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Viewing changes to shared/browser/compositor/oxide_compositor_output_surface_gl.h

  • Committer: Chris Coulson
  • Date: 2016-02-26 18:27:48 UTC
  • Revision ID: chris.coulson@canonical.com-20160226182748-bqhc23qxs09cpg33
https://launchpad.net/bugs/1549459
https://launchpad.net/bugs/1426153
Switch to a single-threaded webview compositor

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shared/browser/compositor/oxide_compositor_output_surface_gl.h
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// vim:expandtab:shiftwidth=2:tabstop=2:
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// Copyright (C) 2014-2015 Canonical Ltd.
 
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// Copyright (C) 2014-2016 Canonical Ltd.
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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#include <deque>
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#include <queue>
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#include "base/compiler_specific.h"
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#include "base/macros.h"
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#include "gpu/command_buffer/common/mailbox.h"
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#include "ui/gfx/geometry/size.h"
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  CompositorOutputSurfaceGL(
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      uint32_t surface_id,
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      scoped_refptr<cc::ContextProvider> context_provider,
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      scoped_refptr<CompositorThreadProxy> proxy);
 
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      scoped_refptr<CompositorProxy> proxy);
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  ~CompositorOutputSurfaceGL();
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 private:
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  // cc::OutputSurface implementation
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  void DetachFromDisplayClient() override;
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  void EnsureBackbuffer() override;
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  void DiscardBackbuffer() override;
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  void Reshape(const gfx::Size& size,
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  void ReclaimResources(const CompositorFrameAck& ack) override;
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  struct BufferData {
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    BufferData() : texture_id(0), sync_point(0) {}
 
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    BufferData() : texture_id(0), available(true) {}
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    uint32_t texture_id;
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    gpu::Mailbox mailbox;
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    gfx::Size size;
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    uint32_t sync_point;
 
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    bool available;
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  };
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  void DiscardBuffer(BufferData* buffer);
 
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  BufferData& GetBufferDataForMailbox(const gpu::Mailbox& mailbox);
 
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  void DiscardBufferIfPossible(BufferData* buffer);
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  BufferData back_buffer_;
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  std::deque<BufferData> pending_buffers_;
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  std::queue<BufferData> returned_buffers_;
 
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  BufferData* back_buffer_;
 
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  std::array<BufferData, 2> buffers_;
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  bool is_backbuffer_discarded_;
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  uint32_t fbo_;