Skia Filter Quality and Scaling Metrics

src/gpu/SkGpuDevice_drawTexture.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkGpuDevice.h"
 
 #include "GrBlurUtils.h"
@@ skipping 119 matching lines @@
             clippedDstRect = *dstRect;
             if (!srcToDstMatrix.setRectToRect(srcBounds, *dstRect, SkMatrix::kFill_ScaleToFit)) {
                 return;
             }
         } else {
             clippedDstRect = srcBounds;
             srcToDstMatrix.reset();
         }
     }
 
+    // Now that we have both the view and srcToDst matrices, log our scale factor.
+    LogDrawScaleFactor(SkMatrix::Concat(viewMatrix, srcToDstMatrix), paint.getFilterQuality());
+
     this->drawTextureProducerImpl(producer, clippedSrcRect, clippedDstRect, constraint, viewMatrix,
                                   srcToDstMatrix, clip, paint);
 }
 
 void SkGpuDevice::drawTextureProducerImpl(GrTextureProducer* producer,
                                           const SkRect& clippedSrcRect,
                                           const SkRect& clippedDstRect,
                                           SkCanvas::SrcRectConstraint constraint,
                                           const SkMatrix& viewMatrix,
                                           const SkMatrix& srcToDstMatrix,
@@ skipping 83 matching lines @@
                                       rrect)) {
         return;
     }
     SkPath rectPath;
     rectPath.addRect(clippedDstRect);
     rectPath.setIsVolatile(true);
     GrBlurUtils::drawPathWithMaskFilter(this->context(), fDrawContext, fClip,
                                         rectPath, &grPaint, viewMatrix, mf, paint.getPathEffect(),
                                         GrStrokeInfo::FillInfo(), true);
 }