The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | ** Copyright 2007, The Android Open Source Project |
| 3 | ** |
| 4 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | ** you may not use this file except in compliance with the License. |
| 6 | ** You may obtain a copy of the License at |
| 7 | ** |
| 8 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | ** |
| 10 | ** Unless required by applicable law or agreed to in writing, software |
| 11 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | ** See the License for the specific language governing permissions and |
| 14 | ** limitations under the License. |
| 15 | */ |
| 16 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 17 | #include <ctype.h> |
Mathias Agopian | d8fb7b5 | 2009-05-17 18:50:16 -0700 | [diff] [blame] | 18 | #include <stdlib.h> |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 19 | #include <string.h> |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 20 | |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 21 | #include <hardware/gralloc.h> |
| 22 | #include <system/window.h> |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 23 | |
| 24 | #include <EGL/egl.h> |
| 25 | #include <EGL/eglext.h> |
| 26 | #include <GLES/gl.h> |
| 27 | #include <GLES/glext.h> |
| 28 | |
| 29 | #include <cutils/log.h> |
| 30 | #include <cutils/atomic.h> |
| 31 | #include <cutils/properties.h> |
| 32 | #include <cutils/memory.h> |
| 33 | |
Romain Guy | e03de93 | 2011-07-11 15:33:51 -0700 | [diff] [blame] | 34 | #include <utils/CallStack.h> |
Mathias Agopian | 2403533 | 2010-08-02 17:34:32 -0700 | [diff] [blame] | 35 | #include <utils/String8.h> |
Mathias Agopian | 9429e9c | 2009-08-21 02:18:25 -0700 | [diff] [blame] | 36 | |
Mathias Agopian | 1cadb25 | 2011-05-23 17:26:14 -0700 | [diff] [blame] | 37 | #include "egldefs.h" |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 38 | #include "egl_impl.h" |
David Li | 864f839 | 2011-03-28 10:39:28 -0700 | [diff] [blame] | 39 | #include "egl_tls.h" |
Siva Velusamy | 0469dd6 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 40 | #include "glestrace.h" |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 41 | #include "hooks.h" |
| 42 | #include "Loader.h" |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 44 | #include "egl_display.h" |
| 45 | #include "egl_object.h" |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 46 | |
| 47 | // ---------------------------------------------------------------------------- |
| 48 | namespace android { |
| 49 | // ---------------------------------------------------------------------------- |
| 50 | |
Mathias Agopian | ada798b | 2012-02-13 17:09:30 -0800 | [diff] [blame] | 51 | egl_connection_t gEGLImpl; |
| 52 | gl_hooks_t gHooks[2]; |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 53 | gl_hooks_t gHooksNoContext; |
| 54 | pthread_key_t gGLWrapperKey = -1; |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 55 | |
| 56 | // ---------------------------------------------------------------------------- |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 57 | |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 58 | #if EGL_TRACE |
| 59 | |
| 60 | EGLAPI pthread_key_t gGLTraceKey = -1; |
| 61 | |
| 62 | // ---------------------------------------------------------------------------- |
| 63 | |
Siva Velusamy | b13c78f | 2012-03-09 14:51:28 -0800 | [diff] [blame] | 64 | /** |
Romain Guy | 16928bf | 2012-10-18 16:16:10 -0700 | [diff] [blame] | 65 | * There are three different tracing methods: |
| 66 | * 1. libs/EGL/trace.cpp: Traces all functions to systrace. |
| 67 | * To enable: |
| 68 | * - set system property "debug.egl.trace" to "systrace" to trace all apps. |
