зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
2.0 KiB
C++
66 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=99: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _include_mozilla_gfx_ipc_CompositorOptions_h_
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#define _include_mozilla_gfx_ipc_CompositorOptions_h_
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namespace IPC {
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template <typename> struct ParamTraits;
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} // namespace IPC
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namespace mozilla {
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namespace layers {
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/**
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* This class holds options that are "per compositor" - that is, these options
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* affect a particular CompositorBridgeParent and all the content that it
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* renders.
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*
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* This class is intended to be created by a platform widget (but NOT
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* PuppetWidget) and passed to the graphics code during initialization of the
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* top level compositor associated with that widget. The options are immutable
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* after creation. The CompositorBridgeParent holds the canonical version of
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* the options, but they may be accessed by other parts of the code as needed,
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* and are accessible to content processes over PCompositorBridge as well.
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*/
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class CompositorOptions
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{
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public:
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// This constructor needed for IPDL purposes, don't use it anywhere else.
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CompositorOptions()
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: mUseAPZ(false)
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, mUseWebRender(false)
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{
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}
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explicit CompositorOptions(bool aUseAPZ,
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bool aUseWebRender)
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: mUseAPZ(aUseAPZ)
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, mUseWebRender(aUseWebRender)
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{
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}
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bool UseAPZ() const { return mUseAPZ; }
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bool UseWebRender() const { return mUseWebRender; }
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bool operator==(const CompositorOptions& aOther) {
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return mUseAPZ == aOther.mUseAPZ &&
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mUseWebRender == aOther.mUseWebRender;
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}
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friend struct IPC::ParamTraits<CompositorOptions>;
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private:
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bool mUseAPZ;
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bool mUseWebRender;
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// Make sure to add new fields to the ParamTraits implementation
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};
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} // namespace layers
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} // namespace mozilla
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#endif // _include_mozilla_gfx_ipc_CompositorOptions_h_
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