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/SkBitmapDevice.h" 10 #include "third_party/skia/include/core/SkCanvas.h" 11 #include "ui/gfx/skia_util.h" 12 #include "ui/gfx/vsync_provider.h" 13 14 namespace cc { 15 16 SoftwareOutputDevice::SoftwareOutputDevice() {} 17 18 SoftwareOutputDevice::~SoftwareOutputDevice() {} 19 20 void SoftwareOutputDevice::Resize(gfx::Size viewport_size) { 21 if (viewport_size_ == viewport_size) 22 return; 23 24 viewport_size_ = viewport_size; 25 device_ = skia::AdoptRef(new SkBitmapDevice(SkBitmap::kARGB_8888_Config, 26 viewport_size.width(), viewport_size.height(), true)); 27 canvas_ = skia::AdoptRef(new SkCanvas(device_.get())); 28 } 29 30 SkCanvas* SoftwareOutputDevice::BeginPaint(gfx::Rect damage_rect) { 31 DCHECK(device_); 32 damage_rect_ = damage_rect; 33 return canvas_.get(); 34 } 35 36 void SoftwareOutputDevice::EndPaint(SoftwareFrameData* frame_data) { 37 DCHECK(frame_data); 38 frame_data->id = 0; 39 frame_data->size = viewport_size_; 40 frame_data->damage_rect = damage_rect_; 41 frame_data->handle = base::SharedMemory::NULLHandle(); 42 } 43 44 void SoftwareOutputDevice::CopyToBitmap( 45 gfx::Rect rect, SkBitmap* output) { 46 DCHECK(device_); 47 const SkBitmap& bitmap = device_->accessBitmap(false); 48 bitmap.extractSubset(output, gfx::RectToSkIRect(rect)); 49 } 50 51 void SoftwareOutputDevice::Scroll( 52 gfx::Vector2d delta, gfx::Rect clip_rect) { 53 NOTIMPLEMENTED(); 54 } 55 56 void SoftwareOutputDevice::ReclaimSoftwareFrame(unsigned id) { 57 NOTIMPLEMENTED(); 58 } 59 60 gfx::VSyncProvider* SoftwareOutputDevice::GetVSyncProvider() { 61 return vsync_provider_.get(); 62 } 63 64 } // namespace cc 65