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chromium / chromium / src / c7afae5cf0f1f03bd454443a9a637bd94fdc8656 / . / android_webview / browser / hardware_renderer.h
blob: a6836bff329c0cb6a0ed05b11c76fbd0c957fab6 [file] [log] [blame]
boliu@chromium.org23063762014-02-26 01:01:56[diff] [blame]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
dcheng08daa072016-04-01 01:47:21[diff] [blame]8#include <memory>
9
boliud6a2655c2016-11-09 17:45:23[diff] [blame]10#include "android_webview/browser/child_frame.h"
hush284add62016-06-17 20:47:33[diff] [blame]11#include "android_webview/browser/compositor_id.h"
avide7d5c22015-12-20 05:48:44[diff] [blame]12#include "base/macros.h"
boliu8b58fe52016-06-29 17:48:13[diff] [blame]13#include "base/memory/ref_counted.h"
samans89cf97b2017-03-02 22:30:11[diff] [blame]14#include "cc/surfaces/compositor_frame_sink_support_client.h"
fsamuelb6acafa2016-10-04 03:21:52[diff] [blame]15#include "cc/surfaces/frame_sink_id.h"
jbaumana783bb02015-06-05 00:57:35[diff] [blame]16#include "cc/surfaces/surface_id.h"
boliu@chromium.org23063762014-02-26 01:01:56[diff] [blame]17
18struct AwDrawGLInfo;
19
boliu@chromium.org8705654b2014-05-24 01:16:19[diff] [blame]20namespace cc {
samans89cf97b2017-03-02 22:30:11[diff] [blame]21class CompositorFrameSinkSupport;
xing.xu1a9aa94c2017-02-23 21:04:32[diff] [blame]22class LocalSurfaceIdAllocator;
boliu@chromium.org8705654b2014-05-24 01:16:19[diff] [blame]23}
24
boliu@chromium.org23063762014-02-26 01:01:56[diff] [blame]25namespace android_webview {
26
boliub887d3272015-03-19 00:29:26[diff] [blame]27class ChildFrame;
boliu8b58fe52016-06-29 17:48:13[diff] [blame]28class RenderThreadManager;
boliu8b58fe52016-06-29 17:48:13[diff] [blame]29class SurfacesInstance;
boliu@chromium.org23063762014-02-26 01:01:56[diff] [blame]30
samans89cf97b2017-03-02 22:30:11[diff] [blame]31class HardwareRenderer : public cc::CompositorFrameSinkSupportClient {
boliu@chromium.org23063762014-02-26 01:01:56[diff] [blame]32 public:
boliud6a2655c2016-11-09 17:45:23[diff] [blame]33 // Two rules:
34 // 1) Never wait on |new_frame| on the UI thread, or in kModeSync. Otherwise
35 // this defeats the purpose of having a future.
36 // 2) Never replace a non-empty frames with an empty frame.
37 // The only way to do both is to hold up to two frames here. This is a helper
38 // method to do this. General pattern is call this method to prune existing
39 // queue, and then append the new frame. Wait on all frames in queue. Then
40 // remove all except the latest non-empty frame. If all frames are empty,
41 // then the deque is cleared. Return any non-empty frames that are pruned.
42 // Return value does not guarantee relative order is maintained.
43 static ChildFrameQueue WaitAndPruneFrameQueue(ChildFrameQueue* child_frames);
44
tobiasjs1c63c2f2016-04-05 11:30:03[diff] [blame]45 explicit HardwareRenderer(RenderThreadManager* state);
dcheng996c125c2015-02-04 02:25:49[diff] [blame]46 ~HardwareRenderer() override;
boliu@chromium.org23063762014-02-26 01:01:56[diff] [blame]47
boliucf473172016-09-26 17:07:32[diff] [blame]48 void DrawGL(AwDrawGLInfo* draw_info);
boliu@chromium.org33e9e4312014-07-25 22:30:21[diff] [blame]49 void CommitFrame();
boliu@chromium.org8705654b2014-05-24 01:16:19[diff] [blame]50
boliu@chromium.org23063762014-02-26 01:01:56[diff] [blame]51 private:
samans89cf97b2017-03-02 22:30:11[diff] [blame]52 // cc::CompositorFrameSinkSupportClient implementation.
