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Issue 1951193002: cc: Add mailbox support to ResourceProvider write locks. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@worker_context_stream
Patch Set: vmpstr's review Created 4 years, 6 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "cc/raster/gpu_raster_buffer_provider.h" 5 #include "cc/raster/gpu_raster_buffer_provider.h"
6 6
7 #include <stdint.h> 7 #include <stdint.h>
8 8
9 #include <algorithm> 9 #include <algorithm>
10 10
11 #include "base/macros.h" 11 #include "base/macros.h"
12 #include "base/memory/ptr_util.h" 12 #include "base/memory/ptr_util.h"
13 #include "base/trace_event/trace_event.h" 13 #include "base/trace_event/trace_event.h"
14 #include "cc/playback/raster_source.h" 14 #include "cc/playback/raster_source.h"
15 #include "cc/raster/gpu_rasterizer.h"
16 #include "cc/raster/scoped_gpu_raster.h" 15 #include "cc/raster/scoped_gpu_raster.h"
17 #include "cc/resources/resource.h" 16 #include "cc/resources/resource.h"
18 #include "gpu/command_buffer/client/gles2_interface.h" 17 #include "gpu/command_buffer/client/gles2_interface.h"
19 #include "third_party/skia/include/core/SkMultiPictureDraw.h" 18 #include "third_party/skia/include/core/SkMultiPictureDraw.h"
20 #include "third_party/skia/include/core/SkPictureRecorder.h" 19 #include "third_party/skia/include/core/SkPictureRecorder.h"
21 #include "third_party/skia/include/core/SkSurface.h" 20 #include "third_party/skia/include/core/SkSurface.h"
22 #include "third_party/skia/include/gpu/GrContext.h" 21 #include "third_party/skia/include/gpu/GrContext.h"
23 22
24 namespace cc { 23 namespace cc {
25 namespace { 24 namespace {
26 25
27 class RasterBufferImpl : public RasterBuffer { 26 static sk_sp<SkPicture> PlaybackToPicture(
28 public: 27 const RasterSource* raster_source,
29 RasterBufferImpl(GpuRasterizer* rasterizer, 28 bool resource_has_previous_content,
30 const Resource* resource, 29 const gfx::Size& resource_size,
31 uint64_t resource_content_id, 30 const gfx::Rect& raster_full_rect,
32 uint64_t previous_content_id) 31 const gfx::Rect& raster_dirty_rect,
33 : rasterizer_(rasterizer), 32 float scale,
34 lock_(rasterizer->resource_provider(), resource->id()), 33 const RasterSource::PlaybackSettings& playback_settings) {
35 resource_has_previous_content_( 34 // GPU raster doesn't do low res tiles, so should always include images.
36 resource_content_id && resource_content_id == previous_content_id) { 35 DCHECK(!playback_settings.skip_images);
36
37 gfx::Rect playback_rect = raster_full_rect;
38 if (resource_has_previous_content) {
39 playback_rect.Intersect(raster_dirty_rect);
37 } 40 }
41 DCHECK(!playback_rect.IsEmpty())
42 << "Why are we rastering a tile that's not dirty?";
38 43
39 // Overridden from RasterBuffer: 44 // Play back raster_source into temp SkPicture.
