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chromium / chromium / src / 47560aba9ae6e235795068d6e78dcf4ea0628e63 / . / cc / resources / gpu_raster_worker_pool.cc
blob: d0f97219c713c9039e750972784e9838780cabda [file] [log] [blame]
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]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
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]5#include "cc/resources/gpu_raster_worker_pool.h"
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]6
ernstm69fedbd2014-09-18 01:23:41[diff] [blame]7#include <algorithm>
8
reveman@chromium.org7084c1d2014-03-25 23:16:05[diff] [blame]9#include "base/debug/trace_event.h"
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]10#include "cc/output/context_provider.h"
reveman47560ab2014-09-18 19:39:21[diff] [blame^]11#include "cc/resources/raster_buffer.h"
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]12#include "cc/resources/resource.h"
13#include "cc/resources/resource_provider.h"
sohan.jyoti@samsung.com110fcc0e2014-07-16 15:52:47[diff] [blame]14#include "cc/resources/scoped_gpu_raster.h"
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]15#include "gpu/command_buffer/client/gles2_interface.h"
reveman47560ab2014-09-18 19:39:21[diff] [blame^]16#include "third_party/skia/include/core/SkSurface.h"
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]17#include "third_party/skia/include/gpu/GrContext.h"
reveman47560ab2014-09-18 19:39:21[diff] [blame^]18#include "third_party/skia/include/utils/SkNullCanvas.h"
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]19
20namespace cc {
reveman47560ab2014-09-18 19:39:21[diff] [blame^]21namespace {
22
23class RasterBufferImpl : public RasterBuffer {
24 public:
25 RasterBufferImpl(ResourceProvider* resource_provider,
26 const Resource* resource)
27 : resource_provider_(resource_provider),
28 resource_(resource),
29 surface_(resource_provider->LockForWriteToSkSurface(resource->id())) {}
30 virtual ~RasterBufferImpl() {
31 resource_provider_->UnlockForWriteToSkSurface(resource_->id());
32 }
33
34 // Overridden from RasterBuffer:
35 virtual skia::RefPtr<SkCanvas> AcquireSkCanvas() OVERRIDE {
36 skia::RefPtr<SkCanvas> canvas = surface_
37 ? skia::SharePtr(surface_->getCanvas())
38 : skia::AdoptRef(SkCreateNullCanvas());
39
40 // Balanced with restore() call in ReleaseSkCanvas. save()/restore() calls
41 // are needed to ensure that canvas returns to its previous state after use.
42 canvas->save();
43 return canvas;
44 }
45 virtual void ReleaseSkCanvas(const skia::RefPtr<SkCanvas>& canvas) OVERRIDE {
46 // Balanced with save() call in AcquireSkCanvas.
47 canvas->restore();
48 }
49
50 private:
51 ResourceProvider* resource_provider_;
52 const Resource* resource_;
53 SkSurface* surface_;
54
55 DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl);
56};
57
58} // namespace
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]59
60// static
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]61scoped_ptr<RasterWorkerPool> GpuRasterWorkerPool::Create(
boliu@chromium.org98805e62014-03-05 01:33:59[diff] [blame]62 base::SequencedTaskRunner* task_runner,
sohan.jyoti@samsung.com110fcc0e2014-07-16 15:52:47[diff] [blame]63 ContextProvider* context_provider,
sohan.jyoti@samsung.com2ea1a582014-07-03 08:50:11[diff] [blame]64 ResourceProvider* resource_provider) {
sohan.jyoti@samsung.com110fcc0e2014-07-16 15:52:47[diff] [blame]65 return make_scoped_ptr<RasterWorkerPool>(new GpuRasterWorkerPool(
66 task_runner, context_provider, resource_provider));
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]67}
68
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]69GpuRasterWorkerPool::GpuRasterWorkerPool(base::SequencedTaskRunner* task_runner,
sohan.jyoti@samsung.com110fcc0e2014-07-16 15:52:47[diff] [blame]70 ContextProvider* context_provider,
sohan.jyoti@samsung.com2ea1a582014-07-03 08:50:11[diff] [blame]71 ResourceProvider* resource_provider)
reveman@chromium.orgec7541d2014-04-09 01:23:53[diff] [blame]72 : task_runner_(task_runner),
reveman@chromium.orga4c9e7e2014-04-23 06:12:18[diff] [blame]73 task_graph_runner_(new TaskGraphRunner),
74 namespace_token_(task_graph_runner_->GetNamespaceToken()),
