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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 "content/common/gpu/client/context_provider_command_buffer.h" | 5 #include "content/common/gpu/client/context_provider_command_buffer.h" |
| 6 | 6 |
| 7 #include <stddef.h> | 7 #include <stddef.h> |
| 8 | 8 |
| 9 #include <memory> | 9 #include <memory> |
| 10 #include <set> | 10 #include <set> |
| 11 #include <utility> | 11 #include <utility> |
| 12 #include <vector> | 12 #include <vector> |
| 13 | 13 |
| 14 #include "base/callback_helpers.h" | 14 #include "base/callback_helpers.h" |
| 15 #include "base/command_line.h" | 15 #include "base/command_line.h" |
| 16 #include "base/strings/stringprintf.h" | 16 #include "base/strings/stringprintf.h" |
| 17 #include "cc/output/managed_memory_policy.h" | 17 #include "cc/output/managed_memory_policy.h" |
| 18 #include "content/common/gpu/client/command_buffer_metrics.h" |
| 18 #include "gpu/command_buffer/client/gles2_implementation.h" | 19 #include "gpu/command_buffer/client/gles2_implementation.h" |
| 19 #include "gpu/command_buffer/client/gles2_trace_implementation.h" | 20 #include "gpu/command_buffer/client/gles2_trace_implementation.h" |
| 20 #include "gpu/command_buffer/client/gpu_switches.h" | 21 #include "gpu/command_buffer/client/gpu_switches.h" |
| 21 #include "gpu/skia_bindings/grcontext_for_gles2_interface.h" | 22 #include "gpu/skia_bindings/grcontext_for_gles2_interface.h" |
| 22 #include "third_party/skia/include/gpu/GrContext.h" | 23 #include "third_party/skia/include/gpu/GrContext.h" |
| 23 | 24 |
| 24 namespace content { | 25 namespace content { |
| 25 | 26 |
| 26 ContextProviderCommandBuffer::SharedProviders::SharedProviders() = default; | 27 ContextProviderCommandBuffer::SharedProviders::SharedProviders() = default; |
| 27 ContextProviderCommandBuffer::SharedProviders::~SharedProviders() = default; | 28 ContextProviderCommandBuffer::SharedProviders::~SharedProviders() = default; |
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| 41 | 42 |
| 42 void onContextLost() override { provider_->OnLostContext(); } | 43 void onContextLost() override { provider_->OnLostContext(); } |
| 43 | 44 |
| 44 private: | 45 private: |
| 45 ContextProviderCommandBuffer* provider_; | 46 ContextProviderCommandBuffer* provider_; |
| 46 }; | 47 }; |
| 47 | 48 |
| 48 ContextProviderCommandBuffer::ContextProviderCommandBuffer( | 49 ContextProviderCommandBuffer::ContextProviderCommandBuffer( |
| 49 std::unique_ptr<WebGraphicsContext3DCommandBufferImpl> context3d, | 50 std::unique_ptr<WebGraphicsContext3DCommandBufferImpl> context3d, |
| 50 const gpu::SharedMemoryLimits& memory_limits, | 51 const gpu::SharedMemoryLimits& memory_limits, |
| 52 const gpu::gles2::ContextCreationAttribHelper& attributes, |
| 51 ContextProviderCommandBuffer* shared_context_provider, | 53 ContextProviderCommandBuffer* shared_context_provider, |
| 52 CommandBufferContextType type) | 54 command_buffer_metrics::ContextType type) |
| 53 : shared_providers_(shared_context_provider | 55 : shared_providers_(shared_context_provider |
| 54 ? shared_context_provider->shared_providers_ | 56 ? shared_context_provider->shared_providers_ |
| 55 : new SharedProviders), | 57 : new SharedProviders), |
| 56 context3d_(std::move(context3d)), | 58 context3d_(std::move(context3d)), |
| 57 memory_limits_(memory_limits), | 59 memory_limits_(memory_limits), |
| 58 context_type_(type), | 60 attributes_(attributes), |
| 59 debug_name_(CommandBufferContextTypeToString(type)) { | 61 context_type_(type) { |
| 60 DCHECK(main_thread_checker_.CalledOnValidThread()); | 62 DCHECK(main_thread_checker_.CalledOnValidThread()); |
| 61 DCHECK(context3d_); | 63 DCHECK(context3d_); |
| 62 context_thread_checker_.DetachFromThread(); | 64 context_thread_checker_.DetachFromThread(); |
| 63 } | 65 } |
| 64 | 66 |
| 65 ContextProviderCommandBuffer::~ContextProviderCommandBuffer() { | 67 ContextProviderCommandBuffer::~ContextProviderCommandBuffer() { |
