Flutter Impeller
geometry_benchmarks.cc
Go to the documentation of this file.
1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "flutter/benchmarking/benchmarking.h"
6 
7 #include "flutter/display_list/geometry/dl_path.h"
8 #include "flutter/display_list/geometry/dl_path_builder.h"
9 #include "impeller/entity/geometry/stroke_path_geometry.h"
10 #include "impeller/tessellator/tessellator_libtess.h"
11 
12 namespace impeller {
13 
14 class ImpellerBenchmarkAccessor {
15  public:
16  static std::vector<Point> GenerateSolidStrokeVertices(
17  Tessellator& tessellator,
18  const PathSource& path,
19  const StrokeParameters& stroke,
20  Scalar scale) {
21  return StrokePathGeometry::GenerateSolidStrokeVertices( //
22  tessellator, path, stroke, scale);
23  }
24 };
25 
26 namespace {
27 /// A path with many connected cubic components, including
28 /// overlaps/self-intersections/multi-contour.
29 flutter::DlPath CreateCubic(bool closed);
30 /// Similar to the path above, but with all cubics replaced by quadratics.
31 flutter::DlPath CreateQuadratic(bool closed);
32 /// Create a rounded rect.
33 flutter::DlPath CreateRRect();
34 /// Create a rounded superellipse.
35 flutter::DlPath CreateRSuperellipse();
36 } // namespace
37 
38 static TessellatorLibtess tess;
39 
40 template <class... Args>
41 static void BM_StrokePath(benchmark::State& state, Args&&... args) {
42  auto args_tuple = std::make_tuple(std::move(args)...);
43  auto path = std::get<flutter::DlPath>(args_tuple);
44 
45  Tessellator tessellator;
46  StrokeParameters stroke{
47  .width = 5.0f,
48  .cap = std::get<Cap>(args_tuple),
49  .join = std::get<Join>(args_tuple),
50  .miter_limit = 10.0f,
51  };
52 
53  const Scalar scale = 1.0f;
54 
55  size_t point_count = 0u;
56  size_t single_point_count = 0u;
57  while (state.KeepRunning()) {
58  auto vertices = ImpellerBenchmarkAccessor::GenerateSolidStrokeVertices(
59  tessellator, path, stroke, scale);
60  single_point_count = vertices.size();
61  point_count += single_point_count;
62  }
63  state.counters["SinglePointCount"] = single_point_count;
64  state.counters["TotalPointCount"] = point_count;
65 }
66 
67 template <class... Args>
68 static void BM_Convex(benchmark::State& state, Args&&... args) {
69  auto args_tuple = std::make_tuple(std::move(args)...);
70  auto path = flutter::DlPath(std::get<flutter::DlPath>(args_tuple));
71 
72  size_t point_count = 0u;
73  size_t single_point_count = 0u;
74  auto points = std::make_unique<std::vector<Point>>();
75  auto indices = std::make_unique<std::vector<uint16_t>>();
76  points->reserve(2048);
77  while (state.KeepRunning()) {
78  points->clear();
79  indices->clear();
80  Tessellator::TessellateConvexInternal(path, *points, *indices, 1.0f);
81  single_point_count = indices->size();
82  point_count += indices->size();
83  }
84  state.counters["SinglePointCount"] = single_point_count;
85  state.counters["TotalPointCount"] = point_count;
86 }
87 
88 #define MAKE_STROKE_PATH_BENCHMARK_CAPTURE(path, cap, join, closed) \
89  BENCHMARK_CAPTURE(BM_StrokePath, stroke_##path##_##cap##_##join, \
90  Create##path(closed), Cap::k##cap, Join::k##join)
91 
92 #define MAKE_STROKE_BENCHMARK_CAPTURE_ALL_CAPS_JOINS(path, closed) \
93  MAKE_STROKE_PATH_BENCHMARK_CAPTURE(path, Butt, Bevel, closed); \
94  MAKE_STROKE_PATH_BENCHMARK_CAPTURE(path, Butt, Miter, closed); \
95  MAKE_STROKE_PATH_BENCHMARK_CAPTURE(path, Butt, Round, closed); \
96  MAKE_STROKE_PATH_BENCHMARK_CAPTURE(path, Square, Bevel, closed); \
97  MAKE_STROKE_PATH_BENCHMARK_CAPTURE(path, Round, Bevel, closed)
98 
99 MAKE_STROKE_BENCHMARK_CAPTURE_ALL_CAPS_JOINS(Cubic, false);
100 
101 MAKE_STROKE_BENCHMARK_CAPTURE_ALL_CAPS_JOINS(Quadratic, false);
102 
103 BENCHMARK_CAPTURE(BM_Convex, rrect_convex, CreateRRect(), true);
104 // A round rect has no ends so we don't need to try it with all cap values
105 // but it does have joins and even though they should all be almost
106 // colinear, we run the benchmark against all 3 join values.
107 MAKE_STROKE_PATH_BENCHMARK_CAPTURE(RRect, Butt, Bevel, );
108 MAKE_STROKE_PATH_BENCHMARK_CAPTURE(RRect, Butt, Miter, );
109 MAKE_STROKE_PATH_BENCHMARK_CAPTURE(RRect, Butt, Round, );
110 
111 // Same as RRect
112 BENCHMARK_CAPTURE(BM_Convex, rse_convex, CreateRSuperellipse(), true);
113 MAKE_STROKE_PATH_BENCHMARK_CAPTURE(RSuperellipse, Butt, Bevel, );
114 MAKE_STROKE_PATH_BENCHMARK_CAPTURE(RSuperellipse, Butt, Miter, );
115 MAKE_STROKE_PATH_BENCHMARK_CAPTURE(RSuperellipse, Butt, Round, );
116 
117 namespace {
118 
119 flutter::DlPath CreateRRect() {
120  return flutter::DlPathBuilder{}
121  .AddRoundRect(
122  RoundRect::MakeRectXY(Rect::MakeLTRB(0, 0, 400, 400), 16, 16))
123  .TakePath();
124 }
125 
126 flutter::DlPath CreateRSuperellipse() {
127  return flutter::DlPathBuilder{}
128  .AddRoundSuperellipse(
129  RoundSuperellipse::MakeRectXY(Rect::MakeLTRB(0, 0, 400, 400), 16, 16))
130  .TakePath();
131 }
132 
133 flutter::DlPath CreateCubic(bool closed) {
134  auto builder = flutter::DlPathBuilder{};
135  builder //
136  .MoveTo({359.934, 96.6335})
137  .CubicCurveTo({358.189, 96.7055}, {356.436, 96.7908}, {354.673, 96.8895})
138  .CubicCurveTo({354.571, 96.8953}, {354.469, 96.9016}, {354.367, 96.9075})
139  .CubicCurveTo({352.672, 97.0038}, {350.969, 97.113}, {349.259, 97.2355})
140  .CubicCurveTo({349.048, 97.2506}, {348.836, 97.2678}, {348.625, 97.2834})
141  .CubicCurveTo({347.019, 97.4014}, {345.407, 97.5299}, {343.789, 97.6722})
142  .CubicCurveTo({343.428, 97.704}, {343.065, 97.7402}, {342.703, 97.7734})
143  .CubicCurveTo({341.221, 97.9086}, {339.736, 98.0505}, {338.246, 98.207})
144  .CubicCurveTo({337.702, 98.2642}, {337.156, 98.3292}, {336.612, 98.3894})
145  .CubicCurveTo({335.284, 98.5356}, {333.956, 98.6837}, {332.623, 98.8476})
146  .CubicCurveTo({332.495, 98.8635}, {332.366, 98.8818}, {332.237, 98.8982})
147  .LineTo({332.237, 102.601})
148  .LineTo({321.778, 102.601})
149  .LineTo({321.778, 100.382})
150  .CubicCurveTo({321.572, 100.413}, {321.367, 100.442}, {321.161, 100.476})
151  .CubicCurveTo({319.22, 100.79}, {317.277, 101.123}, {315.332, 101.479})
152  .CubicCurveTo({315.322, 101.481}, {315.311, 101.482}, {315.301, 101.484})
153  .LineTo({310.017, 105.94})
154  .LineTo({309.779, 105.427})
155  .LineTo({314.403, 101.651})
156  .CubicCurveTo({314.391, 101.653}, {314.379, 101.656}, {314.368, 101.658})
157  .CubicCurveTo({312.528, 102.001}, {310.687, 102.366}, {308.846, 102.748})
158  .CubicCurveTo({307.85, 102.955}, {306.855, 103.182}, {305.859, 103.4})
159  .CubicCurveTo({305.048, 103.579}, {304.236, 103.75}, {303.425, 103.936})
160  .LineTo({299.105, 107.578})
161  .LineTo({298.867, 107.065})
162  .LineTo({302.394, 104.185})
163  .LineTo({302.412, 104.171})
164  .CubicCurveTo({301.388, 104.409}, {300.366, 104.67}, {299.344, 104.921})