| 69 | * 2. libs/EGL/trace.cpp: Logs a stack trace for GL errors after each function call. |
| 70 | * To enable: |
| 71 | * - set system property "debug.egl.trace" to "error" to trace all apps. |
| 72 | * 3. libs/EGL/trace.cpp: Traces all functions to logcat. |
Siva Velusamy | b13c78f | 2012-03-09 14:51:28 -0800 | [diff] [blame] | 73 | * To enable: |
| 74 | * - set system property "debug.egl.trace" to 1 to trace all apps. |
| 75 | * - or call setGLTraceLevel(1) from an app to enable tracing for that app. |
Romain Guy | 16928bf | 2012-10-18 16:16:10 -0700 | [diff] [blame] | 76 | * 4. libs/GLES_trace: Traces all functions via protobuf to host. |
Siva Velusamy | b13c78f | 2012-03-09 14:51:28 -0800 | [diff] [blame] | 77 | * To enable: |
| 78 | * - set system property "debug.egl.debug_proc" to the application name. |
| 79 | * - or call setGLDebugLevel(1) from the app. |
| 80 | */ |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 81 | static int sEGLTraceLevel; |
| 82 | static int sEGLApplicationTraceLevel; |
| 83 | |
Romain Guy | 16928bf | 2012-10-18 16:16:10 -0700 | [diff] [blame] | 84 | static bool sEGLSystraceEnabled; |
| 85 | static bool sEGLGetErrorEnabled; |
| 86 | |
Siva Velusamy | b13c78f | 2012-03-09 14:51:28 -0800 | [diff] [blame] | 87 | int gEGLDebugLevel; |
| 88 | static int sEGLApplicationDebugLevel; |
| 89 | |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 90 | extern gl_hooks_t gHooksTrace; |
Romain Guy | 16928bf | 2012-10-18 16:16:10 -0700 | [diff] [blame] | 91 | extern gl_hooks_t gHooksSystrace; |
| 92 | extern gl_hooks_t gHooksErrorTrace; |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 93 | |
| 94 | static inline void setGlTraceThreadSpecific(gl_hooks_t const *value) { |
| 95 | pthread_setspecific(gGLTraceKey, value); |
| 96 | } |
| 97 | |
| 98 | gl_hooks_t const* getGLTraceThreadSpecific() { |
| 99 | return static_cast<gl_hooks_t*>(pthread_getspecific(gGLTraceKey)); |
| 100 | } |
| 101 | |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 102 | void initEglTraceLevel() { |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 103 | char value[PROPERTY_VALUE_MAX]; |
| 104 | property_get("debug.egl.trace", value, "0"); |
Romain Guy | 16928bf | 2012-10-18 16:16:10 -0700 | [diff] [blame] | 105 | |
| 106 | sEGLGetErrorEnabled = !strcasecmp(value, "error"); |
| 107 | if (sEGLGetErrorEnabled) { |
| 108 | sEGLSystraceEnabled = false; |
| 109 | sEGLTraceLevel = 0; |
| 110 | return; |
| 111 | } |
| 112 | |
| 113 | sEGLSystraceEnabled = !strcasecmp(value, "systrace"); |
| 114 | if (sEGLSystraceEnabled) { |
| 115 | sEGLTraceLevel = 0; |
| 116 | return; |
| 117 | } |
| 118 | |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 119 | int propertyLevel = atoi(value); |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 120 | int applicationLevel = sEGLApplicationTraceLevel; |
| 121 | sEGLTraceLevel = propertyLevel > applicationLevel ? propertyLevel : applicationLevel; |
Siva Velusamy | b13c78f | 2012-03-09 14:51:28 -0800 | [diff] [blame] | 122 | } |
David Li | 499c6f0 | 2011-04-08 18:43:16 -0700 | [diff] [blame] | 123 | |
Siva Velusamy | b13c78f | 2012-03-09 14:51:28 -0800 | [diff] [blame] | 124 | void initEglDebugLevel() { |
| 125 | int propertyLevel = 0; |
| 126 | char value[PROPERTY_VALUE_MAX]; |
Siva Velusamy | a9a4cd4 | 2012-11-20 13:39:57 -0800 | [diff] [blame^] | 127 | |
| 128 | // check system property only on userdebug or eng builds |
| 129 | property_get("ro.debuggable", value, "0"); |
| 130 | if (value[0] == '0') |
| 131 | return; |
| 132 | |
David Li | 2f5a655 | 2011-03-01 16:08:10 -0800 | [diff] [blame] | 133 | property_get("debug.egl.debug_proc", value, ""); |