| 66 DCHECK(main_thread_checker_.CalledOnValidThread() || | 68 DCHECK(main_thread_checker_.CalledOnValidThread() || |
| 67 context_thread_checker_.CalledOnValidThread()); | 69 context_thread_checker_.CalledOnValidThread()); |
| 68 | 70 |
| 69 { | 71 { |
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| 90 return context3d_->GetCommandBufferProxy(); | 92 return context3d_->GetCommandBufferProxy(); |
| 91 } | 93 } |
| 92 | 94 |
| 93 bool ContextProviderCommandBuffer::BindToCurrentThread() { | 95 bool ContextProviderCommandBuffer::BindToCurrentThread() { |
| 94 // This is called on the thread the context will be used. | 96 // This is called on the thread the context will be used. |
| 95 DCHECK(context_thread_checker_.CalledOnValidThread()); | 97 DCHECK(context_thread_checker_.CalledOnValidThread()); |
| 96 | 98 |
| 97 if (lost_context_callback_proxy_) | 99 if (lost_context_callback_proxy_) |
| 98 return true; | 100 return true; |
| 99 | 101 |
| 100 context3d_->SetContextType(context_type_); | |
| 101 | |
| 102 // It's possible to be running BindToCurrentThread on two contexts | 102 // It's possible to be running BindToCurrentThread on two contexts |
| 103 // on different threads at the same time, but which will be in the same share | 103 // on different threads at the same time, but which will be in the same share |
| 104 // group. To ensure they end up in the same group, hold the lock on the | 104 // group. To ensure they end up in the same group, hold the lock on the |
| 105 // shared_providers_ (which they will share) after querying the group, until | 105 // shared_providers_ (which they will share) after querying the group, until |
| 106 // this context has been added to the list. | 106 // this context has been added to the list. |
| 107 { | 107 { |
| 108 ContextProviderCommandBuffer* shared_context_provider = nullptr; | 108 ContextProviderCommandBuffer* shared_context_provider = nullptr; |
| 109 gpu::CommandBufferProxyImpl* shared_command_buffer = nullptr; | 109 gpu::CommandBufferProxyImpl* shared_command_buffer = nullptr; |
| 110 scoped_refptr<gpu::gles2::ShareGroup> share_group; | 110 scoped_refptr<gpu::gles2::ShareGroup> share_group; |
| 111 | 111 |
| 112 base::AutoLock hold(shared_providers_->lock); | 112 base::AutoLock hold(shared_providers_->lock); |
| 113 | 113 |
| 114 if (!shared_providers_->list.empty()) { | 114 if (!shared_providers_->list.empty()) { |
| 115 shared_context_provider = shared_providers_->list.front(); | 115 shared_context_provider = shared_providers_->list.front(); |
| 116 shared_command_buffer = | 116 shared_command_buffer = |
| 117 shared_context_provider->context3d_->GetCommandBufferProxy(); | 117 shared_context_provider->context3d_->GetCommandBufferProxy(); |
| 118 share_group = shared_context_provider->context3d_->GetImplementation() | 118 share_group = shared_context_provider->context3d_->GetImplementation() |
| 119 ->share_group(); | 119 ->share_group(); |
| 120 } | 120 } |
| 121 | 121 |
| 122 if (!context3d_->InitializeOnCurrentThread( | 122 if (!context3d_->InitializeOnCurrentThread( |
| 123 memory_limits_, shared_command_buffer, std::move(share_group))) | 123 memory_limits_, shared_command_buffer, std::move(share_group), |
| 124 attributes_, context_type_)) |
| 124 return false; | 125 return false; |
| 125 | 126 |
| 126 // If any context in the share group has been lost, then abort and don't | 127 // If any context in the share group has been lost, then abort and don't |
| 127 // continue since we need to go back to the caller of the constructor to | 128 // continue since we need to go back to the caller of the constructor to |
| 128 // find the correct share group. | 129 // find the correct share group. |
| 129 // This may happen in between the share group being chosen at the | 130 // This may happen in between the share group being chosen at the |
| 130 // constructor, and getting to run this BindToCurrentThread method which | 131 // constructor, and getting to run this BindToCurrentThread method which |
| 131 // can be on some other thread. | 132 // can be on some other thread. |
