1 /*
2 * Copyright 2016 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 "ColorCodecBench.h"
9 #include "Resources.h"
10 #include "SkCodec.h"
11 #include "SkCodecPriv.h"
12 #include "SkColorSpace_XYZ.h"
13 #include "SkColorSpaceXform.h"
14 #include "SkCommandLineFlags.h"
15
16 DEFINE_bool(xform_only, false, "Only time the color xform, do not include the decode time");
17 DEFINE_bool(srgb, false, "Convert to srgb dst space");
18 DEFINE_bool(nonstd, false, "Convert to non-standard dst space");
19 DEFINE_bool(half, false, "Convert to half floats");
20
ColorCodecBench(const char * name,sk_sp<SkData> encoded)21 ColorCodecBench::ColorCodecBench(const char* name, sk_sp<SkData> encoded)
22 : fEncoded(std::move(encoded))
23 {
24 fName.appendf("Color%s", FLAGS_xform_only ? "Xform" : "Codec");
25 fName.appendf("_%s", name);
26 }
27
onGetName()28 const char* ColorCodecBench::onGetName() {
29 return fName.c_str();
30 }
31
isSuitableFor(Backend backend)32 bool ColorCodecBench::isSuitableFor(Backend backend) {
33 return kNonRendering_Backend == backend;
34 }
35
decodeAndXform()36 void ColorCodecBench::decodeAndXform() {
37 #ifdef SK_DEBUG
38 SkCodec::Result result =
39 #endif
40 SkCodec::MakeFromData(fEncoded)->getPixels(fDstInfo, fDst.get(), fDstInfo.minRowBytes());
41 SkASSERT(SkCodec::kSuccess == result);
42 }
43
xformOnly()44 void ColorCodecBench::xformOnly() {
45 std::unique_ptr<SkColorSpaceXform> xform = SkColorSpaceXform::New(fSrcSpace.get(),
46 fDstSpace.get());
47 SkASSERT(xform);
48
49 void* dst = fDst.get();
50 void* src = fSrc.get();
51 for (int y = 0; y < fSrcInfo.height(); y++) {
52 SkAssertResult(xform->apply(select_xform_format(fDstInfo.colorType()), dst,
53 SkColorSpaceXform::kRGBA_8888_ColorFormat, src,
54 fSrcInfo.width(), fDstInfo.alphaType()));
55 dst = SkTAddOffset<void>(dst, fDstInfo.minRowBytes());
56 src = SkTAddOffset<void>(src, fSrcInfo.minRowBytes());
57 }
58 }
59
onDelayedSetup()60 void ColorCodecBench::onDelayedSetup() {
61 std::unique_ptr<SkCodec> codec = SkCodec::MakeFromData(fEncoded);
62 fSrcInfo = codec->getInfo().makeColorType(kRGBA_8888_SkColorType);
63 fDstInfo = fSrcInfo;
64
65 fDstSpace = nullptr;
66 if (FLAGS_srgb) {
67 fDstSpace = SkColorSpace::MakeSRGB();
68 } else if (FLAGS_nonstd) {
69 SkColorSpaceTransferFn gamma;
70 gamma.fA = 1.0f;
71 gamma.fB = gamma.fC = gamma.fD = gamma.fE = gamma.fF = 0.0f;
72 gamma.fG = 4.0f;
73 SkMatrix44 matrix = SkMatrix44(SkMatrix44::kUninitialized_Constructor);
74 matrix.set3x3(0.30f, 0.31f, 0.28f, 0.32f, 0.33f, 0.29f, 0.27f, 0.30f, 0.30f);
75 fDstSpace = SkColorSpace::MakeRGB(gamma, matrix);
76 } else {
77 sk_sp<SkData> dstData = GetResourceAsData("icc_profiles/HP_ZR30w.icc");
78 SkASSERT(dstData);
79 fDstSpace = SkColorSpace::MakeICC(dstData->data(), dstData->size());
80 }
81 SkASSERT(fDstSpace);
82 fDstInfo = fDstInfo.makeColorSpace(fDstSpace);
83
84 if (FLAGS_half) {
85 fDstInfo = fDstInfo.makeColorType(kRGBA_F16_SkColorType);
86 fDstSpace = fDstSpace->makeLinearGamma();
87 }
88
89 fDst.reset(fDstInfo.computeMinByteSize());
90
91 if (FLAGS_xform_only) {
92 fSrc.reset(fSrcInfo.computeMinByteSize());
93 fSrcSpace = codec->getInfo().refColorSpace();
94 codec->getPixels(fSrcInfo, fSrc.get(), fSrcInfo.minRowBytes());
95 }
96 }
97
onDraw(int n,SkCanvas *)98 void ColorCodecBench::onDraw(int n, SkCanvas*) {
99 for (int i = 0; i < n; i++) {
100 if (FLAGS_xform_only) {
101 this->xformOnly();
102 } else {
103 this->decodeAndXform();
104 }
105 }
106 }
107