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| 1 // Copyright 2014 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 "cc/raster/one_copy_tile_task_worker_pool.h" | |
| 6 | |
| 7 #include <stdint.h> | |
| 8 | |
| 9 #include <algorithm> | |
| 10 #include <limits> | |
| 11 #include <utility> | |
| 12 | |
| 13 #include "base/macros.h" | |
| 14 #include "cc/base/math_util.h" | |
| 15 #include "cc/raster/staging_buffer_pool.h" | |
| 16 #include "cc/resources/platform_color.h" | |
| 17 #include "cc/resources/resource_format.h" | |
| 18 #include "cc/resources/resource_util.h" | |
| 19 #include "cc/resources/scoped_resource.h" | |
| 20 #include "gpu/GLES2/gl2extchromium.h" | |
| 21 #include "gpu/command_buffer/client/gles2_interface.h" | |
| 22 #include "gpu/command_buffer/client/gpu_memory_buffer_manager.h" | |
| 23 #include "ui/gfx/buffer_format_util.h" | |
| 24 | |
| 25 namespace cc { | |
| 26 namespace { | |
| 27 | |
| 28 class RasterBufferImpl : public RasterBuffer { | |
| 29 public: | |
| 30 RasterBufferImpl(OneCopyTileTaskWorkerPool* worker_pool, | |
| 31 ResourceProvider* resource_provider, | |
| 32 ResourceFormat resource_format, | |
| 33 const Resource* resource, | |
| 34 uint64_t previous_content_id) | |
| 35 : worker_pool_(worker_pool), | |
| 36 resource_(resource), | |
| 37 lock_(resource_provider, resource->id()), | |
| 38 previous_content_id_(previous_content_id) {} | |
| 39 | |
| 40 ~RasterBufferImpl() override {} | |
| 41 | |
| 42 // Overridden from RasterBuffer: | |
| 43 void Playback( | |
| 44 const RasterSource* raster_source, | |
| 45 const gfx::Rect& raster_full_rect, | |
| 46 const gfx::Rect& raster_dirty_rect, | |
| 47 uint64_t new_content_id, | |
| 48 float scale, | |
| 49 const RasterSource::PlaybackSettings& playback_settings) override { | |
| 50 worker_pool_->PlaybackAndCopyOnWorkerThread( | |
| 51 resource_, &lock_, raster_source, raster_full_rect, raster_dirty_rect, | |
| 52 scale, playback_settings, previous_content_id_, new_content_id); | |
| 53 } | |
| 54 | |
| 55 private: | |
| 56 OneCopyTileTaskWorkerPool* worker_pool_; | |
| 57 const Resource* resource_; | |
| 58 ResourceProvider::ScopedWriteLockGL lock_; | |
| 59 uint64_t previous_content_id_; | |
| 60 | |
| 61 DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl); | |
| 62 }; | |
| 63 | |
| 64 // 4MiB is the size of 4 512x512 tiles, which has proven to be a good | |
| 65 // default batch size for copy operations. | |
| 66 const int kMaxBytesPerCopyOperation = 1024 * 1024 * 4; | |
| 67 | |
| 68 } // namespace | |
| 69 | |
| 70 // static | |
| 71 std::unique_ptr<TileTaskWorkerPool> OneCopyTileTaskWorkerPool::Create( | |
| 72 base::SequencedTaskRunner* task_runner, | |
| 73 TaskGraphRunner* task_graph_runner, | |
| 74 ContextProvider* context_provider, | |
| 75 ResourceProvider* resource_provider, | |
| 76 int max_copy_texture_chromium_size, | |
| 77 bool use_partial_raster, | |
| 78 int max_staging_buffer_usage_in_bytes, | |
| 79 ResourceFormat preferred_tile_format) { | |
| 80 return base::WrapUnique<TileTaskWorkerPool>(new OneCopyTileTaskWorkerPool( | |
| 81 task_runner, task_graph_runner, resource_provider, | |
| 82 max_copy_texture_chromium_size, use_partial_raster, | |
| 83 max_staging_buffer_usage_in_bytes, preferred_tile_format)); | |
| 84 } | |
| 85 | |
