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| 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 #if SK_SUPPORT_GPU |
| 9 #include "GrContextFactory.h" |
| 10 #include "GrTessellatingPathRenderer.h" |
| 11 #include "GrTest.h" |
| 12 #include "Test.h" |
| 13 |
| 14 /* |
| 15 * These tests pass by not crashing, hanging or asserting in Debug. |
| 16 */ |
| 17 |
| 18 // Tests active edges made inactive by splitting. |
| 19 // Also tests active edge list forced into an invalid ordering by |
| 20 // splitting (mopped up in cleanup_active_edges()). |
| 21 static SkPath create_path_0() { |
| 22 SkPath path; |
| 23 path.moveTo(229.127044677734375f, 67.34100341796875f); |
| 24 path.lineTo(187.8097381591796875f, -6.7729740142822265625f); |
| 25 path.lineTo(171.411407470703125f, 50.94266510009765625f); |
| 26 path.lineTo(245.5253753662109375f, 9.6253643035888671875f); |
| 27 path.moveTo(208.4683990478515625f, 30.284009933471679688f); |
| 28 path.lineTo(171.411407470703125f, 50.94266510009765625f); |
| 29 path.lineTo(187.8097381591796875f, -6.7729740142822265625f); |
| 30 return path; |
| 31 } |
| 32 |
| 33 // Intersections which fall exactly on the current vertex, and require |
| 34 // a restart of the intersection checking. |
| 35 static SkPath create_path_1() { |
| 36 SkPath path; |
| 37 path.moveTo(314.483551025390625f, 486.246002197265625f); |
| 38 path.lineTo(385.41949462890625f, 532.8087158203125f); |
| 39 path.lineTo(373.232879638671875f, 474.05938720703125f); |
| 40 path.lineTo(326.670166015625f, 544.995361328125f); |
| 41 path.moveTo(349.951507568359375f, 509.52734375f); |
| 42 path.lineTo(373.232879638671875f, 474.05938720703125f); |
| 43 path.lineTo(385.41949462890625f, 532.8087158203125f); |
| 44 return path; |
| 45 } |
| 46 |
| 47 // Tests active edges which are removed by splitting. |
| 48 static SkPath create_path_2() { |
| 49 SkPath path; |
| 50 path.moveTo(343.107391357421875f, 613.62176513671875f); |
| 51 path.lineTo(426.632415771484375f, 628.5740966796875f); |
| 52 path.lineTo(392.3460693359375f, 579.33544921875f); |
| 53 path.lineTo(377.39373779296875f, 662.86041259765625f); |
| 54 path.moveTo(384.869873046875f, 621.097900390625f); |
| 55 path.lineTo(392.3460693359375f, 579.33544921875f); |
| 56 path.lineTo(426.632415771484375f, 628.5740966796875f); |
| 57 return path; |
| 58 } |
| 59 |
| 60 // Collinear edges merged in set_top(). |
| 61 // Also, an intersection between left and right enclosing edges which |
| 62 // falls above the current vertex. |
| 63 static SkPath create_path_3() { |
| 64 SkPath path; |
| 65 path.moveTo(545.95751953125f, 791.69854736328125f); |
| 66 path.lineTo(612.05816650390625f, 738.494140625f); |
| 67 path.lineTo(552.4056396484375f, 732.0460205078125f); |
| 68 path.lineTo(605.61004638671875f, 798.14666748046875f); |
| 69 path.moveTo(579.00787353515625f, 765.0963134765625f); |
| 70 path.lineTo(552.4056396484375f, 732.0460205078125f); |
| 71 path.lineTo(612.05816650390625f, 738.494140625f); |
| 72 return path; |
| 73 } |
| 74 |
| 75 // Tests active edges which are made inactive by set_top(). |
| 76 static SkPath create_path_4() { |
| 77 SkPath path; |
| 78 path.moveTo(819.2725830078125f, 751.77447509765625f); |
| 79 path.lineTo(820.70904541015625f, 666.933837890625f); |
| 80 path.lineTo(777.57049560546875f, 708.63592529296875f); |
| 81 path.lineTo(862.4111328125f, 710.0723876953125f); |
| 82 path.moveTo(819.99078369140625f, 709.3541259765625f); |
| 83 path.lineTo(777.57049560546875f, 708.63592529296875f); |
| 84 path.lineTo(820.70904541015625f, 666.933837890625f); |
| 85 return path; |
| 86 } |
| 87 |
| 88 static SkPath create_path_5() { |
| 89 SkPath path; |
| 90 path.moveTo(823.33209228515625f, 749.052734375f); |
| 91 path.lineTo(823.494873046875f, 664.20013427734375f); |
