1 /*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "CodecBench.h"
9 #include "CodecBenchPriv.h"
10 #include "SkBitmap.h"
11 #include "SkCodec.h"
12 #include "SkCommandLineFlags.h"
13 #include "SkOSFile.h"
14
15 // Actually zeroing the memory would throw off timing, so we just lie.
16 DEFINE_bool(zero_init, false, "Pretend our destination is zero-intialized, simulating Android?");
17
CodecBench(SkString baseName,SkData * encoded,SkColorType colorType,SkAlphaType alphaType)18 CodecBench::CodecBench(SkString baseName, SkData* encoded, SkColorType colorType,
19 SkAlphaType alphaType)
20 : fColorType(colorType)
21 , fAlphaType(alphaType)
22 , fData(SkRef(encoded))
23 {
24 // Parse filename and the color type to give the benchmark a useful name
25 fName.printf("Codec_%s_%s%s", baseName.c_str(), color_type_to_str(colorType),
26 alpha_type_to_str(alphaType));
27 #ifdef SK_DEBUG
28 // Ensure that we can create an SkCodec from this data.
29 std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(fData));
30 SkASSERT(codec);
31 #endif
32 }
33
onGetName()34 const char* CodecBench::onGetName() {
35 return fName.c_str();
36 }
37
isSuitableFor(Backend backend)38 bool CodecBench::isSuitableFor(Backend backend) {
39 return kNonRendering_Backend == backend;
40 }
41
onDelayedSetup()42 void CodecBench::onDelayedSetup() {
43 std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(fData));
44
45 fInfo = codec->getInfo().makeColorType(fColorType)
46 .makeAlphaType(fAlphaType)
47 .makeColorSpace(nullptr);
48
49 fPixelStorage.reset(fInfo.getSafeSize(fInfo.minRowBytes()));
50 }
51
onDraw(int n,SkCanvas * canvas)52 void CodecBench::onDraw(int n, SkCanvas* canvas) {
53 std::unique_ptr<SkCodec> codec;
54 SkCodec::Options options;
55 if (FLAGS_zero_init) {
56 options.fZeroInitialized = SkCodec::kYes_ZeroInitialized;
57 }
58 for (int i = 0; i < n; i++) {
59 codec.reset(SkCodec::NewFromData(fData));
60 #ifdef SK_DEBUG
61 const SkCodec::Result result =
62 #endif
63 codec->getPixels(fInfo, fPixelStorage.get(), fInfo.minRowBytes(),
64 &options);
65 SkASSERT(result == SkCodec::kSuccess
66 || result == SkCodec::kIncompleteInput);
67 }
68 }
69