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| 1 // Copyright 2013 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 "cc/output/software_output_device.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "cc/output/software_frame_data.h" | |
| 9 #include "third_party/skia/include/core/SkCanvas.h" | |
| 10 #include "ui/gfx/vsync_provider.h" | |
| 11 | |
| 12 namespace cc { | |
| 13 | |
| 14 SoftwareOutputDevice::SoftwareOutputDevice() : scale_factor_(1.f) { | |
| 15 } | |
| 16 | |
| 17 SoftwareOutputDevice::~SoftwareOutputDevice() {} | |
| 18 | |
| 19 void SoftwareOutputDevice::Resize(const gfx::Size& viewport_pixel_size, | |
| 20 float scale_factor) { | |
| 21 scale_factor_ = scale_factor; | |
| 22 | |
| 23 if (viewport_pixel_size_ == viewport_pixel_size) | |
| 24 return; | |
| 25 | |
| 26 SkImageInfo info = SkImageInfo::MakeN32(viewport_pixel_size.width(), | |
| 27 viewport_pixel_size.height(), | |
| 28 kOpaque_SkAlphaType); | |
| 29 viewport_pixel_size_ = viewport_pixel_size; | |
| 30 surface_ = skia::AdoptRef(SkSurface::NewRaster(info)); | |
| 31 } | |
| 32 | |
| 33 SkCanvas* SoftwareOutputDevice::BeginPaint(const gfx::Rect& damage_rect) { | |
| 34 DCHECK(surface_); | |
| 35 damage_rect_ = damage_rect; | |
| 36 return surface_->getCanvas(); | |
| 37 } | |
| 38 | |
| 39 void SoftwareOutputDevice::EndPaint(SoftwareFrameData* frame_data) { | |
| 40 DCHECK(frame_data); | |
| 41 frame_data->id = 0; | |
| 42 frame_data->size = viewport_pixel_size_; | |
| 43 frame_data->damage_rect = damage_rect_; | |
| 44 } | |
| 45 | |
| 46 void SoftwareOutputDevice::CopyToPixels(const gfx::Rect& rect, void* pixels) { | |
| 47 DCHECK(surface_); | |
| 48 SkImageInfo info = SkImageInfo::MakeN32Premul(rect.width(), rect.height()); | |
| 49 surface_->getCanvas()->readPixels(info, pixels, info.minRowBytes(), rect.x(), | |
| 50 rect.y()); | |
| 51 } | |
| 52 | |
| 53 void SoftwareOutputDevice::Scroll(const gfx::Vector2d& delta, | |
| 54 const gfx::Rect& clip_rect) { | |
| 55 NOTIMPLEMENTED(); | |
| 56 } | |
| 57 | |
| 58 void SoftwareOutputDevice::ReclaimSoftwareFrame(unsigned id) { | |
| 59 NOTIMPLEMENTED(); | |
| 60 } | |
| 61 | |
| 62 gfx::VSyncProvider* SoftwareOutputDevice::GetVSyncProvider() { | |
| 63 return vsync_provider_.get(); | |
| 64 } | |
| 65 | |
| 66 } // namespace cc | |
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