This source file includes following definitions.
- Resize
- BeginPaint
- EndPaint
- CopyToPixels
- Scroll
- ReclaimSoftwareFrame
- GetVSyncProvider
#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() {}
SoftwareOutputDevice::~SoftwareOutputDevice() {}
void SoftwareOutputDevice::Resize(const gfx::Size& viewport_size) {
if (viewport_size_ == viewport_size)
return;
SkImageInfo info = SkImageInfo::MakeN32(
viewport_size.width(), viewport_size.height(), kOpaque_SkAlphaType);
viewport_size_ = viewport_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_size_;
frame_data->damage_rect = damage_rect_;
frame_data->handle = base::SharedMemory::NULLHandle();
}
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();
}
}