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Side by Side Diff: tests/BBoxHierarchyTest.cpp

Issue 617393004: BBHs: void* data -> unsigned data (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: bench Created 6 years, 2 months ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "Test.h" 8 #include "Test.h"
9 #include "SkRandom.h" 9 #include "SkRandom.h"
10 #include "SkRTree.h" 10 #include "SkRTree.h"
11 #include "SkTSort.h" 11 #include "SkTSort.h"
12 12
13 static const size_t RTREE_MIN_CHILDREN = 6; 13 static const size_t RTREE_MIN_CHILDREN = 6;
14 static const size_t RTREE_MAX_CHILDREN = 11; 14 static const size_t RTREE_MAX_CHILDREN = 11;
15 15
16 static const int NUM_RECTS = 200; 16 static const int NUM_RECTS = 200;
17 static const size_t NUM_ITERATIONS = 100; 17 static const size_t NUM_ITERATIONS = 100;
18 static const size_t NUM_QUERIES = 50; 18 static const size_t NUM_QUERIES = 50;
19 19
20 static const SkScalar MAX_SIZE = 1000.0f; 20 static const SkScalar MAX_SIZE = 1000.0f;
21 21
22 struct DataRect { 22 struct DataRect {
23 SkRect rect; 23 SkRect rect;
24 void* data; 24 unsigned data;
25 }; 25 };
26 26
27 static SkRect random_rect(SkRandom& rand) { 27 static SkRect random_rect(SkRandom& rand) {
28 SkRect rect = {0,0,0,0}; 28 SkRect rect = {0,0,0,0};
29 while (rect.isEmpty()) { 29 while (rect.isEmpty()) {
30 rect.fLeft = rand.nextRangeF(0, MAX_SIZE); 30 rect.fLeft = rand.nextRangeF(0, MAX_SIZE);
31 rect.fRight = rand.nextRangeF(0, MAX_SIZE); 31 rect.fRight = rand.nextRangeF(0, MAX_SIZE);
32 rect.fTop = rand.nextRangeF(0, MAX_SIZE); 32 rect.fTop = rand.nextRangeF(0, MAX_SIZE);
33 rect.fBottom = rand.nextRangeF(0, MAX_SIZE); 33 rect.fBottom = rand.nextRangeF(0, MAX_SIZE);
34 rect.sort(); 34 rect.sort();
35 } 35 }
36 return rect; 36 return rect;
37 } 37 }
38 38
39 static void random_data_rects(SkRandom& rand, DataRect out[], int n) { 39 static void random_data_rects(SkRandom& rand, DataRect out[], int n) {
40 for (int i = 0; i < n; ++i) { 40 for (int i = 0; i < n; ++i) {
41 out[i].rect = random_rect(rand); 41 out[i].rect = random_rect(rand);
42 out[i].data = reinterpret_cast<void*>(i); 42 out[i].data = (unsigned)i;
43 } 43 }
44 } 44 }
45 45
robertphillips 2014/10/02 12:27:35 one line ?
mtklein 2014/10/02 14:32:09 Done.
46 static bool verify_query(SkRect query, DataRect rects[], 46 static bool verify_query(SkRect query, DataRect rects[],
47 SkTDArray<void*>& found) { 47 SkTDArray<unsigned>& found) {
48 // TODO(mtklein): no need to do this after everything's SkRects 48 // TODO(mtklein): no need to do this after everything's SkRects
49 query.roundOut(); 49 query.roundOut();
50 50
51 SkTDArray<void*> expected; 51 SkTDArray<unsigned> expected;
52 // manually intersect with every rectangle 52 // manually intersect with every rectangle
53 for (int i = 0; i < NUM_RECTS; ++i) { 53 for (int i = 0; i < NUM_RECTS; ++i) {
54 if (SkRect::Intersects(query, rects[i].rect)) { 54 if (SkRect::Intersects(query, rects[i].rect)) {
55 expected.push(rects[i].data); 55 expected.push(rects[i].data);
56 } 56 }
57 } 57 }
58 58
59 if (expected.count() != found.count()) { 59 if (expected.count() != found.count()) {
60 return false; 60 return false;
61 } 61 }
62 62
63 if (0 == expected.count()) { 63 if (0 == expected.count()) {
64 return true; 64 return true;
65 } 65 }
66 66
robertphillips 2014/10/02 12:27:35 Are these sorts really necessary ?
mtklein 2014/10/02 14:32:09 Looking more closely at this file, it turns out th
67 // Just cast to long since sorting by the value of the void*'s was being pro blematic... 67 SkTQSort(expected.begin(), expected.end() - 1);
68 SkTQSort(reinterpret_cast<long*>(expected.begin()), 68 SkTQSort(found.begin(), found.end() - 1);
69 reinterpret_cast<long*>(expected.end() - 1));
70 SkTQSort(reinterpret_cast<long*>(found.begin()),
71 reinterpret_cast<long*>(found.end() - 1));
72 return found == expected; 69 return found == expected;
73 } 70 }
74 71
75 static void run_queries(skiatest::Reporter* reporter, SkRandom& rand, DataRect r ects[], 72 static void run_queries(skiatest::Reporter* reporter, SkRandom& rand, DataRect r ects[],
76 SkBBoxHierarchy& tree) { 73 SkBBoxHierarchy& tree) {
77 for (size_t i = 0; i < NUM_QUERIES; ++i) { 74 for (size_t i = 0; i < NUM_QUERIES; ++i) {
78 SkTDArray<void*> hits; 75 SkTDArray<unsigned> hits;
79 SkRect query = random_rect(rand); 76 SkRect query = random_rect(rand);
80 tree.search(query, &hits); 77 tree.search(query, &hits);
81 REPORTER_ASSERT(reporter, verify_query(query, rects, hits)); 78 REPORTER_ASSERT(reporter, verify_query(query, rects, hits));
82 } 79 }
83 } 80 }
84 81
85 static void tree_test_main(SkBBoxHierarchy* tree, int minChildren, int maxChildr en, 82 static void tree_test_main(SkBBoxHierarchy* tree, int minChildren, int maxChildr en,
86 skiatest::Reporter* reporter) { 83 skiatest::Reporter* reporter) {
87 DataRect rects[NUM_RECTS]; 84 DataRect rects[NUM_RECTS];
88 SkRandom rand; 85 SkRandom rand;
(...skipping 72 matching lines...) Expand 10 before | Expand all | Expand 10 after
161 SkRTree* rtree = SkRTree::Create(RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN) ; 158 SkRTree* rtree = SkRTree::Create(RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN) ;
162 SkAutoUnref au(rtree); 159 SkAutoUnref au(rtree);
163 tree_test_main(rtree, RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN, reporter); 160 tree_test_main(rtree, RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN, reporter);
164 161
165 // Rtree that orders input rectangles on deferred insert. 162 // Rtree that orders input rectangles on deferred insert.
166 SkRTree* unsortedRtree = SkRTree::Create(RTREE_MIN_CHILDREN, RTREE_MAX_C HILDREN, 1, false); 163 SkRTree* unsortedRtree = SkRTree::Create(RTREE_MIN_CHILDREN, RTREE_MAX_C HILDREN, 1, false);
167 SkAutoUnref auo(unsortedRtree); 164 SkAutoUnref auo(unsortedRtree);
168 tree_test_main(unsortedRtree, RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN, re porter); 165 tree_test_main(unsortedRtree, RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN, re porter);
169 } 166 }
170 } 167 }
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