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| 1 // Copyright (c) 2013 The Chromium 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 "gpu/ipc/host/shader_disk_cache.h" | |
| 6 | |
| 7 #include "base/macros.h" | |
| 8 #include "base/memory/ptr_util.h" | |
| 9 #include "base/single_thread_task_runner.h" | |
| 10 #include "base/threading/thread_checker.h" | |
| 11 #include "gpu/command_buffer/common/constants.h" | |
| 12 #include "net/base/cache_type.h" | |
| 13 #include "net/base/io_buffer.h" | |
| 14 #include "net/base/net_errors.h" | |
| 15 | |
| 16 namespace gpu { | |
| 17 | |
| 18 namespace { | |
| 19 | |
| 20 static const base::FilePath::CharType kGpuCachePath[] = | |
| 21 FILE_PATH_LITERAL("GPUCache"); | |
| 22 | |
| 23 static ShaderCacheFactory* factory_instance = nullptr; | |
| 24 | |
| 25 } // namespace | |
| 26 | |
| 27 // ShaderDiskCacheEntry handles the work of caching/updating the cached | |
| 28 // shaders. | |
| 29 class ShaderDiskCacheEntry : public base::ThreadChecker { | |
| 30 public: | |
| 31 ShaderDiskCacheEntry(ShaderDiskCache* cache, | |
| 32 const std::string& key, | |
| 33 const std::string& shader); | |
| 34 ~ShaderDiskCacheEntry(); | |
| 35 | |
| 36 void Cache(); | |
| 37 | |
| 38 private: | |
| 39 enum OpType { | |
| 40 OPEN_ENTRY, | |
| 41 WRITE_DATA, | |
| 42 CREATE_ENTRY, | |
| 43 }; | |
| 44 | |
| 45 void OnOpComplete(int rv); | |
| 46 | |
| 47 int OpenCallback(int rv); | |
| 48 int WriteCallback(int rv); | |
| 49 int IOComplete(int rv); | |
| 50 | |
| 51 ShaderDiskCache* cache_; | |
| 52 OpType op_type_; | |
| 53 std::string key_; | |
| 54 std::string shader_; | |
| 55 disk_cache::Entry* entry_; | |
| 56 base::WeakPtr<ShaderDiskCacheEntry> weak_ptr_; | |
| 57 base::WeakPtrFactory<ShaderDiskCacheEntry> weak_ptr_factory_; | |
| 58 | |
| 59 DISALLOW_COPY_AND_ASSIGN(ShaderDiskCacheEntry); | |
| 60 }; | |
| 61 | |
| 62 // ShaderDiskReadHelper is used to load all of the cached shaders from the | |
| 63 // disk cache and send to the memory cache. | |
| 64 class ShaderDiskReadHelper : public base::ThreadChecker { | |
| 65 public: | |
| 66 using ShaderLoadedCallback = ShaderDiskCache::ShaderLoadedCallback; | |
| 67 ShaderDiskReadHelper(ShaderDiskCache* cache, | |
| 68 const ShaderLoadedCallback& callback); | |
| 69 ~ShaderDiskReadHelper(); | |
| 70 | |
| 71 void LoadCache(); | |
| 72 | |
| 73 private: | |
| 74 enum OpType { | |
| 75 TERMINATE, | |
| 76 OPEN_NEXT, | |
| 77 OPEN_NEXT_COMPLETE, | |
| 78 READ_COMPLETE, | |
| 79 ITERATION_FINISHED | |
| 80 }; | |
| 81 | |
| 82 void OnOpComplete(int rv); | |
| 83 | |
| 84 int OpenNextEntry(); | |
| 85 int OpenNextEntryComplete(int rv); | |
| 86 int ReadComplete(int rv); | |
| 87 int IterationComplete(int rv); | |
| 88 | |
| 89 ShaderDiskCache* cache_; | |
| 90 ShaderLoadedCallback shader_loaded_callback_; | |
| 91 OpType op_type_; | |
| 92 std::unique_ptr<disk_cache::Backend::Iterator> iter_; | |
| 93 scoped_refptr<net::IOBufferWithSize> buf_; | |
| 94 disk_cache::Entry* entry_; | |
| 95 base::WeakPtrFactory<ShaderDiskReadHelper> weak_ptr_factory_; | |