165  .CubicCurveTo({298.618, 105.1}, {297.89, 105.269}, {297.165, 105.455})
166  .CubicCurveTo({295.262, 105.94}, {293.36, 106.445}, {291.462, 106.979})
167  .CubicCurveTo({291.132, 107.072}, {290.802, 107.163}, {290.471, 107.257})
168  .CubicCurveTo({289.463, 107.544}, {288.455, 107.839}, {287.449, 108.139})
169  .CubicCurveTo({286.476, 108.431}, {285.506, 108.73}, {284.536, 109.035})
170  .CubicCurveTo({283.674, 109.304}, {282.812, 109.579}, {281.952, 109.859})
171  .CubicCurveTo({281.177, 110.112}, {280.406, 110.377}, {279.633, 110.638})
172  .CubicCurveTo({278.458, 111.037}, {277.256, 111.449}, {276.803, 111.607})
173  .CubicCurveTo({276.76, 111.622}, {276.716, 111.637}, {276.672, 111.653})
174  .CubicCurveTo({275.017, 112.239}, {273.365, 112.836}, {271.721, 113.463})
175  .LineTo({271.717, 113.449})
176  .CubicCurveTo({271.496, 113.496}, {271.238, 113.559}, {270.963, 113.628})
177  .CubicCurveTo({270.893, 113.645}, {270.822, 113.663}, {270.748, 113.682})
178  .CubicCurveTo({270.468, 113.755}, {270.169, 113.834}, {269.839, 113.926})
179  .CubicCurveTo({269.789, 113.94}, {269.732, 113.957}, {269.681, 113.972})
180  .CubicCurveTo({269.391, 114.053}, {269.081, 114.143}, {268.756, 114.239})
181  .CubicCurveTo({268.628, 114.276}, {268.5, 114.314}, {268.367, 114.354})
182  .CubicCurveTo({268.172, 114.412}, {267.959, 114.478}, {267.752, 114.54})
183  .CubicCurveTo({263.349, 115.964}, {258.058, 117.695}, {253.564, 119.252})
184  .CubicCurveTo({253.556, 119.255}, {253.547, 119.258}, {253.538, 119.261})
185  .CubicCurveTo({251.844, 119.849}, {250.056, 120.474}, {248.189, 121.131})
186  .CubicCurveTo({248, 121.197}, {247.812, 121.264}, {247.621, 121.331})
187  .CubicCurveTo({247.079, 121.522}, {246.531, 121.715}, {245.975, 121.912})
188  .CubicCurveTo({245.554, 122.06}, {245.126, 122.212}, {244.698, 122.364})
189  .CubicCurveTo({244.071, 122.586}, {243.437, 122.811}, {242.794, 123.04})
190  .CubicCurveTo({242.189, 123.255}, {241.58, 123.472}, {240.961, 123.693})
191  .CubicCurveTo({240.659, 123.801}, {240.357, 123.909}, {240.052, 124.018})
192  .CubicCurveTo({239.12, 124.351}, {238.18, 124.687}, {237.22, 125.032})
193  .LineTo({237.164, 125.003})
194  .CubicCurveTo({236.709, 125.184}, {236.262, 125.358}, {235.81, 125.538})
195  .CubicCurveTo({235.413, 125.68}, {234.994, 125.832}, {234.592, 125.977})
196  .CubicCurveTo({234.592, 125.977}, {234.591, 125.977}, {234.59, 125.977})
197  .CubicCurveTo({222.206, 130.435}, {207.708, 135.753}, {192.381, 141.429})
198  .CubicCurveTo({162.77, 151.336}, {122.17, 156.894}, {84.1123, 160})
199  .LineTo({360, 160})
200  .LineTo({360, 119.256})
201  .LineTo({360, 106.332})
202  .LineTo({360, 96.6307})
203  .CubicCurveTo({359.978, 96.6317}, {359.956, 96.6326}, {359.934, 96.6335});
204  if (closed) {
205  builder.Close();
