::Shmem* aShmem,
+ bool aUnsafe);
+ void ProxyAllocShmemNow(SynchronousTask* aTask, size_t aSize,
+ mozilla::ipc::Shmem* aShmem, bool aUnsafe,
+ bool* aSuccess);
+ void ProxyDeallocShmemNow(SynchronousTask* aTask, mozilla::ipc::Shmem* aShmem,
+ bool* aResult);
+
+ private:
+ VideoBridgeChild();
+ virtual ~VideoBridgeChild();
+
+ nsCOMPtr<nsISerialEventTarget> mThread;
+ bool mCanSend;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif