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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 // This include must be here so that the includes provided transitively | 5 // This include must be here so that the includes provided transitively |
6 // by gl_surface_egl.h don't make it impossible to compile this code. | 6 // by gl_surface_egl.h don't make it impossible to compile this code. |
7 #include "third_party/mesa/src/include/GL/osmesa.h" | 7 #include "third_party/mesa/src/include/GL/osmesa.h" |
8 | 8 |
9 #include "ui/gl/gl_surface_egl.h" | 9 #include "ui/gl/gl_surface_egl.h" |
10 | 10 |
11 #if defined(OS_ANDROID) | 11 #if defined(OS_ANDROID) |
12 #include <android/native_window_jni.h> | 12 #include <android/native_window_jni.h> |
| 13 #include "base/android/sys_utils.h" |
13 #endif | 14 #endif |
14 | 15 |
15 #include "base/command_line.h" | 16 #include "base/command_line.h" |
16 #include "base/debug/trace_event.h" | 17 #include "base/debug/trace_event.h" |
17 #include "base/logging.h" | 18 #include "base/logging.h" |
18 #include "base/memory/scoped_ptr.h" | 19 #include "base/memory/scoped_ptr.h" |
19 #include "base/message_loop/message_loop.h" | 20 #include "base/message_loop/message_loop.h" |
20 #include "build/build_config.h" | 21 #include "build/build_config.h" |
21 #include "ui/gl/egl_util.h" | 22 #include "ui/gl/egl_util.h" |
22 #include "ui/gl/gl_context.h" | 23 #include "ui/gl/gl_context.h" |
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87 virtual bool GetMscRate(int32* numerator, int32* denominator) OVERRIDE { | 88 virtual bool GetMscRate(int32* numerator, int32* denominator) OVERRIDE { |
88 return false; | 89 return false; |
89 } | 90 } |
90 | 91 |
91 private: | 92 private: |
92 EGLSurface surface_; | 93 EGLSurface surface_; |
93 | 94 |
94 DISALLOW_COPY_AND_ASSIGN(EGLSyncControlVSyncProvider); | 95 DISALLOW_COPY_AND_ASSIGN(EGLSyncControlVSyncProvider); |
95 }; | 96 }; |
96 | 97 |
| 98 bool ValidateEglConfig(EGLDisplay display, |
| 99 const EGLint* config_attribs, |
| 100 EGLint* num_configs) { |
| 101 if (!eglChooseConfig(display, |
| 102 config_attribs, |
| 103 NULL, |
| 104 0, |
| 105 num_configs)) { |
| 106 LOG(ERROR) << "eglChooseConfig failed with error " |
| 107 << GetLastEGLErrorString(); |
| 108 return false; |
| 109 } |
| 110 if (*num_configs == 0) { |
| 111 LOG(ERROR) << "No suitable EGL configs found."; |
| 112 return false; |
| 113 } |
| 114 return true; |
| 115 } |
| 116 |
97 } // namespace | 117 } // namespace |
98 | 118 |
99 GLSurfaceEGL::GLSurfaceEGL() {} | 119 GLSurfaceEGL::GLSurfaceEGL() {} |
100 | 120 |
101 bool GLSurfaceEGL::InitializeOneOff() { | 121 bool GLSurfaceEGL::InitializeOneOff() { |
102 static bool initialized = false; | 122 static bool initialized = false; |
103 if (initialized) | 123 if (initialized) |
104 return true; | 124 return true; |
105 | 125 |
106 #if defined(USE_X11) | 126 #if defined(USE_X11) |
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130 return false; | 150 return false; |
131 } | 151 } |
132 | 152 |
133 if (!eglInitialize(g_display, NULL, NULL)) { | 153 if (!eglInitialize(g_display, NULL, NULL)) { |
