+++ /dev/null
-/*
- * 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 "Benchmark.h"
-#include "SkBlurMask.h"
-#include "SkCanvas.h"
-#include "SkPaint.h"
-#include "SkRandom.h"
-#include "SkShader.h"
-#include "SkString.h"
-
-class BitmapFractionalBench: public Benchmark {
- int fInputSize;
- int fOutputSize;
- SkPaint::FilterLevel fFilterLevel;
- SkString fName;
-
-public:
- BitmapFractionalBench( int is, const char *name, SkPaint::FilterLevel filterLevel ) {
- fInputSize = is;
- fOutputSize = 2*is;
- fFilterLevel = filterLevel;
- fName.printf( "bitmap_fractional_bench_%s", name );
- }
-
-protected:
-
- SkBitmap fInputBitmap, fOutputBitmap;
- SkMatrix fMatrix;
-
- virtual const char* onGetName() {
- return fName.c_str();
- }
-
- int inputSize() const {
- return fInputSize;
- }
-
- int outputSize() const {
- return fOutputSize;
- }
-
- SkIPoint onGetSize() SK_OVERRIDE {
- return SkIPoint::Make( fOutputSize, fOutputSize );
- }
-
- virtual void onPreDraw() {
- fInputBitmap.allocN32Pixels(fInputSize, fInputSize, true);
- fInputBitmap.eraseColor(SK_ColorWHITE);
-
- fOutputBitmap.allocN32Pixels(fOutputSize, fOutputSize, true);
- }
-
- virtual void onDraw(const int loops, SkCanvas*) {
- SkPaint paint;
- this->setupPaint(&paint);
-
- preBenchSetup();
-
- SkCanvas canvas( fOutputBitmap );
- paint.setFilterLevel(fFilterLevel);
- fInputBitmap.notifyPixelsChanged();
-
- for (int i = 0; i < loops; i++) {
- // up-scale the image by a variety of close, fractional scales
- for (int j = 0 ; j < 20 ; j++) {
- fMatrix = SkMatrix::I();
- fMatrix.setScale( 1 + j/500.f, 1 + j/500.f );
- canvas.drawBitmapMatrix( fInputBitmap, fMatrix, &paint );
- }
- // down-scale the image by a variety of close, fractional scales
- for (int j = 0 ; j < 20 ; j++) {
- fMatrix = SkMatrix::I();
- fMatrix.setScale( 1 - j/500.f, 1 - j/500.f );
- canvas.drawBitmapMatrix( fInputBitmap, fMatrix, &paint );
- }
- // Now try some fractional translates
- for (int j = 0 ; j < 20 ; j++) {
- fMatrix = SkMatrix::I();
- fMatrix.setTranslate( j/3.f, j/3.f );
- canvas.drawBitmapMatrix( fInputBitmap, fMatrix, &paint );
- }
- // Finally, some fractional translates with non-identity scale.
- for (int j = 0 ; j < 20 ; j++) {
- fMatrix = SkMatrix::I();
- fMatrix.setTranslate( j/3.f, j/3.f );
- fMatrix.preScale( 1.5f, 1.5f );
- canvas.drawBitmapMatrix( fInputBitmap, fMatrix, &paint );
- }
- }
- }
-
- virtual void preBenchSetup() {}
-private:
- typedef Benchmark INHERITED;
-};
-
-DEF_BENCH(return new BitmapFractionalBench(256, "high", SkPaint::kHigh_FilterLevel);)
-DEF_BENCH(return new BitmapFractionalBench(256, "medium", SkPaint::kMedium_FilterLevel);)
-DEF_BENCH(return new BitmapFractionalBench(256, "low", SkPaint::kLow_FilterLevel);)