1 /*
2 * Copyright 2014 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 "Test.h"
9
10 #include "SkPictureRecorder.h"
11 #include "SkRecord.h"
12 #include "SkRecorder.h"
13 #include "SkRecords.h"
14 #include "SkShader.h"
15 #include "SkSurface.h"
16
17 #define COUNT(T) + 1
18 static const int kRecordTypes = SK_RECORD_TYPES(COUNT);
19 #undef COUNT
20
21 // Tallies the types of commands it sees into a histogram.
22 class Tally {
23 public:
Tally()24 Tally() { sk_bzero(&fHistogram, sizeof(fHistogram)); }
25
26 template <typename T>
operator ()(const T &)27 void operator()(const T&) { ++fHistogram[T::kType]; }
28
29 template <typename T>
count() const30 int count() const { return fHistogram[T::kType]; }
31
apply(const SkRecord & record)32 void apply(const SkRecord& record) {
33 for (int i = 0; i < record.count(); i++) {
34 record.visit(i, *this);
35 }
36 }
37
38 private:
39 int fHistogram[kRecordTypes];
40 };
41
DEF_TEST(Recorder,r)42 DEF_TEST(Recorder, r) {
43 SkRecord record;
44 SkRecorder recorder(&record, 1920, 1080);
45
46 recorder.drawRect(SkRect::MakeWH(10, 10), SkPaint());
47
48 Tally tally;
49 tally.apply(record);
50 REPORTER_ASSERT(r, 1 == tally.count<SkRecords::DrawRect>());
51 }
52
53 // Regression test for leaking refs held by optional arguments.
DEF_TEST(Recorder_RefLeaking,r)54 DEF_TEST(Recorder_RefLeaking, r) {
55 // We use SaveLayer to test:
56 // - its SkRect argument is optional and SkRect is POD. Just testing that that works.
57 // - its SkPaint argument is optional and SkPaint is not POD. The bug was here.
58
59 SkRect bounds = SkRect::MakeWH(320, 240);
60 SkPaint paint;
61 paint.setShader(SkShader::MakeEmptyShader());
62
63 REPORTER_ASSERT(r, paint.getShader()->unique());
64 {
65 SkRecord record;
66 SkRecorder recorder(&record, 1920, 1080);
67 recorder.saveLayer(&bounds, &paint);
68 REPORTER_ASSERT(r, !paint.getShader()->unique());
69 }
70 REPORTER_ASSERT(r, paint.getShader()->unique());
71 }
72
DEF_TEST(Recorder_drawImage_takeReference,reporter)73 DEF_TEST(Recorder_drawImage_takeReference, reporter) {
74
75 sk_sp<SkImage> image;
76 {
77 auto surface(SkSurface::MakeRasterN32Premul(100, 100));
78 surface->getCanvas()->clear(SK_ColorGREEN);
79 image = surface->makeImageSnapshot();
80 }
81 {
82 SkRecord record;
83 SkRecorder recorder(&record, 100, 100);
84
85 // DrawImage is supposed to take a reference
86 recorder.drawImage(image, 0, 0);
87 REPORTER_ASSERT(reporter, !image->unique());
88
89 Tally tally;
90 tally.apply(record);
91
92 REPORTER_ASSERT(reporter, 1 == tally.count<SkRecords::DrawImage>());
93 }
94 REPORTER_ASSERT(reporter, image->unique());
95
96 {
97 SkRecord record;
98 SkRecorder recorder(&record, 100, 100);
99
100 // DrawImageRect is supposed to take a reference
101 recorder.drawImageRect(image, SkRect::MakeWH(100, 100), nullptr);
102 REPORTER_ASSERT(reporter, !image->unique());
103
104 Tally tally;
105 tally.apply(record);
106
107 REPORTER_ASSERT(reporter, 1 == tally.count<SkRecords::DrawImageRect>());
108 }
109 REPORTER_ASSERT(reporter, image->unique());
110 }
111