134 LOG(ERROR) << "eglInitialize failed with error " << GetLastEGLErrorString(); | 154 LOG(ERROR) << "eglInitialize failed with error " << GetLastEGLErrorString(); |
135 return false; | 155 return false; |
136 } | 156 } |
137 | 157 |
138 // Choose an EGL configuration. | 158 // Choose an EGL configuration. |
139 // On X this is only used for PBuffer surfaces. | 159 // On X this is only used for PBuffer surfaces. |
140 static const EGLint kConfigAttribs[] = { | 160 static EGLint config_attribs_8888[] = { |
141 EGL_BUFFER_SIZE, 32, | 161 EGL_BUFFER_SIZE, 32, |
142 EGL_ALPHA_SIZE, 8, | 162 EGL_ALPHA_SIZE, 8, |
143 EGL_BLUE_SIZE, 8, | 163 EGL_BLUE_SIZE, 8, |
144 EGL_GREEN_SIZE, 8, | 164 EGL_GREEN_SIZE, 8, |
145 EGL_RED_SIZE, 8, | 165 EGL_RED_SIZE, 8, |
146 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, | 166 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
147 EGL_SURFACE_TYPE, EGL_WINDOW_BIT | EGL_PBUFFER_BIT, | 167 EGL_SURFACE_TYPE, EGL_WINDOW_BIT | EGL_PBUFFER_BIT, |
148 EGL_NONE | 168 EGL_NONE |
149 }; | 169 }; |
150 | 170 |
| 171 #if defined(OS_ANDROID) |
| 172 static EGLint config_attribs_565[] = { |
| 173 EGL_BUFFER_SIZE, 16, |
| 174 EGL_BLUE_SIZE, 5, |
| 175 EGL_GREEN_SIZE, 6, |
| 176 EGL_RED_SIZE, 5, |
| 177 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
| 178 EGL_SURFACE_TYPE, EGL_WINDOW_BIT | EGL_PBUFFER_BIT, |
| 179 EGL_NONE |
| 180 }; |
| 181 #endif |
| 182 EGLint* choose_attributes = config_attribs_8888; |
| 183 |
| 184 #if defined(OS_ANDROID) |
| 185 if (base::android::SysUtils::IsLowEndDevice()) { |
| 186 choose_attributes = config_attribs_565; |
| 187 } |
| 188 #endif |
| 189 |
151 #if defined(USE_OZONE) | 190 #if defined(USE_OZONE) |
152 const EGLint* config_attribs = | 191 const EGLint* config_attribs = |
153 surface_factory->GetEGLSurfaceProperties(kConfigAttribs); | 192 surface_factory->GetEGLSurfaceProperties(choose_attributes); |
154 #else | 193 #else |
155 const EGLint* config_attribs = kConfigAttribs; | 194 const EGLint* config_attribs = choose_attributes; |
156 #endif | 195 #endif |
157 | 196 |
158 EGLint num_configs; | 197 EGLint num_configs; |
| 198 EGLint config_size = 1; |
| 199 EGLConfig* config_data = &g_config; |
| 200 // Validate if there are any configs for given atrribs. |
| 201 if (!ValidateEglConfig(g_display, |
| 202 config_attribs, |
| 203 &num_configs)) { |
| 204 return false; |
| 205 } |
| 206 |
| 207 #if defined(OS_ANDROID) |
| 208 scoped_ptr<EGLConfig[]> matching_configs(new EGLConfig[num_configs]); |
| 209 if (base::android::SysUtils::IsLowEndDevice()) { |
| 210 config_size = num_configs; |
| 211 config_data = matching_configs.get(); |
| 212 } |
| 213 #endif |
| 214 |
159 if (!eglChooseConfig(g_display, | 215 if (!eglChooseConfig(g_display, |
160 config_attribs, | 216 config_attribs, |
161 NULL, | 217 config_data, |
162 0, | 218 config_size, |
163 &num_configs)) { | 219 &num_configs)) { |
164 LOG(ERROR) << "eglChooseConfig failed with error " | 220 LOG(ERROR) << "eglChooseConfig failed with error " |
165 << GetLastEGLErrorString(); | 221 << GetLastEGLErrorString(); |
