1 /* 2 ** 3 ** Copyright 2006, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #include "JNIHelp.h" 19 #include <android_runtime/AndroidRuntime.h> 20 #include <android_runtime/android_view_Surface.h> 21 #include <android_runtime/android_graphics_SurfaceTexture.h> 22 #include <utils/misc.h> 23 24 25 #include <EGL/egl.h> 26 #include <GLES/gl.h> 27 #include <private/EGL/display.h> 28 29 #include <gui/Surface.h> 30 #include <gui/GLConsumer.h> 31 #include <gui/Surface.h> 32 33 #include <GraphicsJNI.h> 34 #include <SkBitmap.h> 35 #include <SkPixelRef.h> 36 37 #include <ui/ANativeObjectBase.h> 38 39 namespace android { 40 41 static jclass gConfig_class; 42 43 static jmethodID gConfig_ctorID; 44 45 static jfieldID gDisplay_EGLDisplayFieldID; 46 static jfieldID gContext_EGLContextFieldID; 47 static jfieldID gSurface_EGLSurfaceFieldID; 48 static jfieldID gSurface_NativePixelRefFieldID; 49 static jfieldID gConfig_EGLConfigFieldID; 50 51 static inline EGLDisplay getDisplay(JNIEnv* env, jobject o) { 52 if (!o) return EGL_NO_DISPLAY; 53 return (EGLDisplay)env->GetLongField(o, gDisplay_EGLDisplayFieldID); 54 } 55 static inline EGLSurface getSurface(JNIEnv* env, jobject o) { 56 if (!o) return EGL_NO_SURFACE; 57 return (EGLSurface)env->GetLongField(o, gSurface_EGLSurfaceFieldID); 58 } 59 static inline EGLContext getContext(JNIEnv* env, jobject o) { 60 if (!o) return EGL_NO_CONTEXT; 61 return (EGLContext)env->GetLongField(o, gContext_EGLContextFieldID); 62 } 63 static inline EGLConfig getConfig(JNIEnv* env, jobject o) { 64 if (!o) return 0; 65 return (EGLConfig)env->GetLongField(o, gConfig_EGLConfigFieldID); 66 } 67 68 static inline jboolean EglBoolToJBool(EGLBoolean eglBool) { 69 return eglBool == EGL_TRUE ? JNI_TRUE : JNI_FALSE; 70 } 71 72 static void nativeClassInit(JNIEnv *_env, jclass eglImplClass) 73 { 74 jclass config_class = _env->FindClass("com/google/android/gles_jni/EGLConfigImpl"); 75 gConfig_class = (jclass) _env->NewGlobalRef(config_class); 76 gConfig_ctorID = _env->GetMethodID(gConfig_class, "<init>", "(J)V"); 77 gConfig_EGLConfigFieldID = _env->GetFieldID(gConfig_class, "mEGLConfig", "J"); 78 79 jclass display_class = _env->FindClass("com/google/android/gles_jni/EGLDisplayImpl"); 80 gDisplay_EGLDisplayFieldID = _env->GetFieldID(display_class, "mEGLDisplay", "J"); 81 82 jclass context_class = _env->FindClass("com/google/android/gles_jni/EGLContextImpl"); 83 gContext_EGLContextFieldID = _env->GetFieldID(context_class, "mEGLContext", "J"); 84 85 jclass surface_class = _env->FindClass("com/google/android/gles_jni/EGLSurfaceImpl"); 86 gSurface_EGLSurfaceFieldID = _env->GetFieldID(surface_class, "mEGLSurface", "J"); 87 gSurface_NativePixelRefFieldID = _env->GetFieldID(surface_class, "mNativePixelRef", "J"); 88 } 89 90 static const jint gNull_attrib_base[] = {EGL_NONE}; 91 92 static bool validAttribList(JNIEnv *_env, jintArray attrib_list) { 93 if (attrib_list == NULL) { 94 return true; 95 } 96 jsize len = _env->GetArrayLength(attrib_list); 97 if (len < 1) { 98 return false; 99 } 100 jint item = 0; 101 _env->GetIntArrayRegion(attrib_list, len-1, 1, &item); 102 return item == EGL_NONE; 103 } 104 105 static jint* beginNativeAttribList(JNIEnv *_env, jintArray attrib_list) { 106 if (attrib_list != NULL) { 107 return _env->GetIntArrayElements(attrib_list, (jboolean *)0); 108 } else { 109 