Adam Barth 93d4190547 Add some trace events to Sky compositor
This CL adds some basic trace events to the Sky compositor so we can see what's
going on.

R=ojan@chromium.org

Review URL: https://codereview.chromium.org/757643002
2014-11-24 09:54:28 -08:00

50 lines
1.1 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 "mojo/skia/ganesh_surface.h"
#include "sky/compositor/layer_host.h"
#include "third_party/skia/include/core/SkCanvas.h"
namespace sky {
Layer::Layer(LayerClient* client) : client_(client), host_(nullptr) {
}
Layer::~Layer() {
}
void Layer::ClearClient() {
client_ = nullptr;
}
void Layer::SetSize(const gfx::Size& size) {
size_ = size;
}
void Layer::Display() {
TRACE_EVENT0("sky", "Layer::Display");
DCHECK(host_);
mojo::GaneshSurface surface(host_->ganesh_context(),
host_->resource_manager()->CreateTexture(size_));
SkCanvas* canvas = surface.canvas();
gfx::Rect rect(size_);
client_->PaintContents(canvas, rect);
canvas->flush();
texture_ = surface.TakeTexture();
}
scoped_ptr<mojo::GLTexture> Layer::GetTexture() {
return texture_.Pass();
}
} // namespace sky