| 96 | |
| 97 DISALLOW_COPY_AND_ASSIGN(ShaderDiskReadHelper); | |
| 98 }; | |
| 99 | |
| 100 class ShaderClearHelper : public base::ThreadChecker { | |
| 101 public: | |
| 102 ShaderClearHelper(scoped_refptr<ShaderDiskCache> cache, | |
| 103 const base::FilePath& path, | |
| 104 const base::Time& delete_begin, | |
| 105 const base::Time& delete_end, | |
| 106 const base::Closure& callback); | |
| 107 ~ShaderClearHelper(); | |
| 108 | |
| 109 void Clear(); | |
| 110 | |
| 111 private: | |
| 112 enum OpType { TERMINATE, VERIFY_CACHE_SETUP, DELETE_CACHE }; | |
| 113 | |
| 114 void DoClearShaderCache(int rv); | |
| 115 | |
| 116 scoped_refptr<ShaderDiskCache> cache_; | |
| 117 OpType op_type_; | |
| 118 base::FilePath path_; | |
| 119 base::Time delete_begin_; | |
| 120 base::Time delete_end_; | |
| 121 base::Closure callback_; | |
| 122 base::WeakPtrFactory<ShaderClearHelper> weak_ptr_factory_; | |
| 123 | |
| 124 DISALLOW_COPY_AND_ASSIGN(ShaderClearHelper); | |
| 125 }; | |
| 126 | |
| 127 //////////////////////////////////////////////////////////////////////////////// | |
| 128 // ShaderDiskCacheEntry | |
| 129 | |
| 130 ShaderDiskCacheEntry::ShaderDiskCacheEntry(ShaderDiskCache* cache, | |
| 131 const std::string& key, | |
| 132 const std::string& shader) | |
| 133 : cache_(cache), | |
| 134 op_type_(OPEN_ENTRY), | |
| 135 key_(key), | |
| 136 shader_(shader), | |
| 137 entry_(nullptr), | |
| 138 weak_ptr_factory_(this) { | |
| 139 weak_ptr_ = weak_ptr_factory_.GetWeakPtr(); | |
| 140 } | |
| 141 | |
| 142 ShaderDiskCacheEntry::~ShaderDiskCacheEntry() { | |
| 143 DCHECK(CalledOnValidThread()); | |
| 144 if (entry_) | |
| 145 entry_->Close(); | |
| 146 } | |
| 147 | |
| 148 void ShaderDiskCacheEntry::Cache() { | |
| 149 DCHECK(CalledOnValidThread()); | |
| 150 int rv = cache_->backend()->OpenEntry( | |
| 151 key_, &entry_, base::Bind(&ShaderDiskCacheEntry::OnOpComplete, | |
| 152 weak_ptr_factory_.GetWeakPtr())); | |
| 153 if (rv != net::ERR_IO_PENDING) | |
| 154 OnOpComplete(rv); | |
| 155 } | |
| 156 | |
| 157 void ShaderDiskCacheEntry::OnOpComplete(int rv) { | |
| 158 DCHECK(CalledOnValidThread()); | |
| 159 // The function calls inside the switch block below can end up destroying | |
| 160 // |this|. So hold on to a WeakPtr<>, and terminate the while loop if |this| | |
| 161 // has been destroyed. | |
| 162 auto weak_ptr = std::move(weak_ptr_); | |
| 163 do { | |
| 164 switch (op_type_) { | |
| 165 case OPEN_ENTRY: | |
| 166 rv = OpenCallback(rv); | |
| 167 break; | |
| 168 case CREATE_ENTRY: | |
| 169 rv = WriteCallback(rv); | |
| 170 break; | |
| 171 case WRITE_DATA: | |
| 172 rv = IOComplete(rv); | |
| 173 break; | |
| 174 } | |
| 175 } while (rv != net::ERR_IO_PENDING && weak_ptr); | |
| 176 if (weak_ptr) | |
| 177 weak_ptr_ = std::move(weak_ptr); | |
| 178 } | |
| 179 | |
| 180 int ShaderDiskCacheEntry::OpenCallback(int rv) { | |
| 181 DCHECK(CalledOnValidThread()); | |
| 182 if (rv == net::OK) { | |
| 183 cache_->backend()->OnExternalCacheHit(key_); | |
| 184 cache_->EntryComplete(this); | |
| 185 return rv; | |
