| // 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/gpu_tile_task_worker_pool.h" |
| |
| #include <stdint.h> |
| |
| #include <algorithm> |
| |
| #include "base/macros.h" |
| #include "base/trace_event/trace_event.h" |
| #include "cc/playback/display_list_raster_source.h" |
| #include "cc/raster/gpu_rasterizer.h" |
| #include "cc/raster/raster_buffer.h" |
| #include "cc/raster/scoped_gpu_raster.h" |
| #include "cc/resources/resource.h" |
| #include "gpu/command_buffer/client/gles2_interface.h" |
| #include "third_party/skia/include/core/SkMultiPictureDraw.h" |
| #include "third_party/skia/include/core/SkPictureRecorder.h" |
| #include "third_party/skia/include/core/SkSurface.h" |
| #include "third_party/skia/include/gpu/GrContext.h" |
| |
| namespace cc { |
| namespace { |
| |
| class RasterBufferImpl : public RasterBuffer { |
| public: |
| RasterBufferImpl(GpuRasterizer* rasterizer, |
| const Resource* resource, |
| uint64_t resource_content_id, |
| uint64_t previous_content_id) |
| : rasterizer_(rasterizer), |
| lock_(rasterizer->resource_provider(), resource->id()), |
| 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 { |
| TRACE_EVENT0("cc", "RasterBufferImpl::Playback"); |
| // GPU raster doesn't do low res tiles, so should always include images. |
| DCHECK(include_images); |
| ContextProvider* context_provider = rasterizer_->resource_provider() |
| ->output_surface() |
| ->worker_context_provider(); |
| DCHECK(context_provider); |
| |
| ContextProvider::ScopedContextLock scoped_context(context_provider); |
| |
| 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?"; |
| |
| // TODO(danakj): Implement partial raster with raster_dirty_rect. |
| // Rasterize source into resource. |
| rasterizer_->RasterizeSource(&lock_, raster_source, raster_full_rect, |
| playback_rect, scale); |
| |
| gpu::gles2::GLES2Interface* gl = scoped_context.ContextGL(); |
| const uint64_t fence_sync = gl->InsertFenceSyncCHROMIUM(); |
| |
| // Barrier to sync worker context output to cc context. |
| gl->OrderingBarrierCHROMIUM(); |
| |
| // Generate sync token after the barrier for cross context synchronization. |
| gpu::SyncToken sync_token; |
| gl->GenUnverifiedSyncTokenCHROMIUM(fence_sync, sync_token.GetData()); |
| lock_.UpdateResourceSyncToken(sync_token); |
| } |
| |
| private: |
| GpuRasterizer* rasterizer_; |
| ResourceProvider::ScopedWriteLockGr lock_; |
| bool resource_has_previous_content_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl); |
| }; |
| |
| } // namespace |
| |
| // static |
| scoped_ptr<TileTaskWorkerPool> GpuTileTaskWorkerPool::Create( |
| base::SequencedTaskRunner* task_runner, |
| TaskGraphRunner* task_graph_runner, |
| ContextProvider* context_provider, |
| ResourceProvider* resource_provider, |
| bool use_distance_field_text, |
| int gpu_rasterization_msaa_sample_count) { |
| return make_scoped_ptr<TileTaskWorkerPool>(new GpuTileTaskWorkerPool( |
| task_runner, task_graph_runner, context_provider, resource_provider, |
| use_distance_field_text, gpu_rasterization_msaa_sample_count)); |
| } |
| |
| GpuTileTaskWorkerPool::GpuTileTaskWorkerPool( |
| base::SequencedTaskRunner* task_runner, |
| TaskGraphRunner* task_graph_runner, |
| ContextProvider* context_provider, |
| ResourceProvider* resource_provider, |
| bool use_distance_field_text, |
| int gpu_rasterization_msaa_sample_count) |
| : task_runner_(task_runner), |
| task_graph_runner_(task_graph_runner), |
| namespace_token_(task_graph_runner_->GetNamespaceToken()), |
| rasterizer_(new GpuRasterizer(context_provider, |
| resource_provider, |
| use_distance_field_text, |
| gpu_rasterization_msaa_sample_count)) {} |
| |
| GpuTileTaskWorkerPool::~GpuTileTaskWorkerPool() { |
| DCHECK_EQ(0u, completed_tasks_.size()); |
| } |
| |
| TileTaskRunner* GpuTileTaskWorkerPool::AsTileTaskRunner() { |
| return this; |
| } |
| |
| void GpuTileTaskWorkerPool::Shutdown() { |
| TRACE_EVENT0("cc", "GpuTileTaskWorkerPool::Shutdown"); |
| |
| TaskGraph empty; |
| task_graph_runner_->ScheduleTasks(namespace_token_, &empty); |
| task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_); |
| } |
| |
| void GpuTileTaskWorkerPool::ScheduleTasks(TaskGraph* graph) { |
| TRACE_EVENT0("cc", "GpuTileTaskWorkerPool::ScheduleTasks"); |
| |
| ScheduleTasksOnOriginThread(this, graph); |
| |
| // Barrier to sync any new resources to the worker context. |
| rasterizer_->resource_provider() |
| ->output_surface() |
| ->context_provider() |
| ->ContextGL() |
| ->OrderingBarrierCHROMIUM(); |
| |
| task_graph_runner_->ScheduleTasks(namespace_token_, graph); |
| } |
| |
| void GpuTileTaskWorkerPool::CheckForCompletedTasks() { |
| TRACE_EVENT0("cc", "GpuTileTaskWorkerPool::CheckForCompletedTasks"); |
| |
| task_graph_runner_->CollectCompletedTasks(namespace_token_, |
| &completed_tasks_); |
| CompleteTasks(completed_tasks_); |
| completed_tasks_.clear(); |
| } |
| |
| ResourceFormat GpuTileTaskWorkerPool::GetResourceFormat( |
| bool must_support_alpha) const { |
| return rasterizer_->resource_provider()->best_render_buffer_format(); |
| } |
| |
| bool GpuTileTaskWorkerPool::GetResourceRequiresSwizzle( |
| bool must_support_alpha) const { |
| // This doesn't require a swizzle because we rasterize to the correct format. |
| return false; |
| } |
| |
| void GpuTileTaskWorkerPool::CompleteTasks(const Task::Vector& tasks) { |
| for (auto& task : tasks) { |
| TileTask* tile_task = static_cast<TileTask*>(task.get()); |
| |
| tile_task->WillComplete(); |
| tile_task->CompleteOnOriginThread(this); |
| tile_task->DidComplete(); |
| } |
| completed_tasks_.clear(); |
| } |
| |
| scoped_ptr<RasterBuffer> GpuTileTaskWorkerPool::AcquireBufferForRaster( |
| const Resource* resource, |
| uint64_t resource_content_id, |
| uint64_t previous_content_id) { |
| return scoped_ptr<RasterBuffer>(new RasterBufferImpl( |
| rasterizer_.get(), resource, resource_content_id, previous_content_id)); |
| } |
| |
| void GpuTileTaskWorkerPool::ReleaseBufferForRaster( |
| scoped_ptr<RasterBuffer> buffer) { |
| // Nothing to do here. RasterBufferImpl destructor cleans up after itself. |
| } |
| |
| } // namespace cc |