| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_ |
| #define ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_ |
| |
| #include "android_webview/browser/gl_view_renderer_manager.h" |
| #include "android_webview/browser/parent_compositor_draw_constraints.h" |
| #include "base/cancelable_callback.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/synchronization/lock.h" |
| #include "cc/output/compositor_frame_ack.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/geometry/vector2d.h" |
| |
| struct AwDrawGLInfo; |
| |
| namespace android_webview { |
| |
| namespace internal { |
| class RequestDrawGLTracker; |
| } |
| |
| class BrowserViewRenderer; |
| class ChildFrame; |
| class HardwareRenderer; |
| class InsideHardwareReleaseReset; |
| |
| // This class is used to pass data between UI thread and RenderThread. |
| class SharedRendererState { |
| public: |
| SharedRendererState( |
| const scoped_refptr<base::SingleThreadTaskRunner>& ui_loop, |
| BrowserViewRenderer* browser_view_renderer); |
| ~SharedRendererState(); |
| |
| // This function can be called from any thread. |
| void ClientRequestDrawGL(bool for_idle); |
| |
| // UI thread methods. |
| void SetScrollOffsetOnUI(gfx::Vector2d scroll_offset); |
| void SetCompositorFrameOnUI(scoped_ptr<ChildFrame> frame); |
| void InitializeHardwareDrawIfNeededOnUI(); |
| void ReleaseHardwareDrawIfNeededOnUI(); |
| ParentCompositorDrawConstraints GetParentDrawConstraintsOnUI() const; |
| void SwapReturnedResourcesOnUI(cc::ReturnedResourceArray* resources); |
| bool ReturnedResourcesEmptyOnUI() const; |
| scoped_ptr<ChildFrame> PassUncommittedFrameOnUI(); |
| void DeleteHardwareRendererOnUI(); |
| bool HasFrameOnUI() const; |
| |
| // RT thread methods. |
| gfx::Vector2d GetScrollOffsetOnRT(); |
| scoped_ptr<ChildFrame> PassCompositorFrameOnRT(); |
| void DrawGL(AwDrawGLInfo* draw_info); |
| void PostExternalDrawConstraintsToChildCompositorOnRT( |
| const ParentCompositorDrawConstraints& parent_draw_constraints); |
| void InsertReturnedResourcesOnRT(const cc::ReturnedResourceArray& resources); |
| |
| private: |
| friend class internal::RequestDrawGLTracker; |
| class InsideHardwareReleaseReset { |
| public: |
| explicit InsideHardwareReleaseReset( |
| SharedRendererState* shared_renderer_state); |
| ~InsideHardwareReleaseReset(); |
| |
| private: |
| SharedRendererState* shared_renderer_state_; |
| }; |
| |
| // RT thread method. |
| void DidDrawGLProcess(); |
| |
| // UI thread methods. |
| void ResetRequestDrawGLCallback(); |
| void ClientRequestDrawGLOnUI(); |
| void UpdateParentDrawConstraintsOnUI(); |
| bool IsInsideHardwareRelease() const; |
| void SetInsideHardwareRelease(bool inside); |
| void ReleaseCompositorResourcesIfNeededOnUI(bool release_hardware_draw); |
| |
| // Accessed by UI thread. |
| scoped_refptr<base::SingleThreadTaskRunner> ui_loop_; |
| BrowserViewRenderer* browser_view_renderer_; |
| base::WeakPtr<SharedRendererState> ui_thread_weak_ptr_; |
| base::CancelableClosure request_draw_gl_cancelable_closure_; |
| |
| // Accessed by RT thread. |
| scoped_ptr<HardwareRenderer> hardware_renderer_; |
| |
| // This is accessed by both UI and RT now. TODO(hush): move to RT only. |
| GLViewRendererManager::Key renderer_manager_key_; |
| |
| // Accessed by both UI and RT thread. |
| mutable base::Lock lock_; |
| bool hardware_renderer_has_frame_; |
| gfx::Vector2d scroll_offset_; |
| scoped_ptr<ChildFrame> child_frame_; |
| bool inside_hardware_release_; |
| ParentCompositorDrawConstraints parent_draw_constraints_; |
| cc::ReturnedResourceArray returned_resources_; |
| base::Closure request_draw_gl_closure_; |
| |
| base::WeakPtrFactory<SharedRendererState> weak_factory_on_ui_thread_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SharedRendererState); |
| }; |
| |
| } // namespace android_webview |
| |
| #endif // ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_ |