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 ApplyScrollAndScale(const gfx::Vector2d
& scroll_delta
,
47 float page_scale
) OVERRIDE
{}
48 virtual scoped_ptr
<cc::OutputSurface
> CreateOutputSurface(
49 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
;
64 SharedRendererState
* shared_renderer_state_
;
66 typedef void* EGLContext
;
67 EGLContext last_egl_context_
;
69 // Information about last delegated frame.
70 gfx::Size frame_size_
;
71 gfx::Vector2d scroll_offset_
;
73 // Information from draw.
76 bool stencil_enabled_
;
77 bool viewport_clip_valid_for_dcheck_
;
79 scoped_refptr
<AwGLSurface
> gl_surface_
;
81 scoped_ptr
<cc::LayerTreeHost
> layer_tree_host_
;
82 scoped_refptr
<cc::Layer
> root_layer_
;
84 scoped_refptr
<cc::DelegatedFrameResourceCollection
> resource_collection_
;
85 scoped_refptr
<cc::DelegatedFrameProvider
> frame_provider_
;
86 scoped_refptr
<cc::DelegatedRendererLayer
> delegated_layer_
;
88 // This is owned indirectly by |layer_tree_host_|.
89 ParentOutputSurface
* output_surface_
;
91 ParentCompositorDrawConstraints draw_constraints_
;
93 DISALLOW_COPY_AND_ASSIGN(HardwareRenderer
);
96 } // namespace android_webview
98 #endif // ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_