| 132 // We intentionally call this *after* creating the command buffer via the | 133 // We intentionally call this *after* creating the command buffer via the |
| 133 // GpuChannelHost. Once that has happened, the service knows we are in the | 134 // GpuChannelHost. Once that has happened, the service knows we are in the |
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| 146 | 147 |
| 147 if (base::CommandLine::ForCurrentProcess()->HasSwitch( | 148 if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| 148 switches::kEnableGpuClientTracing)) { | 149 switches::kEnableGpuClientTracing)) { |
| 149 // This wraps the real GLES2Implementation and we should always use this | 150 // This wraps the real GLES2Implementation and we should always use this |
| 150 // instead when it's present. | 151 // instead when it's present. |
| 151 trace_impl_.reset(new gpu::gles2::GLES2TraceImplementation( | 152 trace_impl_.reset(new gpu::gles2::GLES2TraceImplementation( |
| 152 context3d_->GetImplementation())); | 153 context3d_->GetImplementation())); |
| 153 } | 154 } |
| 154 | 155 |
| 155 // Do this last once the context is set up. | 156 // Do this last once the context is set up. |
| 157 std::string type_name = |
| 158 command_buffer_metrics::ContextTypeToString(context_type_); |
| 156 std::string unique_context_name = | 159 std::string unique_context_name = |
| 157 base::StringPrintf("%s-%p", debug_name_.c_str(), context3d_.get()); | 160 base::StringPrintf("%s-%p", type_name.c_str(), context3d_.get()); |
| 158 ContextGL()->TraceBeginCHROMIUM("gpu_toplevel", unique_context_name.c_str()); | 161 ContextGL()->TraceBeginCHROMIUM("gpu_toplevel", unique_context_name.c_str()); |
| 159 return true; | 162 return true; |
| 160 } | 163 } |
| 161 | 164 |
| 162 void ContextProviderCommandBuffer::DetachFromThread() { | 165 void ContextProviderCommandBuffer::DetachFromThread() { |
| 163 context_thread_checker_.DetachFromThread(); | 166 context_thread_checker_.DetachFromThread(); |
| 164 } | 167 } |
| 165 | 168 |
| 166 gpu::gles2::GLES2Interface* ContextProviderCommandBuffer::ContextGL() { | 169 gpu::gles2::GLES2Interface* ContextProviderCommandBuffer::ContextGL() { |
| 167 DCHECK(context3d_); | 170 DCHECK(context3d_); |
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| 225 gr_context_->FreeGpuResources(); | 228 gr_context_->FreeGpuResources(); |
| 226 } | 229 } |
| 227 | 230 |
| 228 void ContextProviderCommandBuffer::OnLostContext() { | 231 void ContextProviderCommandBuffer::OnLostContext() { |
| 229 DCHECK(context_thread_checker_.CalledOnValidThread()); | 232 DCHECK(context_thread_checker_.CalledOnValidThread()); |
| 230 | 233 |
| 231 if (!lost_context_callback_.is_null()) | 234 if (!lost_context_callback_.is_null()) |
| 232 lost_context_callback_.Run(); | 235 lost_context_callback_.Run(); |
| 233 if (gr_context_) | 236 if (gr_context_) |
| 234 gr_context_->OnLostContext(); | 237 gr_context_->OnLostContext(); |
| 238 |
| 239 gpu::CommandBuffer::State state = GetCommandBufferProxy()->GetLastState(); |
| 240 command_buffer_metrics::UmaRecordContextLost(context_type_, state.error, |
| 241 state.context_lost_reason); |
| 235 } | 242 } |
| 236 | 243 |
| 237 void ContextProviderCommandBuffer::SetLostContextCallback( | 244 void ContextProviderCommandBuffer::SetLostContextCallback( |
| 238 const LostContextCallback& lost_context_callback) { | 245 const LostContextCallback& lost_context_callback) { |
| 239 DCHECK(context_thread_checker_.CalledOnValidThread()); | 246 DCHECK(context_thread_checker_.CalledOnValidThread()); |
| 240 DCHECK(lost_context_callback_.is_null() || | 247 DCHECK(lost_context_callback_.is_null() || |
| 241 lost_context_callback.is_null()); | 248 lost_context_callback.is_null()); |
| 242 lost_context_callback_ = lost_context_callback; | 249 lost_context_callback_ = lost_context_callback; |
| 243 } | 250 } |
| 244 | 251 |
| 245 } // namespace content | 252 } // namespace content |
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