Adam Barth 7228761ef7 Serialize SkPictures to the file system
This CL teaches the Sky compositor how to serialize SkPictures to the file
system so that we can study them in the Skia picture debugger.

R=esprehn@chromium.org

Review URL: https://codereview.chromium.org/853863003
2015-01-21 16:27:28 -08:00

58 lines
1.4 KiB
C++

// Copyright 2014 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 "sky/compositor/layer.h"
#include "base/debug/trace_event.h"
#include "sky/compositor/layer_host.h"
#include "sky/compositor/picture_serializer.h"
#include "sky/compositor/rasterizer.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkPictureRecorder.h"
namespace sky {
Layer::Layer(LayerClient* client) : client_(client) {
}
Layer::~Layer() {
}
void Layer::SetSize(const gfx::Size& size) {
size_ = size;
}
void Layer::Display() {
TRACE_EVENT0("sky", "Layer::Display");
DCHECK(rasterizer_);
auto picture = RecordPicture();
#if 0
SerializePicture(
"/data/data/org.chromium.mojo.shell/cache/layer0.skp", picture.get());
#endif
texture_ = rasterizer_->Rasterize(picture.get());
}
skia::RefPtr<SkPicture> Layer::RecordPicture() {
TRACE_EVENT0("sky", "Layer::RecordPicture");
SkRTreeFactory factory;
SkPictureRecorder recorder;
auto canvas = skia::SharePtr(recorder.beginRecording(
size_.width(), size_.height(), &factory,
SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag));
client_->PaintContents(canvas.get(), gfx::Rect(size_));
return skia::AdoptRef(recorder.endRecordingAsPicture());
}
scoped_ptr<mojo::GLTexture> Layer::GetTexture() {
return texture_.Pass();
}
} // namespace sky