| 186 } | |
| 187 | |
| 188 op_type_ = CREATE_ENTRY; | |
| 189 return cache_->backend()->CreateEntry( | |
| 190 key_, &entry_, base::Bind(&ShaderDiskCacheEntry::OnOpComplete, | |
| 191 weak_ptr_factory_.GetWeakPtr())); | |
| 192 } | |
| 193 | |
| 194 int ShaderDiskCacheEntry::WriteCallback(int rv) { | |
| 195 DCHECK(CalledOnValidThread()); | |
| 196 if (rv != net::OK) { | |
| 197 LOG(ERROR) << "Failed to create shader cache entry: " << rv; | |
| 198 cache_->EntryComplete(this); | |
| 199 return rv; | |
| 200 } | |
| 201 | |
| 202 op_type_ = WRITE_DATA; | |
| 203 scoped_refptr<net::StringIOBuffer> io_buf = new net::StringIOBuffer(shader_); | |
| 204 return entry_->WriteData(1, 0, io_buf.get(), shader_.length(), | |
| 205 base::Bind(&ShaderDiskCacheEntry::OnOpComplete, | |
| 206 weak_ptr_factory_.GetWeakPtr()), | |
| 207 false); | |
| 208 } | |
| 209 | |
| 210 int ShaderDiskCacheEntry::IOComplete(int rv) { | |
| 211 DCHECK(CalledOnValidThread()); | |
| 212 cache_->EntryComplete(this); | |
| 213 return rv; | |
| 214 } | |
| 215 | |
| 216 //////////////////////////////////////////////////////////////////////////////// | |
| 217 // ShaderDiskReadHelper | |
| 218 | |
| 219 ShaderDiskReadHelper::ShaderDiskReadHelper(ShaderDiskCache* cache, | |
| 220 const ShaderLoadedCallback& callback) | |
| 221 : cache_(cache), | |
| 222 shader_loaded_callback_(callback), | |
| 223 op_type_(OPEN_NEXT), | |
| 224 buf_(NULL), | |
| 225 entry_(NULL), | |
| 226 weak_ptr_factory_(this) {} | |
| 227 | |
| 228 ShaderDiskReadHelper::~ShaderDiskReadHelper() { | |
| 229 DCHECK(CalledOnValidThread()); | |
| 230 if (entry_) | |
| 231 entry_->Close(); | |
| 232 iter_ = nullptr; | |
| 233 } | |
| 234 | |
| 235 void ShaderDiskReadHelper::LoadCache() { | |
| 236 DCHECK(CalledOnValidThread()); | |
| 237 OnOpComplete(net::OK); | |
| 238 } | |
| 239 | |
| 240 void ShaderDiskReadHelper::OnOpComplete(int rv) { | |
| 241 DCHECK(CalledOnValidThread()); | |
| 242 do { | |
| 243 switch (op_type_) { | |
| 244 case OPEN_NEXT: | |
| 245 rv = OpenNextEntry(); | |
| 246 break; | |
| 247 case OPEN_NEXT_COMPLETE: | |
| 248 rv = OpenNextEntryComplete(rv); | |
| 249 break; | |
| 250 case READ_COMPLETE: | |
| 251 rv = ReadComplete(rv); | |
| 252 break; | |
| 253 case ITERATION_FINISHED: | |
| 254 rv = IterationComplete(rv); | |
| 255 break; | |
| 256 case TERMINATE: | |
| 257 cache_->ReadComplete(); | |
| 258 rv = net::ERR_IO_PENDING; // break the loop | |
| 259 break; | |
| 260 } | |
| 261 } while (rv != net::ERR_IO_PENDING); | |
| 262 } | |
| 263 | |
| 264 int ShaderDiskReadHelper::OpenNextEntry() { | |
| 265 DCHECK(CalledOnValidThread()); | |
| 266 op_type_ = OPEN_NEXT_COMPLETE; | |
| 267 if (!iter_) | |
| 268 iter_ = cache_->backend()->CreateIterator(); | |
| 269 return iter_->OpenNextEntry(&entry_, | |
| 270 base::Bind(&ShaderDiskReadHelper::OnOpComplete, | |
| 271 weak_ptr_factory_.GetWeakPtr())); | |
| 272 } | |
| 273 | |
| 274 int ShaderDiskReadHelper::OpenNextEntryComplete(int rv) { | |
| 275 DCHECK(CalledOnValidThread()); | |
| 276 if (rv == net::ERR_FAILED) { | |
| 277 iter_.reset(); | |
