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#include "content/browser/compositor/software_output_device_ozone.h"
6#include "third_party/skia/include/core/SkDevice.h"
7#include "ui/compositor/compositor.h"
8#include "ui/gfx/skia_util.h"
9#include "ui/gfx/vsync_provider.h"
10#include "ui/ozone/public/surface_factory_ozone.h"
11#include "ui/ozone/public/surface_ozone_canvas.h"
12
13namespace content {
14
15SoftwareOutputDeviceOzone::SoftwareOutputDeviceOzone(ui::Compositor* compositor)
16    : compositor_(compositor) {
17  ui::SurfaceFactoryOzone* factory = ui::SurfaceFactoryOzone::GetInstance();
18
19  surface_ozone_ = factory->CreateCanvasForWidget(compositor_->widget());
20
21  if (!surface_ozone_)
22    LOG(FATAL) << "Failed to initialize canvas";
23
24  vsync_provider_ = surface_ozone_->CreateVSyncProvider();
25}
26
27SoftwareOutputDeviceOzone::~SoftwareOutputDeviceOzone() {
28}
29
30void SoftwareOutputDeviceOzone::Resize(const gfx::Size& viewport_pixel_size,
31                                       float scale_factor) {
32  scale_factor_ = scale_factor;
33
34  if (viewport_pixel_size_ == viewport_pixel_size)
35    return;
36
37  viewport_pixel_size_ = viewport_pixel_size;
38
39  surface_ozone_->ResizeCanvas(viewport_pixel_size_);
40}
41
42SkCanvas* SoftwareOutputDeviceOzone::BeginPaint(const gfx::Rect& damage_rect) {
43  DCHECK(gfx::Rect(viewport_pixel_size_).Contains(damage_rect));
44
45  // Get canvas for next frame.
46  canvas_ = surface_ozone_->GetCanvas();
47
48  return SoftwareOutputDevice::BeginPaint(damage_rect);
49}
50
51void SoftwareOutputDeviceOzone::EndPaint(cc::SoftwareFrameData* frame_data) {
52  SoftwareOutputDevice::EndPaint(frame_data);
53
54  surface_ozone_->PresentCanvas(damage_rect_);
55}
56
57}  // namespace content
58