206  }
207  builder //
208  .MoveTo({337.336, 124.143})
209  .CubicCurveTo({337.274, 122.359}, {338.903, 121.511}, {338.903, 121.511})
210  .CubicCurveTo({338.903, 121.511}, {338.96, 123.303}, {337.336, 124.143});
211  if (closed) {
212  builder.Close();
213  }
214  builder //
215  .MoveTo({340.082, 121.849})
216  .CubicCurveTo({340.074, 121.917}, {340.062, 121.992}, {340.046, 122.075})
217  .CubicCurveTo({340.039, 122.109}, {340.031, 122.142}, {340.023, 122.177})
218  .CubicCurveTo({340.005, 122.26}, {339.98, 122.346}, {339.952, 122.437})
219  .CubicCurveTo({339.941, 122.473}, {339.931, 122.507}, {339.918, 122.544})
220  .CubicCurveTo({339.873, 122.672}, {339.819, 122.804}, {339.75, 122.938})
221  .CubicCurveTo({339.747, 122.944}, {339.743, 122.949}, {339.74, 122.955})
222  .CubicCurveTo({339.674, 123.08}, {339.593, 123.205}, {339.501, 123.328})
223  .CubicCurveTo({339.473, 123.366}, {339.441, 123.401}, {339.41, 123.438})
224  .CubicCurveTo({339.332, 123.534}, {339.243, 123.625}, {339.145, 123.714})
225  .CubicCurveTo({339.105, 123.75}, {339.068, 123.786}, {339.025, 123.821})
226  .CubicCurveTo({338.881, 123.937}, {338.724, 124.048}, {338.539, 124.143})
227  .CubicCurveTo({338.532, 123.959}, {338.554, 123.79}, {338.58, 123.626})
228  .CubicCurveTo({338.58, 123.625}, {338.58, 123.625}, {338.58, 123.625})
229  .CubicCurveTo({338.607, 123.455}, {338.65, 123.299}, {338.704, 123.151})
230  .CubicCurveTo({338.708, 123.14}, {338.71, 123.127}, {338.714, 123.117})
231  .CubicCurveTo({338.769, 122.971}, {338.833, 122.838}, {338.905, 122.712})
232  .CubicCurveTo({338.911, 122.702}, {338.916, 122.69200000000001},
233  {338.922, 122.682})
234  .CubicCurveTo({338.996, 122.557}, {339.072, 122.444}, {339.155, 122.34})
235  .CubicCurveTo({339.161, 122.333}, {339.166, 122.326}, {339.172, 122.319})
236  .CubicCurveTo({339.256, 122.215}, {339.339, 122.12}, {339.425, 122.037})
237  .CubicCurveTo({339.428, 122.033}, {339.431, 122.03}, {339.435, 122.027})
238  .CubicCurveTo({339.785, 121.687}, {340.106, 121.511}, {340.106, 121.511})
239  .CubicCurveTo({340.106, 121.511}, {340.107, 121.645}, {340.082, 121.849});
240  if (closed) {
241  builder.Close();
242  }
243  builder //
244  .MoveTo({340.678, 113.245})
245  .CubicCurveTo({340.594, 113.488}, {340.356, 113.655}, {340.135, 113.775})
246  .CubicCurveTo({339.817, 113.948}, {339.465, 114.059}, {339.115, 114.151})
247  .CubicCurveTo({338.251, 114.379}, {337.34, 114.516}, {336.448, 114.516})
248  .CubicCurveTo({335.761, 114.516}, {335.072, 114.527}, {334.384, 114.513})
249  .CubicCurveTo({334.125, 114.508}, {333.862, 114.462}, {333.605, 114.424})
250  .CubicCurveTo({332.865, 114.318}, {332.096, 114.184}, {331.41, 113.883})
251  .CubicCurveTo({330.979, 113.695}, {330.442, 113.34}, {330.672, 112.813})