return(jint*) gNull_attrib_base; 110 } 111 } 112 113 static void endNativeAttributeList(JNIEnv *_env, jintArray attrib_list, jint* attrib_base) { 114 if (attrib_list != NULL) { 115 _env->ReleaseIntArrayElements(attrib_list, attrib_base, 0); 116 } 117 } 118 119 static jboolean jni_eglInitialize(JNIEnv *_env, jobject _this, jobject display, 120 jintArray major_minor) { 121 if (display == NULL || (major_minor != NULL && 122 _env->GetArrayLength(major_minor) < 2)) { 123 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 124 return JNI_FALSE; 125 } 126 127 EGLDisplay dpy = getDisplay(_env, display); 128 EGLBoolean success = eglInitialize(dpy, NULL, NULL); 129 if (success && major_minor) { 130 int len = _env->GetArrayLength(major_minor); 131 if (len) { 132 // we're exposing only EGL 1.0 133 jint* base = (jint *)_env->GetPrimitiveArrayCritical(major_minor, (jboolean *)0); 134 if (len >= 1) base[0] = 1; 135 if (len >= 2) base[1] = 0; 136 _env->ReleasePrimitiveArrayCritical(major_minor, base, 0); 137 } 138 } 139 return EglBoolToJBool(success); 140 } 141 142 static jboolean jni_eglQueryContext(JNIEnv *_env, jobject _this, jobject display, 143 jobject context, jint attribute, jintArray value) { 144 if (display == NULL || context == NULL || value == NULL 145 || _env->GetArrayLength(value) < 1) { 146 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 147 return JNI_FALSE; 148 } 149 EGLDisplay dpy = getDisplay(_env, display); 150 EGLContext ctx = getContext(_env, context); 151 EGLBoolean success = EGL_FALSE; 152 int len = _env->GetArrayLength(value); 153 if (len) { 154 jint* base = _env->GetIntArrayElements(value, (jboolean *)0); 155 success = eglQueryContext(dpy, ctx, attribute, base); 156 _env->ReleaseIntArrayElements(value, base, 0); 157 } 158 return EglBoolToJBool(success); 159 } 160 161 static jboolean jni_eglQuerySurface(JNIEnv *_env, jobject _this, jobject display, 162 jobject surface, jint attribute, jintArray value) { 163 if (display == NULL || surface == NULL || value == NULL 164 || _env->GetArrayLength(value) < 1) { 165 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 166 return JNI_FALSE; 167 } 168 EGLDisplay dpy = getDisplay(_env, display); 169 EGLContext sur = getSurface(_env, surface); 170 171 EGLBoolean success = EGL_FALSE; 172 int len = _env->GetArrayLength(value); 173 if (len) { 174 jint* base = _env->GetIntArrayElements(value, (jboolean *)0); 175 success = eglQuerySurface(dpy, sur, attribute, base); 176 _env->ReleaseIntArrayElements(value, base, 0); 177 } 178 return EglBoolToJBool(success); 179 } 180 181 static jint jni_getInitCount(JNIEnv *_env, jobject _clazz, jobject display) { 182 EGLDisplay dpy = getDisplay(_env, display); 183 return android::egl_get_init_count(dpy); 184 } 185 186 static jboolean jni_eglReleaseThread(JNIEnv *_env, jobject _this) { 187 return EglBoolToJBool(eglReleaseThread()); 188 } 189 190 static jboolean jni_eglChooseConfig(JNIEnv *_env, jobject _this, jobject display, 191 jintArray attrib_list, jobjectArray configs, jint config_size, jintArray num_config) { 192 if (display == NULL 193 || !validAttribList(_env, attrib_list) 194 || (configs != NULL && _env->GetArrayLength(configs) < config_size) 195 || (num_config != NULL && _env->GetArrayLength(num_config) < 1)) { 196 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 197 return JNI_FALSE; 198 } 199 EGLDisplay