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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/bitmap_skpicture_canvas_layer_texture_updater.h"
#include "CCRenderingStats.h"
#include "CCTextureUpdateQueue.h"
#include "cc/layer_painter.h"
#include "cc/platform_color.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkDevice.h"
#include <wtf/CurrentTime.h>
namespace cc {
BitmapSkPictureCanvasLayerTextureUpdater::Texture::Texture(BitmapSkPictureCanvasLayerTextureUpdater* textureUpdater, scoped_ptr<CCPrioritizedTexture> texture)
: CanvasLayerTextureUpdater::Texture(texture.Pass())
, m_textureUpdater(textureUpdater)
{
}
void BitmapSkPictureCanvasLayerTextureUpdater::Texture::update(CCTextureUpdateQueue& queue, const IntRect& sourceRect, const IntSize& destOffset, bool partialUpdate, CCRenderingStats& stats)
{
m_bitmap.setConfig(SkBitmap::kARGB_8888_Config, sourceRect.width(), sourceRect.height());
m_bitmap.allocPixels();
m_bitmap.setIsOpaque(m_textureUpdater->layerIsOpaque());
SkDevice device(m_bitmap);
SkCanvas canvas(&device);
double paintBeginTime = monotonicallyIncreasingTime();
textureUpdater()->paintContentsRect(&canvas, sourceRect, stats);
stats.totalPaintTimeInSeconds += monotonicallyIncreasingTime() - paintBeginTime;
ResourceUpdate upload = ResourceUpdate::Create(
texture(), &m_bitmap, sourceRect, sourceRect, destOffset);
if (partialUpdate)
queue.appendPartialUpload(upload);
else
queue.appendFullUpload(upload);
}
scoped_refptr<BitmapSkPictureCanvasLayerTextureUpdater> BitmapSkPictureCanvasLayerTextureUpdater::create(scoped_ptr<LayerPainterChromium> painter)
{
return make_scoped_refptr(new BitmapSkPictureCanvasLayerTextureUpdater(painter.Pass()));
}
BitmapSkPictureCanvasLayerTextureUpdater::BitmapSkPictureCanvasLayerTextureUpdater(scoped_ptr<LayerPainterChromium> painter)
: SkPictureCanvasLayerTextureUpdater(painter.Pass())
{
}
BitmapSkPictureCanvasLayerTextureUpdater::~BitmapSkPictureCanvasLayerTextureUpdater()
{
}
scoped_ptr<LayerTextureUpdater::Texture> BitmapSkPictureCanvasLayerTextureUpdater::createTexture(CCPrioritizedTextureManager* manager)
{
return scoped_ptr<LayerTextureUpdater::Texture>(new Texture(this, CCPrioritizedTexture::create(manager)));
}
LayerTextureUpdater::SampledTexelFormat BitmapSkPictureCanvasLayerTextureUpdater::sampledTexelFormat(GC3Denum textureFormat)
{
// The component order may be bgra if we uploaded bgra pixels to rgba textures.
return PlatformColor::sameComponentOrder(textureFormat) ?
LayerTextureUpdater::SampledTexelFormatRGBA : LayerTextureUpdater::SampledTexelFormatBGRA;
}
void BitmapSkPictureCanvasLayerTextureUpdater::paintContentsRect(SkCanvas* canvas, const IntRect& sourceRect, CCRenderingStats& stats)
{
// Translate the origin of contentRect to that of sourceRect.
canvas->translate(contentRect().x() - sourceRect.x(),
contentRect().y() - sourceRect.y());
double rasterizeBeginTime = monotonicallyIncreasingTime();
drawPicture(canvas);
stats.totalRasterizeTimeInSeconds += monotonicallyIncreasingTime() - rasterizeBeginTime;
}
} // namespace cc
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