samans8d3604f2017-04-11 22:15:30[diff] [blame]53 void DidReceiveCompositorFrameAck(
54 const cc::ReturnedResourceArray& resources) override;
samans89cf97b2017-03-02 22:30:11[diff] [blame]55 void OnBeginFrame(const cc::BeginFrameArgs& args) override;
56 void ReclaimResources(const cc::ReturnedResourceArray& resources) override;
57 void WillDrawSurface(const cc::LocalSurfaceId& local_surface_id,
58 const gfx::Rect& damage_rect) override;
jbaumana783bb02015-06-05 00:57:35[diff] [blame]59
boliud6a2655c2016-11-09 17:45:23[diff] [blame]60 void ReturnChildFrame(std::unique_ptr<ChildFrame> child_frame);
hush45918a82015-12-17 03:50:59[diff] [blame]61 void ReturnResourcesToCompositor(const cc::ReturnedResourceArray& resources,
hush284add62016-06-17 20:47:33[diff] [blame]62 const CompositorID& compositor_id,
danakjc7afae52017-06-20 21:12:41[diff] [blame^]63 uint32_t layer_tree_frame_sink_id);
hush198d3522015-10-01 00:42:10[diff] [blame]64
boliu8b58fe52016-06-29 17:48:13[diff] [blame]65 void AllocateSurface();
66 void DestroySurface();
67
samans89cf97b2017-03-02 22:30:11[diff] [blame]68 void CreateNewCompositorFrameSinkSupport();
69
tobiasjs1c63c2f2016-04-05 11:30:03[diff] [blame]70 RenderThreadManager* render_thread_manager_;
boliu@chromium.org23063762014-02-26 01:01:56[diff] [blame]71
72 typedef void* EGLContext;
73 EGLContext last_egl_context_;
74
boliu@chromium.org8705654b2014-05-24 01:16:19[diff] [blame]75 // Information about last delegated frame.
samanscf887b6f2017-05-24 18:14:29[diff] [blame]76 gfx::Size surface_size_;
77 float device_scale_factor_ = 0;
boliu6439a532014-10-07 06:00:01[diff] [blame]78
79 // Infromation from UI on last commit.
boliu@chromium.org8705654b2014-05-24 01:16:19[diff] [blame]80 gfx::Vector2d scroll_offset_;
81
boliu299d4c382016-11-12 00:16:44[diff] [blame]82 ChildFrameQueue child_frame_queue_;
83
boliu6486a482015-10-16 01:46:18[diff] [blame]84 // This holds the last ChildFrame received. Contains the frame info of the
boliu299d4c382016-11-12 00:16:44[diff] [blame]85 // last frame. The |frame| member is always null since frame has already
86 // been submitted.
87 std::unique_ptr<ChildFrame> child_frame_;
boliub887d3272015-03-19 00:29:26[diff] [blame]88
boliu8b58fe52016-06-29 17:48:13[diff] [blame]89 const scoped_refptr<SurfacesInstance> surfaces_;
fsamuelb6acafa2016-10-04 03:21:52[diff] [blame]90 cc::FrameSinkId frame_sink_id_;
xing.xu1a9aa94c2017-02-23 21:04:32[diff] [blame]91 const std::unique_ptr<cc::LocalSurfaceIdAllocator>
92 local_surface_id_allocator_;
samans89cf97b2017-03-02 22:30:11[diff] [blame]93 std::unique_ptr<cc::CompositorFrameSinkSupport> support_;
samans5258bfb2017-01-27 21:16:26[diff] [blame]94 cc::LocalSurfaceId child_id_;
hush284add62016-06-17 20:47:33[diff] [blame]95 CompositorID compositor_id_;
boliuf4e574852016-03-22 19:33:17[diff] [blame]96 // HardwareRenderer guarantees resources are returned in the order of
danakjc7afae52017-06-20 21:12:41[diff] [blame^]97 // layer_tree_frame_sink_id, and resources for old output surfaces are
danakj1120f4c2016-09-15 02:05:32[diff] [blame]98 // dropped.
danakjc7afae52017-06-20 21:12:41[diff] [blame^]99 uint32_t last_committed_layer_tree_frame_sink_id_;
100 uint32_t last_submitted_layer_tree_frame_sink_id_;
boliu@chromium.org8705654b2014-05-24 01:16:19[diff] [blame]101
boliu@chromium.org23063762014-02-26 01:01:56[diff] [blame]102 DISALLOW_COPY_AND_ASSIGN(HardwareRenderer);
103};
104
boliu@chromium.org23063762014-02-26 01:01:56[diff] [blame]105} // namespace android_webview
106
107#endif // ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_