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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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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 |
97 } // namespace | 98 } // namespace |
98 | 99 |
99 GLSurfaceEGL::GLSurfaceEGL() {} | 100 GLSurfaceEGL::GLSurfaceEGL() {} |
100 | 101 |
102 static bool ValidateEglConfig(EGLDisplay display, | |
103 const EGLint* config_attribs, | |
104 EGLint* num_configs) { | |
no sievers
2014/01/23 18:16:18
Can you put this in the anonymous namespace above?
sivag
2014/01/24 06:25:17
Done.
| |
105 if (!eglChooseConfig(display, | |
106 config_attribs, | |
107 NULL, | |
108 0, | |
109 num_configs)) { | |
110 LOG(ERROR) << "eglChooseConfig failed with error " | |
111 << GetLastEGLErrorString(); | |
112 return false; | |
113 } | |
114 if (*num_configs == 0) { | |
115 LOG(ERROR) << "No suitable EGL configs found."; | |
116 return false; | |
117 } | |
118 return true; | |
119 } | |
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) |
107 g_native_display = base::MessagePumpForUI::GetDefaultXDisplay(); | 127 g_native_display = base::MessagePumpForUI::GetDefaultXDisplay(); |
108 #elif defined(OS_WIN) | 128 #elif defined(OS_WIN) |
109 g_native_display = EGL_DEFAULT_DISPLAY; | 129 g_native_display = EGL_DEFAULT_DISPLAY; |
110 if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableD3D11) && | 130 if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableD3D11) && |
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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 bool config_status = ValidateEglConfig(g_display, | |
202 config_attribs, | |
203 &num_configs); | |
no sievers
2014/01/23 18:16:18
nit: if (!ValidateEglConfig(...))
return f
sivag
2014/01/24 06:25:17
Done.
| |
204 if(!config_status){ | |
205 return false; | |
206 } | |
207 | |
208 #if defined(OS_ANDROID) | |
209 scoped_ptr<EGLConfig[]> matching_configs(new EGLConfig[num_configs]); | |
210 if (base::android::SysUtils::IsLowEndDevice()) { | |
211 config_size = num_configs; | |
212 config_data = matching_configs.get(); | |
213 } | |
214 #endif | |
215 | |
159 if (!eglChooseConfig(g_display, | 216 if (!eglChooseConfig(g_display, |
160 config_attribs, | 217 config_attribs, |
161 NULL, | 218 config_data, |
162 0, | 219 config_size, |
163 &num_configs)) { | 220 &num_configs)) { |
164 LOG(ERROR) << "eglChooseConfig failed with error " | 221 LOG(ERROR) << "eglChooseConfig failed with error " |
165 << GetLastEGLErrorString(); | 222 << GetLastEGLErrorString(); |
166 return false; | 223 return false; |
167 } | 224 } |
168 | 225 |
169 if (num_configs == 0) { | 226 #if defined(OS_ANDROID) |
170 LOG(ERROR) << "No suitable EGL configs found."; | 227 if (base::android::SysUtils::IsLowEndDevice()) { |
171 return false; | 228 // Because of the EGL config sort order, we have to iterate |
229 // through all of them (it'll put higher sum(R,G,B) bits | |
230 // first with the above attribs). | |
231 bool match_found = false; | |
232 for (int i = 0; i < num_configs; i++) { | |
233 EGLBoolean success; | |
234 EGLint red, green, blue, alpha; | |
235 // Read the relevent attributes of the EGLConfig. | |
236 success = eglGetConfigAttrib(g_display, matching_configs[i], | |
237 EGL_RED_SIZE, &red); | |
238 success &= eglGetConfigAttrib(g_display, matching_configs[i], | |
239 EGL_BLUE_SIZE, &blue); | |
240 success &= eglGetConfigAttrib(g_display, matching_configs[i], | |
241 EGL_GREEN_SIZE, &green); | |
242 success &= eglGetConfigAttrib(g_display, matching_configs[i], | |
243 EGL_ALPHA_SIZE, &alpha); | |
244 if ((success == EGL_TRUE) && (red == 5) && | |
245 (green == 6) && (blue == 5)) { | |
246 g_config = matching_configs[i]; | |
247 match_found = true; | |
248 break; | |
249 } | |
250 } | |
251 if (!match_found) { | |
252 // To fall back to default 32 bit format, choose with | |
253 // the right attributes again. | |
254 config_status = ValidateEglConfig(g_display, | |
255 config_attribs_8888, | |
256 &num_configs); | |
257 if (!config_status) { | |
no sievers
2014/01/23 18:16:18
nit: same here and no need for |config_status| var
sivag
2014/01/24 06:25:17
Done.
| |
258 return false; | |
259 } | |
260 if (!eglChooseConfig(g_display, | |
261 config_attribs_8888, | |
262 &g_config, | |
263 1, | |
264 &num_configs)) { | |
265 LOG(ERROR) << "eglChooseConfig failed with error " | |
266 << GetLastEGLErrorString(); | |
267 return false; | |
268 } | |
269 } | |
172 } | 270 } |
173 | 271 |
174 if (!eglChooseConfig(g_display, | 272 #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 | 273 |
184 g_egl_extensions = eglQueryString(g_display, EGL_EXTENSIONS); | 274 g_egl_extensions = eglQueryString(g_display, EGL_EXTENSIONS); |
185 g_egl_create_context_robustness_supported = | 275 g_egl_create_context_robustness_supported = |
186 HasEGLExtension("EGL_EXT_create_context_robustness"); | 276 HasEGLExtension("EGL_EXT_create_context_robustness"); |
187 g_egl_sync_control_supported = | 277 g_egl_sync_control_supported = |
188 HasEGLExtension("EGL_CHROMIUM_sync_control"); | 278 HasEGLExtension("EGL_CHROMIUM_sync_control"); |
189 | 279 |
190 // Check if SurfacelessEGL is supported. | 280 // Check if SurfacelessEGL is supported. |
191 g_egl_surfaceless_context_supported = | 281 g_egl_surfaceless_context_supported = |
192 HasEGLExtension("EGL_KHR_surfaceless_context"); | 282 HasEGLExtension("EGL_KHR_surfaceless_context"); |
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766 } | 856 } |
767 default: | 857 default: |
768 NOTREACHED(); | 858 NOTREACHED(); |
769 return NULL; | 859 return NULL; |
770 } | 860 } |
771 } | 861 } |
772 | 862 |
773 #endif | 863 #endif |
774 | 864 |
775 } // namespace gfx | 865 } // namespace gfx |
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