1 /*
2 * Copyright 2015 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 "tests/Test.h"
9
10 #include "include/core/SkPath.h"
11 #include "include/effects/SkGradientShader.h"
12 #include "include/gpu/GrContext.h"
13 #include "src/gpu/GrClip.h"
14 #include "src/gpu/GrContextPriv.h"
15 #include "src/gpu/GrStyle.h"
16 #include "src/gpu/effects/GrPorterDuffXferProcessor.h"
17 #include "src/gpu/geometry/GrShape.h"
18 #include "src/gpu/ops/GrTessellatingPathRenderer.h"
19 #include "src/shaders/SkShaderBase.h"
20
21 /*
22 * These tests pass by not crashing, hanging or asserting in Debug.
23 */
24
25 // Tests active edges made inactive by splitting.
26 // Also tests active edge list forced into an invalid ordering by
27 // splitting (mopped up in cleanup_active_edges()).
create_path_0()28 static SkPath create_path_0() {
29 SkPath path;
30 path.moveTo(229.127044677734375f, 67.34100341796875f);
31 path.lineTo(187.8097381591796875f, -6.7729740142822265625f);
32 path.lineTo(171.411407470703125f, 50.94266510009765625f);
33 path.lineTo(245.5253753662109375f, 9.6253643035888671875f);
34 path.moveTo(208.4683990478515625f, 30.284009933471679688f);
35 path.lineTo(171.411407470703125f, 50.94266510009765625f);
36 path.lineTo(187.8097381591796875f, -6.7729740142822265625f);
37 return path;
38 }
39
40 // Intersections which fall exactly on the current vertex, and require
41 // a restart of the intersection checking.
create_path_1()42 static SkPath create_path_1() {
43 SkPath path;
44 path.moveTo(314.483551025390625f, 486.246002197265625f);
45 path.lineTo(385.41949462890625f, 532.8087158203125f);
46 path.lineTo(373.232879638671875f, 474.05938720703125f);
47 path.lineTo(326.670166015625f, 544.995361328125f);
48 path.moveTo(349.951507568359375f, 509.52734375f);
49 path.lineTo(373.232879638671875f, 474.05938720703125f);
50 path.lineTo(385.41949462890625f, 532.8087158203125f);
51 return path;
52 }
53
54 // Tests active edges which are removed by splitting.
create_path_2()55 static SkPath create_path_2() {
56 SkPath path;
57 path.moveTo(343.107391357421875f, 613.62176513671875f);
58 path.lineTo(426.632415771484375f, 628.5740966796875f);
59 path.lineTo(392.3460693359375f, 579.33544921875f);
60 path.lineTo(377.39373779296875f, 662.86041259765625f);
61 path.moveTo(384.869873046875f, 621.097900390625f);
62 path.lineTo(392.3460693359375f, 579.33544921875f);
63 path.lineTo(426.632415771484375f, 628.5740966796875f);
64 return path;
65 }
66
67 // Collinear edges merged in set_top().
68 // Also, an intersection between left and right enclosing edges which
69 // falls above the current vertex.
create_path_3()70 static SkPath create_path_3() {
71 SkPath path;
72 path.moveTo(545.95751953125f, 791.69854736328125f);
73 path.lineTo(612.05816650390625f, 738.494140625f);
74 path.lineTo(552.4056396484375f, 732.0460205078125f);
75 path.lineTo(605.61004638671875f, 798.14666748046875f);
76 path.moveTo(579.00787353515625f, 765.0963134765625f);
77 path.lineTo(552.4056396484375f, 732.0460205078125f);
78 path.lineTo(612.05816650390625f, 738.494140625f);
79 return path;
80 }
81
82 // Tests active edges which are made inactive by set_top().
create_path_4()83 static SkPath create_path_4() {
84 SkPath path;
85 path.moveTo(819.2725830078125f, 751.77447509765625f);
86 path.lineTo(820.70904541015625f, 666.933837890625f);
87 path.lineTo(777.57049560546875f, 708.63592529296875f);
88 path.lineTo(862.4111328125f, 710.0723876953125f);
89 path.moveTo(819.99078369140625f, 709.3541259765625f);
90 path.lineTo(777.57049560546875f, 708.63592529296875f);
91 path.lineTo(820.70904541015625f, 666.933837890625f);
92 return path;
93 }
94
create_path_5()95 static SkPath create_path_5() {
96 SkPath path;
97 path.moveTo(823.33209228515625f, 749.052734375f);
98 path.lineTo(823.494873046875f, 664.20013427734375f);
99 path.lineTo(780.9871826171875f, 706.5450439453125f);
100 path.lineTo(865.8397216796875f, 706.70782470703125f);
101 path.moveTo(823.4134521484375f, 706.6263427734375f);
102 path.lineTo(780.9871826171875f, 706.5450439453125f);
103 path.lineTo(823.494873046875f, 664.20013427734375f);
104 return path;
105 }
106
create_path_6()107 static SkPath create_path_6() {
108 SkPath path;
109 path.moveTo(954.862548828125f, 562.8349609375f);
110 path.lineTo(899.32818603515625f, 498.679443359375f);
111 path.lineTo(895.017578125f, 558.52435302734375f);
112 path.lineTo(959.17315673828125f, 502.990081787109375f);
113 path.moveTo(927.0953369140625f, 530.7572021484375f);
114 path.lineTo(895.017578125f, 558.52435302734375f);
115 path.lineTo(899.32818603515625f, 498.679443359375f);
116 return path;
117 }
118
create_path_7()119 static SkPath create_path_7() {
120 SkPath path;
121 path.moveTo(958.5330810546875f, 547.35516357421875f);
122 path.lineTo(899.93109130859375f, 485.989013671875f);
123 path.lineTo(898.54901123046875f, 545.97308349609375f);
124 path.lineTo(959.9151611328125f, 487.37109375f);
125 path.moveTo(929.2320556640625f, 516.67205810546875f);
126 path.lineTo(898.54901123046875f, 545.97308349609375f);
127 path.lineTo(899.93109130859375f, 485.989013671875f);
128 return path;
129 }
130
create_path_8()131 static SkPath create_path_8() {
132 SkPath path;
133 path.moveTo(389.8609619140625f, 369.326873779296875f);
134 path.lineTo(470.6290283203125f, 395.33697509765625f);
135 path.lineTo(443.250030517578125f, 341.9478759765625f);
136 path.lineTo(417.239959716796875f, 422.7159423828125f);
137 path.moveTo(430.244964599609375f, 382.3319091796875f);
138 path.lineTo(443.250030517578125f, 341.9478759765625f);
139 path.lineTo(470.6290283203125f, 395.33697509765625f);
140 return path;
141 }
142
create_path_9()143 static SkPath create_path_9() {
144 SkPath path;
145 path.moveTo(20, 20);
146 path.lineTo(50, 80);
147 path.lineTo(20, 80);
148 path.moveTo(80, 50);
149 path.lineTo(50, 50);
150 path.lineTo(20, 50);
151 return path;
152 }
153
create_path_10()154 static SkPath create_path_10() {
155 SkPath path;
156 path.moveTo(257.19439697265625f, 320.876617431640625f);
157 path.lineTo(190.113037109375f, 320.58978271484375f);
158 path.lineTo(203.64404296875f, 293.8145751953125f);
159 path.moveTo(203.357177734375f, 360.896026611328125f);
160 path.lineTo(216.88824462890625f, 334.120819091796875f);
161 path.lineTo(230.41925048828125f, 307.345611572265625f);
162 return path;
163 }
164
165 // A degenerate segments case, where both upper and lower segments of
166 // a split edge must remain active.
create_path_11()167 static SkPath create_path_11() {
168 SkPath path;
169 path.moveTo(231.9331207275390625f, 306.2012939453125f);
170 path.lineTo(191.4859161376953125f, 306.04547119140625f);
171 path.lineTo(231.0659332275390625f, 300.2642822265625f);
172 path.moveTo(189.946807861328125f, 302.072265625f);
173 path.lineTo(179.79705810546875f, 294.859771728515625f);
174 path.lineTo(191.0016021728515625f, 296.165679931640625f);
175 path.moveTo(150.8942108154296875f, 304.900146484375f);
176 path.lineTo(179.708892822265625f, 297.849029541015625f);
177 path.lineTo(190.4742279052734375f, 299.11895751953125f);
178 return path;
179 }
180
181 // Handle the case where edge.dist(edge.fTop) != 0.0.
create_path_12()182 static SkPath create_path_12() {
183 SkPath path;
184 path.moveTo( 0.0f, 400.0f);
185 path.lineTo( 138.0f, 202.0f);
186 path.lineTo( 0.0f, 202.0f);
187 path.moveTo( 12.62693023681640625f, 250.57464599609375f);
188 path.lineTo( 8.13896942138671875f, 254.556884765625f);
189 path.lineTo(-18.15641021728515625f, 220.40203857421875f);
190 path.lineTo(-15.986493110656738281f, 219.6513519287109375f);
191 path.moveTo( 36.931194305419921875f, 282.485504150390625f);
192 path.lineTo( 15.617521286010742188f, 261.2901611328125f);
193 path.lineTo( 10.3829498291015625f, 252.565765380859375f);
194 path.lineTo(-16.165292739868164062f, 222.646026611328125f);
195 return path;
196 }
197
198 // A degenerate segments case which exercises inactive edges being
199 // made active by splitting.
create_path_13()200 static SkPath create_path_13() {
201 SkPath path;
202 path.moveTo(690.62127685546875f, 509.25555419921875f);
203 path.lineTo(99.336181640625f, 511.71405029296875f);
204 path.lineTo(708.362548828125f, 512.4349365234375f);
205 path.lineTo(729.9940185546875f, 516.3114013671875f);
206 path.lineTo(738.708984375f, 518.76995849609375f);
207 path.lineTo(678.3463134765625f, 510.0819091796875f);
208 path.lineTo(681.21795654296875f, 504.81378173828125f);
209 path.moveTo(758.52764892578125f, 521.55963134765625f);
210 path.lineTo(719.1549072265625f, 514.50372314453125f);
211 path.lineTo(689.59063720703125f, 512.0628662109375f);
212 path.lineTo(679.78216552734375f, 507.447845458984375f);
213 return path;
214 }
215
216 // Tests vertices which become "orphaned" (ie., no connected edges)
217 // after simplification.
create_path_14()218 static SkPath create_path_14() {
219 SkPath path;
220 path.moveTo(217.326019287109375f, 166.4752960205078125f);
221 path.lineTo(226.279266357421875f, 170.929473876953125f);
222 path.lineTo(234.3973388671875f, 177.0623626708984375f);
223 path.lineTo(262.0921630859375f, 188.746124267578125f);
224 path.moveTo(196.23638916015625f, 174.0722198486328125f);
225 path.lineTo(416.15277099609375f, 180.138214111328125f);
226 path.lineTo(192.651947021484375f, 304.0228271484375f);
227 return path;
228 }
229
create_path_15()230 static SkPath create_path_15() {
231 SkPath path;
232 path.moveTo( 0.0f, 0.0f);
233 path.lineTo(10000.0f, 0.0f);
234 path.lineTo( 0.0f, -1.0f);
235 path.lineTo(10000.0f, 0.000001f);
236 path.lineTo( 0.0f, -30.0f);
237 return path;
238 }
239
240 // Reduction of Nebraska-StateSeal.svg. Floating point error causes the
241 // same edge to be added to more than one poly on the same side.
create_path_16()242 static SkPath create_path_16() {
243 SkPath path;
244 path.moveTo(170.8199920654296875, 491.86700439453125);
245 path.lineTo(173.7649993896484375, 489.7340087890625);
246 path.lineTo(174.1450958251953125, 498.545989990234375);
247 path.lineTo( 171.998992919921875, 500.88201904296875);
248 path.moveTo(168.2922515869140625, 498.66265869140625);
249 path.lineTo(169.8589935302734375, 497.94500732421875);
250 path.lineTo( 172, 500.88299560546875);
251 path.moveTo( 169.555267333984375, 490.70111083984375);
252 path.lineTo(173.7649993896484375, 489.7340087890625);
253 path.lineTo( 170.82000732421875, 491.86700439453125);
254 return path;
255 }
256
257 // A simple concave path. Test this with a non-invertible matrix.
create_path_17()258 static SkPath create_path_17() {
259 SkPath path;
260 path.moveTo(20, 20);
261 path.lineTo(80, 20);
262 path.lineTo(30, 30);
263 path.lineTo(20, 80);
264 return path;
265 }
266
267 // A shape with a vertex collinear to the right hand edge.
268 // This messes up find_enclosing_edges.
create_path_18()269 static SkPath create_path_18() {
270 SkPath path;
271 path.moveTo(80, 20);
272 path.lineTo(80, 60);
273 path.lineTo(20, 60);
274 path.moveTo(80, 50);
275 path.lineTo(80, 80);
276 path.lineTo(20, 80);
277 return path;
278 }
279
280 // Exercises the case where an edge becomes collinear with *two* of its
281 // adjacent neighbour edges after splitting.
282 // This is a reduction from
283 // http://mooooo.ooo/chebyshev-sine-approximation/horner_ulp.svg
create_path_19()284 static SkPath create_path_19() {
285 SkPath path;
286 path.moveTo( 351.99298095703125, 348.23046875);
287 path.lineTo( 351.91876220703125, 347.33984375);
288 path.lineTo( 351.91876220703125, 346.1953125);
289 path.lineTo( 351.90313720703125, 347.734375);
290 path.lineTo( 351.90313720703125, 346.1328125);
291 path.lineTo( 351.87579345703125, 347.93359375);
292 path.lineTo( 351.87579345703125, 345.484375);
293 path.lineTo( 351.86407470703125, 347.7890625);
294 path.lineTo( 351.86407470703125, 346.2109375);
295 path.lineTo( 351.84844970703125, 347.63763427734375);
296 path.lineTo( 351.84454345703125, 344.19232177734375);
297 path.lineTo( 351.78204345703125, 346.9483642578125);
298 path.lineTo( 351.758636474609375, 347.18310546875);
299 path.lineTo( 351.75469970703125, 346.75);
300 path.lineTo( 351.75469970703125, 345.46875);
301 path.lineTo( 352.5546875, 345.46875);
302 path.lineTo( 352.55078125, 347.01953125);
303 path.lineTo( 351.75079345703125, 347.02313232421875);
304 path.lineTo( 351.74688720703125, 346.15203857421875);
305 path.lineTo( 351.74688720703125, 347.646148681640625);
306 path.lineTo( 352.5390625, 346.94140625);
307 path.lineTo( 351.73907470703125, 346.94268798828125);
308 path.lineTo( 351.73516845703125, 344.48565673828125);
309 path.lineTo( 352.484375, 346.73828125);
310 path.lineTo( 351.68438720703125, 346.7401123046875);
311 path.lineTo( 352.4765625, 346.546875);
312 path.lineTo( 351.67657470703125, 346.54937744140625);
313 path.lineTo( 352.47265625, 346.75390625);
314 path.lineTo( 351.67266845703125, 346.756622314453125);
315 path.lineTo( 351.66876220703125, 345.612091064453125);
316 return path;
317 }
318
319 // An intersection above the first vertex in the mesh.
320 // Reduction from http://crbug.com/730687
create_path_20()321 static SkPath create_path_20() {
322 SkPath path;
323 path.moveTo( 2822128.5, 235.026336669921875);
324 path.lineTo( 2819349.25, 235.3623504638671875);
325 path.lineTo( -340558688, 23.83478546142578125);
326 path.lineTo( -340558752, 25.510419845581054688);
327 path.lineTo( -340558720, 27.18605804443359375);
328 return path;
329 }
330
331 // An intersection whose result is NaN (due to rounded-to-inf endpoint).
create_path_21()332 static SkPath create_path_21() {
333 SkPath path;
334 path.moveTo(1.7889142061167663539e+38, 39338463358011572224.0);
335 path.lineTo( 1647.4193115234375, -522.603515625);
336 path.lineTo( 1677.74560546875, -529.0028076171875);
337 path.lineTo( 1678.29541015625, -528.7847900390625);
338 path.lineTo( 1637.5167236328125, -519.79266357421875);
339 path.lineTo( 1647.4193115234375, -522.603515625);
340 return path;
341 }
342
343 // A path which contains out-of-range colinear intersections.
create_path_23()344 static SkPath create_path_23() {
345 SkPath path;
346 path.moveTo( 0, 63.39080047607421875);
347 path.lineTo(-0.70804601907730102539, 63.14350128173828125);
348 path.lineTo(-7.8608899287380243391e-17, 64.14080047607421875);
349 path.moveTo( 0, 64.14080047607421875);
350 path.lineTo(44.285900115966796875, 64.14080047607421875);
351 path.lineTo( 0, 62.64080047607421875);
352 path.moveTo(21.434900283813476562, -0.24732701480388641357);
353 path.lineTo(-0.70804601907730102539, 63.14350128173828125);
354 path.lineTo(0.70804601907730102539, 63.6381988525390625);
355 return path;
356 }
357
358 // A path which results in infs and nans when conics are converted to quads.
create_path_24()359 static SkPath create_path_24() {
360 SkPath path;
361 path.moveTo(-2.20883e+37f, -1.02892e+37f);
362 path.conicTo(-2.00958e+38f, -9.36107e+37f, -1.7887e+38f, -8.33215e+37f, 0.707107f);
363 path.conicTo(-1.56782e+38f, -7.30323e+37f, 2.20883e+37f, 1.02892e+37f, 0.707107f);
364 path.conicTo(2.00958e+38f, 9.36107e+37f, 1.7887e+38f, 8.33215e+37f, 0.707107f);
365 path.conicTo(1.56782e+38f, 7.30323e+37f, -2.20883e+37f, -1.02892e+37f, 0.707107f);
366 return path;
367 }
368
369 // An edge collapse event which also collapses a neighbour, requiring
370 // its event to be removed.
create_path_25()371 static SkPath create_path_25() {
372 SkPath path;
373 path.moveTo( 43.44110107421875, 148.15106201171875);
374 path.lineTo( 44.64471435546875, 148.16748046875);
375 path.lineTo( 46.35009765625, 147.403076171875);
376 path.lineTo( 46.45404052734375, 148.34906005859375);
377 path.lineTo( 45.0400390625, 148.54205322265625);
378 path.lineTo( 44.624053955078125, 148.9810791015625);
379 path.lineTo( 44.59405517578125, 149.16107177734375);
380 path.lineTo( 44.877044677734375, 149.62005615234375);
381 path.lineTo(144.373016357421875, 68.8070068359375);
382 return path;
383 }
384
385 // An edge collapse event causes an edge to become collinear, requiring
386 // its event to be removed.
create_path_26()387 static SkPath create_path_26() {
388 SkPath path;
389 path.moveTo( 43.44110107421875, 148.15106201171875);
390 path.lineTo( 44.64471435546875, 148.16748046875);
391 path.lineTo( 46.35009765625, 147.403076171875);
392 path.lineTo( 46.45404052734375, 148.34906005859375);
393 path.lineTo( 45.0400390625, 148.54205322265625);
394 path.lineTo( 44.624053955078125, 148.9810791015625);
395 path.lineTo( 44.59405517578125, 149.16107177734375);
396 path.lineTo( 44.877044677734375, 149.62005615234375);
397 path.lineTo(144.373016357421875, 68.8070068359375);
398 return path;
399 }
400
401 // A path which results in non-finite points when stroked and bevelled for AA.
create_path_27()402 static SkPath create_path_27() {
403 SkPath path;
404 path.moveTo(8.5027233009104409507e+37, 1.7503381025241130639e+37);
405 path.lineTo(7.0923661737711584874e+37, 1.4600074517285415699e+37);
406 path.lineTo(7.0848733446033294691e+37, 1.4584649744781838604e+37);
407 path.lineTo(-2.0473916115129349496e+37, -4.2146796450364162012e+36);
408 path.lineTo(2.0473912312177548811e+37, 4.2146815465123165435e+36);
409 return path;
410 }
411
412 // AA stroking this path produces intersection failures on bevelling.