252  .CubicCurveTo({331.135, 111.755}, {333.219, 112.946}, {334.526, 113.833})
253  .CubicCurveTo({334.54, 113.816}, {334.554, 113.8}, {334.569, 113.784})
254  .CubicCurveTo({333.38, 112.708}, {331.749, 110.985}, {332.76, 110.402})
255  .CubicCurveTo({333.769, 109.82}, {334.713, 111.93}, {335.228, 113.395})
256  .CubicCurveTo({334.915, 111.889}, {334.59, 109.636}, {335.661, 109.592})
257  .CubicCurveTo({336.733, 109.636}, {336.408, 111.889}, {336.07, 113.389})
258  .CubicCurveTo({336.609, 111.93}, {337.553, 109.82}, {338.563, 110.402})
259  .CubicCurveTo({339.574, 110.984}, {337.942, 112.708}, {336.753, 113.784})
260  .CubicCurveTo({336.768, 113.8}, {336.782, 113.816}, {336.796, 113.833})
261  .CubicCurveTo({338.104, 112.946}, {340.187, 111.755}, {340.65, 112.813})
262  .CubicCurveTo({340.71, 112.95}, {340.728, 113.102}, {340.678, 113.245});
263  if (closed) {
264  builder.Close();
265  }
266  builder //
267  .MoveTo({346.357, 106.771})
268  .CubicCurveTo({346.295, 104.987}, {347.924, 104.139}, {347.924, 104.139})
269  .CubicCurveTo({347.924, 104.139}, {347.982, 105.931}, {346.357, 106.771});
270  if (closed) {
271  builder.Close();
272  }
273  builder //
274  .MoveTo({347.56, 106.771})
275  .CubicCurveTo({347.498, 104.987}, {349.127, 104.139}, {349.127, 104.139})
276  .CubicCurveTo({349.127, 104.139}, {349.185, 105.931}, {347.56, 106.771});
277  if (closed) {
278  builder.Close();
279  }
280  return builder.TakePath();
281 }
282 
283 flutter::DlPath CreateQuadratic(bool closed) {
284  auto builder = flutter::DlPathBuilder{};
285  builder //
286  .MoveTo({359.934, 96.6335})
287  .QuadraticCurveTo({358.189, 96.7055}, {354.673, 96.8895})
288  .QuadraticCurveTo({354.571, 96.8953}, {354.367, 96.9075})
289  .QuadraticCurveTo({352.672, 97.0038}, {349.259, 97.2355})
290  .QuadraticCurveTo({349.048, 97.2506}, {348.625, 97.2834})
291  .QuadraticCurveTo({347.019, 97.4014}, {343.789, 97.6722})
292  .QuadraticCurveTo({343.428, 97.704}, {342.703, 97.7734})
293  .QuadraticCurveTo({341.221, 97.9086}, {338.246, 98.207})
294  .QuadraticCurveTo({337.702, 98.2642}, {336.612, 98.3894})
295  .QuadraticCurveTo({335.284, 98.5356}, {332.623, 98.8476})
296  .QuadraticCurveTo({332.495, 98.8635}, {332.237, 98.8982})
297  .LineTo({332.237, 102.601})
298  .LineTo({321.778, 102.601})
299  .LineTo({321.778, 100.382})
300  .QuadraticCurveTo({321.572, 100.413}, {321.161, 100.476})
301  .QuadraticCurveTo({319.22, 100.79}, {315.332, 101.479})
302  .QuadraticCurveTo({315.322, 101.481}, {315.301, 101.484})
303  .LineTo({310.017, 105.94})
304  .LineTo({309.779, 105.427})
305  .LineTo({314.403, 101.651})
306  .QuadraticCurveTo({314.391, 101.653}, {314.368, 101.658})
307  .QuadraticCurveTo({312.528, 102.001}, {308.846, 102.748})
308  .QuadraticCurveTo({307.85, 102.955}, {305.859, 103.4})
309  .QuadraticCurveTo({305.048, 103.579}, {303.425, 103.936})