| 86 OneCopyTileTaskWorkerPool::OneCopyTileTaskWorkerPool( | |
| 87 base::SequencedTaskRunner* task_runner, | |
| 88 TaskGraphRunner* task_graph_runner, | |
| 89 ResourceProvider* resource_provider, | |
| 90 int max_copy_texture_chromium_size, | |
| 91 bool use_partial_raster, | |
| 92 int max_staging_buffer_usage_in_bytes, | |
| 93 ResourceFormat preferred_tile_format) | |
| 94 : task_graph_runner_(task_graph_runner), | |
| 95 namespace_token_(task_graph_runner->GetNamespaceToken()), | |
| 96 resource_provider_(resource_provider), | |
| 97 max_bytes_per_copy_operation_( | |
| 98 max_copy_texture_chromium_size | |
| 99 ? std::min(kMaxBytesPerCopyOperation, | |
| 100 max_copy_texture_chromium_size) | |
| 101 : kMaxBytesPerCopyOperation), | |
| 102 use_partial_raster_(use_partial_raster), | |
| 103 bytes_scheduled_since_last_flush_(0), | |
| 104 preferred_tile_format_(preferred_tile_format) { | |
| 105 staging_pool_ = StagingBufferPool::Create(task_runner, resource_provider, | |
| 106 use_partial_raster, | |
| 107 max_staging_buffer_usage_in_bytes); | |
| 108 } | |
| 109 | |
| 110 OneCopyTileTaskWorkerPool::~OneCopyTileTaskWorkerPool() { | |
| 111 } | |
| 112 | |
| 113 void OneCopyTileTaskWorkerPool::Shutdown() { | |
| 114 TRACE_EVENT0("cc", "OneCopyTileTaskWorkerPool::Shutdown"); | |
| 115 | |
| 116 TaskGraph empty; | |
| 117 task_graph_runner_->ScheduleTasks(namespace_token_, &empty); | |
| 118 task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_); | |
| 119 | |
| 120 staging_pool_->Shutdown(); | |
| 121 } | |
| 122 | |
| 123 void OneCopyTileTaskWorkerPool::ScheduleTasks(TaskGraph* graph) { | |
| 124 TRACE_EVENT0("cc", "OneCopyTileTaskWorkerPool::ScheduleTasks"); | |
| 125 | |
| 126 ScheduleTasksOnOriginThread(this, graph); | |
| 127 | |
| 128 // Barrier to sync any new resources to the worker context. | |
| 129 resource_provider_->output_surface() | |
| 130 ->context_provider() | |
| 131 ->ContextGL() | |
| 132 ->OrderingBarrierCHROMIUM(); | |
| 133 | |
| 134 task_graph_runner_->ScheduleTasks(namespace_token_, graph); | |
| 135 } | |
| 136 | |
| 137 void OneCopyTileTaskWorkerPool::CheckForCompletedTasks() { | |
| 138 TRACE_EVENT0("cc", "OneCopyTileTaskWorkerPool::CheckForCompletedTasks"); | |
| 139 | |
| 140 task_graph_runner_->CollectCompletedTasks(namespace_token_, | |
| 141 &completed_tasks_); | |
| 142 | |
| 143 for (Task::Vector::const_iterator it = completed_tasks_.begin(); | |
| 144 it != completed_tasks_.end(); ++it) { | |
| 145 TileTask* task = static_cast<TileTask*>(it->get()); | |
| 146 | |
| 147 task->WillComplete(); | |
| 148 task->CompleteOnOriginThread(this); | |
| 149 task->DidComplete(); | |
| 150 } | |
| 151 completed_tasks_.clear(); | |
| 152 } | |
| 153 | |
| 154 ResourceFormat OneCopyTileTaskWorkerPool::GetResourceFormat( | |
| 155 bool must_support_alpha) const { | |
| 156 if (resource_provider_->IsResourceFormatSupported(preferred_tile_format_) && | |
| 157 (DoesResourceFormatSupportAlpha(preferred_tile_format_) || | |
| 158 !must_support_alpha)) { | |
| 159 return preferred_tile_format_; | |
| 160 } | |
| 161 | |
| 162 return resource_provider_->best_texture_format(); | |
| 163 } | |
| 164 | |
| 165 bool OneCopyTileTaskWorkerPool::GetResourceRequiresSwizzle( | |
| 166 bool must_support_alpha) const { | |