413 // This should skip the point, but not assert.
create_path_28()414 static SkPath create_path_28() {
415 SkPath path;
416 path.moveTo(-7.5952312625177475154e+21, -2.6819185100266674911e+24);
417 path.lineTo( 1260.3787841796875, 1727.7947998046875);
418 path.lineTo( 1260.5567626953125, 1728.0386962890625);
419 path.lineTo(1.1482511310557754163e+21, 4.054538502765980051e+23);
420 path.lineTo(-7.5952312625177475154e+21, -2.6819185100266674911e+24);
421 return path;
422 }
423
424 // A quad which generates a huge number of points (>2B) when uniformly
425 // linearized. This should not hang or OOM.
create_path_29()426 static SkPath create_path_29() {
427 SkPath path;
428 path.moveTo(10, 0);
429 path.lineTo(0, 0);
430 path.quadTo(10, 0, 0, 8315084722602508288);
431 return path;
432 }
433
434 // A path which hangs during simplification. It produces an edge which is
435 // to the left of its own endpoints, which causes an infinte loop in the
436 // right-enclosing-edge splitting.
create_path_30()437 static SkPath create_path_30() {
438 SkPath path;
439 path.moveTo(0.75001740455627441406, 23.051967620849609375);
440 path.lineTo(5.8471612930297851562, 22.731662750244140625);
441 path.lineTo(10.749670028686523438, 22.253145217895507812);
442 path.lineTo(13.115868568420410156, 22.180681228637695312);
443 path.lineTo(15.418928146362304688, 22.340015411376953125);
444 path.lineTo( 17.654022216796875, 22.82159423828125);
445 path.lineTo(19.81632232666015625, 23.715869903564453125);
446 path.lineTo(40, 0);
447 path.lineTo(5.5635203441547955577e-15, 0);
448 path.lineTo(5.5635203441547955577e-15, 47);
449 path.lineTo(-1.4210854715202003717e-14, 21.713298797607421875);
450 path.lineTo(0.75001740455627441406, 21.694292068481445312);
451 path.lineTo(0.75001740455627441406, 23.051967620849609375);
452 return path;
453 }
454
455 // A path with vertices which become infinite on AA stroking. Should not crash or assert.
create_path_31()456 static SkPath create_path_31() {
457 SkPath path;
458 path.moveTo(2.0257809259190991347e+36, -1244080640);
459 path.conicTo(2.0257809259190991347e+36, -1244080640,
460 2.0257809259190991347e+36, 0.10976474732160568237, 0.70710676908493041992);
461 path.lineTo(-10036566016, -1954718402215936);
462 path.conicTo(-1.1375507718551896064e+20, -1954721086570496,
463 10036566016, -1954721086570496, 0.70710676908493041992);
464 return path;
465 }
466
467 // Reduction from skbug.com/7911 that causes a crash due to splitting a
468 // zombie edge.
create_path_32()469 static SkPath create_path_32() {
470 SkPath path;
471 path.moveTo( 0, 1.0927740941146660348e+24);
472 path.lineTo(2.9333931225865729333e+32, 16476101);
473 path.lineTo(1.0927731573659435417e+24, 1.0927740941146660348e+24);
474 path.lineTo(1.0927740941146660348e+24, 3.7616281094287041715e-37);
475 path.lineTo(1.0927740941146660348e+24, 1.0927740941146660348e+24);
476 path.lineTo(1.3061803026169399536e-33, 1.0927740941146660348e+24);
477 path.lineTo(4.7195362919941370727e-16, -8.4247545146051822591e+32);
478 return path;
479 }
480
481 // From crbug.com/844873. Crashes trying to merge a zombie edge.
create_path_33()482 static SkPath create_path_33() {
483 SkPath path;
484 path.moveTo( 316.000579833984375, -4338355948977389568);
485 path.lineTo(1.5069369808623501312e+20, 75180972320904708096.0);
486 path.lineTo(1.5069369808623501312e+20, 75180972320904708096.0);
487 path.lineTo( 771.21014404296875, -4338355948977389568.0);
488 path.lineTo( 316.000579833984375, -4338355948977389568.0);
489 path.moveTo( 354.208984375, -4338355948977389568.0);
490 path.lineTo( 773.00177001953125, -4338355948977389568.0);
491 path.lineTo(1.5069369808623501312e+20, 75180972320904708096.0);
492 path.lineTo(1.5069369808623501312e+20, 75180972320904708096.0);
493 path.lineTo( 354.208984375, -4338355948977389568.0);
494 return path;
495 }
496
497 // From crbug.com/844873. Hangs repeatedly splitting alternate vertices.
create_path_34()498 static SkPath create_path_34() {
499 SkPath path;
500 path.moveTo(10, -1e+20f);
501 path.lineTo(11, 25000);
502 path.lineTo(10, 25000);
503 path.lineTo(11, 25010);
504 return path;
505 }
506
507 // Reduction from circular_arcs_stroke_and_fill_round GM which
508 // repeatedly splits on the opposite edge from case 34 above.
create_path_35()509 static SkPath create_path_35() {
510 SkPath path;
511 path.moveTo( 16.25, 26.495191574096679688);
512 path.lineTo(32.420825958251953125, 37.377376556396484375);
513 path.lineTo(25.176382064819335938, 39.31851959228515625);
514 path.moveTo( 20, 20);
515 path.lineTo(28.847436904907226562, 37.940830230712890625);
516 path.lineTo(25.17638397216796875, 39.31851959228515625);
517 return path;
518 }
519
520 // Reduction from crbug.com/843135 where an intersection is found
521 // below the bottom of both intersected edges.
create_path_36()522 static SkPath create_path_36() {
523 SkPath path;
524 path.moveTo(-2791476679359332352, 2608107002026524672);
525 path.lineTo( 0, 11.95427703857421875);
526 path.lineTo(-2781824066779086848, 2599088532777598976);
527 path.lineTo( -7772.6875, 7274);
528 return path;
529 }
530
531 // Reduction from crbug.com/843135. Exercises a case where an intersection is missed.