sohan.jyoti@samsung.com110fcc0e2014-07-16 15:52:47[diff] [blame]75 context_provider_(context_provider),
reveman@chromium.orgec7541d2014-04-09 01:23:53[diff] [blame]76 resource_provider_(resource_provider),
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]77 run_tasks_on_origin_thread_pending_(false),
reveman@chromium.orgec7541d2014-04-09 01:23:53[diff] [blame]78 raster_finished_weak_ptr_factory_(this),
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]79 weak_ptr_factory_(this) {
boliu@chromium.org555f4fc22014-07-29 09:46:42[diff] [blame]80 DCHECK(context_provider_);
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]81}
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]82
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]83GpuRasterWorkerPool::~GpuRasterWorkerPool() {
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]84 DCHECK_EQ(0u, completed_tasks_.size());
reveman@chromium.orgec7541d2014-04-09 01:23:53[diff] [blame]85}
86
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]87Rasterizer* GpuRasterWorkerPool::AsRasterizer() {
88 return this;
89}
reveman@chromium.org7beac1b52014-04-10 23:09:56[diff] [blame]90
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]91void GpuRasterWorkerPool::SetClient(RasterizerClient* client) {
reveman@chromium.orgec7541d2014-04-09 01:23:53[diff] [blame]92 client_ = client;
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]93}
94
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]95void GpuRasterWorkerPool::Shutdown() {
96 TRACE_EVENT0("cc", "GpuRasterWorkerPool::Shutdown");
reveman@chromium.orga4c9e7e2014-04-23 06:12:18[diff] [blame]97
98 TaskGraph empty;
99 task_graph_runner_->ScheduleTasks(namespace_token_, &empty);
100 task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_);
101}
102
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]103void GpuRasterWorkerPool::ScheduleTasks(RasterTaskQueue* queue) {
104 TRACE_EVENT0("cc", "GpuRasterWorkerPool::ScheduleTasks");
reveman@chromium.org13b45f12014-02-19 02:42:04[diff] [blame]105
ernstm69fedbd2014-09-18 01:23:41[diff] [blame]106 // Mark all task sets as pending.
107 raster_pending_.set();
reveman@chromium.orga4c9e7e2014-04-23 06:12:18[diff] [blame]108
109 unsigned priority = kRasterTaskPriorityBase;
110
111 graph_.Reset();
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]112
reveman@chromium.orgec7541d2014-04-09 01:23:53[diff] [blame]113 // Cancel existing OnRasterFinished callbacks.
114 raster_finished_weak_ptr_factory_.InvalidateWeakPtrs();
115
ernstm69fedbd2014-09-18 01:23:41[diff] [blame]116 scoped_refptr<RasterizerTask> new_raster_finished_tasks[kNumberOfTaskSets];
ernstm3a2f9032014-09-13 00:54:18[diff] [blame]117
ernstm69fedbd2014-09-18 01:23:41[diff] [blame]118 size_t task_count[kNumberOfTaskSets] = {0};
119
120 for (TaskSet task_set = 0; task_set < kNumberOfTaskSets; ++task_set) {
121 new_raster_finished_tasks[task_set] = CreateRasterFinishedTask(
122 task_runner_.get(),
123 base::Bind(&GpuRasterWorkerPool::OnRasterFinished,
124 raster_finished_weak_ptr_factory_.GetWeakPtr(),
125 task_set));
126 }
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]127
reveman@chromium.orga4c9e7e2014-04-23 06:12:18[diff] [blame]128 for (RasterTaskQueue::Item::Vector::const_iterator it = queue->items.begin();
129 it != queue->items.end();
130 ++it) {
131 const RasterTaskQueue::Item& item = *it;
132 RasterTask* task = item.task;
133 DCHECK(!task->HasCompleted());
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]134
ernstm69fedbd2014-09-18 01:23:41[diff] [blame]135 for (TaskSet task_set = 0; task_set < kNumberOfTaskSets; ++task_set) {
136 if (!item.task_sets[task_set])
137 continue;
138
139 ++task_count[task_set];
140
141 graph_.edges.push_back(
142 TaskGraph::Edge(task, new_raster_finished_tasks[task_set].get()));
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]143 }
reveman@chromium.orga4c9e7e2014-04-23 06:12:18[diff] [blame]144
145 InsertNodesForRasterTask(&graph_, task, task->dependencies(), priority++);
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]146 }
147
ernstm69fedbd2014-09-18 01:23:41[diff] [blame]148 for (TaskSet task_set = 0; task_set < kNumberOfTaskSets; ++task_set) {
149 InsertNodeForTask(&graph_,
150 new_raster_finished_tasks[task_set].get(),