| 167 return ResourceFormatRequiresSwizzle(GetResourceFormat(must_support_alpha)); | |
| 168 } | |
| 169 | |
| 170 RasterBufferProvider* OneCopyTileTaskWorkerPool::AsRasterBufferProvider() { | |
| 171 return this; | |
| 172 } | |
| 173 | |
| 174 std::unique_ptr<RasterBuffer> OneCopyTileTaskWorkerPool::AcquireBufferForRaster( | |
| 175 const Resource* resource, | |
| 176 uint64_t resource_content_id, | |
| 177 uint64_t previous_content_id) { | |
| 178 // TODO(danakj): If resource_content_id != 0, we only need to copy/upload | |
| 179 // the dirty rect. | |
| 180 return base::WrapUnique<RasterBuffer>( | |
| 181 new RasterBufferImpl(this, resource_provider_, resource->format(), | |
| 182 resource, previous_content_id)); | |
| 183 } | |
| 184 | |
| 185 void OneCopyTileTaskWorkerPool::ReleaseBufferForRaster( | |
| 186 std::unique_ptr<RasterBuffer> buffer) { | |
| 187 // Nothing to do here. RasterBufferImpl destructor cleans up after itself. | |
| 188 } | |
| 189 | |
| 190 void OneCopyTileTaskWorkerPool::PlaybackAndCopyOnWorkerThread( | |
| 191 const Resource* resource, | |
| 192 ResourceProvider::ScopedWriteLockGL* resource_lock, | |
| 193 const RasterSource* raster_source, | |
| 194 const gfx::Rect& raster_full_rect, | |
| 195 const gfx::Rect& raster_dirty_rect, | |
| 196 float scale, | |
| 197 const RasterSource::PlaybackSettings& playback_settings, | |
| 198 uint64_t previous_content_id, | |
| 199 uint64_t new_content_id) { | |
| 200 std::unique_ptr<StagingBuffer> staging_buffer = | |
| 201 staging_pool_->AcquireStagingBuffer(resource, previous_content_id); | |
| 202 | |
| 203 PlaybackToStagingBuffer(staging_buffer.get(), resource, raster_source, | |
| 204 raster_full_rect, raster_dirty_rect, scale, | |
| 205 playback_settings, previous_content_id, | |
| 206 new_content_id); | |
| 207 | |
| 208 CopyOnWorkerThread(staging_buffer.get(), resource, resource_lock, | |
| 209 raster_source, previous_content_id, new_content_id); | |
| 210 | |
| 211 staging_pool_->ReleaseStagingBuffer(std::move(staging_buffer)); | |
| 212 } | |
| 213 | |
| 214 void OneCopyTileTaskWorkerPool::PlaybackToStagingBuffer( | |
| 215 StagingBuffer* staging_buffer, | |
| 216 const Resource* resource, | |
| 217 const RasterSource* raster_source, | |
| 218 const gfx::Rect& raster_full_rect, | |
| 219 const gfx::Rect& raster_dirty_rect, | |
| 220 float scale, | |
| 221 const RasterSource::PlaybackSettings& playback_settings, | |
| 222 uint64_t previous_content_id, | |
| 223 uint64_t new_content_id) { | |
| 224 // Allocate GpuMemoryBuffer if necessary. If using partial raster, we | |
| 225 // must allocate a buffer with BufferUsage CPU_READ_WRITE_PERSISTENT. | |
| 226 if (!staging_buffer->gpu_memory_buffer) { | |
| 227 staging_buffer->gpu_memory_buffer = | |
| 228 resource_provider_->gpu_memory_buffer_manager() | |
| 229 ->AllocateGpuMemoryBuffer( | |
| 230 staging_buffer->size, BufferFormat(resource->format()), | |
| 231 use_partial_raster_ | |
| 232 ? gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT | |
| 233 : gfx::BufferUsage::GPU_READ_CPU_READ_WRITE, | |
| 234 gpu::kNullSurfaceHandle); | |
| 235 } | |
| 236 | |
| 237 gfx::Rect playback_rect = raster_full_rect; | |
| 238 if (use_partial_raster_ && previous_content_id) { | |
| 239 // Reduce playback rect to dirty region if the content id of the staging | |
| 240 // buffer matches the prevous content id. | |