Siva Velusamy | b13c78f | 2012-03-09 14:51:28 -0800 | [diff] [blame] | 134 | if (strlen(value) > 0) { |
| 135 | long pid = getpid(); |
| 136 | char procPath[128] = {}; |
| 137 | sprintf(procPath, "/proc/%ld/cmdline", pid); |
| 138 | FILE * file = fopen(procPath, "r"); |
| 139 | if (file) { |
| 140 | char cmdline[256] = {}; |
| 141 | if (fgets(cmdline, sizeof(cmdline) - 1, file)) { |
| 142 | if (!strncmp(value, cmdline, strlen(value))) { |
| 143 | // set EGL debug if the "debug.egl.debug_proc" property |
| 144 | // matches the prefix of this application's command line |
| 145 | propertyLevel = 1; |
| 146 | } |
Siva Velusamy | 93a826f | 2011-12-14 12:19:56 -0800 | [diff] [blame] | 147 | } |
Siva Velusamy | b13c78f | 2012-03-09 14:51:28 -0800 | [diff] [blame] | 148 | fclose(file); |
David Li | 499c6f0 | 2011-04-08 18:43:16 -0700 | [diff] [blame] | 149 | } |
David Li | 2f5a655 | 2011-03-01 16:08:10 -0800 | [diff] [blame] | 150 | } |
David Li | 499c6f0 | 2011-04-08 18:43:16 -0700 | [diff] [blame] | 151 | |
Siva Velusamy | b13c78f | 2012-03-09 14:51:28 -0800 | [diff] [blame] | 152 | gEGLDebugLevel = propertyLevel || sEGLApplicationDebugLevel; |
Siva Velusamy | 0469dd6 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 153 | if (gEGLDebugLevel > 0) { |
| 154 | GLTrace_start(); |
David Li | 85f33a7 | 2011-03-10 19:07:42 -0800 | [diff] [blame] | 155 | } |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 156 | } |
| 157 | |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 158 | void setGLHooksThreadSpecific(gl_hooks_t const *value) { |
Romain Guy | 16928bf | 2012-10-18 16:16:10 -0700 | [diff] [blame] | 159 | if (sEGLGetErrorEnabled) { |
| 160 | setGlTraceThreadSpecific(value); |
| 161 | setGlThreadSpecific(&gHooksErrorTrace); |
| 162 | } else if (sEGLSystraceEnabled) { |
| 163 | setGlTraceThreadSpecific(value); |
| 164 | setGlThreadSpecific(&gHooksSystrace); |
| 165 | } else if (sEGLTraceLevel > 0) { |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 166 | setGlTraceThreadSpecific(value); |
| 167 | setGlThreadSpecific(&gHooksTrace); |
Mathias Agopian | ccfa5c3 | 2011-09-01 14:55:00 -0700 | [diff] [blame] | 168 | } else if (gEGLDebugLevel > 0 && value != &gHooksNoContext) { |
David Li | 2f5a655 | 2011-03-01 16:08:10 -0800 | [diff] [blame] | 169 | setGlTraceThreadSpecific(value); |
Siva Velusamy | 0469dd6 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 170 | setGlThreadSpecific(GLTrace_getGLHooks()); |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 171 | } else { |
| 172 | setGlThreadSpecific(value); |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | /* |
| 177 | * Global entry point to allow applications to modify their own trace level. |
| 178 | * The effective trace level is the max of this level and the value of debug.egl.trace. |
| 179 | */ |
| 180 | extern "C" |
| 181 | void setGLTraceLevel(int level) { |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 182 | sEGLApplicationTraceLevel = level; |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 183 | } |
| 184 | |
Siva Velusamy | b13c78f | 2012-03-09 14:51:28 -0800 | [diff] [blame] | 185 | /* |
| 186 | * Global entry point to allow applications to modify their own debug level. |
| 187 | * Debugging is enabled if either the application requested it, or if the system property |
| 188 | * matches the application's name. |
| 189 | */ |
| 190 | void EGLAPI setGLDebugLevel(int level) { |
| 191 | sEGLApplicationDebugLevel = level; |
| 192 | } |
| 193 | |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 194 | #else |
| 195 | |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 196 | void setGLHooksThreadSpecific(gl_hooks_t const *value) { |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 197 | setGlThreadSpecific(value); |