| 92 path.lineTo(780.9871826171875f, 706.5450439453125f); |
| 93 path.lineTo(865.8397216796875f, 706.70782470703125f); |
| 94 path.moveTo(823.4134521484375f, 706.6263427734375f); |
| 95 path.lineTo(780.9871826171875f, 706.5450439453125f); |
| 96 path.lineTo(823.494873046875f, 664.20013427734375f); |
| 97 return path; |
| 98 } |
| 99 |
| 100 static SkPath create_path_6() { |
| 101 SkPath path; |
| 102 path.moveTo(954.862548828125f, 562.8349609375f); |
| 103 path.lineTo(899.32818603515625f, 498.679443359375f); |
| 104 path.lineTo(895.017578125f, 558.52435302734375f); |
| 105 path.lineTo(959.17315673828125f, 502.990081787109375f); |
| 106 path.moveTo(927.0953369140625f, 530.7572021484375f); |
| 107 path.lineTo(895.017578125f, 558.52435302734375f); |
| 108 path.lineTo(899.32818603515625f, 498.679443359375f); |
| 109 return path; |
| 110 } |
| 111 |
| 112 static SkPath create_path_7() { |
| 113 SkPath path; |
| 114 path.moveTo(958.5330810546875f, 547.35516357421875f); |
| 115 path.lineTo(899.93109130859375f, 485.989013671875f); |
| 116 path.lineTo(898.54901123046875f, 545.97308349609375f); |
| 117 path.lineTo(959.9151611328125f, 487.37109375f); |
| 118 path.moveTo(929.2320556640625f, 516.67205810546875f); |
| 119 path.lineTo(898.54901123046875f, 545.97308349609375f); |
| 120 path.lineTo(899.93109130859375f, 485.989013671875f); |
| 121 return path; |
| 122 } |
| 123 |
| 124 static SkPath create_path_8() { |
| 125 SkPath path; |
| 126 path.moveTo(389.8609619140625f, 369.326873779296875f); |
| 127 path.lineTo(470.6290283203125f, 395.33697509765625f); |
| 128 path.lineTo(443.250030517578125f, 341.9478759765625f); |
| 129 path.lineTo(417.239959716796875f, 422.7159423828125f); |
| 130 path.moveTo(430.244964599609375f, 382.3319091796875f); |
| 131 path.lineTo(443.250030517578125f, 341.9478759765625f); |
| 132 path.lineTo(470.6290283203125f, 395.33697509765625f); |
| 133 return path; |
| 134 } |
| 135 |
| 136 static SkPath create_path_9() { |
| 137 SkPath path; |
| 138 path.moveTo(20, 20); |
| 139 path.lineTo(50, 80); |
| 140 path.lineTo(20, 80); |
| 141 path.moveTo(80, 50); |
| 142 path.lineTo(50, 50); |
| 143 path.lineTo(20, 50); |
| 144 return path; |
| 145 } |
| 146 |
| 147 static SkPath create_path_10() { |
| 148 SkPath path; |
| 149 path.moveTo(257.19439697265625f, 320.876617431640625f); |
| 150 path.lineTo(190.113037109375f, 320.58978271484375f); |
| 151 path.lineTo(203.64404296875f, 293.8145751953125f); |
| 152 path.moveTo(203.357177734375f, 360.896026611328125f); |
| 153 path.lineTo(216.88824462890625f, 334.120819091796875f); |
| 154 path.lineTo(230.41925048828125f, 307.345611572265625f); |
| 155 return path; |
| 156 } |
| 157 |
| 158 // A degenerate segments case, where both upper and lower segments of |
| 159 // a split edge must remain active. |
| 160 static SkPath create_path_11() { |
| 161 SkPath path; |
| 162 path.moveTo(231.9331207275390625f, 306.2012939453125f); |
| 163 path.lineTo(191.4859161376953125f, 306.04547119140625f); |
| 164 path.lineTo(231.0659332275390625f, 300.2642822265625f); |
| 165 path.moveTo(189.946807861328125f, 302.072265625f); |
| 166 path.lineTo(179.79705810546875f, 294.859771728515625f); |
| 167 path.lineTo(191.0016021728515625f, 296.165679931640625f); |
| 168 path.moveTo(150.8942108154296875f, 304.900146484375f); |
| 169 path.lineTo(179.708892822265625f, 297.849029541015625f); |
| 170 path.lineTo(190.4742279052734375f, 299.11895751953125f); |
| 171 return path; |
| 172 } |
| 173 |
| 174 // Handle the case where edge.dist(edge.fTop) != 0.0. |
| 175 static SkPath create_path_12() { |
| 176 SkPath path; |
| 177 path.moveTo( 0.0f, 400.0f); |
| 178 path.lineTo( 138.0f, 202.0f); |
| 179 path.lineTo( 0.0f, 202.0f); |
| 180 path.moveTo( 12.62693023681640625f, 250.57464599609375f); |
| 181 path.lineTo( 8.13896942138671875f, 254.556884765625f); |
