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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "SkBenchmark.h" | 9 #include "Benchmark.h" |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
11 #include "SkRTree.h" | 11 #include "SkRTree.h" |
12 #include "SkRandom.h" | 12 #include "SkRandom.h" |
13 #include "SkString.h" | 13 #include "SkString.h" |
14 | 14 |
15 // confine rectangles to a smallish area, so queries generally hit something, an
d overlap occurs: | 15 // confine rectangles to a smallish area, so queries generally hit something, an
d overlap occurs: |
16 static const int GENERATE_EXTENTS = 1000; | 16 static const int GENERATE_EXTENTS = 1000; |
17 static const int NUM_BUILD_RECTS = 500; | 17 static const int NUM_BUILD_RECTS = 500; |
18 static const int NUM_QUERY_RECTS = 5000; | 18 static const int NUM_QUERY_RECTS = 5000; |
19 static const int GRID_WIDTH = 100; | 19 static const int GRID_WIDTH = 100; |
20 | 20 |
21 typedef SkIRect (*MakeRectProc)(SkRandom&, int, int); | 21 typedef SkIRect (*MakeRectProc)(SkRandom&, int, int); |
22 | 22 |
23 // Time how long it takes to build an R-Tree either bulk-loaded or not | 23 // Time how long it takes to build an R-Tree either bulk-loaded or not |
24 class RTreeBuildBench : public SkBenchmark { | 24 class RTreeBuildBench : public Benchmark { |
25 public: | 25 public: |
26 RTreeBuildBench(const char* name, MakeRectProc proc, bool bulkLoad, | 26 RTreeBuildBench(const char* name, MakeRectProc proc, bool bulkLoad, |
27 SkBBoxHierarchy* tree) | 27 SkBBoxHierarchy* tree) |
28 : fTree(tree) | 28 : fTree(tree) |
29 , fProc(proc) | 29 , fProc(proc) |
30 , fBulkLoad(bulkLoad) { | 30 , fBulkLoad(bulkLoad) { |
31 fName.append("rtree_"); | 31 fName.append("rtree_"); |
32 fName.append(name); | 32 fName.append(name); |
33 fName.append("_build"); | 33 fName.append("_build"); |
34 if (fBulkLoad) { | 34 if (fBulkLoad) { |
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56 } | 56 } |
57 fTree->flushDeferredInserts(); | 57 fTree->flushDeferredInserts(); |
58 fTree->clear(); | 58 fTree->clear(); |
59 } | 59 } |
60 } | 60 } |
61 private: | 61 private: |
62 SkBBoxHierarchy* fTree; | 62 SkBBoxHierarchy* fTree; |
63 MakeRectProc fProc; | 63 MakeRectProc fProc; |
64 SkString fName; | 64 SkString fName; |
65 bool fBulkLoad; | 65 bool fBulkLoad; |
66 typedef SkBenchmark INHERITED; | 66 typedef Benchmark INHERITED; |
67 }; | 67 }; |
68 | 68 |
69 // Time how long it takes to perform queries on an R-Tree, bulk-loaded or not | 69 // Time how long it takes to perform queries on an R-Tree, bulk-loaded or not |
70 class RTreeQueryBench : public SkBenchmark { | 70 class RTreeQueryBench : public Benchmark { |
71 public: | 71 public: |
72 enum QueryType { | 72 enum QueryType { |
73 kSmall_QueryType, // small queries | 73 kSmall_QueryType, // small queries |
74 kLarge_QueryType, // large queries | 74 kLarge_QueryType, // large queries |
75 kRandom_QueryType,// randomly sized queries | 75 kRandom_QueryType,// randomly sized queries |
76 kFull_QueryType // queries that cover everything | 76 kFull_QueryType // queries that cover everything |
77 }; | 77 }; |
78 | 78 |
79 RTreeQueryBench(const char* name, MakeRectProc proc, bool bulkLoad, | 79 RTreeQueryBench(const char* name, MakeRectProc proc, bool bulkLoad, |
80 QueryType q, SkBBoxHierarchy* tree) | 80 QueryType q, SkBBoxHierarchy* tree) |
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145 }; | 145 }; |
146 fTree->search(query, &hits); | 146 fTree->search(query, &hits); |
147 } | 147 } |
148 } | 148 } |
149 private: | 149 private: |
150 SkBBoxHierarchy* fTree; | 150 SkBBoxHierarchy* fTree; |
151 MakeRectProc fProc; | 151 MakeRectProc fProc; |
152 SkString fName; | 152 SkString fName; |
153 bool fBulkLoad; | 153 bool fBulkLoad; |
154 QueryType fQuery; | 154 QueryType fQuery; |
155 typedef SkBenchmark INHERITED; | 155 typedef Benchmark INHERITED; |
156 }; | 156 }; |
157 | 157 |
158 static inline SkIRect make_concentric_rects_increasing(SkRandom&, int index, int
numRects) { | 158 static inline SkIRect make_concentric_rects_increasing(SkRandom&, int index, int
numRects) { |
159 SkIRect out = {0, 0, index + 1, index + 1}; | 159 SkIRect out = {0, 0, index + 1, index + 1}; |
160 return out; | 160 return out; |
161 } | 161 } |
162 | 162 |
163 static inline SkIRect make_XYordered_rects(SkRandom& rand, int index, int numRec
ts) { | 163 static inline SkIRect make_XYordered_rects(SkRandom& rand, int index, int numRec
ts) { |
164 SkIRect out; | 164 SkIRect out; |
165 out.fLeft = index % GRID_WIDTH; | 165 out.fLeft = index % GRID_WIDTH; |
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260 &make_concentric_rects_increasing, true, SkRTree::Create(5
, 16, 1, false))); | 260 &make_concentric_rects_increasing, true, SkRTree::Create(5
, 16, 1, false))); |
261 ) | 261 ) |
262 DEF_BENCH( | 262 DEF_BENCH( |
263 return SkNEW_ARGS(RTreeQueryBench, ("concentric", &make_concentric_rects_inc
reasing, true, | 263 return SkNEW_ARGS(RTreeQueryBench, ("concentric", &make_concentric_rects_inc
reasing, true, |
264 RTreeQueryBench::kRandom_QueryType, SkRTree::Create(5, 16)
)); | 264 RTreeQueryBench::kRandom_QueryType, SkRTree::Create(5, 16)
)); |
265 ) | 265 ) |
266 DEF_BENCH( | 266 DEF_BENCH( |
267 return SkNEW_ARGS(RTreeQueryBench, ("(unsorted)concentric", &make_concentric
_rects_increasing, true, | 267 return SkNEW_ARGS(RTreeQueryBench, ("(unsorted)concentric", &make_concentric
_rects_increasing, true, |
268 RTreeQueryBench::kRandom_QueryType, SkRTree::Create(5, 16,
1, false))); | 268 RTreeQueryBench::kRandom_QueryType, SkRTree::Create(5, 16,
1, false))); |
269 ) | 269 ) |
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