dpy = getDisplay(_env, display); 200 EGLBoolean success = EGL_FALSE; 201 202 if (configs == NULL) { 203 config_size = 0; 204 } 205 EGLConfig nativeConfigs[config_size]; 206 207 int num = 0; 208 jint* attrib_base = beginNativeAttribList(_env, attrib_list); 209 success = eglChooseConfig(dpy, attrib_base, configs ? nativeConfigs : 0, config_size, &num); 210 endNativeAttributeList(_env, attrib_list, attrib_base); 211 212 if (num_config != NULL) { 213 _env->SetIntArrayRegion(num_config, 0, 1, (jint*) &num); 214 } 215 216 if (success && configs!=NULL) { 217 for (int i=0 ; i<num ; i++) { 218 jobject obj = _env->NewObject(gConfig_class, gConfig_ctorID, reinterpret_cast<jlong>(nativeConfigs[i])); 219 _env->SetObjectArrayElement(configs, i, obj); 220 } 221 } 222 return EglBoolToJBool(success); 223 } 224 225 static jlong jni_eglCreateContext(JNIEnv *_env, jobject _this, jobject display, 226 jobject config, jobject share_context, jintArray attrib_list) { 227 if (display == NULL || config == NULL || share_context == NULL 228 || !validAttribList(_env, attrib_list)) { 229 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 230 return JNI_FALSE; 231 } 232 EGLDisplay dpy = getDisplay(_env, display); 233 EGLConfig cnf = getConfig(_env, config); 234 EGLContext shr = getContext(_env, share_context); 235 jint* base = beginNativeAttribList(_env, attrib_list); 236 EGLContext ctx = eglCreateContext(dpy, cnf, shr, base); 237 endNativeAttributeList(_env, attrib_list, base); 238 return reinterpret_cast<jlong>(ctx); 239 } 240 241 static jlong jni_eglCreatePbufferSurface(JNIEnv *_env, jobject _this, jobject display, 242 jobject config, jintArray attrib_list) { 243 if (display == NULL || config == NULL 244 || !validAttribList(_env, attrib_list)) { 245 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 246 return JNI_FALSE; 247 } 248 EGLDisplay dpy = getDisplay(_env, display); 249 EGLConfig cnf = getConfig(_env, config); 250 jint* base = beginNativeAttribList(_env, attrib_list); 251 EGLSurface sur = eglCreatePbufferSurface(dpy, cnf, base); 252 endNativeAttributeList(_env, attrib_list, base); 253 return reinterpret_cast<jlong>(sur); 254 } 255 256 static void jni_eglCreatePixmapSurface(JNIEnv *_env, jobject _this, jobject out_sur, 257 jobject display, jobject config, jobject native_pixmap, 258 jintArray attrib_list) 259 { 260 jniThrowException(_env, "java/lang/UnsupportedOperationException", "eglCreatePixmapSurface"); 261 } 262 263 static jlong jni_eglCreateWindowSurface(JNIEnv *_env, jobject _this, jobject display, 264 jobject config, jobject native_window, jintArray attrib_list) { 265 if (display == NULL || config == NULL 266 || !validAttribList(_env, attrib_list)) { 267 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 268 return JNI_FALSE; 269 } 270 EGLDisplay dpy = getDisplay(_env, display); 271 EGLContext cnf = getConfig(_env, config); 272 sp<ANativeWindow> window; 273 if (native_window == NULL) { 274 not_valid_surface: 275 jniThrowException(_env, "java/lang/IllegalArgumentException", 276 "Make sure the SurfaceView or associated SurfaceHolder has a valid Surface"); 277 return 0; 278 } 279 280 window = android_view_Surface_getNativeWindow(_env, native_window); 281 if (window == NULL) 282 goto not_valid_surface; 283 284 jint* base = beginNativeAttribList(_env, attrib_list); 285 EGLSurface sur = eglCreateWindowSurface(dpy, cnf, window.get(), base); 286 endNativeAttributeList(_env, attrib_list, base); 287 return reinterpret_cast<jlong>(sur); 288 } 289 290 static jlong jni_eglCreateWindowSurfaceTexture(JNIEnv *_env, jobject _this, jobject display, 291 jobject config, jobject native_window, jintArray attrib_list) { 292 if (display == NULL || config == NULL 293 || !validAttribList(_env, attrib_list)) { 294 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 295 return 0; 296 } 297 EGLDisplay dpy = getDisplay(_env, display); 298 EGLContext cnf = getConfig(_env, config); 299 sp<ANativeWindow> window; 300 if (native_window == 0) { 301 not_valid_surface: 302 jniThrowException(_env, "java/lang/IllegalArgumentException", 303 "Make sure the SurfaceTexture is valid"); 304 return 0; 305 } 306 307 sp<IGraphicBufferProducer> producer(SurfaceTexture_getProducer(_env, native_window)); 308 window = new Surface(producer, true); 309 if (window == NULL) 310 goto not_valid_surface; 311 312 jint* base = beginNativeAttribList(_env, attrib_list); 313 EGLSurface sur = eglCreateWindowSurface(dpy, cnf, window.get(), base); 314 endNativeAttributeList(_env, attrib_list, base); 315 return reinterpret_cast<jlong>(sur); 316 } 317 318 static jboolean jni_eglGetConfigAttrib(JNIEnv *_env, jobject _this, jobject display, 319 jobject config, jint attribute, jintArray value) { 320 if (display == NULL || config == NULL 321 || (value == NULL || _env->GetArrayLength(value) < 1)) { 322 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 323 return JNI_FALSE; 324 } 325 EGLDisplay dpy = getDisplay(_env, display); 326 EGLContext cnf = getConfig(_env, config); 327 EGLBoolean success = EGL_FALSE; 328 jint localValue; 329 success = eglGetConfigAttrib(dpy, cnf, attribute, &localValue); 330 if (success) { 331 _env->SetIntArrayRegion(value, 0, 1, &localValue); 332 } 333 return EglBoolToJBool(success); 334 } 335 336 static jboolean jni_eglGetConfigs(JNIEnv *_env, jobject _this, jobject display, 337 jobjectArray configs, jint config_size, jintArray num_config) { 338 if (display == NULL || (configs != NULL && _env->GetArrayLength(configs) < config_size) 339 || (num_config != NULL && _env->GetArrayLength(num_config) < 1)) { 340 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 341 return JNI_FALSE; 342 } 343 EGLDisplay dpy = getDisplay(_env, display); 344 EGLBoolean success = EGL_FALSE; 345 if (configs == NULL) { 346 config_size = 0; 347 } 348 EGLConfig nativeConfigs[config_size]; 349 int num; 350 success = eglGetConfigs(dpy, configs ? nativeConfigs : 0, config_size, &num); 351 if (num_config != NULL) { 352 _env->SetIntArrayRegion(num_config, 0, 1, (jint*) &num); 353 } 354 if (success && configs) { 355 for (int i=0 ; i<num ; i++) { 356 jobject obj = _env->NewObject(gConfig_class, gConfig_ctorID, reinterpret_cast<jlong>(nativeConfigs[i])); 357 _env->SetObjectArrayElement(configs, i, obj); 358 } 359 } 360 return EglBoolToJBool(success); 361 } 362 363 static jint jni_eglGetError(JNIEnv *_env, jobject _this) { 364 EGLint error = eglGetError(); 365 return error; 366 } 367 368 static jlong jni_eglGetCurrentContext(JNIEnv *_env, jobject _this) { 369 return reinterpret_cast<jlong>(eglGetCurrentContext()); 370 } 371 372 static jlong jni_eglGetCurrentDisplay(JNIEnv *_env, jobject _this) { 373 return reinterpret_cast<jlong>(eglGetCurrentDisplay()); 374 } 375 