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1 /* | 1 /* |
2 * Copyright 2007 The Android Open Source Project | 2 * Copyright 2007 The Android Open Source Project |
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 | 8 |
9 #include "SkPictureFlat.h" | 9 #include "SkPictureFlat.h" |
10 #include "SkPictureData.h" | 10 #include "SkPictureData.h" |
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232 if (record.visit<bool>(i, text)) { | 232 if (record.visit<bool>(i, text)) { |
233 fHasText = true; | 233 fHasText = true; |
234 break; | 234 break; |
235 } | 235 } |
236 } | 236 } |
237 } | 237 } |
238 | 238 |
239 bool SkPicture::Analysis::suitableForGpuRasterization(const char** reason, | 239 bool SkPicture::Analysis::suitableForGpuRasterization(const char** reason, |
240 int sampleCount) const { | 240 int sampleCount) const { |
241 // TODO: the heuristic used here needs to be refined | 241 // TODO: the heuristic used here needs to be refined |
242 static const int kNumPaintWithPathEffectsUsesTol = 1; | 242 static const int kNumSlowPathsTol = 6; |
243 static const int kNumAAConcavePathsTol = 5; | |
244 | 243 |
245 int numNonDashedPathEffects = fNumPaintWithPathEffectUses - | 244 int numSlowPathDashedPaths = fNumPaintWithPathEffectUses; |
246 fNumFastPathDashEffects; | 245 if (0 == sampleCount) { |
247 bool suitableForDash = (0 == fNumPaintWithPathEffectUses) || | 246 // The fast dashing path only works when MSAA is disabled |
248 (numNonDashedPathEffects < kNumPaintWithPathEffectsUs
esTol | 247 numSlowPathDashedPaths -= fNumFastPathDashEffects; |
249 && 0 == sampleCount); | 248 } |
250 | 249 |
251 bool ret = suitableForDash && | 250 int numSlowPaths = fNumAAConcavePaths - |
252 (fNumAAConcavePaths - fNumAAHairlineConcavePaths - fNumAADFEligib
leConcavePaths) | 251 fNumAAHairlineConcavePaths - |
253 < kNumAAConcavePathsTol; | 252 fNumAADFEligibleConcavePaths; |
| 253 |
| 254 bool ret = numSlowPathDashedPaths + numSlowPaths < kNumSlowPathsTol; |
254 | 255 |
255 if (!ret && reason) { | 256 if (!ret && reason) { |
256 if (!suitableForDash) { | 257 *reason = "Too many slow paths (either concave or dashed)."; |
257 if (0 != sampleCount) { | |
258 *reason = "Can't use multisample on dash effect."; | |
259 } else { | |
260 *reason = "Too many non dashed path effects."; | |
261 } | |
262 } else if ((fNumAAConcavePaths - fNumAAHairlineConcavePaths - fNumAADFEl
igibleConcavePaths) | |
263 >= kNumAAConcavePathsTol) | |
264 *reason = "Too many anti-aliased concave paths."; | |
265 else | |
266 *reason = "Unknown reason for GPU unsuitability."; | |
267 } | 258 } |
268 return ret; | 259 return ret; |
269 } | 260 } |
270 | 261 |
271 /////////////////////////////////////////////////////////////////////////////// | 262 /////////////////////////////////////////////////////////////////////////////// |
272 | 263 |
273 int SkPicture::drawableCount() const { | 264 int SkPicture::drawableCount() const { |
274 return fDrawablePicts.get() ? fDrawablePicts->count() : 0; | 265 return fDrawablePicts.get() ? fDrawablePicts->count() : 0; |
275 } | 266 } |
276 | 267 |
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497 | 488 |
498 SkPicture::SkPicture(const SkRect& cullRect, SkRecord* record, SnapshotArray* dr
awablePicts, | 489 SkPicture::SkPicture(const SkRect& cullRect, SkRecord* record, SnapshotArray* dr
awablePicts, |
499 SkBBoxHierarchy* bbh) | 490 SkBBoxHierarchy* bbh) |
500 : fUniqueID(next_picture_generation_id()) | 491 : fUniqueID(next_picture_generation_id()) |
501 , fCullRect(cullRect) | 492 , fCullRect(cullRect) |
502 , fRecord(SkRef(record)) | 493 , fRecord(SkRef(record)) |
503 , fBBH(SkSafeRef(bbh)) | 494 , fBBH(SkSafeRef(bbh)) |
504 , fDrawablePicts(drawablePicts) // take ownership | 495 , fDrawablePicts(drawablePicts) // take ownership |
505 , fAnalysis(*fRecord) | 496 , fAnalysis(*fRecord) |
506 {} | 497 {} |
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