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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 #include "cc/base/switches.h" | 5 #include "cc/base/switches.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/strings/string_number_conversions.h" | |
8 | 9 |
9 namespace cc { | 10 namespace cc { |
10 namespace switches { | 11 namespace switches { |
11 | 12 |
12 // On platforms where checkerboards are used, prefer background colors instead | 13 // On platforms where checkerboards are used, prefer background colors instead |
13 // of checkerboards. | 14 // of checkerboards. |
14 const char kBackgroundColorInsteadOfCheckerboard[] = | 15 const char kBackgroundColorInsteadOfCheckerboard[] = |
15 "background-color-instead-of-checkerboard"; | 16 "background-color-instead-of-checkerboard"; |
16 | 17 |
17 // Disables LCD text. | 18 // Disables LCD text. |
(...skipping 161 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
179 #else | 180 #else |
180 return false; | 181 return false; |
181 #endif | 182 #endif |
182 } | 183 } |
183 | 184 |
184 bool CheckGPURasterizationStatus() { | 185 bool CheckGPURasterizationStatus() { |
185 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); | 186 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); |
186 return command_line.HasSwitch(switches::kEnableGPURasterization); | 187 return command_line.HasSwitch(switches::kEnableGPURasterization); |
187 } | 188 } |
188 | 189 |
190 size_t CheckNumRasterThreads() { | |
191 const int kMinRasterThreads = 1; | |
192 const int kMaxRasterThreads = 64; | |
193 const int kDefaultNumRasterThreads = 1; | |
194 | |
195 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); | |
196 int num_threads = kDefaultNumRasterThreads; | |
reveman
2013/12/28 14:45:48
Please move this just above the "base::StringToInt
sohanjg
2013/12/30 06:49:36
Done.
| |
197 if (command_line.HasSwitch(switches::kNumRasterThreads)) { | |
198 std::string string_value = | |
199 command_line.GetSwitchValueASCII(switches::kNumRasterThreads); | |
200 if ((base::StringToInt(string_value, &num_threads) && | |
201 num_threads >= kMinRasterThreads && num_threads <= kMaxRasterThreads)) | |
202 return num_threads; | |
reveman
2013/12/28 14:45:48
nit: this line should be indented 2 spaces, not 4
sohanjg
2013/12/30 06:49:36
Done.
| |
203 LOG(WARNING) << "Failed to parse switch " << | |
reveman
2013/12/28 14:45:48
nit: maybe add a blank line between this and the a
sohanjg
2013/12/30 06:49:36
Done.
| |
204 switches::kNumRasterThreads << ": " << string_value; | |
205 } | |
206 return num_threads; | |
reveman
2013/12/28 14:45:48
nit: return kDefaultNumRasterThreads here instead
sohanjg
2013/12/30 06:49:36
Done.
| |
207 } | |
208 | |
189 } // namespace | 209 } // namespace |
190 | 210 |
191 bool IsImplSidePaintingEnabled() { | 211 bool IsImplSidePaintingEnabled() { |
192 static bool enabled = CheckImplSidePaintingStatus(); | 212 static bool enabled = CheckImplSidePaintingStatus(); |
193 return enabled; | 213 return enabled; |
194 } | 214 } |
195 | 215 |
196 bool IsGPURasterizationEnabled() { | 216 bool IsGPURasterizationEnabled() { |
197 static bool enabled = CheckGPURasterizationStatus(); | 217 static bool enabled = CheckGPURasterizationStatus(); |
198 return enabled; | 218 return enabled; |
199 } | 219 } |
200 | 220 |
201 bool IsMapImageEnabled() { | 221 bool IsMapImageEnabled() { |
202 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); | 222 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); |
203 | 223 |
204 if (command_line.HasSwitch(switches::kDisableMapImage)) | 224 if (command_line.HasSwitch(switches::kDisableMapImage)) |
205 return false; | 225 return false; |
206 else if (command_line.HasSwitch(switches::kEnableMapImage)) | 226 else if (command_line.HasSwitch(switches::kEnableMapImage)) |
207 return true; | 227 return true; |
208 | 228 |
209 return false; | 229 return false; |
210 } | 230 } |
211 | 231 |
232 size_t GetNumRasterThreads() { | |
233 static size_t num_raster_threads = CheckNumRasterThreads(); | |
reveman
2013/12/28 14:45:48
FYI, you'll have to update this if https://coderev
sohanjg
2013/12/30 06:49:36
OK.will take care of it, if that happens.
| |
234 return num_raster_threads; | |
235 } | |
236 | |
212 } // namespace switches | 237 } // namespace switches |
213 } // namespace cc | 238 } // namespace cc |
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