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// 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/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;
surface_ = skia::AdoptRef(SkSurface::NewRaster(info));
}
SkCanvas* SoftwareOutputDevice::BeginPaint(const gfx::Rect& damage_rect) {
DCHECK(surface_);
damage_rect_ = damage_rect;
return surface_->getCanvas();
}
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(surface_);
SkImageInfo info = SkImageInfo::MakeN32Premul(rect.width(), rect.height());
surface_->getCanvas()->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
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