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.
5 #ifndef ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_
6 #define ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_
8 #include "android_webview/browser/parent_compositor_draw_constraints.h"
9 #include "android_webview/browser/shared_renderer_state.h"
10 #include "base/memory/scoped_ptr.h"
11 #include "cc/layers/delegated_frame_resource_collection.h"
12 #include "cc/trees/layer_tree_host_client.h"
13 #include "cc/trees/layer_tree_host_single_thread_client.h"
18 class DelegatedFrameProvider;
19 class DelegatedRendererLayer;
24 namespace android_webview {
27 class ParentOutputSurface;
29 class HardwareRenderer : public cc::LayerTreeHostClient,
30 public cc::LayerTreeHostSingleThreadClient,
31 public cc::DelegatedFrameResourceCollectionClient {
33 explicit HardwareRenderer(SharedRendererState* state);
34 virtual ~HardwareRenderer();
36 void DrawGL(bool stencil_enabled,
37 int framebuffer_binding_ext,
38 AwDrawGLInfo* draw_info);
41 // cc::LayerTreeHostClient overrides.
42 virtual void WillBeginMainFrame(int frame_id) OVERRIDE {}
43 virtual void DidBeginMainFrame() OVERRIDE;
44 virtual void BeginMainFrame(const cc::BeginFrameArgs& args) OVERRIDE {}
45 virtual void Layout() OVERRIDE {}
46 virtual void ApplyViewportDeltas(const gfx::Vector2d& scroll_delta,
48 float top_controls_delta) OVERRIDE {}
49 virtual void RequestNewOutputSurface(bool fallback) OVERRIDE;
50 virtual void DidInitializeOutputSurface() OVERRIDE {}
51 virtual void WillCommit() OVERRIDE {}
52 virtual void DidCommit() OVERRIDE {}
53 virtual void DidCommitAndDrawFrame() OVERRIDE {}
54 virtual void DidCompleteSwapBuffers() OVERRIDE {}
56 // cc::LayerTreeHostSingleThreadClient overrides.
57 virtual void DidPostSwapBuffers() OVERRIDE {}
58 virtual void DidAbortSwapBuffers() OVERRIDE {}
60 // cc::DelegatedFrameResourceCollectionClient overrides.
61 virtual void UnusedResourcesAreAvailable() OVERRIDE;
66 SharedRendererState* shared_renderer_state_;
68 typedef void* EGLContext;
69 EGLContext last_egl_context_;
71 scoped_ptr<DrawGLInput> committed_input_;
73 // Information about last delegated frame.
74 gfx::Size frame_size_;
75 gfx::Vector2d scroll_offset_;
77 // Information from draw.
80 bool stencil_enabled_;
81 bool viewport_clip_valid_for_dcheck_;
83 scoped_refptr<AwGLSurface> gl_surface_;
85 scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
86 scoped_refptr<cc::Layer> root_layer_;
88 scoped_refptr<cc::DelegatedFrameResourceCollection> resource_collection_;
89 scoped_refptr<cc::DelegatedFrameProvider> frame_provider_;
90 scoped_refptr<cc::DelegatedRendererLayer> delegated_layer_;
92 // This is owned indirectly by |layer_tree_host_|.
93 ParentOutputSurface* output_surface_;
95 ParentCompositorDrawConstraints draw_constraints_;
97 DISALLOW_COPY_AND_ASSIGN(HardwareRenderer);
100 } // namespace android_webview
102 #endif // ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_