| 198 | } |
| 199 | |
| 200 | #endif |
| 201 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 202 | /*****************************************************************************/ |
| 203 | |
Mathias Agopian | 6f08712 | 2010-09-23 16:38:38 -0700 | [diff] [blame] | 204 | static int gl_no_context() { |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 205 | if (egl_tls_t::logNoContextCall()) { |
Mathias Agopian | 455e360 | 2012-09-26 17:19:48 -0700 | [diff] [blame] | 206 | char const* const error = "call to OpenGL ES API with " |
| 207 | "no current context (logged once per thread)"; |
| 208 | if (LOG_NDEBUG) { |
| 209 | ALOGE(error); |
| 210 | } else { |
| 211 | LOG_ALWAYS_FATAL(error); |
| 212 | } |
Mathias Agopian | ecfe091 | 2011-09-06 17:24:05 -0700 | [diff] [blame] | 213 | char value[PROPERTY_VALUE_MAX]; |
| 214 | property_get("debug.egl.callstack", value, "0"); |
| 215 | if (atoi(value)) { |
| 216 | CallStack stack; |
| 217 | stack.update(); |
| 218 | stack.dump(); |
| 219 | } |
Mathias Agopian | d274eae | 2009-07-31 16:21:17 -0700 | [diff] [blame] | 220 | } |
Mathias Agopian | 6f08712 | 2010-09-23 16:38:38 -0700 | [diff] [blame] | 221 | return 0; |
Mathias Agopian | 05c5311 | 2010-09-23 11:32:52 -0700 | [diff] [blame] | 222 | } |
| 223 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 224 | static void early_egl_init(void) |
| 225 | { |
| 226 | #if !USE_FAST_TLS_KEY |
| 227 | pthread_key_create(&gGLWrapperKey, NULL); |
| 228 | #endif |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 229 | #if EGL_TRACE |
| 230 | pthread_key_create(&gGLTraceKey, NULL); |
| 231 | initEglTraceLevel(); |
Siva Velusamy | b13c78f | 2012-03-09 14:51:28 -0800 | [diff] [blame] | 232 | initEglDebugLevel(); |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 233 | #endif |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 234 | uint32_t addr = (uint32_t)((void*)gl_no_context); |
| 235 | android_memset32( |
Mathias Agopian | 618fa10 | 2009-10-14 02:06:37 -0700 | [diff] [blame] | 236 | (uint32_t*)(void*)&gHooksNoContext, |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 237 | addr, |
Mathias Agopian | 618fa10 | 2009-10-14 02:06:37 -0700 | [diff] [blame] | 238 | sizeof(gHooksNoContext)); |
Mathias Agopian | 05c5311 | 2010-09-23 11:32:52 -0700 | [diff] [blame] | 239 | |
Jack Palevich | a2dd6cf | 2010-10-26 15:21:24 -0700 | [diff] [blame] | 240 | setGLHooksThreadSpecific(&gHooksNoContext); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | static pthread_once_t once_control = PTHREAD_ONCE_INIT; |
| 244 | static int sEarlyInitState = pthread_once(&once_control, &early_egl_init); |
| 245 | |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 246 | // ---------------------------------------------------------------------------- |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 247 | |
Jesse Hall | b29e5e8 | 2012-04-04 16:53:42 -0700 | [diff] [blame] | 248 | egl_display_ptr validate_display(EGLDisplay dpy) { |
| 249 | egl_display_ptr dp = get_display(dpy); |
Mathias Agopian | 5b287a6 | 2011-05-16 18:58:55 -0700 | [diff] [blame] | 250 | if (!dp) |
Jesse Hall | b29e5e8 | 2012-04-04 16:53:42 -0700 | [diff] [blame] | 251 | return setError(EGL_BAD_DISPLAY, egl_display_ptr(NULL)); |
Mathias Agopian | 5b287a6 | 2011-05-16 18:58:55 -0700 | [diff] [blame] | 252 | if (!dp->isReady()) |
Jesse Hall | b29e5e8 | 2012-04-04 16:53:42 -0700 | [diff] [blame] | 253 | return setError(EGL_NOT_INITIALIZED, egl_display_ptr(NULL)); |
Eric Hassold | 3ede7c1 | 2011-03-23 15:59:00 -0700 | [diff] [blame] | 254 | |
| 255 | return dp; |
| 256 | } |
| 257 | |