376 static jlong jni_eglGetCurrentSurface(JNIEnv *_env, jobject _this, jint readdraw) { 377 if ((readdraw != EGL_READ) && (readdraw != EGL_DRAW)) { 378 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 379 return 0; 380 } 381 return reinterpret_cast<jlong>(eglGetCurrentSurface(readdraw)); 382 } 383 384 static jboolean jni_eglDestroyContext(JNIEnv *_env, jobject _this, jobject display, jobject context) { 385 if (display == NULL || context == NULL) { 386 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 387 return JNI_FALSE; 388 } 389 EGLDisplay dpy = getDisplay(_env, display); 390 EGLContext ctx = getContext(_env, context); 391 return EglBoolToJBool(eglDestroyContext(dpy, ctx)); 392 } 393 394 static jboolean jni_eglDestroySurface(JNIEnv *_env, jobject _this, jobject display, jobject surface) { 395 if (display == NULL || surface == NULL) { 396 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 397 return JNI_FALSE; 398 } 399 EGLDisplay dpy = getDisplay(_env, display); 400 EGLSurface sur = getSurface(_env, surface); 401 402 if (sur) { 403 SkPixelRef* ref = (SkPixelRef*)(_env->GetLongField(surface, 404 gSurface_NativePixelRefFieldID)); 405 if (ref) { 406 ref->unlockPixels(); 407 SkSafeUnref(ref); 408 } 409 } 410 return EglBoolToJBool(eglDestroySurface(dpy, sur)); 411 } 412 413 static jlong jni_eglGetDisplay(JNIEnv *_env, jobject _this, jobject native_display) { 414 return reinterpret_cast<jlong>(eglGetDisplay(EGL_DEFAULT_DISPLAY)); 415 } 416 417 static jboolean jni_eglMakeCurrent(JNIEnv *_env, jobject _this, jobject display, jobject draw, jobject read, jobject context) { 418 if (display == NULL || draw == NULL || read == NULL || context == NULL) { 419 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 420 return JNI_FALSE; 421 } 422 EGLDisplay dpy = getDisplay(_env, display); 423 EGLSurface sdr = getSurface(_env, draw); 424 EGLSurface srd = getSurface(_env, read); 425 EGLContext ctx = getContext(_env, context); 426 return EglBoolToJBool(eglMakeCurrent(dpy, sdr, srd, ctx)); 427 } 428 429 static jstring jni_eglQueryString(JNIEnv *_env, jobject _this, jobject display, jint name) { 430 if (display == NULL) { 431 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 432 return NULL; 433 } 434 EGLDisplay dpy = getDisplay(_env, display); 435 const char* chars = eglQueryString(dpy, name); 436 return _env->NewStringUTF(chars); 437 } 438 439 static jboolean jni_eglSwapBuffers(JNIEnv *_env, jobject _this, jobject display, jobject surface) { 440 if (display == NULL || surface == NULL) { 441 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 442 return JNI_FALSE; 443 } 444 EGLDisplay dpy = getDisplay(_env, display); 445 EGLSurface sur = getSurface(_env, surface); 446 return EglBoolToJBool(eglSwapBuffers(dpy, sur)); 447 } 448 449 static jboolean jni_eglTerminate(JNIEnv *_env, jobject _this, jobject display) { 450 if (display == NULL) { 451 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 452 return JNI_FALSE; 453 } 454 EGLDisplay dpy = getDisplay(_env, display); 455 return EglBoolToJBool(eglTerminate(dpy)); 456 } 457 458 static jboolean jni_eglCopyBuffers(JNIEnv *_env, jobject _this, jobject display, 459 jobject surface, jobject native_pixmap) { 460 if (display == NULL || surface == NULL || native_pixmap == NULL) { 461 jniThrowException(_env, "java/lang/IllegalArgumentException", NULL); 