зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
1.7 KiB
C++
73 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 MOZILLA_GFX_RENDERCOMPOSITOR_H
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#define MOZILLA_GFX_RENDERCOMPOSITOR_H
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#include "mozilla/RefPtr.h"
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#include "mozilla/UniquePtr.h"
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#include "Units.h"
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namespace mozilla {
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namespace gl {
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class GLContext;
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}
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namespace layers {
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class SyncObjectHost;
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}
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namespace widget {
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class CompositorWidget;
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}
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namespace wr {
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class RenderCompositor {
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public:
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static UniquePtr<RenderCompositor> Create(
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RefPtr<widget::CompositorWidget>&& aWidget);
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RenderCompositor(RefPtr<widget::CompositorWidget>&& aWidget);
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virtual ~RenderCompositor();
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virtual bool BeginFrame() = 0;
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virtual void EndFrame() = 0;
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// Returns false when waiting gpu tasks is failed.
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// It might happen when rendering context is lost.
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virtual bool WaitForGPU() { return true; }
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virtual void Pause() = 0;
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virtual bool Resume() = 0;
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virtual gl::GLContext* gl() const { return nullptr; }
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virtual bool MakeCurrent();
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virtual bool UseANGLE() const { return false; }
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virtual bool UseDComp() const { return false; }
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virtual bool UseTripleBuffering() const { return false; }
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virtual LayoutDeviceIntSize GetBufferSize() = 0;
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widget::CompositorWidget* GetWidget() const { return mWidget; }
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layers::SyncObjectHost* GetSyncObject() const { return mSyncObject.get(); }
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virtual bool IsContextLost();
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protected:
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RefPtr<widget::CompositorWidget> mWidget;
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RefPtr<layers::SyncObjectHost> mSyncObject;
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};
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} // namespace wr
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} // namespace mozilla
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#endif
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