310  .LineTo({299.105, 107.578})
311  .LineTo({298.867, 107.065})
312  .LineTo({302.394, 104.185})
313  .LineTo({302.412, 104.171})
314  .QuadraticCurveTo({301.388, 104.409}, {299.344, 104.921})
315  .QuadraticCurveTo({298.618, 105.1}, {297.165, 105.455})
316  .QuadraticCurveTo({295.262, 105.94}, {291.462, 106.979})
317  .QuadraticCurveTo({291.132, 107.072}, {290.471, 107.257})
318  .QuadraticCurveTo({289.463, 107.544}, {287.449, 108.139})
319  .QuadraticCurveTo({286.476, 108.431}, {284.536, 109.035})
320  .QuadraticCurveTo({283.674, 109.304}, {281.952, 109.859})
321  .QuadraticCurveTo({281.177, 110.112}, {279.633, 110.638})
322  .QuadraticCurveTo({278.458, 111.037}, {276.803, 111.607})
323  .QuadraticCurveTo({276.76, 111.622}, {276.672, 111.653})
324  .QuadraticCurveTo({275.017, 112.239}, {271.721, 113.463})
325  .LineTo({271.717, 113.449})
326  .QuadraticCurveTo({271.496, 113.496}, {270.963, 113.628})
327  .QuadraticCurveTo({270.893, 113.645}, {270.748, 113.682})
328  .QuadraticCurveTo({270.468, 113.755}, {269.839, 113.926})
329  .QuadraticCurveTo({269.789, 113.94}, {269.681, 113.972})
330  .QuadraticCurveTo({269.391, 114.053}, {268.756, 114.239})
331  .QuadraticCurveTo({268.628, 114.276}, {268.367, 114.354})
332  .QuadraticCurveTo({268.172, 114.412}, {267.752, 114.54})
333  .QuadraticCurveTo({263.349, 115.964}, {253.564, 119.252})
334  .QuadraticCurveTo({253.556, 119.255}, {253.538, 119.261})
335  .QuadraticCurveTo({251.844, 119.849}, {248.189, 121.131})
336  .QuadraticCurveTo({248, 121.197}, {247.621, 121.331})
337  .QuadraticCurveTo({247.079, 121.522}, {245.975, 121.912})
338  .QuadraticCurveTo({245.554, 122.06}, {244.698, 122.364})
339  .QuadraticCurveTo({244.071, 122.586}, {242.794, 123.04})
340  .QuadraticCurveTo({242.189, 123.255}, {240.961, 123.693})
341  .QuadraticCurveTo({240.659, 123.801}, {240.052, 124.018})
342  .QuadraticCurveTo({239.12, 124.351}, {237.22, 125.032})
343  .LineTo({237.164, 125.003})
344  .QuadraticCurveTo({236.709, 125.184}, {235.81, 125.538})
345  .QuadraticCurveTo({235.413, 125.68}, {234.592, 125.977})
346  .QuadraticCurveTo({234.592, 125.977}, {234.59, 125.977})
347  .QuadraticCurveTo({222.206, 130.435}, {192.381, 141.429})
348  .QuadraticCurveTo({162.77, 151.336}, {84.1123, 160})
349  .LineTo({360, 160})
350  .LineTo({360, 119.256})
351  .LineTo({360, 106.332})
352  .LineTo({360, 96.6307})
353  .QuadraticCurveTo({359.978, 96.6317}, {359.934, 96.6335});
354  if (closed) {
355  builder.Close();
356  }
357  builder //
358  .MoveTo({337.336, 124.143})
359  .QuadraticCurveTo({337.274, 122.359}, {338.903, 121.511})
360  .QuadraticCurveTo({338.903, 121.511}, {337.336, 124.143});
361  if (closed) {
362  builder.Close();
363  }
364  builder //
365  .MoveTo({340.082, 121.849})