Jesse Hall | b29e5e8 | 2012-04-04 16:53:42 -0700 | [diff] [blame] | 258 | egl_display_ptr validate_display_connection(EGLDisplay dpy, |
| 259 | egl_connection_t*& cnx) { |
| 260 | cnx = NULL; |
| 261 | egl_display_ptr dp = validate_display(dpy); |
Mathias Agopian | 5b287a6 | 2011-05-16 18:58:55 -0700 | [diff] [blame] | 262 | if (!dp) |
Jesse Hall | b29e5e8 | 2012-04-04 16:53:42 -0700 | [diff] [blame] | 263 | return dp; |
| 264 | cnx = &gEGLImpl; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 265 | if (cnx->dso == 0) { |
Jesse Hall | b29e5e8 | 2012-04-04 16:53:42 -0700 | [diff] [blame] | 266 | return setError(EGL_BAD_CONFIG, egl_display_ptr(NULL)); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 267 | } |
Jesse Hall | b29e5e8 | 2012-04-04 16:53:42 -0700 | [diff] [blame] | 268 | return dp; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 269 | } |
| 270 | |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 271 | // ---------------------------------------------------------------------------- |
| 272 | |
Mathias Agopian | 48d438d | 2012-01-28 21:44:00 -0800 | [diff] [blame] | 273 | const GLubyte * egl_get_string_for_current_context(GLenum name) { |
| 274 | // NOTE: returning NULL here will fall-back to the default |
| 275 | // implementation. |
| 276 | |
| 277 | EGLContext context = egl_tls_t::getContext(); |
| 278 | if (context == EGL_NO_CONTEXT) |
| 279 | return NULL; |
| 280 | |
| 281 | egl_context_t const * const c = get_context(context); |
| 282 | if (c == NULL) // this should never happen, by construction |
| 283 | return NULL; |
| 284 | |
| 285 | if (name != GL_EXTENSIONS) |
| 286 | return NULL; |
| 287 | |
| 288 | return (const GLubyte *)c->gl_extensions.string(); |
| 289 | } |
| 290 | |
| 291 | // ---------------------------------------------------------------------------- |
| 292 | |
Mathias Agopian | 923c661 | 2009-08-17 18:07:06 -0700 | [diff] [blame] | 293 | // this mutex protects: |
Mathias Agopian | a69e0ed | 2009-08-24 21:47:13 -0700 | [diff] [blame] | 294 | // d->disp[] |
Mathias Agopian | 923c661 | 2009-08-17 18:07:06 -0700 | [diff] [blame] | 295 | // egl_init_drivers_locked() |
| 296 | // |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 297 | static EGLBoolean egl_init_drivers_locked() { |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 298 | if (sEarlyInitState) { |
Mathias Agopian | 923c661 | 2009-08-17 18:07:06 -0700 | [diff] [blame] | 299 | // initialized by static ctor. should be set here. |
| 300 | return EGL_FALSE; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 301 | } |
| 302 | |
Mathias Agopian | de58697 | 2009-05-28 17:39:03 -0700 | [diff] [blame] | 303 | // get our driver loader |
Mathias Agopian | 923c661 | 2009-08-17 18:07:06 -0700 | [diff] [blame] | 304 | Loader& loader(Loader::getInstance()); |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 305 | |
Mathias Agopian | ada798b | 2012-02-13 17:09:30 -0800 | [diff] [blame] | 306 | // dynamically load our EGL implementation |
| 307 | egl_connection_t* cnx = &gEGLImpl; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 308 | if (cnx->dso == 0) { |
Mathias Agopian | 7773c43 | 2012-02-13 20:06:08 -0800 | [diff] [blame] | 309 | cnx->hooks[egl_connection_t::GLESv1_INDEX] = |
| 310 | &gHooks[egl_connection_t::GLESv1_INDEX]; |
| 311 | cnx->hooks[egl_connection_t::GLESv2_INDEX] = |
| 312 | &gHooks[egl_connection_t::GLESv2_INDEX]; |
Mathias Agopian | ada798b | 2012-02-13 17:09:30 -0800 | [diff] [blame] | 313 | cnx->dso = loader.open(cnx); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 314 | } |
| 315 | |
Mathias Agopian | ada798b | 2012-02-13 17:09:30 -0800 | [diff] [blame] | 316 | return cnx->dso ? EGL_TRUE : EGL_FALSE; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 317 | } |
