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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/gpu_tile_task_worker_pool.h" | |
6 | |
7 #include <stdint.h> | |
8 | |
9 #include <algorithm> | |
10 | |
11 #include "base/macros.h" | |
12 #include "base/memory/ptr_util.h" | |
13 #include "base/trace_event/trace_event.h" | |
14 #include "cc/playback/raster_source.h" | |
15 #include "cc/raster/gpu_rasterizer.h" | |
16 #include "cc/raster/scoped_gpu_raster.h" | |
17 #include "cc/resources/resource.h" | |
18 #include "gpu/command_buffer/client/gles2_interface.h" | |
19 #include "third_party/skia/include/core/SkMultiPictureDraw.h" | |
20 #include "third_party/skia/include/core/SkPictureRecorder.h" | |
21 #include "third_party/skia/include/core/SkSurface.h" | |
22 #include "third_party/skia/include/gpu/GrContext.h" | |
23 | |
24 namespace cc { | |
25 namespace { | |
26 | |
27 class RasterBufferImpl : public RasterBuffer { | |
28 public: | |
29 RasterBufferImpl(GpuRasterizer* rasterizer, | |
30 const Resource* resource, | |
31 uint64_t resource_content_id, | |
32 uint64_t previous_content_id) | |
33 : rasterizer_(rasterizer), | |
34 lock_(rasterizer->resource_provider(), resource->id()), | |
35 resource_has_previous_content_( | |
36 resource_content_id && resource_content_id == previous_content_id) { | |
37 } | |
38 | |
39 // Overridden from RasterBuffer: | |
40 void Playback( | |
41 const RasterSource* raster_source, | |
42 const gfx::Rect& raster_full_rect, | |
43 const gfx::Rect& raster_dirty_rect, | |
44 uint64_t new_content_id, | |
45 float scale, | |
46 const RasterSource::PlaybackSettings& playback_settings) override { | |
47 TRACE_EVENT0("cc", "RasterBufferImpl::Playback"); | |
48 // GPU raster doesn't do low res tiles, so should always include images. | |
49 DCHECK(!playback_settings.skip_images); | |
50 ContextProvider* context_provider = rasterizer_->resource_provider() | |
51 ->output_surface() | |
52 ->worker_context_provider(); | |
53 DCHECK(context_provider); | |
54 | |
55 ContextProvider::ScopedContextLock scoped_context(context_provider); | |
56 | |
57 gfx::Rect playback_rect = raster_full_rect; | |
58 if (resource_has_previous_content_) { | |
59 playback_rect.Intersect(raster_dirty_rect); | |
60 } | |
61 DCHECK(!playback_rect.IsEmpty()) | |
62 << "Why are we rastering a tile that's not dirty?"; | |
63 | |
64 // TODO(danakj): Implement partial raster with raster_dirty_rect. | |
65 // Rasterize source into resource. | |
66 rasterizer_->RasterizeSource(&lock_, raster_source, raster_full_rect, | |
67 playback_rect, scale, playback_settings); | |
68 | |
69 gpu::gles2::GLES2Interface* gl = scoped_context.ContextGL(); | |
70 const uint64_t fence_sync = gl->InsertFenceSyncCHROMIUM(); | |
71 | |
72 // Barrier to sync worker context output to cc context. | |
73 gl->OrderingBarrierCHROMIUM(); | |
74 | |
75 // Generate sync token after the barrier for cross context synchronization. | |
76 gpu::SyncToken sync_token; | |
77 gl->GenUnverifiedSyncTokenCHROMIUM(fence_sync, sync_token.GetData()); | |
78 lock_.UpdateResourceSyncToken(sync_token); | |
79 } | |
80 | |
81 private: | |
82 GpuRasterizer* rasterizer_; | |
83 ResourceProvider::ScopedWriteLockGr lock_; | |
84 bool resource_has_previous_content_; | |
85 | |
86 DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl); | |
87 }; | |
88 | |
89 } // namespace | |
90 | |
91 // static | |
92 std::unique_ptr<TileTaskWorkerPool> GpuTileTaskWorkerPool::Create( | |
93 base::SequencedTaskRunner* task_runner, | |
94 TaskGraphRunner* task_graph_runner, | |
95 ContextProvider* context_provider, | |
96 ResourceProvider* resource_provider, | |
97 bool use_distance_field_text, | |
98 int gpu_rasterization_msaa_sample_count) { | |
