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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 // This file contains the implementation of the command parser. | 5 // This file contains the implementation of the command parser. |
6 | 6 |
7 #include "gpu/command_buffer/service/cmd_parser.h" | 7 #include "gpu/command_buffer/service/cmd_parser.h" |
8 | 8 |
9 namespace gpu { | 9 namespace gpu { |
10 | 10 |
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51 } | 51 } |
52 | 52 |
53 error::Error result = handler_->DoCommand( | 53 error::Error result = handler_->DoCommand( |
54 header.command, header.size - 1, buffer_ + get); | 54 header.command, header.size - 1, buffer_ + get); |
55 // TODO(gman): If you want to log errors this is the best place to catch them. | 55 // TODO(gman): If you want to log errors this is the best place to catch them. |
56 // It seems like we need an official way to turn on a debug mode and | 56 // It seems like we need an official way to turn on a debug mode and |
57 // get these errors. | 57 // get these errors. |
58 if (result != error::kNoError) { | 58 if (result != error::kNoError) { |
59 ReportError(header.command, result); | 59 ReportError(header.command, result); |
60 } | 60 } |
61 get_ = (get + header.size) % entry_count_; | 61 |
| 62 // If get was not set somewhere else advance it. |
| 63 if (get == get_) { |
| 64 get_ = (get + header.size) % entry_count_; |
| 65 } |
62 return result; | 66 return result; |
63 } | 67 } |
64 | 68 |
65 void CommandParser::ReportError(unsigned int command_id, | 69 void CommandParser::ReportError(unsigned int command_id, |
66 error::Error result) { | 70 error::Error result) { |
67 DLOG(INFO) << "Error: " << result << " for Command " | 71 DLOG(INFO) << "Error: " << result << " for Command " |
68 << handler_->GetCommandName(command_id); | 72 << handler_->GetCommandName(command_id); |
69 } | 73 } |
70 | 74 |
71 // Processes all the commands, while the buffer is not empty. Stop if an error | 75 // Processes all the commands, while the buffer is not empty. Stop if an error |
72 // is encountered. | 76 // is encountered. |
73 error::Error CommandParser::ProcessAllCommands() { | 77 error::Error CommandParser::ProcessAllCommands() { |
74 while (!IsEmpty()) { | 78 while (!IsEmpty()) { |
75 error::Error error = ProcessCommand(); | 79 error::Error error = ProcessCommand(); |
76 if (error) return error; | 80 if (error) return error; |
77 } | 81 } |
78 return error::kNoError; | 82 return error::kNoError; |
79 } | 83 } |
80 | 84 |
81 } // namespace gpu | 85 } // namespace gpu |
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