| 318 | |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 319 | static pthread_mutex_t sInitDriverMutex = PTHREAD_MUTEX_INITIALIZER; |
| 320 | |
| 321 | EGLBoolean egl_init_drivers() { |
Mathias Agopian | 923c661 | 2009-08-17 18:07:06 -0700 | [diff] [blame] | 322 | EGLBoolean res; |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 323 | pthread_mutex_lock(&sInitDriverMutex); |
Mathias Agopian | 923c661 | 2009-08-17 18:07:06 -0700 | [diff] [blame] | 324 | res = egl_init_drivers_locked(); |
Mathias Agopian | 518ec11 | 2011-05-13 16:21:08 -0700 | [diff] [blame] | 325 | pthread_mutex_unlock(&sInitDriverMutex); |
Mathias Agopian | 923c661 | 2009-08-17 18:07:06 -0700 | [diff] [blame] | 326 | return res; |
| 327 | } |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 328 | |
Mathias Agopian | 1cadb25 | 2011-05-23 17:26:14 -0700 | [diff] [blame] | 329 | void gl_unimplemented() { |
Steve Block | e6f43dd | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 330 | ALOGE("called unimplemented OpenGL ES API"); |
Mathias Agopian | 1cadb25 | 2011-05-23 17:26:14 -0700 | [diff] [blame] | 331 | } |
| 332 | |
Mathias Agopian | 48d438d | 2012-01-28 21:44:00 -0800 | [diff] [blame] | 333 | void gl_noop() { |
| 334 | } |
| 335 | |
Mathias Agopian | 1cadb25 | 2011-05-23 17:26:14 -0700 | [diff] [blame] | 336 | // ---------------------------------------------------------------------------- |
| 337 | |
| 338 | #if USE_FAST_TLS_KEY |
| 339 | |
| 340 | // We have a dedicated TLS slot in bionic |
| 341 | static inline gl_hooks_t const * volatile * get_tls_hooks() { |
| 342 | volatile void *tls_base = __get_tls(); |
| 343 | gl_hooks_t const * volatile * tls_hooks = |
| 344 | reinterpret_cast<gl_hooks_t const * volatile *>(tls_base); |
| 345 | return tls_hooks; |
| 346 | } |
| 347 | |
| 348 | void setGlThreadSpecific(gl_hooks_t const *value) { |
| 349 | gl_hooks_t const * volatile * tls_hooks = get_tls_hooks(); |
| 350 | tls_hooks[TLS_SLOT_OPENGL_API] = value; |
| 351 | } |
| 352 | |
| 353 | gl_hooks_t const* getGlThreadSpecific() { |
| 354 | gl_hooks_t const * volatile * tls_hooks = get_tls_hooks(); |
| 355 | gl_hooks_t const* hooks = tls_hooks[TLS_SLOT_OPENGL_API]; |
| 356 | if (hooks) return hooks; |
| 357 | return &gHooksNoContext; |
| 358 | } |
| 359 | |
| 360 | #else |
| 361 | |
| 362 | void setGlThreadSpecific(gl_hooks_t const *value) { |
| 363 | pthread_setspecific(gGLWrapperKey, value); |
| 364 | } |
| 365 | |
| 366 | gl_hooks_t const* getGlThreadSpecific() { |
| 367 | gl_hooks_t const* hooks = static_cast<gl_hooks_t*>(pthread_getspecific(gGLWrapperKey)); |
| 368 | if (hooks) return hooks; |
| 369 | return &gHooksNoContext; |
| 370 | } |
| 371 | |
| 372 | #endif |
| 373 | |
| 374 | // ---------------------------------------------------------------------------- |
| 375 | // GL / EGL hooks |
| 376 | // ---------------------------------------------------------------------------- |
| 377 | |
| 378 | #undef GL_ENTRY |
| 379 | #undef EGL_ENTRY |
| 380 | #define GL_ENTRY(_r, _api, ...) #_api, |
| 381 | #define EGL_ENTRY(_r, _api, ...) #_api, |
| 382 | |
| 383 | char const * const gl_names[] = { |
| 384 | #include "entries.in" |
| 385 | NULL |
| 386 | }; |
| 387 | |
| 388 | char const * const egl_names[] = { |
| 389 | #include "egl_entries.in" |
| 390 | NULL |
| 391 | }; |
| 392 | |
| 393 | #undef GL_ENTRY |
| 394 | #undef EGL_ENTRY |
| 395 | |
| 396 | |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 397 | // ---------------------------------------------------------------------------- |
| 398 | }; // namespace android |
| 399 | // ---------------------------------------------------------------------------- |
| 400 | |