| 278 op_type_ = ITERATION_FINISHED; | |
| 279 return net::OK; | |
| 280 } | |
| 281 | |
| 282 if (rv < 0) | |
| 283 return rv; | |
| 284 | |
| 285 op_type_ = READ_COMPLETE; | |
| 286 buf_ = new net::IOBufferWithSize(entry_->GetDataSize(1)); | |
| 287 return entry_->ReadData(1, 0, buf_.get(), buf_->size(), | |
| 288 base::Bind(&ShaderDiskReadHelper::OnOpComplete, | |
| 289 weak_ptr_factory_.GetWeakPtr())); | |
| 290 } | |
| 291 | |
| 292 int ShaderDiskReadHelper::ReadComplete(int rv) { | |
| 293 DCHECK(CalledOnValidThread()); | |
| 294 if (rv && rv == buf_->size() && !shader_loaded_callback_.is_null()) { | |
| 295 shader_loaded_callback_.Run(entry_->GetKey(), | |
| 296 std::string(buf_->data(), buf_->size())); | |
| 297 } | |
| 298 | |
| 299 buf_ = NULL; | |
| 300 entry_->Close(); | |
| 301 entry_ = NULL; | |
| 302 | |
| 303 op_type_ = OPEN_NEXT; | |
| 304 return net::OK; | |
| 305 } | |
| 306 | |
| 307 int ShaderDiskReadHelper::IterationComplete(int rv) { | |
| 308 DCHECK(CalledOnValidThread()); | |
| 309 iter_.reset(); | |
| 310 op_type_ = TERMINATE; | |
| 311 return net::OK; | |
| 312 } | |
| 313 | |
| 314 //////////////////////////////////////////////////////////////////////////////// | |
| 315 // ShaderClearHelper | |
| 316 | |
| 317 ShaderClearHelper::ShaderClearHelper(scoped_refptr<ShaderDiskCache> cache, | |
| 318 const base::FilePath& path, | |
| 319 const base::Time& delete_begin, | |
| 320 const base::Time& delete_end, | |
| 321 const base::Closure& callback) | |
| 322 : cache_(std::move(cache)), | |
| 323 op_type_(VERIFY_CACHE_SETUP), | |
| 324 path_(path), | |
| 325 delete_begin_(delete_begin), | |
| 326 delete_end_(delete_end), | |
| 327 callback_(callback), | |
| 328 weak_ptr_factory_(this) {} | |
| 329 | |
| 330 ShaderClearHelper::~ShaderClearHelper() { | |
| 331 DCHECK(CalledOnValidThread()); | |
| 332 } | |
| 333 | |
| 334 void ShaderClearHelper::Clear() { | |
| 335 DCHECK(CalledOnValidThread()); | |
| 336 DoClearShaderCache(net::OK); | |
| 337 } | |
| 338 | |
| 339 void ShaderClearHelper::DoClearShaderCache(int rv) { | |
| 340 DCHECK(CalledOnValidThread()); | |
| 341 while (rv != net::ERR_IO_PENDING) { | |
| 342 switch (op_type_) { | |
| 343 case VERIFY_CACHE_SETUP: | |
| 344 rv = cache_->SetAvailableCallback( | |
| 345 base::Bind(&ShaderClearHelper::DoClearShaderCache, | |
| 346 weak_ptr_factory_.GetWeakPtr())); | |
| 347 op_type_ = DELETE_CACHE; | |
| 348 break; | |
| 349 case DELETE_CACHE: | |
| 350 rv = cache_->Clear(delete_begin_, delete_end_, | |
| 351 base::Bind(&ShaderClearHelper::DoClearShaderCache, | |
| 352 weak_ptr_factory_.GetWeakPtr())); | |
| 353 op_type_ = TERMINATE; | |
| 354 break; | |
| 355 case TERMINATE: | |
| 356 callback_.Run(); | |
| 357 // Calling CacheCleared() destroys |this|. | |
| 358 ShaderCacheFactory::GetInstance()->CacheCleared(path_); | |
| 359 rv = net::ERR_IO_PENDING; // Break the loop. | |
| 360 break; | |
| 361 } | |
| 362 } | |
| 363 } | |
| 364 | |
| 365 //////////////////////////////////////////////////////////////////////////////// | |
| 366 // ShaderCacheFactory | |
