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// Copyright 2011 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 "config.h"
#include "cc/skpicture_canvas_layer_texture_updater.h"
#include "base/debug/trace_event.h"
#include "cc/layer_painter.h"
#include "cc/texture_update_queue.h"
#include "third_party/skia/include/core/SkCanvas.h"
namespace cc {
SkPictureCanvasLayerTextureUpdater::SkPictureCanvasLayerTextureUpdater(scoped_ptr<LayerPainterChromium> painter)
: CanvasLayerTextureUpdater(painter.Pass())
, m_layerIsOpaque(false)
{
}
SkPictureCanvasLayerTextureUpdater::~SkPictureCanvasLayerTextureUpdater()
{
}
void SkPictureCanvasLayerTextureUpdater::prepareToUpdate(const IntRect& contentRect, const IntSize&, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpaqueRect, CCRenderingStats& stats)
{
SkCanvas* canvas = m_picture.beginRecording(contentRect.width(), contentRect.height());
paintContents(canvas, contentRect, contentsWidthScale, contentsHeightScale, resultingOpaqueRect, stats);
m_picture.endRecording();
}
void SkPictureCanvasLayerTextureUpdater::drawPicture(SkCanvas* canvas)
{
TRACE_EVENT0("cc", "SkPictureCanvasLayerTextureUpdater::drawPicture");
canvas->drawPicture(m_picture);
}
void SkPictureCanvasLayerTextureUpdater::updateTexture(CCTextureUpdateQueue& queue, CCPrioritizedTexture* texture, const IntRect& sourceRect, const IntSize& destOffset, bool partialUpdate)
{
ResourceUpdate upload = ResourceUpdate::CreateFromPicture(
texture, &m_picture, contentRect(), sourceRect, destOffset);
if (partialUpdate)
queue.appendPartialUpload(upload);
else
queue.appendFullUpload(upload);
}
void SkPictureCanvasLayerTextureUpdater::setOpaque(bool opaque)
{
m_layerIsOpaque = opaque;
}
} // namespace cc
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