40 void Playback( 45 SkPictureRecorder recorder;
41 const RasterSource* raster_source, 46 const int flags = SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag;
42 const gfx::Rect& raster_full_rect, 47 sk_sp<SkCanvas> canvas = sk_ref_sp(recorder.beginRecording(
43 const gfx::Rect& raster_dirty_rect, 48 resource_size.width(), resource_size.height(), NULL, flags));
44 uint64_t new_content_id, 49 canvas->save();
45 float scale, 50 raster_source->PlaybackToCanvas(canvas.get(), raster_full_rect, playback_rect,
46 const RasterSource::PlaybackSettings& playback_settings) override { 51 scale, playback_settings);
47 TRACE_EVENT0("cc", "GpuRasterBuffer::Playback"); 52 canvas->restore();
48 // GPU raster doesn't do low res tiles, so should always include images. 53 return recorder.finishRecordingAsPicture();
49 DCHECK(!playback_settings.skip_images); 54 }
50 55
51 ContextProvider::ScopedContextLock scoped_context( 56 static void RasterizePicture(SkPicture* picture,
52 rasterizer_->worker_context_provider()); 57 ContextProvider* context_provider,
58 ResourceProvider::ScopedWriteLockGL* resource_lock,
59 bool async_worker_context_enabled,
60 bool use_distance_field_text,
61 bool can_use_lcd_text,
62 int msaa_sample_count) {
63 ScopedGpuRaster gpu_raster(context_provider);
53 64
54 gfx::Rect playback_rect = raster_full_rect; 65 ResourceProvider::ScopedSkSurfaceProvider scoped_surface(
55 if (resource_has_previous_content_) { 66 context_provider, resource_lock, async_worker_context_enabled,
56 playback_rect.Intersect(raster_dirty_rect); 67 use_distance_field_text, can_use_lcd_text, msaa_sample_count);
57 } 68 SkSurface* sk_surface = scoped_surface.sk_surface();
58 DCHECK(!playback_rect.IsEmpty()) 69 // Allocating an SkSurface will fail after a lost context. Pretend we
59 << "Why are we rastering a tile that's not dirty?"; 70 // rasterized, as the contents of the resource don't matter anymore.
71 if (!sk_surface)
72 return;
60 73
61 // TODO(danakj): Implement partial raster with raster_dirty_rect. 74 SkMultiPictureDraw multi_picture_draw;
62 // Rasterize source into resource. 75 multi_picture_draw.add(sk_surface->getCanvas(), picture);
63 rasterizer_->RasterizeSource(&lock_, raster_source, raster_full_rect, 76 multi_picture_draw.draw(false);
64 playback_rect, scale, playback_settings); 77 }
65
66 gpu::gles2::GLES2Interface* gl = scoped_context.ContextGL();
67 const uint64_t fence_sync = gl->InsertFenceSyncCHROMIUM();
68
69 // Barrier to sync worker context output to cc context.
70 gl->OrderingBarrierCHROMIUM();
71
72 // Generate sync token after the barrier for cross context synchronization.
73 gpu::SyncToken sync_token;
74 gl->GenUnverifiedSyncTokenCHROMIUM(fence_sync, sync_token.GetData());
75 lock_.UpdateResourceSyncToken(sync_token);
76 }
77
78 private:
79 GpuRasterizer* rasterizer_;
80 ResourceProvider::ScopedWriteLockGr lock_;
81 bool resource_has_previous_content_;
82
83 DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl);
84 };
85 78
86 } // namespace 79 } // namespace
87 80
81 GpuRasterBufferProvider::RasterBufferImpl::RasterBufferImpl(
82 GpuRasterBufferProvider* client,
83 ResourceProvider* resource_provider,
84 ResourceId resource_id,
85 bool async_worker_context_enabled,
86 bool resource_has_previous_content)
87 : client_(client),
88 lock_(resource_provider, resource_id, async_worker_context_enabled),
