Adding hooks for gathering total pixels painted and rasterized stats.

cc/BitmapCanvasLayerTextureUpdater.cpp

 // 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"
 
 #if USE(ACCELERATED_COMPOSITING)
 
 #include "BitmapCanvasLayerTextureUpdater.h"
 
+#include "CCRenderingStats.h"
+
 #include "LayerPainterChromium.h"
 #include "PlatformColor.h"
 #include "skia/ext/platform_canvas.h"
 
 namespace cc {
 
 BitmapCanvasLayerTextureUpdater::Texture::Texture(BitmapCanvasLayerTextureUpdater* textureUpdater, PassOwnPtr<CCPrioritizedTexture> texture)
     : LayerTextureUpdater::Texture(texture)
     , m_textureUpdater(textureUpdater)
 {
@@ skipping 35 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::updateTextureRect(CCResourceProvider* resourceProvider, CCPrioritizedTexture* texture, const IntRect& sourceRect, const IntSize& destOffset)
 {
     const SkBitmap& bitmap = m_canvas->getDevice()->accessBitmap(false);
     bitmap.lockPixels();
 
     texture->upload(resourceProvider, static_cast<const uint8_t*>(bitmap.getPixels()), contentRect(), sourceRect, destOffset);
     bitmap.unlockPixels();
 }
 
 void BitmapCanvasLayerTextureUpdater::setOpaque(bool opaque)
 {
     if (opaque != m_opaque) {
         m_canvas.clear();
         m_canvasSize = IntSize();
     }
     m_opaque = opaque;
 }
 
 } // namespace cc
 #endif // USE(ACCELERATED_COMPOSITING)