| 241 if (previous_content_id == staging_buffer->content_id) | |
| 242 playback_rect.Intersect(raster_dirty_rect); | |
| 243 } | |
| 244 | |
| 245 if (staging_buffer->gpu_memory_buffer) { | |
| 246 gfx::GpuMemoryBuffer* buffer = staging_buffer->gpu_memory_buffer.get(); | |
| 247 DCHECK_EQ(1u, gfx::NumberOfPlanesForBufferFormat(buffer->GetFormat())); | |
| 248 bool rv = buffer->Map(); | |
| 249 DCHECK(rv); | |
| 250 DCHECK(buffer->memory(0)); | |
| 251 // TileTaskWorkerPool::PlaybackToMemory only supports unsigned strides. | |
| 252 DCHECK_GE(buffer->stride(0), 0); | |
| 253 | |
| 254 DCHECK(!playback_rect.IsEmpty()) | |
| 255 << "Why are we rastering a tile that's not dirty?"; | |
| 256 TileTaskWorkerPool::PlaybackToMemory( | |
| 257 buffer->memory(0), resource->format(), staging_buffer->size, | |
| 258 buffer->stride(0), raster_source, raster_full_rect, playback_rect, | |
| 259 scale, playback_settings); | |
| 260 buffer->Unmap(); | |
| 261 staging_buffer->content_id = new_content_id; | |
| 262 } | |
| 263 } | |
| 264 | |
| 265 void OneCopyTileTaskWorkerPool::CopyOnWorkerThread( | |
| 266 StagingBuffer* staging_buffer, | |
| 267 const Resource* resource, | |
| 268 ResourceProvider::ScopedWriteLockGL* resource_lock, | |
| 269 const RasterSource* raster_source, | |
| 270 uint64_t previous_content_id, | |
| 271 uint64_t new_content_id) { | |
| 272 ContextProvider* context_provider = | |
| 273 resource_provider_->output_surface()->worker_context_provider(); | |
| 274 DCHECK(context_provider); | |
| 275 | |
| 276 { | |
| 277 ContextProvider::ScopedContextLock scoped_context(context_provider); | |
| 278 | |
| 279 gpu::gles2::GLES2Interface* gl = scoped_context.ContextGL(); | |
| 280 DCHECK(gl); | |
| 281 | |
| 282 unsigned image_target = | |
| 283 resource_provider_->GetImageTextureTarget(resource->format()); | |
| 284 | |
| 285 // Create and bind staging texture. | |
| 286 if (!staging_buffer->texture_id) { | |
| 287 gl->GenTextures(1, &staging_buffer->texture_id); | |
| 288 gl->BindTexture(image_target, staging_buffer->texture_id); | |
| 289 gl->TexParameteri(image_target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); | |
| 290 gl->TexParameteri(image_target, GL_TEXTURE_MAG_FILTER, GL_NEAREST); | |
| 291 gl->TexParameteri(image_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); | |
| 292 gl->TexParameteri(image_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); | |
| 293 } else { | |
| 294 gl->BindTexture(image_target, staging_buffer->texture_id); | |
| 295 } | |
| 296 | |
| 297 // Create and bind image. | |
| 298 if (!staging_buffer->image_id) { | |
| 299 if (staging_buffer->gpu_memory_buffer) { | |
| 300 staging_buffer->image_id = gl->CreateImageCHROMIUM( | |
| 301 staging_buffer->gpu_memory_buffer->AsClientBuffer(), | |
| 302 staging_buffer->size.width(), staging_buffer->size.height(), | |
| 303 GLInternalFormat(resource->format())); | |
| 304 gl->BindTexImage2DCHROMIUM(image_target, staging_buffer->image_id); | |
| 305 } | |
| 306 } else { | |
| 307 gl->ReleaseTexImage2DCHROMIUM(image_target, staging_buffer->image_id); | |
| 308 gl->BindTexImage2DCHROMIUM(image_target, staging_buffer->image_id); | |
| 309 } | |
| 310 | |
| 311 // Unbind staging texture. | |
| 312 gl->BindTexture(image_target, 0); | |
| 313 | |