532 // This causes bad ordering in the active edge list.
create_path_37()533 static SkPath create_path_37() {
534 SkPath path;
535 path.moveTo(-1.0662557646016024569e+23, 9.9621425197286319718e+22);
536 path.lineTo( -121806400, 113805032);
537 path.lineTo( -120098872, 112209680);
538 path.lineTo( 6.2832999862817380468e-36, 2.9885697364807128906);
539 return path;
540 }
541
542 // Reduction from crbug.com/851914.
create_path_38()543 static SkPath create_path_38() {
544 SkPath path;
545 path.moveTo(14.400531768798828125, 17.711114883422851562);
546 path.lineTo(14.621990203857421875, 171563104293879808);
547 path.lineTo(14.027951240539550781, 872585759381520384);
548 path.lineTo( 14.0216827392578125, 872665817571917824);
549 path.lineTo(7.699314117431640625, -3417320793833472);
550 path.moveTo(11.606547355651855469, 17.40966796875);
551 path.lineTo( 7642114886926860288, 21.08358001708984375);
552 path.lineTo(11.606547355651855469, 21.08358001708984375);
553 return path;
554 }
555
556 // Reduction from crbug.com/851409. Exercises collinear last vertex.
create_path_39()557 static SkPath create_path_39() {
558 SkPath path;
559 path.moveTo(2072553216, 0);
560 path.lineTo(2072553216, 1);
561 path.lineTo(2072553472, -13.5);
562 path.lineTo(2072553216, 0);
563 path.lineTo(2072553472, -6.5);
564 return path;
565 }
566
567 // Another reduction from crbug.com/851409. Exercises two sequential collinear edges.
create_path_40()568 static SkPath create_path_40() {
569 SkPath path;
570 path.moveTo(2072553216, 0);
571 path.lineTo(2072553216, 1);
572 path.lineTo(2072553472, -13);
573 path.lineTo(2072553216, 0);
574 path.lineTo(2072553472, -6);
575 path.lineTo(2072553472, -13);
576 return path;
577 }
578
579 // Reduction from crbug.com/860453. Tests a case where a "missing" intersection
580 // requires the active edge list to go out-of-order.
create_path_41()581 static SkPath create_path_41() {
582 SkPath path;
583 path.moveTo(72154931603311689728.0, 330.95965576171875);
584 path.lineTo(24053266013925408768.0, 78.11376953125);
585 path.lineTo(1.2031099003292404941e+20, 387.168731689453125);
586 path.lineTo(68859835992355373056.0, 346.55047607421875);
587 path.lineTo(76451708695451009024.0, 337.780029296875);
588 path.moveTo(-20815817797613387776.0, 18065700622522384384.0);
589 path.lineTo(-72144121204987396096.0, 142.855804443359375);
590 path.lineTo(72144121204987396096.0, 325.184783935546875);
591 path.lineTo(1.2347242901040791552e+20, 18065700622522384384.0);
592 return path;
593 }
594
595 // Reduction from crbug.com/860655. Cause is three collinear edges discovered during
596 // sanitize_contours pass, before the vertices have been found coincident.
create_path_42()597 static SkPath create_path_42() {
598 SkPath path;
599 path.moveTo( 32572426382475264, -3053391034974208);
600 path.lineTo( 521289856, -48865776);
601 path.lineTo( 130322464, -12215873);
602 path.moveTo( 32572426382475264, -3053391034974208);
603 path.lineTo( 521289856, -48865776);
604 path.lineTo( 130322464, -12215873);
605 path.moveTo( 32572426382475264, -3053391034974208);
606 path.lineTo( 32114477642022912, -3010462031544320);
607 path.lineTo( 32111784697528320, -3010209702215680);
608 return path;
609 }
610
611 // Reduction from crbug.com/866319. Cause is edges that are collinear when tested from
612 // one side, but non-collinear when tested from the other.