151 kRasterFinishedTaskPriority,
152 task_count[task_set]);
153 }
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]154
reveman@chromium.orga4c9e7e2014-04-23 06:12:18[diff] [blame]155 ScheduleTasksOnOriginThread(this, &graph_);
156 task_graph_runner_->ScheduleTasks(namespace_token_, &graph_);
157
158 ScheduleRunTasksOnOriginThread();
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]159
ernstm69fedbd2014-09-18 01:23:41[diff] [blame]160 std::copy(new_raster_finished_tasks,
161 new_raster_finished_tasks + kNumberOfTaskSets,
162 raster_finished_tasks_);
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]163}
164
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]165void GpuRasterWorkerPool::CheckForCompletedTasks() {
166 TRACE_EVENT0("cc", "GpuRasterWorkerPool::CheckForCompletedTasks");
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]167
reveman@chromium.orga4c9e7e2014-04-23 06:12:18[diff] [blame]168 task_graph_runner_->CollectCompletedTasks(namespace_token_,
169 &completed_tasks_);
170 for (Task::Vector::const_iterator it = completed_tasks_.begin();
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]171 it != completed_tasks_.end();
172 ++it) {
reveman@chromium.orga4c9e7e2014-04-23 06:12:18[diff] [blame]173 RasterizerTask* task = static_cast<RasterizerTask*>(it->get());
174
175 task->WillComplete();
176 task->CompleteOnOriginThread(this);
177 task->DidComplete();
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]178
179 task->RunReplyOnOriginThread();
180 }
181 completed_tasks_.clear();
182}
183
reveman47560ab2014-09-18 19:39:21[diff] [blame^]184scoped_ptr<RasterBuffer> GpuRasterWorkerPool::AcquireBufferForRaster(
185 const Resource* resource) {
186 // RasterBuffer implementation depends on a SkSurface having been acquired for
187 // the resource.
188 resource_provider_->AcquireSkSurface(resource->id());
189
190 return make_scoped_ptr<RasterBuffer>(
191 new RasterBufferImpl(resource_provider_, resource));
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]192}
193
reveman47560ab2014-09-18 19:39:21[diff] [blame^]194void GpuRasterWorkerPool::ReleaseBufferForRaster(
195 scoped_ptr<RasterBuffer> buffer) {
196 // Nothing to do here. RasterBufferImpl destructor cleans up after itself.
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]197}
198
ernstm69fedbd2014-09-18 01:23:41[diff] [blame]199void GpuRasterWorkerPool::OnRasterFinished(TaskSet task_set) {
200 TRACE_EVENT1(
201 "cc", "GpuRasterWorkerPool::OnRasterFinished", "task_set", task_set);
reveman@chromium.orgec7541d2014-04-09 01:23:53[diff] [blame]202
ernstm69fedbd2014-09-18 01:23:41[diff] [blame]203 DCHECK(raster_pending_[task_set]);
204 raster_pending_[task_set] = false;
205 client_->DidFinishRunningTasks(task_set);
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]206}
207
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]208void GpuRasterWorkerPool::ScheduleRunTasksOnOriginThread() {
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]209 if (run_tasks_on_origin_thread_pending_)
210 return;
211
reveman@chromium.orgec7541d2014-04-09 01:23:53[diff] [blame]212 task_runner_->PostTask(
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]213 FROM_HERE,
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]214 base::Bind(&GpuRasterWorkerPool::RunTasksOnOriginThread,
reveman@chromium.orgec7541d2014-04-09 01:23:53[diff] [blame]215 weak_ptr_factory_.GetWeakPtr()));
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]216 run_tasks_on_origin_thread_pending_ = true;
217}
218
sohan.jyoti@samsung.come1878b52014-07-01 09:21:17[diff] [blame]219void GpuRasterWorkerPool::RunTasksOnOriginThread() {
220 TRACE_EVENT0("cc", "GpuRasterWorkerPool::RunTasksOnOriginThread");
alokp@chromium.org60c5096b2014-02-25 09:51:32[diff] [blame]221
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]222 DCHECK(run_tasks_on_origin_thread_pending_);
223 run_tasks_on_origin_thread_pending_ = false;
224
sohan.jyoti@samsung.com110fcc0e2014-07-16 15:52:47[diff] [blame]225 ScopedGpuRaster gpu_raster(context_provider_);
reveman@chromium.orga4c9e7e2014-04-23 06:12:18[diff] [blame]226 task_graph_runner_->RunUntilIdle();
reveman@chromium.orgb5641b92014-02-15 14:21:58[diff] [blame]227}
228
229} // namespace cc