366  .QuadraticCurveTo({340.074, 121.917}, {340.046, 122.075})
367  .QuadraticCurveTo({340.039, 122.109}, {340.023, 122.177})
368  .QuadraticCurveTo({340.005, 122.26}, {339.952, 122.437})
369  .QuadraticCurveTo({339.941, 122.473}, {339.918, 122.544})
370  .QuadraticCurveTo({339.873, 122.672}, {339.75, 122.938})
371  .QuadraticCurveTo({339.747, 122.944}, {339.74, 122.955})
372  .QuadraticCurveTo({339.674, 123.08}, {339.501, 123.328})
373  .QuadraticCurveTo({339.473, 123.366}, {339.41, 123.438})
374  .QuadraticCurveTo({339.332, 123.534}, {339.145, 123.714})
375  .QuadraticCurveTo({339.105, 123.75}, {339.025, 123.821})
376  .QuadraticCurveTo({338.881, 123.937}, {338.539, 124.143})
377  .QuadraticCurveTo({338.532, 123.959}, {338.58, 123.626})
378  .QuadraticCurveTo({338.58, 123.625}, {338.58, 123.625})
379  .QuadraticCurveTo({338.607, 123.455}, {338.704, 123.151})
380  .QuadraticCurveTo({338.708, 123.14}, {338.714, 123.117})
381  .QuadraticCurveTo({338.769, 122.971}, {338.905, 122.712})
382  .QuadraticCurveTo({338.911, 122.702}, {338.922, 122.682})
383  .QuadraticCurveTo({338.996, 122.557}, {339.155, 122.34})
384  .QuadraticCurveTo({339.161, 122.333}, {339.172, 122.319})
385  .QuadraticCurveTo({339.256, 122.215}, {339.425, 122.037})
386  .QuadraticCurveTo({339.428, 122.033}, {339.435, 122.027})
387  .QuadraticCurveTo({339.785, 121.687}, {340.106, 121.511})
388  .QuadraticCurveTo({340.106, 121.511}, {340.082, 121.849});
389  if (closed) {
390  builder.Close();
391  }
392  builder //
393  .MoveTo({340.678, 113.245})
394  .QuadraticCurveTo({340.594, 113.488}, {340.135, 113.775})
395  .QuadraticCurveTo({339.817, 113.948}, {339.115, 114.151})
396  .QuadraticCurveTo({338.251, 114.379}, {336.448, 114.516})
397  .QuadraticCurveTo({335.761, 114.516}, {334.384, 114.513})
398  .QuadraticCurveTo({334.125, 114.508}, {333.605, 114.424})
399  .QuadraticCurveTo({332.865, 114.318}, {331.41, 113.883})
400  .QuadraticCurveTo({330.979, 113.695}, {330.672, 112.813})
401  .QuadraticCurveTo({331.135, 111.755}, {334.526, 113.833})
402  .QuadraticCurveTo({334.54, 113.816}, {334.569, 113.784})
403  .QuadraticCurveTo({333.38, 112.708}, {332.76, 110.402})
404  .QuadraticCurveTo({333.769, 109.82}, {335.228, 113.395})
405  .QuadraticCurveTo({334.915, 111.889}, {335.661, 109.592})
406  .QuadraticCurveTo({336.733, 109.636}, {336.07, 113.389})
407  .QuadraticCurveTo({336.609, 111.93}, {338.563, 110.402})
408  .QuadraticCurveTo({339.574, 110.984}, {336.753, 113.784})
409  .QuadraticCurveTo({336.768, 113.8}, {336.796, 113.833})
410  .QuadraticCurveTo({338.104, 112.946}, {340.65, 112.813})
411  .QuadraticCurveTo({340.71, 112.95}, {340.678, 113.245});
412  if (closed) {
413  builder.Close();
414  }
415  builder //
416  .MoveTo({346.357, 106.771})
417  .QuadraticCurveTo({346.295, 104.987}, {347.924, 104.139})
