1
2/*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8#include "SkBenchmark.h"
9#include "SkBitmap.h"
10#include "SkImageDecoder.h"
11#include "SkString.h"
12
13static const char* gConfigName[] = {
14    "ERROR", "a1", "a8", "index8", "565", "4444", "8888"
15};
16
17class DecodeBench : public SkBenchmark {
18    const char* fFilename;
19    SkBitmap::Config fPrefConfig;
20    SkString fName;
21    enum { N = SkBENCHLOOP(10) };
22public:
23    DecodeBench(void* param, SkBitmap::Config c) : SkBenchmark(param) {
24        fFilename = this->findDefine("decode-filename");
25        fPrefConfig = c;
26
27        const char* fname = NULL;
28        if (fFilename) {
29            fname = strrchr(fFilename, '/');
30            if (fname) {
31                fname += 1; // skip the slash
32            }
33        }
34        fName.printf("decode_%s_%s", gConfigName[c], fname);
35    }
36
37protected:
38    virtual const char* onGetName() {
39        return fName.c_str();
40    }
41
42    virtual void onDraw(SkCanvas* canvas) {
43        if (fFilename) {
44            for (int i = 0; i < N; i++) {
45                SkBitmap bm;
46                SkImageDecoder::DecodeFile(fFilename, &bm, fPrefConfig,
47                                           SkImageDecoder::kDecodePixels_Mode);
48            }
49        }
50    }
51
52private:
53    typedef SkBenchmark INHERITED;
54};
55
56static SkBenchmark* Fact0(void* p) { return new DecodeBench(p, SkBitmap::kARGB_8888_Config); }
57static SkBenchmark* Fact1(void* p) { return new DecodeBench(p, SkBitmap::kRGB_565_Config); }
58static SkBenchmark* Fact2(void* p) { return new DecodeBench(p, SkBitmap::kARGB_4444_Config); }
59
60static BenchRegistry gReg0(Fact0);
61static BenchRegistry gReg1(Fact1);
62static BenchRegistry gReg2(Fact2);
63