166 return false; | 222 return false; |
167 } | 223 } |
168 | 224 |
169 if (num_configs == 0) { | 225 #if defined(OS_ANDROID) |
170 LOG(ERROR) << "No suitable EGL configs found."; | 226 if (base::android::SysUtils::IsLowEndDevice()) { |
171 return false; | 227 // Because of the EGL config sort order, we have to iterate |
| 228 // through all of them (it'll put higher sum(R,G,B) bits |
| 229 // first with the above attribs). |
| 230 bool match_found = false; |
| 231 for (int i = 0; i < num_configs; i++) { |
| 232 EGLBoolean success; |
| 233 EGLint red, green, blue; |
| 234 // Read the relevent attributes of the EGLConfig. |
| 235 success = eglGetConfigAttrib(g_display, matching_configs[i], |
| 236 EGL_RED_SIZE, &red); |
| 237 success &= eglGetConfigAttrib(g_display, matching_configs[i], |
| 238 EGL_BLUE_SIZE, &blue); |
| 239 success &= eglGetConfigAttrib(g_display, matching_configs[i], |
| 240 EGL_GREEN_SIZE, &green); |
| 241 if ((success == EGL_TRUE) && (red == 5) && |
| 242 (green == 6) && (blue == 5)) { |
| 243 g_config = matching_configs[i]; |
| 244 match_found = true; |
| 245 break; |
| 246 } |
| 247 } |
| 248 if (!match_found) { |
| 249 // To fall back to default 32 bit format, choose with |
| 250 // the right attributes again. |
| 251 if (!ValidateEglConfig(g_display, |
| 252 config_attribs_8888, |
| 253 &num_configs)) { |
| 254 return false; |
| 255 } |
| 256 if (!eglChooseConfig(g_display, |
| 257 config_attribs_8888, |
| 258 &g_config, |
| 259 1, |
| 260 &num_configs)) { |
| 261 LOG(ERROR) << "eglChooseConfig failed with error " |
| 262 << GetLastEGLErrorString(); |
| 263 return false; |
| 264 } |
| 265 } |
172 } | 266 } |
173 | 267 |
174 if (!eglChooseConfig(g_display, | 268 #endif |
175 config_attribs, | |
176 &g_config, | |
177 1, | |
178 &num_configs)) { | |
179 LOG(ERROR) << "eglChooseConfig failed with error " | |
180 << GetLastEGLErrorString(); | |
181 return false; | |
182 } | |
183 | 269 |
184 g_egl_extensions = eglQueryString(g_display, EGL_EXTENSIONS); | 270 g_egl_extensions = eglQueryString(g_display, EGL_EXTENSIONS); |
185 g_egl_create_context_robustness_supported = | 271 g_egl_create_context_robustness_supported = |
186 HasEGLExtension("EGL_EXT_create_context_robustness"); | 272 HasEGLExtension("EGL_EXT_create_context_robustness"); |
187 g_egl_sync_control_supported = | 273 g_egl_sync_control_supported = |
188 HasEGLExtension("EGL_CHROMIUM_sync_control"); | 274 HasEGLExtension("EGL_CHROMIUM_sync_control"); |
189 | 275 |
190 // Check if SurfacelessEGL is supported. | 276 // Check if SurfacelessEGL is supported. |
191 g_egl_surfaceless_context_supported = | 277 g_egl_surfaceless_context_supported = |
192 HasEGLExtension("EGL_KHR_surfaceless_context"); | 278 HasEGLExtension("EGL_KHR_surfaceless_context"); |
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766 } | 852 } |
767 default: | 853 default: |
768 NOTREACHED(); | 854 NOTREACHED(); |
769 return NULL; | 855 return NULL; |
770 } | 856 } |
771 } | 857 } |
772 | 858 |
773 #endif | 859 #endif |
774 | 860 |
775 } // namespace gfx | 861 } // namespace gfx |
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