Adding hooks for gathering total pixels painted and rasterized stats.

cc/bitmap_canvas_layer_texture_updater.cc

 // 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 "BitmapCanvasLayerTextureUpdater.h"
 
+#include "cc/rendering_stats.h"
+
 #include "CCTextureUpdateQueue.h"
 #include "LayerPainterChromium.h"
 #include "PlatformColor.h"
 #include "skia/ext/platform_canvas.h"
 
 namespace cc {
 
 BitmapCanvasLayerTextureUpdater::Texture::Texture(BitmapCanvasLayerTextureUpdater* textureUpdater, scoped_ptr<CCPrioritizedTexture> texture)
     : LayerTextureUpdater::Texture(texture.Pass())
     , m_textureUpdater(textureUpdater)
@@ skipping 36 matching lines @@
             LayerTextureUpdater::SampledTexelFormatRGBA : LayerTextureUpdater::SampledTexelFormatBGRA;
 }
 
 void BitmapCanvasLayerTextureUpdater::prepareToUpdate(const IntRect& contentRect, const IntSize& tileSize, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpaqueRect, CCRenderingStats& stats)
 {
     if (m_canvasSize != contentRect.size()) {
         m_canvasSize = contentRect.size();
         m_canvas = adoptPtr(skia::CreateBitmapCanvas(m_canvasSize.width(), m_canvasSize.height(), m_opaque));
     }
 
+    stats.totalPixelsRasterized += contentRect.width() * contentRect.height();
+
     paintContents(m_canvas.get(), contentRect, contentsWidthScale, contentsHeightScale, resultingOpaqueRect, stats);
 }
 
 void BitmapCanvasLayerTextureUpdater::updateTexture(CCTextureUpdateQueue& queue, CCPrioritizedTexture* texture, const IntRect& sourceRect, const IntSize& destOffset, bool partialUpdate)
 {
     TextureUploader::Parameters upload = { texture, &m_canvas->getDevice()->accessBitmap(false), NULL, { contentRect(), sourceRect, destOffset } };
     if (partialUpdate)
         queue.appendPartialUpload(upload);
     else
         queue.appendFullUpload(upload);
 }
 
 void BitmapCanvasLayerTextureUpdater::setOpaque(bool opaque)
 {
     if (opaque != m_opaque) {
         m_canvas.clear();
         m_canvasSize = IntSize();
     }
     m_opaque = opaque;
 }
 
 } // namespace cc