extend SkBenchmark to allow a bench to return a durationScale, which allows it to perform fewer act…

bench/SkBenchmark.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkBenchmark.h"
 #include "SkPaint.h"
 #include "SkParse.h"
 
 SK_DEFINE_INST_COUNT(SkBenchmark)
 
 template BenchRegistry* BenchRegistry::gHead;
 
 SkBenchmark::SkBenchmark(void* defineDict) {
     fDict = reinterpret_cast<const SkTDict<const char*>*>(defineDict);
     fForceAlpha = 0xFF;
     fForceAA = true;
     fDither = SkTriState::kDefault;
     fHasStrokeWidth = false;
     fIsRendering = true;
+    fOrMask = fClearMask = 0;
 }
 
 const char* SkBenchmark::getName() {
     return this->onGetName();
 }
 
 SkIPoint SkBenchmark::getSize() {
     return this->onGetSize();
 }
 
 void SkBenchmark::preDraw() {
     this->onPreDraw();
 }
 
 void SkBenchmark::draw(SkCanvas* canvas) {
     this->onDraw(canvas);
 }
 
 void SkBenchmark::postDraw() {
     this->onPostDraw();
 }
 
 void SkBenchmark::setupPaint(SkPaint* paint) {
     paint->setAlpha(fForceAlpha);
     paint->setAntiAlias(fForceAA);
     paint->setFilterBitmap(fForceFilter);
 
+    paint->setFlags((paint->getFlags() & ~fClearMask) | fOrMask);
+
     if (SkTriState::kDefault != fDither) {
         paint->setDither(SkTriState::kTrue == fDither);
     }
 }
 
 const char* SkBenchmark::findDefine(const char* key) const {
     if (fDict) {
         const char* value;
         if (fDict->find(key, &value)) {
             return value;
@@ skipping 18 matching lines @@
         return true;
     }
     return false;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 SkIPoint SkBenchmark::onGetSize() {
     return SkIPoint::Make(640, 480);
 }