| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/raster/bitmap_tile_task_worker_pool.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <algorithm> |
| |
| #include "base/macros.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/trace_event/trace_event.h" |
| #include "base/trace_event/trace_event_argument.h" |
| #include "cc/debug/traced_value.h" |
| #include "cc/playback/display_list_raster_source.h" |
| #include "cc/raster/raster_buffer.h" |
| #include "cc/resources/platform_color.h" |
| #include "cc/resources/resource.h" |
| |
| namespace cc { |
| namespace { |
| |
| class RasterBufferImpl : public RasterBuffer { |
| public: |
| RasterBufferImpl(ResourceProvider* resource_provider, |
| const Resource* resource, |
| uint64_t resource_content_id, |
| uint64_t previous_content_id) |
| : lock_(resource_provider, resource->id()), |
| resource_(resource), |
| resource_has_previous_content_( |
| resource_content_id && resource_content_id == previous_content_id) { |
| } |
| |
| // Overridden from RasterBuffer: |
| void Playback(const DisplayListRasterSource* raster_source, |
| const gfx::Rect& raster_full_rect, |
| const gfx::Rect& raster_dirty_rect, |
| uint64_t new_content_id, |
| float scale, |
| bool include_images) override { |
| gfx::Rect playback_rect = raster_full_rect; |
| if (resource_has_previous_content_) { |
| playback_rect.Intersect(raster_dirty_rect); |
| } |
| DCHECK(!playback_rect.IsEmpty()) |
| << "Why are we rastering a tile that's not dirty?"; |
| |
| size_t stride = 0u; |
| TileTaskWorkerPool::PlaybackToMemory( |
| lock_.sk_bitmap().getPixels(), resource_->format(), resource_->size(), |
| stride, raster_source, raster_full_rect, playback_rect, scale, |
| include_images); |
| } |
| |
| private: |
| ResourceProvider::ScopedWriteLockSoftware lock_; |
| const Resource* resource_; |
| bool resource_has_previous_content_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl); |
| }; |
| |
| } // namespace |
| |
| // static |
| scoped_ptr<TileTaskWorkerPool> BitmapTileTaskWorkerPool::Create( |
| base::SequencedTaskRunner* task_runner, |
| TaskGraphRunner* task_graph_runner, |
| ResourceProvider* resource_provider) { |
| return make_scoped_ptr<TileTaskWorkerPool>(new BitmapTileTaskWorkerPool( |
| task_runner, task_graph_runner, resource_provider)); |
| } |
| |
| BitmapTileTaskWorkerPool::BitmapTileTaskWorkerPool( |
| base::SequencedTaskRunner* task_runner, |
| TaskGraphRunner* task_graph_runner, |
| ResourceProvider* resource_provider) |
| : task_runner_(task_runner), |
| task_graph_runner_(task_graph_runner), |
| namespace_token_(task_graph_runner->GetNamespaceToken()), |
| resource_provider_(resource_provider) {} |
| |
| BitmapTileTaskWorkerPool::~BitmapTileTaskWorkerPool() { |
| } |
| |
| TileTaskRunner* BitmapTileTaskWorkerPool::AsTileTaskRunner() { |
| return this; |
| } |
| |
| void BitmapTileTaskWorkerPool::Shutdown() { |
| TRACE_EVENT0("cc", "BitmapTileTaskWorkerPool::Shutdown"); |
| |
| TaskGraph empty; |
| task_graph_runner_->ScheduleTasks(namespace_token_, &empty); |
| task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_); |
| } |
| |
| void BitmapTileTaskWorkerPool::ScheduleTasks(TaskGraph* graph) { |
| TRACE_EVENT0("cc", "BitmapTileTaskWorkerPool::ScheduleTasks"); |
| |
| ScheduleTasksOnOriginThread(this, graph); |
| task_graph_runner_->ScheduleTasks(namespace_token_, graph); |
| } |
| |
| void BitmapTileTaskWorkerPool::CheckForCompletedTasks() { |
| TRACE_EVENT0("cc", "BitmapTileTaskWorkerPool::CheckForCompletedTasks"); |
| |
| task_graph_runner_->CollectCompletedTasks(namespace_token_, |
| &completed_tasks_); |
| for (Task::Vector::const_iterator it = completed_tasks_.begin(); |
| it != completed_tasks_.end(); ++it) { |
| TileTask* task = static_cast<TileTask*>(it->get()); |
| |
| task->WillComplete(); |
| task->CompleteOnOriginThread(this); |
| task->DidComplete(); |
| } |
| completed_tasks_.clear(); |
| } |
| |
| ResourceFormat BitmapTileTaskWorkerPool::GetResourceFormat( |
| bool must_support_alpha) const { |
| return resource_provider_->best_texture_format(); |
| } |
| |
| bool BitmapTileTaskWorkerPool::GetResourceRequiresSwizzle( |
| bool must_support_alpha) const { |
| return ResourceFormatRequiresSwizzle(GetResourceFormat(must_support_alpha)); |
| } |
| |
| scoped_ptr<RasterBuffer> BitmapTileTaskWorkerPool::AcquireBufferForRaster( |
| const Resource* resource, |
| uint64_t resource_content_id, |
| uint64_t previous_content_id) { |
| return scoped_ptr<RasterBuffer>(new RasterBufferImpl( |
| resource_provider_, resource, resource_content_id, previous_content_id)); |
| } |
| |
| void BitmapTileTaskWorkerPool::ReleaseBufferForRaster( |
| scoped_ptr<RasterBuffer> buffer) { |
| // Nothing to do here. RasterBufferImpl destructor cleans up after itself. |
| } |
| |
| } // namespace cc |