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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 "ui/gl/gl_context.h" | 5 #include "ui/gl/gl_context.h" |
6 | 6 |
7 #include "base/android/sys_utils.h" | |
8 #include "base/logging.h" | 7 #include "base/logging.h" |
9 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
10 #include "base/sys_info.h" | 9 #include "base/sys_info.h" |
| 10 #include "base/sys_utils.h" |
11 #include "ui/gl/gl_bindings.h" | 11 #include "ui/gl/gl_bindings.h" |
12 #include "ui/gl/gl_context_egl.h" | 12 #include "ui/gl/gl_context_egl.h" |
13 #include "ui/gl/gl_context_stub.h" | 13 #include "ui/gl/gl_context_stub.h" |
14 #include "ui/gl/gl_implementation.h" | 14 #include "ui/gl/gl_implementation.h" |
15 #include "ui/gl/gl_surface.h" | 15 #include "ui/gl/gl_surface.h" |
16 | 16 |
17 namespace gfx { | 17 namespace gfx { |
18 | 18 |
19 namespace { | 19 namespace { |
20 | 20 |
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108 // Now we take a default of 1/8th of memory on high-memory devices, | 108 // Now we take a default of 1/8th of memory on high-memory devices, |
109 // and gradually scale that back for low-memory devices (to be nicer | 109 // and gradually scale that back for low-memory devices (to be nicer |
110 // to other apps so they don't get killed). Examples: | 110 // to other apps so they don't get killed). Examples: |
111 // Nexus 4/10(2GB) 256MB | 111 // Nexus 4/10(2GB) 256MB |
112 // Droid Razr M(1GB) 91MB | 112 // Droid Razr M(1GB) 91MB |
113 // Galaxy Nexus(1GB) 85MB | 113 // Galaxy Nexus(1GB) 85MB |
114 // Xoom(1GB) 85MB | 114 // Xoom(1GB) 85MB |
115 // Nexus S(low-end) 8MB | 115 // Nexus S(low-end) 8MB |
116 static size_t limit_bytes = 0; | 116 static size_t limit_bytes = 0; |
117 if (limit_bytes == 0) { | 117 if (limit_bytes == 0) { |
118 if (!base::android::SysUtils::IsLowEndDevice()) { | 118 if (!base::SysUtils::IsLowEndDevice()) { |
119 if (physical_memory_mb >= 1536) | 119 if (physical_memory_mb >= 1536) |
120 limit_bytes = physical_memory_mb / 8; | 120 limit_bytes = physical_memory_mb / 8; |
121 else if (physical_memory_mb >= 1152) | 121 else if (physical_memory_mb >= 1152) |
122 limit_bytes = physical_memory_mb / 10; | 122 limit_bytes = physical_memory_mb / 10; |
123 else if (physical_memory_mb >= 768) | 123 else if (physical_memory_mb >= 768) |
124 limit_bytes = physical_memory_mb / 12; | 124 limit_bytes = physical_memory_mb / 12; |
125 else | 125 else |
126 limit_bytes = physical_memory_mb / 16; | 126 limit_bytes = physical_memory_mb / 16; |
127 } else { | 127 } else { |
128 // Low-end devices have 512MB or less memory by definition | 128 // Low-end devices have 512MB or less memory by definition |
129 // so we hard code the limit rather than relying on the heuristics | 129 // so we hard code the limit rather than relying on the heuristics |
130 // above. Low-end devices use 4444 textures so we can use a lower limit. | 130 // above. Low-end devices use 4444 textures so we can use a lower limit. |
131 limit_bytes = 8; | 131 limit_bytes = 8; |
132 } | 132 } |
133 limit_bytes = limit_bytes * 1024 * 1024; | 133 limit_bytes = limit_bytes * 1024 * 1024; |
134 } | 134 } |
135 *bytes = limit_bytes; | 135 *bytes = limit_bytes; |
136 return true; | 136 return true; |
137 } | 137 } |
138 | 138 |
139 } | 139 } |
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