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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #if defined(OS_WIN) | 5 #if defined(OS_WIN) |
6 #include <windows.h> | 6 #include <windows.h> |
7 #endif | 7 #endif |
8 | 8 |
9 #include "content/common/gpu/gpu_channel.h" | 9 #include "content/common/gpu/gpu_channel.h" |
10 | 10 |
11 #include <queue> | 11 #include <queue> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "base/bind.h" | 14 #include "base/bind.h" |
15 #include "base/command_line.h" | 15 #include "base/command_line.h" |
16 #include "base/debug/trace_event.h" | 16 #include "base/debug/trace_event.h" |
17 #include "base/message_loop/message_loop_proxy.h" | 17 #include "base/message_loop/message_loop_proxy.h" |
18 #include "base/strings/string_util.h" | 18 #include "base/strings/string_util.h" |
19 #include "base/timer/timer.h" | 19 #include "base/timer/timer.h" |
20 #include "content/common/gpu/devtools_gpu_agent.h" | 20 #include "content/common/gpu/devtools_gpu_agent.h" |
21 #include "content/common/gpu/gpu_channel_manager.h" | 21 #include "content/common/gpu/gpu_channel_manager.h" |
22 #include "content/common/gpu/gpu_messages.h" | 22 #include "content/common/gpu/gpu_messages.h" |
23 #include "content/common/gpu/sync_point_manager.h" | 23 #include "content/common/gpu/sync_point_manager.h" |
24 #include "content/public/common/content_switches.h" | 24 #include "content/public/common/content_switches.h" |
25 #include "gpu/command_buffer/common/mailbox.h" | 25 #include "gpu/command_buffer/common/mailbox.h" |
26 #include "gpu/command_buffer/service/gpu_scheduler.h" | 26 #include "gpu/command_buffer/service/gpu_scheduler.h" |
27 #include "gpu/command_buffer/service/image_manager.h" | 27 #include "gpu/command_buffer/service/image_manager.h" |
28 #include "gpu/command_buffer/service/mailbox_manager.h" | 28 #include "gpu/command_buffer/service/mailbox_manager.h" |
29 #include "ipc/ipc_channel.h" | 29 #include "ipc/ipc_channel.h" |
30 #include "ipc/ipc_channel_proxy.h" | 30 #include "ipc/message_filter.h" |
31 #include "ui/gl/gl_context.h" | 31 #include "ui/gl/gl_context.h" |
32 #include "ui/gl/gl_image.h" | 32 #include "ui/gl/gl_image.h" |
33 #include "ui/gl/gl_surface.h" | 33 #include "ui/gl/gl_surface.h" |
34 | 34 |
35 #if defined(OS_POSIX) | 35 #if defined(OS_POSIX) |
36 #include "ipc/ipc_channel_posix.h" | 36 #include "ipc/ipc_channel_posix.h" |
37 #endif | 37 #endif |
38 | 38 |
39 namespace content { | 39 namespace content { |
40 namespace { | 40 namespace { |
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62 // - it counts and timestamps each message forwarded to the channel | 62 // - it counts and timestamps each message forwarded to the channel |
63 // so that we can preempt other channels if a message takes too long to | 63 // so that we can preempt other channels if a message takes too long to |
64 // process. To guarantee fairness, we must wait a minimum amount of time | 64 // process. To guarantee fairness, we must wait a minimum amount of time |
65 // before preempting and we limit the amount of time that we can preempt in | 65 // before preempting and we limit the amount of time that we can preempt in |
66 // one shot (see constants above). | 66 // one shot (see constants above). |
67 // - it handles the GpuCommandBufferMsg_InsertSyncPoint message on the IO | 67 // - it handles the GpuCommandBufferMsg_InsertSyncPoint message on the IO |
68 // thread, generating the sync point ID and responding immediately, and then | 68 // thread, generating the sync point ID and responding immediately, and then |
69 // posting a task to insert the GpuCommandBufferMsg_RetireSyncPoint message | 69 // posting a task to insert the GpuCommandBufferMsg_RetireSyncPoint message |
70 // into the channel's queue. | 70 // into the channel's queue. |
71 // - it generates mailbox names for clients of the GPU process on the IO thread. | 71 // - it generates mailbox names for clients of the GPU process on the IO thread. |
72 class GpuChannelMessageFilter : public IPC::ChannelProxy::MessageFilter { | 72 class GpuChannelMessageFilter : public IPC::MessageFilter { |
73 public: | 73 public: |
74 // Takes ownership of gpu_channel (see below). | 74 // Takes ownership of gpu_channel (see below). |
75 GpuChannelMessageFilter(base::WeakPtr<GpuChannel>* gpu_channel, | 75 GpuChannelMessageFilter(base::WeakPtr<GpuChannel>* gpu_channel, |
76 scoped_refptr<SyncPointManager> sync_point_manager, | 76 scoped_refptr<SyncPointManager> sync_point_manager, |
77 scoped_refptr<base::MessageLoopProxy> message_loop) | 77 scoped_refptr<base::MessageLoopProxy> message_loop) |
78 : preemption_state_(IDLE), | 78 : preemption_state_(IDLE), |
79 gpu_channel_(gpu_channel), | 79 gpu_channel_(gpu_channel), |
80 channel_(NULL), | 80 channel_(NULL), |
81 sync_point_manager_(sync_point_manager), | 81 sync_point_manager_(sync_point_manager), |
82 message_loop_(message_loop), | 82 message_loop_(message_loop), |
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838 messages_processed_)); | 838 messages_processed_)); |
839 } | 839 } |
840 } | 840 } |
841 | 841 |
842 void GpuChannel::CacheShader(const std::string& key, | 842 void GpuChannel::CacheShader(const std::string& key, |
843 const std::string& shader) { | 843 const std::string& shader) { |
844 gpu_channel_manager_->Send( | 844 gpu_channel_manager_->Send( |
845 new GpuHostMsg_CacheShader(client_id_, key, shader)); | 845 new GpuHostMsg_CacheShader(client_id_, key, shader)); |
846 } | 846 } |
847 | 847 |
848 void GpuChannel::AddFilter(IPC::ChannelProxy::MessageFilter* filter) { | 848 void GpuChannel::AddFilter(IPC::MessageFilter* filter) { |
849 channel_->AddFilter(filter); | 849 channel_->AddFilter(filter); |
850 } | 850 } |
851 | 851 |
852 void GpuChannel::RemoveFilter(IPC::ChannelProxy::MessageFilter* filter) { | 852 void GpuChannel::RemoveFilter(IPC::MessageFilter* filter) { |
853 channel_->RemoveFilter(filter); | 853 channel_->RemoveFilter(filter); |
854 } | 854 } |
855 | 855 |
856 uint64 GpuChannel::GetMemoryUsage() { | 856 uint64 GpuChannel::GetMemoryUsage() { |
857 uint64 size = 0; | 857 uint64 size = 0; |
858 for (StubMap::Iterator<GpuCommandBufferStub> it(&stubs_); | 858 for (StubMap::Iterator<GpuCommandBufferStub> it(&stubs_); |
859 !it.IsAtEnd(); it.Advance()) { | 859 !it.IsAtEnd(); it.Advance()) { |
860 size += it.GetCurrentValue()->GetMemoryUsage(); | 860 size += it.GetCurrentValue()->GetMemoryUsage(); |
861 } | 861 } |
862 return size; | 862 return size; |
863 } | 863 } |
864 | 864 |
865 } // namespace content | 865 } // namespace content |
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