| 314 if (resource_provider_->use_sync_query()) { | |
| 315 if (!staging_buffer->query_id) | |
| 316 gl->GenQueriesEXT(1, &staging_buffer->query_id); | |
| 317 | |
| 318 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_ARM_FAMILY) | |
| 319 // TODO(reveman): This avoids a performance problem on ARM ChromeOS | |
| 320 // devices. crbug.com/580166 | |
| 321 gl->BeginQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM, staging_buffer->query_id); | |
| 322 #else | |
| 323 gl->BeginQueryEXT(GL_COMMANDS_COMPLETED_CHROMIUM, | |
| 324 staging_buffer->query_id); | |
| 325 #endif | |
| 326 } | |
| 327 | |
| 328 // Since compressed texture's cannot be pre-allocated we might have an | |
| 329 // unallocated resource in which case we need to perform a full size copy. | |
| 330 if (IsResourceFormatCompressed(resource->format())) { | |
| 331 gl->CompressedCopyTextureCHROMIUM(staging_buffer->texture_id, | |
| 332 resource_lock->texture_id()); | |
| 333 } else { | |
| 334 int bytes_per_row = ResourceUtil::UncheckedWidthInBytes<int>( | |
| 335 resource->size().width(), resource->format()); | |
| 336 int chunk_size_in_rows = | |
| 337 std::max(1, max_bytes_per_copy_operation_ / bytes_per_row); | |
| 338 // Align chunk size to 4. Required to support compressed texture formats. | |
| 339 chunk_size_in_rows = MathUtil::UncheckedRoundUp(chunk_size_in_rows, 4); | |
| 340 int y = 0; | |
| 341 int height = resource->size().height(); | |
| 342 while (y < height) { | |
| 343 // Copy at most |chunk_size_in_rows|. | |
| 344 int rows_to_copy = std::min(chunk_size_in_rows, height - y); | |
| 345 DCHECK_GT(rows_to_copy, 0); | |
| 346 | |
| 347 gl->CopySubTextureCHROMIUM( | |
| 348 staging_buffer->texture_id, resource_lock->texture_id(), 0, y, 0, y, | |
| 349 resource->size().width(), rows_to_copy, false, false, false); | |
| 350 y += rows_to_copy; | |
| 351 | |
| 352 // Increment |bytes_scheduled_since_last_flush_| by the amount of memory | |
| 353 // used for this copy operation. | |
| 354 bytes_scheduled_since_last_flush_ += rows_to_copy * bytes_per_row; | |
| 355 | |
| 356 if (bytes_scheduled_since_last_flush_ >= | |
| 357 max_bytes_per_copy_operation_) { | |
| 358 gl->ShallowFlushCHROMIUM(); | |
| 359 bytes_scheduled_since_last_flush_ = 0; | |
| 360 } | |
| 361 } | |
| 362 } | |
| 363 | |
| 364 if (resource_provider_->use_sync_query()) { | |
| 365 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_ARM_FAMILY) | |
| 366 gl->EndQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM); | |
| 367 #else | |
| 368 gl->EndQueryEXT(GL_COMMANDS_COMPLETED_CHROMIUM); | |
| 369 #endif | |
| 370 } | |
| 371 | |
| 372 const uint64_t fence_sync = gl->InsertFenceSyncCHROMIUM(); | |
| 373 | |
| 374 // Barrier to sync worker context output to cc context. | |
| 375 gl->OrderingBarrierCHROMIUM(); | |
| 376 | |
| 377 // Generate sync token after the barrier for cross context synchronization. | |
| 378 gpu::SyncToken sync_token; | |
| 379 gl->GenUnverifiedSyncTokenCHROMIUM(fence_sync, sync_token.GetData()); | |
| 380 resource_lock->UpdateResourceSyncToken(sync_token); | |
| 381 } | |
| 382 } | |
| 383 | |
| 384 } // namespace cc | |
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Chromium Code Reviews
Issue 1910213005:
cc: Refactor TileTaskWorkerPool. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@task_states