| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/output/software_output_device.h" |
| |
| #include "base/logging.h" |
| #include "cc/output/software_frame_data.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| #include "ui/gfx/skia_util.h" |
| #include "ui/gfx/vsync_provider.h" |
| |
| namespace cc { |
| |
| SoftwareOutputDevice::SoftwareOutputDevice() : scale_factor_(1.f) { |
| } |
| |
| SoftwareOutputDevice::~SoftwareOutputDevice() {} |
| |
| void SoftwareOutputDevice::Resize(const gfx::Size& viewport_pixel_size, |
| float scale_factor) { |
| scale_factor_ = scale_factor; |
| |
| if (viewport_pixel_size_ == viewport_pixel_size) |
| return; |
| |
| SkImageInfo info = SkImageInfo::MakeN32(viewport_pixel_size.width(), |
| viewport_pixel_size.height(), |
| kOpaque_SkAlphaType); |
| viewport_pixel_size_ = viewport_pixel_size; |
| canvas_ = skia::AdoptRef(SkCanvas::NewRaster(info)); |
| } |
| |
| SkCanvas* SoftwareOutputDevice::BeginPaint(const gfx::Rect& damage_rect) { |
| DCHECK(canvas_); |
| damage_rect_ = damage_rect; |
| return canvas_.get(); |
| } |
| |
| void SoftwareOutputDevice::EndPaint(SoftwareFrameData* frame_data) { |
| DCHECK(frame_data); |
| frame_data->id = 0; |
| frame_data->size = viewport_pixel_size_; |
| frame_data->damage_rect = damage_rect_; |
| } |
| |
| void SoftwareOutputDevice::CopyToPixels(const gfx::Rect& rect, void* pixels) { |
| DCHECK(canvas_); |
| SkImageInfo info = SkImageInfo::MakeN32Premul(rect.width(), rect.height()); |
| canvas_->readPixels(info, pixels, info.minRowBytes(), rect.x(), rect.y()); |
| } |
| |
| void SoftwareOutputDevice::Scroll(const gfx::Vector2d& delta, |
| const gfx::Rect& clip_rect) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void SoftwareOutputDevice::ReclaimSoftwareFrame(unsigned id) { |
| NOTIMPLEMENTED(); |
| } |
| |
| gfx::VSyncProvider* SoftwareOutputDevice::GetVSyncProvider() { |
| return vsync_provider_.get(); |
| } |
| |
| } // namespace cc |