create_path_43()613 static SkPath create_path_43() {
614 SkPath path;
615 path.moveTo( 307316821852160, -28808363114496);
616 path.lineTo( 307165222928384, -28794154909696);
617 path.lineTo( 307013691113472, -28779948802048);
618 path.lineTo( 306862159298560, -28765744791552);
619 path.lineTo( 306870313025536, -28766508154880);
620 path.lineTo( 307049695019008, -28783327313920);
621 path.lineTo( 307408660332544, -28816974020608);
622 return path;
623 }
624
625 // Reduction from crbug.com/966696
create_path_44()626 static SkPath create_path_44() {
627 SkPath path;
628 path.moveTo(114.4606170654296875, 186.443878173828125);
629 path.lineTo( 91.5394744873046875, 185.4189453125);
630 path.lineTo(306.45538330078125, 3203.986083984375);
631 path.moveTo(16276206965409972224.0, 815.59393310546875);
632 path.lineTo(-3.541605062372533207e+20, 487.7236328125);
633 path.lineTo(-3.541605062372533207e+20, 168.204071044921875);
634 path.lineTo(16276206965409972224.0, 496.07427978515625);
635 path.moveTo(-3.541605062372533207e+20, 167.00958251953125);
636 path.lineTo(-3.541605062372533207e+20, 488.32086181640625);
637 path.lineTo(16276206965409972224.0, 816.78839111328125);
638 path.lineTo(16276206965409972224.0, 495.47705078125);
639 return path;
640 }
641
642 // Reduction from crbug.com/966274.
create_path_45()643 static SkPath create_path_45() {
644 SkPath path;
645 path.moveTo( 706471854080, 379003666432);
646 path.lineTo( 706503180288, 379020443648);
647 path.lineTo( 706595717120, 379070087168);
648 path.lineTo( 706626060288, 379086372864);
649 path.lineTo( 706656141312, 379102527488);
650 path.lineTo( 706774171648, 379165835264);
651 path.lineTo( 706803073024, 379181334528);
652 path.lineTo( 706831712256, 379196702720);
653 path.lineTo( 706860154880, 379211939840);
654 path.lineTo( 706888335360, 379227078656);
655 path.lineTo( 706916253696, 379242053632);
656 path.lineTo( 706956820480, 379263811584);
657 path.lineTo( 706929098752, 379248934912);
658 path.lineTo( 706901114880, 379233927168);
659 path.lineTo( 706872934400, 379218821120);
660 path.lineTo( 706844491776, 379203551232);
661 path.lineTo( 706815787008, 379188183040);
662 path.lineTo( 706786885632, 379172651008);
663 path.lineTo( 706757722112, 379156987904);
664 path.lineTo( 706728296448, 379141226496);
665 path.lineTo( 706698608640, 379125301248);
666 path.lineTo( 706668724224, 379109244928);
667 path.lineTo( 706638577664, 379093090304);
668 path.lineTo( 706608168960, 379076771840);
669 path.lineTo( 706484174848, 379010252800);
670 return path;
671 }
672
673 // Reduction from crbug.com/969359. Inf generated by intersections
674 // causes NaN in subsequent intersections, leading to assert or hang.
675
create_path_46()676 static SkPath create_path_46() {
677 SkPath path;
678 path.moveTo(1.0321827899075254821e+37, -5.1199920965387697886e+37);
679 path.lineTo(-1.0321827899075254821e+37, 5.1199920965387697886e+37);
680 path.lineTo(-1.0425214946728668754e+37, 4.5731834042267216669e+37);
681 path.moveTo(-9.5077331762291841872e+36, 8.1304868292377430302e+37);
682 path.lineTo(9.5077331762291841872e+36, -8.1304868292377430302e+37);
683 path.lineTo(1.0795449417808426232e+37, 1.2246856113744539311e+37);
684 path.moveTo(-165.8018341064453125, -44.859375);
685 path.lineTo(-9.558702871563160835e+36, -7.9814405281448285475e+37);
686 path.lineTo(-9.4147814283168490381e+36, -8.3935116522790983488e+37);
687 return path;
688 }
689
create_linear_gradient_processor(GrContext * ctx)690 static std::unique_ptr<GrFragmentProcessor> create_linear_gradient_processor(GrContext* ctx) {
691
692 SkPoint pts[2] = { {0, 0}, {1, 1} };
693 SkColor colors[2] = { SK_ColorGREEN, SK_ColorBLUE };
694 sk_sp<SkShader> shader = SkGradientShader::MakeLinear(
695 pts, colors, nullptr, SK_ARRAY_COUNT(colors), SkTileMode::kClamp);
696 GrColorSpaceInfo colorSpaceInfo(GrColorType::kRGBA_8888, kPremul_SkAlphaType, nullptr);
697 GrFPArgs args(ctx, &SkMatrix::I(), SkFilterQuality::kLow_SkFilterQuality, &colorSpaceInfo);
698 return as_SB(shader)->asFragmentProcessor(args);
699 }
700
test_path(GrContext * ctx,GrRenderTargetContext * renderTargetContext,const SkPath & path,const SkMatrix & matrix=SkMatrix::I (),GrAAType aaType=GrAAType::kNone,std::unique_ptr<GrFragmentProcessor> fp=nullptr)701 static void test_path(GrContext* ctx,
702 GrRenderTargetContext* renderTargetContext,