89 resource_has_previous_content_(resource_has_previous_content) {
90 client_->pending_raster_buffers_.insert(this);
91 }
92
93 GpuRasterBufferProvider::RasterBufferImpl::~RasterBufferImpl() {
94 client_->pending_raster_buffers_.erase(this);
95 }
96
97 void GpuRasterBufferProvider::RasterBufferImpl::Playback(
98 const RasterSource* raster_source,
99 const gfx::Rect& raster_full_rect,
100 const gfx::Rect& raster_dirty_rect,
101 uint64_t new_content_id,
102 float scale,
103 const RasterSource::PlaybackSettings& playback_settings) {
104 TRACE_EVENT0("cc", "GpuRasterBuffer::Playback");
105 client_->PlaybackOnWorkerThread(&lock_, sync_token_,
106 resource_has_previous_content_, raster_source,
107 raster_full_rect, raster_dirty_rect,
108 new_content_id, scale, playback_settings);
109 }
110
88 GpuRasterBufferProvider::GpuRasterBufferProvider( 111 GpuRasterBufferProvider::GpuRasterBufferProvider(
89 ContextProvider* compositor_context_provider, 112 ContextProvider* compositor_context_provider,
90 ContextProvider* worker_context_provider, 113 ContextProvider* worker_context_provider,
91 ResourceProvider* resource_provider, 114 ResourceProvider* resource_provider,
92 bool use_distance_field_text, 115 bool use_distance_field_text,
93 int gpu_rasterization_msaa_sample_count) 116 int gpu_rasterization_msaa_sample_count,
117 bool async_worker_context_enabled)
94 : compositor_context_provider_(compositor_context_provider), 118 : compositor_context_provider_(compositor_context_provider),
95 rasterizer_(new GpuRasterizer(worker_context_provider, 119 worker_context_provider_(worker_context_provider),
96 resource_provider, 120 resource_provider_(resource_provider),
97 use_distance_field_text, 121 use_distance_field_text_(use_distance_field_text),
98 gpu_rasterization_msaa_sample_count)) { 122 msaa_sample_count_(gpu_rasterization_msaa_sample_count),
99 DCHECK(compositor_context_provider_); 123 async_worker_context_enabled_(async_worker_context_enabled) {
124 DCHECK(compositor_context_provider);
125 DCHECK(worker_context_provider);
100 } 126 }
101 127
102 GpuRasterBufferProvider::~GpuRasterBufferProvider() {} 128 GpuRasterBufferProvider::~GpuRasterBufferProvider() {
129 DCHECK(pending_raster_buffers_.empty());
130 }
103 131
104 std::unique_ptr<RasterBuffer> GpuRasterBufferProvider::AcquireBufferForRaster( 132 std::unique_ptr<RasterBuffer> GpuRasterBufferProvider::AcquireBufferForRaster(
105 const Resource* resource, 133 const Resource* resource,
106 uint64_t resource_content_id, 134 uint64_t resource_content_id,
107 uint64_t previous_content_id) { 135 uint64_t previous_content_id) {
108 return std::unique_ptr<RasterBuffer>(new RasterBufferImpl( 136 bool resource_has_previous_content =
109 rasterizer_.get(), resource, resource_content_id, previous_content_id)); 137 resource_content_id && resource_content_id == previous_content_id;
138 return base::WrapUnique(new RasterBufferImpl(
139 this, resource_provider_, resource->id(), async_worker_context_enabled_,
140 resource_has_previous_content));
110 } 141 }
111 142
112 void GpuRasterBufferProvider::ReleaseBufferForRaster( 143 void GpuRasterBufferProvider::ReleaseBufferForRaster(
113 std::unique_ptr<RasterBuffer> buffer) { 144 std::unique_ptr<RasterBuffer> buffer) {
114 // Nothing to do here. RasterBufferImpl destructor cleans up after itself. 145 // Nothing to do here. RasterBufferImpl destructor cleans up after itself.
