Revert "speed up A8 by creating a new entry-point in SkDraw that blits the path's coverage directly…

bench/CoverageBench.cpp

-/*
- * Copyright 2013 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 "SkBitmap.h"
-#include "SkCanvas.h"
-#include "SkColorPriv.h"
-#include "SkDraw.h"
-#include "SkMatrix.h"
-#include "SkPath.h"
-#include "SkRasterClip.h"
-
-class DrawPathBench : public SkBenchmark {
-    SkPaint     fPaint;
-    SkString    fName;
-    SkPath      fPath;
-    SkRasterClip fRC;
-    SkBitmap    fBitmap;
-    SkMatrix    fIdentity;
-    SkDraw      fDraw;
-    bool        fDrawCoverage;
-public:
-    DrawPathBench(bool drawCoverage) : fDrawCoverage(drawCoverage) {
-        fPaint.setAntiAlias(true);
-        fName.printf("draw_coverage_%s", drawCoverage ? "true" : "false");
-
-        fPath.moveTo(0, 0);
-        fPath.quadTo(500, 0, 500, 500);
-        fPath.quadTo(250, 0, 0, 500);
-
-        fBitmap.setConfig(SkBitmap::kA8_Config, 500, 500);
-        fBitmap.allocPixels();
-
-        fIdentity.setIdentity();
-        fRC.setRect(fPath.getBounds().round());
-
-        fDraw.fBitmap   = &fBitmap;
-        fDraw.fMatrix   = &fIdentity;
-        fDraw.fClip     = &fRC.bwRgn();
-        fDraw.fRC       = &fRC;
-    }
-    
-protected:
-    virtual const char* onGetName() SK_OVERRIDE {
-        return fName.c_str();
-    }
-    
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
-        if (fDrawCoverage) {
-            for (int i = 0; i < this->getLoops(); ++i) {
-                fDraw.drawPathCoverage(fPath, fPaint);
-            }
-        } else {
-            for (int i = 0; i < this->getLoops(); ++i) {
-                fDraw.drawPath(fPath, fPaint);
-            }
-        }
-    }
-    
-private:
-    typedef SkBenchmark INHERITED;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-DEF_BENCH( return new DrawPathBench(false) )
-DEF_BENCH( return new DrawPathBench(true) )