703 const SkPath& path,
704 const SkMatrix& matrix = SkMatrix::I(),
705 GrAAType aaType = GrAAType::kNone,
706 std::unique_ptr<GrFragmentProcessor> fp = nullptr) {
707 GrTessellatingPathRenderer tess;
708 tess.setMaxVerbCount(100);
709
710 GrPaint paint;
711 paint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc));
712 if (fp) {
713 paint.addColorFragmentProcessor(std::move(fp));
714 }
715
716 GrNoClip noClip;
717 SkIRect clipConservativeBounds = SkIRect::MakeWH(renderTargetContext->width(),
718 renderTargetContext->height());
719 GrStyle style(SkStrokeRec::kFill_InitStyle);
720 GrShape shape(path, style);
721 GrPathRenderer::DrawPathArgs args{ctx,
722 std::move(paint),
723 &GrUserStencilSettings::kUnused,
724 renderTargetContext,
725 &noClip,
726 &clipConservativeBounds,
727 &matrix,
728 &shape,
729 aaType,
730 false};
731 tess.drawPath(args);
732 }
733
DEF_GPUTEST_FOR_ALL_CONTEXTS(TessellatingPathRendererTests,reporter,ctxInfo)734 DEF_GPUTEST_FOR_ALL_CONTEXTS(TessellatingPathRendererTests, reporter, ctxInfo) {
735 GrContext* ctx = ctxInfo.grContext();
736 sk_sp<GrRenderTargetContext> rtc(ctx->priv().makeDeferredRenderTargetContext(
737 SkBackingFit::kApprox, 800, 800, GrColorType::kRGBA_8888, nullptr, 1, GrMipMapped::kNo,
738 kTopLeft_GrSurfaceOrigin));
739 if (!rtc) {
740 return;
741 }
742
743 ctx->flush();
744 // Adding discard to appease vulkan validation warning about loading uninitialized data on draw
745 rtc->discard();
746
747 test_path(ctx, rtc.get(), create_path_0());
748 test_path(ctx, rtc.get(), create_path_1());
749 test_path(ctx, rtc.get(), create_path_2());
750 test_path(ctx, rtc.get(), create_path_3());
751 test_path(ctx, rtc.get(), create_path_4());
752 test_path(ctx, rtc.get(), create_path_5());
753 test_path(ctx, rtc.get(), create_path_6());
754 test_path(ctx, rtc.get(), create_path_7());
755 test_path(ctx, rtc.get(), create_path_8());
756 test_path(ctx, rtc.get(), create_path_9());
757 test_path(ctx, rtc.get(), create_path_10());
758 test_path(ctx, rtc.get(), create_path_11());
759 test_path(ctx, rtc.get(), create_path_12());
760 test_path(ctx, rtc.get(), create_path_13());
761 test_path(ctx, rtc.get(), create_path_14());
762 test_path(ctx, rtc.get(), create_path_15());
763 test_path(ctx, rtc.get(), create_path_16());
764 SkMatrix nonInvertibleMatrix = SkMatrix::MakeScale(0, 0);
765 std::unique_ptr<GrFragmentProcessor> fp(create_linear_gradient_processor(ctx));
766 test_path(ctx, rtc.get(), create_path_17(), nonInvertibleMatrix, GrAAType::kCoverage,
767 std::move(fp));
768 test_path(ctx, rtc.get(), create_path_18());
769 test_path(ctx, rtc.get(), create_path_19());
770 test_path(ctx, rtc.get(), create_path_20(), SkMatrix(), GrAAType::kCoverage);
771 test_path(ctx, rtc.get(), create_path_21(), SkMatrix(), GrAAType::kCoverage);
772 test_path(ctx, rtc.get(), create_path_23());
773 test_path(ctx, rtc.get(), create_path_24());
774 test_path(ctx, rtc.get(), create_path_25(), SkMatrix(), GrAAType::kCoverage);
775 test_path(ctx, rtc.get(), create_path_26(), SkMatrix(), GrAAType::kCoverage);
776 test_path(ctx, rtc.get(), create_path_27(), SkMatrix(), GrAAType::kCoverage);
777 test_path(ctx, rtc.get(), create_path_28(), SkMatrix(), GrAAType::kCoverage);
778 test_path(ctx, rtc.get(), create_path_29());
779 test_path(ctx, rtc.get(), create_path_30());
780 test_path(ctx, rtc.get(), create_path_31(), SkMatrix(), GrAAType::kCoverage);
781 test_path(ctx, rtc.get(), create_path_32());
782 test_path(ctx, rtc.get(), create_path_33());
783 test_path(ctx, rtc.get(), create_path_34());
784 test_path(ctx, rtc.get(), create_path_35());
785 test_path(ctx, rtc.get(), create_path_36());
786 test_path(ctx, rtc.get(), create_path_37());
787 test_path(ctx, rtc.get(), create_path_38(), SkMatrix(), GrAAType::kCoverage);
788 test_path(ctx, rtc.get(), create_path_39());
789 test_path(ctx, rtc.get(), create_path_40());
790 test_path(ctx, rtc.get(), create_path_41(), SkMatrix(), GrAAType::kCoverage);
791 test_path(ctx, rtc.get(), create_path_42());
792 test_path(ctx, rtc.get(), create_path_43(), SkMatrix(), GrAAType::kCoverage);
793 test_path(ctx, rtc.get(), create_path_44(), SkMatrix(), GrAAType::kCoverage);
794 test_path(ctx, rtc.get(), create_path_45(), SkMatrix(), GrAAType::kCoverage);
795 test_path(ctx, rtc.get(), create_path_46(), SkMatrix(), GrAAType::kCoverage);
796 }
797