| 367 | |
| 368 // static | |
| 369 void ShaderCacheFactory::InitInstance( | |
| 370 scoped_refptr<base::SingleThreadTaskRunner> task_runner, | |
| 371 scoped_refptr<base::SingleThreadTaskRunner> cache_task_runner) { | |
| 372 if (task_runner->BelongsToCurrentThread()) { | |
| 373 CreateFactoryInstance(std::move(cache_task_runner)); | |
| 374 } else { | |
| 375 task_runner->PostTask(FROM_HERE, | |
| 376 base::Bind(&ShaderCacheFactory::CreateFactoryInstance, | |
| 377 std::move(cache_task_runner))); | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 // static | |
| 382 ShaderCacheFactory* ShaderCacheFactory::GetInstance() { | |
| 383 DCHECK(!factory_instance || factory_instance->CalledOnValidThread()); | |
| 384 return factory_instance; | |
| 385 } | |
| 386 | |
| 387 ShaderCacheFactory::ShaderCacheFactory( | |
| 388 scoped_refptr<base::SingleThreadTaskRunner> cache_task_runner) | |
| 389 : cache_task_runner_(std::move(cache_task_runner)) {} | |
| 390 | |
| 391 ShaderCacheFactory::~ShaderCacheFactory() {} | |
| 392 | |
| 393 // static | |
| 394 void ShaderCacheFactory::CreateFactoryInstance( | |
| 395 scoped_refptr<base::SingleThreadTaskRunner> cache_task_runner) { | |
| 396 DCHECK(!factory_instance); | |
| 397 factory_instance = new ShaderCacheFactory(std::move(cache_task_runner)); | |
| 398 } | |
| 399 | |
| 400 void ShaderCacheFactory::SetCacheInfo(int32_t client_id, | |
| 401 const base::FilePath& path) { | |
| 402 DCHECK(CalledOnValidThread()); | |
| 403 client_id_to_path_map_[client_id] = path; | |
| 404 } | |
| 405 | |
| 406 void ShaderCacheFactory::RemoveCacheInfo(int32_t client_id) { | |
| 407 DCHECK(CalledOnValidThread()); | |
| 408 client_id_to_path_map_.erase(client_id); | |
| 409 } | |
| 410 | |
| 411 scoped_refptr<ShaderDiskCache> ShaderCacheFactory::Get(int32_t client_id) { | |
| 412 DCHECK(CalledOnValidThread()); | |
| 413 ClientIdToPathMap::iterator iter = client_id_to_path_map_.find(client_id); | |
| 414 if (iter == client_id_to_path_map_.end()) | |
| 415 return NULL; | |
| 416 return ShaderCacheFactory::GetByPath(iter->second); | |
| 417 } | |
| 418 | |
| 419 scoped_refptr<ShaderDiskCache> ShaderCacheFactory::GetByPath( | |
| 420 const base::FilePath& path) { | |
| 421 DCHECK(CalledOnValidThread()); | |
| 422 ShaderCacheMap::iterator iter = shader_cache_map_.find(path); | |
| 423 if (iter != shader_cache_map_.end()) | |
| 424 return iter->second; | |
| 425 | |
| 426 ShaderDiskCache* cache = new ShaderDiskCache(path); | |
| 427 cache->Init(cache_task_runner_); | |
| 428 return cache; | |
| 429 } | |
| 430 | |
| 431 void ShaderCacheFactory::AddToCache(const base::FilePath& key, | |
| 432 ShaderDiskCache* cache) { | |
| 433 DCHECK(CalledOnValidThread()); | |
| 434 shader_cache_map_[key] = cache; | |
| 435 } | |
| 436 | |
| 437 void ShaderCacheFactory::RemoveFromCache(const base::FilePath& key) { | |
| 438 DCHECK(CalledOnValidThread()); | |
| 439 shader_cache_map_.erase(key); | |
| 440 } | |
| 441 | |
| 442 void ShaderCacheFactory::ClearByPath(const base::FilePath& path, | |
| 443 const base::Time& delete_begin, | |
