android_webview/browser/hardware_renderer.h

   1 // Copyright 2014 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 ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_
   6 #define ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_
   7
   8 #include "android_webview/browser/shared_renderer_state.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "cc/surfaces/display_client.h"
  11 #include "cc/surfaces/surface_factory_client.h"
  12 #include "cc/surfaces/surface_id.h"
  13
  14 struct AwDrawGLInfo;
  15
  16 namespace cc {
  17 class Display;
  18 class SurfaceFactory;
  19 class SurfaceIdAllocator;
  20 class SurfaceManager;
  21 }
  22
  23 namespace android_webview {
  24
  25 class AwGLSurface;
  26 class ChildFrame;
  27 class ParentOutputSurface;
  28
  29 class HardwareRenderer : public cc::DisplayClient,
  30                          public cc::SurfaceFactoryClient {
  31  public:
  32   explicit HardwareRenderer(SharedRendererState* state);
  33   ~HardwareRenderer() override;
  34
  35   void DrawGL(bool stencil_enabled,
  36               AwDrawGLInfo* draw_info);
  37   void CommitFrame();
  38
  39   void SetBackingFrameBufferObject(int framebuffer_binding_ext);
  40
  41  private:
  42   // cc::DisplayClient overrides.
  43   void CommitVSyncParameters(base::TimeTicks timebase,
  44                              base::TimeDelta interval) override {}
  45   void OutputSurfaceLost() override {}
  46   void SetMemoryPolicy(const cc::ManagedMemoryPolicy& policy) override {}
  47
  48   // cc::SurfaceFactoryClient implementation.
  49   void ReturnResources(const cc::ReturnedResourceArray& resources) override;
  50
  51   SharedRendererState* shared_renderer_state_;
  52
  53   typedef void* EGLContext;
  54   EGLContext last_egl_context_;
  55
  56   // Information about last delegated frame.
  57   gfx::Size frame_size_;
  58
  59   // Infromation from UI on last commit.
  60   gfx::Vector2d scroll_offset_;
  61
  62   scoped_ptr<ChildFrame> child_frame_;
  63
  64   scoped_refptr<AwGLSurface> gl_surface_;
  65
  66   scoped_ptr<cc::SurfaceManager> surface_manager_;
  67   scoped_ptr<cc::Display> display_;
  68   scoped_ptr<cc::SurfaceFactory> surface_factory_;
  69   scoped_ptr<cc::SurfaceIdAllocator> surface_id_allocator_;
  70   cc::SurfaceId child_id_;
  71   cc::SurfaceId root_id_;
  72
  73   // This is owned by |display_|.
  74   ParentOutputSurface* output_surface_;
  75
  76   DISALLOW_COPY_AND_ASSIGN(HardwareRenderer);
  77 };
  78
  79 }  // namespace android_webview
  80
  81 #endif  // ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_