418  .QuadraticCurveTo({347.924, 104.139}, {346.357, 106.771});
419  if (closed) {
420  builder.Close();
421  }
422  builder //
423  .MoveTo({347.56, 106.771})
424  .QuadraticCurveTo({347.498, 104.987}, {349.127, 104.139})
425  .QuadraticCurveTo({349.127, 104.139}, {347.56, 106.771});
426  if (closed) {
427  builder.Close();
428  }
429  return builder.TakePath();
430 }
431 
432 } // namespace
433 } // namespace impeller
impeller::ImpellerBenchmarkAccessor::GenerateSolidStrokeVertices
static std::vector< Point > GenerateSolidStrokeVertices(Tessellator &tessellator, const PathSource &path, const StrokeParameters &stroke, Scalar scale)
Definition: geometry_benchmarks.cc:16
impeller::Tessellator
A utility that generates triangles of the specified fill type given a polyline. This happens on the C...
Definition: tessellator.h:37
impeller::Tessellator::TessellateConvexInternal
static void TessellateConvexInternal(const PathSource &path, std::vector< Point > &point_buffer, std::vector< uint16_t > &index_buffer, Scalar tolerance)
Definition: tessellator.cc:399
impeller::TessellatorLibtess
An extended tessellator that offers arbitrary/concave tessellation via the libtess2 library.
Definition: tessellator_libtess.h:29
impeller::Scalar
float Scalar
Definition: scalar.h:19
impeller::tess
static TessellatorLibtess tess
Definition: geometry_benchmarks.cc:38
impeller::MAKE_STROKE_PATH_BENCHMARK_CAPTURE
MAKE_STROKE_PATH_BENCHMARK_CAPTURE(RRect, Butt, Bevel,)
impeller::BM_StrokePath
static void BM_StrokePath(benchmark::State &state, Args &&... args)
Definition: geometry_benchmarks.cc:41
impeller::MAKE_STROKE_BENCHMARK_CAPTURE_ALL_CAPS_JOINS
MAKE_STROKE_BENCHMARK_CAPTURE_ALL_CAPS_JOINS(Cubic, false)
impeller::BM_Convex
static void BM_Convex(benchmark::State &state, Args &&... args)
Definition: geometry_benchmarks.cc:68
impeller::DlPath
flutter::DlPath DlPath
Definition: dl_dispatcher.h:29
impeller::BENCHMARK_CAPTURE
BENCHMARK_CAPTURE(BM_Convex, rrect_convex, CreateRRect(), true)
impeller::LineTo
void LineTo(PathBuilder *builder, Scalar x, Scalar y)
Definition: tessellator.cc:24
stroke_path_geometry.h
impeller::RoundRect::MakeRectXY
static RoundRect MakeRectXY(const Rect &rect, Scalar x_radius, Scalar y_radius)
Definition: round_rect.h:31
impeller::RoundSuperellipse::MakeRectXY
static RoundSuperellipse MakeRectXY(const Rect &rect, Scalar x_radius, Scalar y_radius)
Definition: round_superellipse.h:34
impeller::StrokeParameters
A structure to store all of the parameters related to stroking a path or basic geometry object.
Definition: stroke_parameters.h:28
impeller::TRect< Scalar >::MakeLTRB
constexpr static TRect MakeLTRB(Type left, Type top, Type right, Type bottom)
Definition: rect.h:129
points
std::vector< Point > points
Definition: tessellator_libtess.cc:76
tessellator_libtess.h