content/browser/compositor/offscreen_browser_compositor_output_surface.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_COMPOSITOR_OFFSCREEN_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
   6 #define CONTENT_BROWSER_COMPOSITOR_OFFSCREEN_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
   7
   8 #include "base/cancelable_callback.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "content/browser/compositor/browser_compositor_output_surface.h"
  12
  13 namespace ui {
  14 class CompositorVSyncManager;
  15 }
  16
  17 namespace content {
  18 class CommandBufferProxyImpl;
  19 class ReflectorTexture;
  20
  21 class OffscreenBrowserCompositorOutputSurface
  22     : public BrowserCompositorOutputSurface {
  23  public:
  24   OffscreenBrowserCompositorOutputSurface(
  25       const scoped_refptr<ContextProviderCommandBuffer>& context,
  26       const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
  27       scoped_ptr<BrowserCompositorOverlayCandidateValidator>
  28           overlay_candidate_validator);
  29
  30   ~OffscreenBrowserCompositorOutputSurface() override;
  31
  32  protected:
  33   // cc::OutputSurface:
  34   void EnsureBackbuffer() override;
  35   void DiscardBackbuffer() override;
  36   void Reshape(const gfx::Size& size, float scale_factor) override;
  37   void BindFramebuffer() override;
  38   void SwapBuffers(cc::CompositorFrame* frame) override;
  39
  40   // BrowserCompositorOutputSurface
  41   void OnReflectorChanged() override;
  42   base::Closure CreateCompositionStartedCallback() override;
  43 #if defined(OS_MACOSX)
  44   void OnSurfaceDisplayed() override {};
  45   void SetSurfaceSuspendedForRecycle(bool suspended) override {};
  46   bool SurfaceShouldNotShowFramesAfterSuspendForRecycle() const override;
  47 #endif
  48
  49   uint32 fbo_;
  50   bool is_backbuffer_discarded_;
  51   scoped_ptr<ReflectorTexture> reflector_texture_;
  52
  53   base::WeakPtrFactory<OffscreenBrowserCompositorOutputSurface>
  54       weak_ptr_factory_;
  55
  56  private:
  57   DISALLOW_COPY_AND_ASSIGN(OffscreenBrowserCompositorOutputSurface);
  58 };
  59
  60 }  // namespace content
  61
  62 #endif  // CONTENT_BROWSER_COMPOSITOR_OFFSCREEN_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_