| 182 path.lineTo(-18.15641021728515625f, 220.40203857421875f); |
| 183 path.lineTo(-15.986493110656738281f, 219.6513519287109375f); |
| 184 path.moveTo( 36.931194305419921875f, 282.485504150390625f); |
| 185 path.lineTo( 15.617521286010742188f, 261.2901611328125f); |
| 186 path.lineTo( 10.3829498291015625f, 252.565765380859375f); |
| 187 path.lineTo(-16.165292739868164062f, 222.646026611328125f); |
| 188 return path; |
| 189 } |
| 190 |
| 191 // A degenerate segments case which exercises inactive edges being |
| 192 // made active by splitting. |
| 193 static SkPath create_path_13() { |
| 194 SkPath path; |
| 195 path.moveTo(690.62127685546875f, 509.25555419921875f); |
| 196 path.lineTo(99.336181640625f, 511.71405029296875f); |
| 197 path.lineTo(708.362548828125f, 512.4349365234375f); |
| 198 path.lineTo(729.9940185546875f, 516.3114013671875f); |
| 199 path.lineTo(738.708984375f, 518.76995849609375f); |
| 200 path.lineTo(678.3463134765625f, 510.0819091796875f); |
| 201 path.lineTo(681.21795654296875f, 504.81378173828125f); |
| 202 path.moveTo(758.52764892578125f, 521.55963134765625f); |
| 203 path.lineTo(719.1549072265625f, 514.50372314453125f); |
| 204 path.lineTo(689.59063720703125f, 512.0628662109375f); |
| 205 path.lineTo(679.78216552734375f, 507.447845458984375f); |
| 206 return path; |
| 207 } |
| 208 |
| 209 // Tests vertices which become "orphaned" (ie., no connected edges) |
| 210 // after simplification. |
| 211 static SkPath create_path_14() { |
| 212 SkPath path; |
| 213 path.moveTo(217.326019287109375f, 166.4752960205078125f); |
| 214 path.lineTo(226.279266357421875f, 170.929473876953125f); |
| 215 path.lineTo(234.3973388671875f, 177.0623626708984375f); |
| 216 path.lineTo(262.0921630859375f, 188.746124267578125f); |
| 217 path.moveTo(196.23638916015625f, 174.0722198486328125f); |
| 218 path.lineTo(416.15277099609375f, 180.138214111328125f); |
| 219 path.lineTo(192.651947021484375f, 304.0228271484375f); |
| 220 return path; |
| 221 } |
| 222 |
| 223 static void test_path(GrDrawTarget* dt, GrRenderTarget* rt, const SkPath& path)
{ |
| 224 GrTessellatingPathRenderer tess; |
| 225 GrPipelineBuilder pipelineBuilder; |
| 226 pipelineBuilder.setRenderTarget(rt); |
| 227 SkStrokeRec stroke(SkStrokeRec::kFill_InitStyle); |
| 228 tess.drawPath(dt, &pipelineBuilder, SK_ColorWHITE, SkMatrix::I(), path, stro
ke, false); |
| 229 } |
| 230 |
| 231 DEF_GPUTEST(TessellatingPathRendererTests, reporter, factory) { |
| 232 GrContext* context = factory->get(static_cast<GrContextFactory::GLContextTyp
e>(0)); |
| 233 GrSurfaceDesc desc; |
| 234 desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| 235 desc.fWidth = 800; |
| 236 desc.fHeight = 800; |
| 237 desc.fConfig = kSkia8888_GrPixelConfig; |
| 238 desc.fOrigin = kTopLeft_GrSurfaceOrigin; |
| 239 SkAutoTUnref<GrTexture> texture( |
| 240 context->refScratchTexture(desc, GrContext::kExact_ScratchTexMatch) |
| 241 ); |
| 242 GrTestTarget tt; |
| 243 context->getTestTarget(&tt); |
| 244 GrRenderTarget* rt = texture->asRenderTarget(); |
| 245 GrDrawTarget* dt = tt.target(); |
| 246 |
| 247 test_path(dt, rt, create_path_0()); |
| 248 test_path(dt, rt, create_path_1()); |
| 249 test_path(dt, rt, create_path_2()); |
| 250 test_path(dt, rt, create_path_3()); |
| 251 test_path(dt, rt, create_path_4()); |
| 252 test_path(dt, rt, create_path_5()); |
| 253 test_path(dt, rt, create_path_6()); |
| 254 test_path(dt, rt, create_path_7()); |
| 255 test_path(dt, rt, create_path_8()); |
| 256 test_path(dt, rt, create_path_9()); |
| 257 test_path(dt, rt, create_path_10()); |
| 258 test_path(dt, rt, create_path_11()); |
| 259 test_path(dt, rt, create_path_12()); |
| 260 test_path(dt, rt, create_path_13()); |
| 261 test_path(dt, rt, create_path_14()); |
| 262 } |
| 263 #endif |
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