| 444 const base::Time& delete_end, | |
| 445 const base::Closure& callback) { | |
| 446 DCHECK(CalledOnValidThread()); | |
| 447 DCHECK(!callback.is_null()); | |
| 448 | |
| 449 auto helper = base::MakeUnique<ShaderClearHelper>( | |
| 450 GetByPath(path), path, delete_begin, delete_end, callback); | |
| 451 | |
| 452 // We could receive requests to clear the same path with different | |
| 453 // begin/end times. So, we keep a list of requests. If we haven't seen this | |
| 454 // path before we kick off the clear and add it to the list. If we have see it | |
| 455 // already, then we already have a clear running. We add this clear to the | |
| 456 // list and wait for any previous clears to finish. | |
| 457 ShaderClearMap::iterator iter = shader_clear_map_.find(path); | |
| 458 if (iter != shader_clear_map_.end()) { | |
| 459 iter->second.push(std::move(helper)); | |
| 460 return; | |
| 461 } | |
| 462 | |
| 463 // Insert the helper in the map before calling Clear(), since it can lead to a | |
| 464 // call back into CacheCleared(). | |
| 465 ShaderClearHelper* helper_ptr = helper.get(); | |
| 466 shader_clear_map_.insert( | |
| 467 std::pair<base::FilePath, ShaderClearQueue>(path, ShaderClearQueue())); | |
| 468 shader_clear_map_[path].push(std::move(helper)); | |
| 469 helper_ptr->Clear(); | |
| 470 } | |
| 471 | |
| 472 void ShaderCacheFactory::CacheCleared(const base::FilePath& path) { | |
| 473 DCHECK(CalledOnValidThread()); | |
| 474 | |
| 475 ShaderClearMap::iterator iter = shader_clear_map_.find(path); | |
| 476 if (iter == shader_clear_map_.end()) { | |
| 477 LOG(ERROR) << "Completed clear but missing clear helper."; | |
| 478 return; | |
| 479 } | |
| 480 | |
| 481 iter->second.pop(); | |
| 482 | |
| 483 // If there are remaining items in the list we trigger the Clear on the | |
| 484 // next one. | |
| 485 if (!iter->second.empty()) { | |
| 486 iter->second.front()->Clear(); | |
| 487 return; | |
| 488 } | |
| 489 | |
| 490 shader_clear_map_.erase(iter); | |
| 491 } | |
| 492 | |
| 493 //////////////////////////////////////////////////////////////////////////////// | |
| 494 // ShaderDiskCache | |
| 495 | |
| 496 ShaderDiskCache::ShaderDiskCache(const base::FilePath& cache_path) | |
| 497 : cache_available_(false), cache_path_(cache_path), is_initialized_(false) { | |
| 498 ShaderCacheFactory::GetInstance()->AddToCache(cache_path_, this); | |
| 499 } | |
| 500 | |
| 501 ShaderDiskCache::~ShaderDiskCache() { | |
| 502 ShaderCacheFactory::GetInstance()->RemoveFromCache(cache_path_); | |
| 503 } | |
| 504 | |
| 505 void ShaderDiskCache::Init( | |
| 506 scoped_refptr<base::SingleThreadTaskRunner> cache_task_runner) { | |
| 507 if (is_initialized_) { | |
| 508 NOTREACHED(); // can't initialize disk cache twice. | |
| 509 return; | |
| 510 } | |
| 511 is_initialized_ = true; | |
| 512 | |
| 513 int rv = disk_cache::CreateCacheBackend( | |
| 514 net::SHADER_CACHE, net::CACHE_BACKEND_DEFAULT, | |
| 515 cache_path_.Append(kGpuCachePath), | |
| 516 gpu::kDefaultMaxProgramCacheMemoryBytes, true, cache_task_runner, NULL, | |