462 return JNI_FALSE; 463 } 464 // TODO: Implement this 465 return JNI_FALSE; 466 } 467 468 static jboolean jni_eglWaitGL(JNIEnv *_env, jobject _this) { 469 return EglBoolToJBool(eglWaitGL()); 470 } 471 472 static jboolean jni_eglWaitNative(JNIEnv *_env, jobject _this, jint engine, jobject bindTarget) { 473 return EglBoolToJBool(eglWaitNative(engine)); 474 } 475 476 477 static const char *classPathName = "com/google/android/gles_jni/EGLImpl"; 478 479 #define DISPLAY "Ljavax/microedition/khronos/egl/EGLDisplay;" 480 #define CONTEXT "Ljavax/microedition/khronos/egl/EGLContext;" 481 #define CONFIG "Ljavax/microedition/khronos/egl/EGLConfig;" 482 #define SURFACE "Ljavax/microedition/khronos/egl/EGLSurface;" 483 #define OBJECT "Ljava/lang/Object;" 484 #define STRING "Ljava/lang/String;" 485 486 static const JNINativeMethod methods[] = { 487 {"_nativeClassInit","()V", (void*)nativeClassInit }, 488 {"eglWaitGL", "()Z", (void*)jni_eglWaitGL }, 489 {"eglInitialize", "(" DISPLAY "[I)Z", (void*)jni_eglInitialize }, 490 {"eglQueryContext", "(" DISPLAY CONTEXT "I[I)Z", (void*)jni_eglQueryContext }, 491 {"eglQuerySurface", "(" DISPLAY SURFACE "I[I)Z", (void*)jni_eglQuerySurface }, 492 {"eglReleaseThread","()Z", (void*)jni_eglReleaseThread }, 493 {"getInitCount", "(" DISPLAY ")I", (void*)jni_getInitCount }, 494 {"eglChooseConfig", "(" DISPLAY "[I[" CONFIG "I[I)Z", (void*)jni_eglChooseConfig }, 495 {"_eglCreateContext","(" DISPLAY CONFIG CONTEXT "[I)J", (void*)jni_eglCreateContext }, 496 {"eglGetConfigs", "(" DISPLAY "[" CONFIG "I[I)Z", (void*)jni_eglGetConfigs }, 497 {"eglTerminate", "(" DISPLAY ")Z", (void*)jni_eglTerminate }, 498 {"eglCopyBuffers", "(" DISPLAY SURFACE OBJECT ")Z", (void*)jni_eglCopyBuffers }, 499 {"eglWaitNative", "(I" OBJECT ")Z", (void*)jni_eglWaitNative }, 500 {"eglGetError", "()I", (void*)jni_eglGetError }, 501 {"eglGetConfigAttrib", "(" DISPLAY CONFIG "I[I)Z", (void*)jni_eglGetConfigAttrib }, 502 {"_eglGetDisplay", "(" OBJECT ")J", (void*)jni_eglGetDisplay }, 503 {"_eglGetCurrentContext", "()J", (void*)jni_eglGetCurrentContext }, 504 {"_eglGetCurrentDisplay", "()J", (void*)jni_eglGetCurrentDisplay }, 505 {"_eglGetCurrentSurface", "(I)J", (void*)jni_eglGetCurrentSurface }, 506 {"_eglCreatePbufferSurface","(" DISPLAY CONFIG "[I)J", (void*)jni_eglCreatePbufferSurface }, 507 {"_eglCreatePixmapSurface", "(" SURFACE DISPLAY CONFIG OBJECT "[I)V", (void*)jni_eglCreatePixmapSurface }, 508 {"_eglCreateWindowSurface", "(" DISPLAY CONFIG OBJECT "[I)J", (void*)jni_eglCreateWindowSurface }, 509 {"_eglCreateWindowSurfaceTexture", "(" DISPLAY CONFIG OBJECT "[I)J", (void*)jni_eglCreateWindowSurfaceTexture }, 510 {"eglDestroyContext", "(" DISPLAY CONTEXT ")Z", (void*)jni_eglDestroyContext }, 511 {"eglDestroySurface", "(" DISPLAY SURFACE ")Z", (void*)jni_eglDestroySurface }, 512 {"eglMakeCurrent", "(" DISPLAY SURFACE SURFACE CONTEXT")Z", (void*)jni_eglMakeCurrent }, 513 {"eglQueryString", "(" DISPLAY "I)" STRING, (void*)jni_eglQueryString }, 514 {"eglSwapBuffers", "(" DISPLAY SURFACE ")Z", (void*)jni_eglSwapBuffers }, 515 }; 516 517 } // namespace android 518 519 int register_com_google_android_gles_jni_EGLImpl(JNIEnv *_env) 520 { 521 int err; 522 err = android::AndroidRuntime::registerNativeMethods(_env, 523 android::classPathName, android::methods, NELEM(android::methods)); 524 return err; 525 } 526
