diff options
Diffstat (limited to 'gfx/ipc/CompositorOptions.h')
-rw-r--r-- | gfx/ipc/CompositorOptions.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/gfx/ipc/CompositorOptions.h b/gfx/ipc/CompositorOptions.h new file mode 100644 index 0000000000..31b538b772 --- /dev/null +++ b/gfx/ipc/CompositorOptions.h @@ -0,0 +1,79 @@ +/* -*- 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_mozilla_gfx_ipc_CompositorOptions_h_ +#define _include_mozilla_gfx_ipc_CompositorOptions_h_ + +namespace IPC { +template <typename> +struct ParamTraits; +} // namespace IPC + +namespace mozilla { +namespace layers { + +/** + * This class holds options that are "per compositor" - that is, these options + * affect a particular CompositorBridgeParent and all the content that it + * renders. + * + * This class is intended to be created by a platform widget (but NOT + * PuppetWidget) and passed to the graphics code during initialization of the + * top level compositor associated with that widget. The options are immutable + * after creation. The CompositorBridgeParent holds the canonical version of + * the options, but they may be accessed by other parts of the code as needed, + * and are accessible to content processes over PCompositorBridge as well. + */ +class CompositorOptions { + public: + // This constructor needed for IPDL purposes, don't use it anywhere else. + CompositorOptions() + : mUseAPZ(false), + mUseWebRender(false), + mUseAdvancedLayers(false), + mInitiallyPaused(false) {} + + CompositorOptions(bool aUseAPZ, bool aUseWebRender) + : mUseAPZ(aUseAPZ), + mUseWebRender(aUseWebRender), + mUseAdvancedLayers(false), + mInitiallyPaused(false) {} + + bool UseAPZ() const { return mUseAPZ; } + bool UseWebRender() const { return mUseWebRender; } + bool UseAdvancedLayers() const { return mUseAdvancedLayers; } + bool InitiallyPaused() const { return mInitiallyPaused; } + + void SetUseAPZ(bool aUseAPZ) { mUseAPZ = aUseAPZ; } + + void SetUseAdvancedLayers(bool aUseAdvancedLayers) { + mUseAdvancedLayers = aUseAdvancedLayers; + } + + void SetInitiallyPaused(bool aPauseAtStartup) { + mInitiallyPaused = aPauseAtStartup; + } + + bool operator==(const CompositorOptions& aOther) const { + return mUseAPZ == aOther.mUseAPZ && mUseWebRender == aOther.mUseWebRender && + mUseAdvancedLayers == aOther.mUseAdvancedLayers; + } + + friend struct IPC::ParamTraits<CompositorOptions>; + + private: + bool mUseAPZ; + bool mUseWebRender; + bool mUseAdvancedLayers; + bool mInitiallyPaused; + + // Make sure to add new fields to the ParamTraits implementation + // in LayersMessageUtils.h +}; + +} // namespace layers +} // namespace mozilla + +#endif // _include_mozilla_gfx_ipc_CompositorOptions_h_ |