| 517 &backend_, base::Bind(&ShaderDiskCache::CacheCreatedCallback, this)); | |
| 518 | |
| 519 if (rv == net::OK) | |
| 520 cache_available_ = true; | |
| 521 } | |
| 522 | |
| 523 void ShaderDiskCache::Cache(const std::string& key, const std::string& shader) { | |
| 524 if (!cache_available_) | |
| 525 return; | |
| 526 | |
| 527 auto shim = base::MakeUnique<ShaderDiskCacheEntry>(this, key, shader); | |
| 528 shim->Cache(); | |
| 529 auto* raw_ptr = shim.get(); | |
| 530 entries_.insert(std::make_pair(raw_ptr, std::move(shim))); | |
| 531 } | |
| 532 | |
| 533 int ShaderDiskCache::Clear(const base::Time begin_time, | |
| 534 const base::Time end_time, | |
| 535 const net::CompletionCallback& completion_callback) { | |
| 536 int rv; | |
| 537 if (begin_time.is_null()) { | |
| 538 rv = backend_->DoomAllEntries(completion_callback); | |
| 539 } else { | |
| 540 rv = | |
| 541 backend_->DoomEntriesBetween(begin_time, end_time, completion_callback); | |
| 542 } | |
| 543 return rv; | |
| 544 } | |
| 545 | |
| 546 int32_t ShaderDiskCache::Size() { | |
| 547 if (!cache_available_) | |
| 548 return -1; | |
| 549 return backend_->GetEntryCount(); | |
| 550 } | |
| 551 | |
| 552 int ShaderDiskCache::SetAvailableCallback( | |
| 553 const net::CompletionCallback& callback) { | |
| 554 if (cache_available_) | |
| 555 return net::OK; | |
| 556 available_callback_ = callback; | |
| 557 return net::ERR_IO_PENDING; | |
| 558 } | |
| 559 | |
| 560 void ShaderDiskCache::CacheCreatedCallback(int rv) { | |
| 561 if (rv != net::OK) { | |
| 562 LOG(ERROR) << "Shader Cache Creation failed: " << rv; | |
| 563 return; | |
| 564 } | |
| 565 helper_ = | |
| 566 base::MakeUnique<ShaderDiskReadHelper>(this, shader_loaded_callback_); | |
| 567 helper_->LoadCache(); | |
| 568 } | |
| 569 | |
| 570 void ShaderDiskCache::EntryComplete(ShaderDiskCacheEntry* entry) { | |
| 571 entries_.erase(entry); | |
| 572 if (entries_.empty() && !cache_complete_callback_.is_null()) | |
| 573 cache_complete_callback_.Run(net::OK); | |
| 574 } | |
| 575 | |
| 576 void ShaderDiskCache::ReadComplete() { | |
| 577 helper_ = nullptr; | |
| 578 | |
| 579 // The cache is considered available after we have finished reading any | |
| 580 // of the old cache values off disk. This prevents a potential race where we | |
| 581 // are reading from disk and execute a cache clear at the same time. | |
| 582 cache_available_ = true; | |
| 583 if (!available_callback_.is_null()) { | |
| 584 available_callback_.Run(net::OK); | |
| 585 available_callback_.Reset(); | |
| 586 } | |
| 587 } | |
| 588 | |
| 589 int ShaderDiskCache::SetCacheCompleteCallback( | |
| 590 const net::CompletionCallback& callback) { | |
| 591 if (entries_.empty()) { | |
| 592 return net::OK; | |
| 593 } | |
| 594 cache_complete_callback_ = callback; | |
| 595 return net::ERR_IO_PENDING; | |
| 596 } | |
| 597 | |
| 598 } // namespace gpu | |
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Chromium Code Reviews
Issue 2565243002:
Revert of gpu: Move ShaderDiskCache into //gpu/ipc/host component. (Closed)