99 return base::WrapUnique<TileTaskWorkerPool>(new GpuTileTaskWorkerPool( | |
100 task_runner, task_graph_runner, context_provider, resource_provider, | |
101 use_distance_field_text, gpu_rasterization_msaa_sample_count)); | |
102 } | |
103 | |
104 GpuTileTaskWorkerPool::GpuTileTaskWorkerPool( | |
105 base::SequencedTaskRunner* task_runner, | |
106 TaskGraphRunner* task_graph_runner, | |
107 ContextProvider* context_provider, | |
108 ResourceProvider* resource_provider, | |
109 bool use_distance_field_text, | |
110 int gpu_rasterization_msaa_sample_count) | |
111 : task_runner_(task_runner), | |
112 task_graph_runner_(task_graph_runner), | |
113 namespace_token_(task_graph_runner_->GetNamespaceToken()), | |
114 rasterizer_(new GpuRasterizer(context_provider, | |
115 resource_provider, | |
116 use_distance_field_text, | |
117 gpu_rasterization_msaa_sample_count)) {} | |
118 | |
119 GpuTileTaskWorkerPool::~GpuTileTaskWorkerPool() { | |
120 DCHECK_EQ(0u, completed_tasks_.size()); | |
121 } | |
122 | |
123 void GpuTileTaskWorkerPool::Shutdown() { | |
124 TRACE_EVENT0("cc", "GpuTileTaskWorkerPool::Shutdown"); | |
125 | |
126 TaskGraph empty; | |
127 task_graph_runner_->ScheduleTasks(namespace_token_, &empty); | |
128 task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_); | |
129 } | |
130 | |
131 void GpuTileTaskWorkerPool::ScheduleTasks(TaskGraph* graph) { | |
132 TRACE_EVENT0("cc", "GpuTileTaskWorkerPool::ScheduleTasks"); | |
133 | |
134 ScheduleTasksOnOriginThread(this, graph); | |
135 | |
136 // Barrier to sync any new resources to the worker context. | |
137 rasterizer_->resource_provider() | |
138 ->output_surface() | |
139 ->context_provider() | |
140 ->ContextGL() | |
141 ->OrderingBarrierCHROMIUM(); | |
142 | |
143 task_graph_runner_->ScheduleTasks(namespace_token_, graph); | |
144 } | |
145 | |
146 void GpuTileTaskWorkerPool::CheckForCompletedTasks() { | |
147 TRACE_EVENT0("cc", "GpuTileTaskWorkerPool::CheckForCompletedTasks"); | |
148 | |
149 task_graph_runner_->CollectCompletedTasks(namespace_token_, | |
150 &completed_tasks_); | |
151 CompleteTasks(completed_tasks_); | |
152 completed_tasks_.clear(); | |
153 } | |
154 | |
155 ResourceFormat GpuTileTaskWorkerPool::GetResourceFormat( | |
156 bool must_support_alpha) const { | |
157 return rasterizer_->resource_provider()->best_render_buffer_format(); | |
158 } | |
159 | |
160 bool GpuTileTaskWorkerPool::GetResourceRequiresSwizzle( | |
161 bool must_support_alpha) const { | |
162 // This doesn't require a swizzle because we rasterize to the correct format. | |
163 return false; | |
164 } | |
165 | |
166 RasterBufferProvider* GpuTileTaskWorkerPool::AsRasterBufferProvider() { | |
167 return this; | |
168 } | |
169 | |
170 void GpuTileTaskWorkerPool::CompleteTasks(const Task::Vector& tasks) { | |
171 for (auto& task : tasks) { | |
172 TileTask* tile_task = static_cast<TileTask*>(task.get()); | |
173 | |
174 tile_task->WillComplete(); | |
175 tile_task->CompleteOnOriginThread(this); | |
176 tile_task->DidComplete(); | |
177 } | |
178 completed_tasks_.clear(); | |
179 } | |
180 | |
181 std::unique_ptr<RasterBuffer> GpuTileTaskWorkerPool::AcquireBufferForRaster( | |
182 const Resource* resource, | |
183 uint64_t resource_content_id, | |
184 uint64_t previous_content_id) { | |
185 return std::unique_ptr<RasterBuffer>(new RasterBufferImpl( | |
186 rasterizer_.get(), resource, resource_content_id, previous_content_id)); | |
187 } | |
188 | |
189 void GpuTileTaskWorkerPool::ReleaseBufferForRaster( | |
190 std::unique_ptr<RasterBuffer> buffer) { | |
191 // Nothing to do here. RasterBufferImpl destructor cleans up after itself. | |
192 } | |
193 | |
194 } // namespace cc | |
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