115 } 146 }
116 147
117 void GpuRasterBufferProvider::OrderingBarrier() { 148 bool GpuRasterBufferProvider::OrderingBarrier() {
118 TRACE_EVENT0("cc", "GpuRasterBufferProvider::OrderingBarrier"); 149 TRACE_EVENT0("cc", "GpuRasterBufferProvider::OrderingBarrier");
119 compositor_context_provider_->ContextGL()->OrderingBarrierCHROMIUM(); 150
151 gpu::gles2::GLES2Interface* gl = compositor_context_provider_->ContextGL();
152 GLuint64 fence = gl->InsertFenceSyncCHROMIUM();
153 gl->OrderingBarrierCHROMIUM();
154
155 gpu::SyncToken sync_token;
156 gl->GenUnverifiedSyncTokenCHROMIUM(fence, sync_token.GetData());
157
158 for (RasterBufferImpl* buffer : pending_raster_buffers_)
159 buffer->set_sync_token(sync_token);
160 pending_raster_buffers_.clear();
161
162 DCHECK(sync_token.HasData() ||
163 gl->GetGraphicsResetStatusKHR() != GL_NO_ERROR);
164 // Do not proceed with ScheduleTasks if sync token was invalid.
165 return sync_token.HasData();
120 } 166 }
121 167
122 ResourceFormat GpuRasterBufferProvider::GetResourceFormat( 168 ResourceFormat GpuRasterBufferProvider::GetResourceFormat(
123 bool must_support_alpha) const { 169 bool must_support_alpha) const {
124 return rasterizer_->resource_provider()->best_render_buffer_format(); 170 return resource_provider_->best_render_buffer_format();
125 } 171 }
126 172
127 bool GpuRasterBufferProvider::GetResourceRequiresSwizzle( 173 bool GpuRasterBufferProvider::GetResourceRequiresSwizzle(
128 bool must_support_alpha) const { 174 bool must_support_alpha) const {
129 // This doesn't require a swizzle because we rasterize to the correct format. 175 // This doesn't require a swizzle because we rasterize to the correct format.
130 return false; 176 return false;
131 } 177 }
132 178
133 void GpuRasterBufferProvider::Shutdown() {} 179 void GpuRasterBufferProvider::Shutdown() {
180 pending_raster_buffers_.clear();
181 }
182
183 void GpuRasterBufferProvider::PlaybackOnWorkerThread(
184 ResourceProvider::ScopedWriteLockGL* resource_lock,
185 const gpu::SyncToken& sync_token,
186 bool resource_has_previous_content,
187 const RasterSource* raster_source,
188 const gfx::Rect& raster_full_rect,
189 const gfx::Rect& raster_dirty_rect,
190 uint64_t new_content_id,
191 float scale,
192 const RasterSource::PlaybackSettings& playback_settings) {
193 ContextProvider::ScopedContextLock scoped_context(worker_context_provider_);
194 gpu::gles2::GLES2Interface* gl = scoped_context.ContextGL();
195
196 // Synchronize with compositor.
197 DCHECK(sync_token.HasData());
198 gl->WaitSyncTokenCHROMIUM(sync_token.GetConstData());
199
200 sk_sp<SkPicture> picture = PlaybackToPicture(
201 raster_source, resource_has_previous_content, resource_lock->size(),
202 raster_full_rect, raster_dirty_rect, scale, playback_settings);
203
204 // Turn on distance fields for layers that have ever animated.
205 bool use_distance_field_text =
206 use_distance_field_text_ ||
207 raster_source->ShouldAttemptToUseDistanceFieldText();
208
209 RasterizePicture(picture.get(), worker_context_provider_, resource_lock,
210 async_worker_context_enabled_, use_distance_field_text,
211 raster_source->CanUseLCDText(), msaa_sample_count_);
212
213 const uint64_t fence_sync = gl->InsertFenceSyncCHROMIUM();
214
215 // Barrier to sync worker context output to cc context.
216 gl->OrderingBarrierCHROMIUM();
217
218 // Generate sync token after the barrier for cross context synchronization.
219 gpu::SyncToken resource_sync_token;
220 gl->GenUnverifiedSyncTokenCHROMIUM(fence_sync, resource_sync_token.GetData());
221 resource_lock->set_sync_token(resource_sync_token);
222 resource_lock->set_synchronized(!async_worker_context_enabled_);
223 }
134 224
135 } // namespace cc 225 } // namespace cc
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