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      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_display.h>
     26 #include <EGL/egl.h>
     27 #include <GLES/gl.h>
     28 
     29 #include <gui/Surface.h>
     30 #include <gui/GLConsumer.h>
     31 #include <gui/Surface.h>
     32 
     33 #include <SkBitmap.h>
     34 #include <SkPixelRef.h>
     35 
     36 #include <ui/ANativeObjectBase.h>
     37 
     38 namespace android {
     39 
     40 static jclass gConfig_class;
     41 
     42 static jmethodID gConfig_ctorID;
     43 
     44 static jfieldID gDisplay_EGLDisplayFieldID;
     45 static jfieldID gContext_EGLContextFieldID;
     46 static jfieldID gSurface_EGLSurfaceFieldID;
     47 static jfieldID gSurface_NativePixelRefFieldID;
     48 static jfieldID gConfig_EGLConfigFieldID;
     49 static jfieldID gBitmap_NativeBitmapFieldID;
     50 
     51 static inline EGLDisplay getDisplay(JNIEnv* env, jobject o) {
     52     if (!o) return EGL_NO_DISPLAY;
     53     return (EGLDisplay)env->GetIntField(o, gDisplay_EGLDisplayFieldID);
     54 }
     55 static inline EGLSurface getSurface(JNIEnv* env, jobject o) {
     56     if (!o) return EGL_NO_SURFACE;
     57     return (EGLSurface)env->GetIntField(o, gSurface_EGLSurfaceFieldID);
     58 }
     59 static inline EGLContext getContext(JNIEnv* env, jobject o) {
     60     if (!o) return EGL_NO_CONTEXT;
     61     return (EGLContext)env->GetIntField(o, gContext_EGLContextFieldID);
     62 }
     63 static inline EGLConfig getConfig(JNIEnv* env, jobject o) {
     64     if (!o) return 0;
     65     return (EGLConfig)env->GetIntField(o, gConfig_EGLConfigFieldID);
     66 }
     67 static void nativeClassInit(JNIEnv *_env, jclass eglImplClass)
     68 {
     69     jclass config_class = _env->FindClass("com/google/android/gles_jni/EGLConfigImpl");
     70     gConfig_class = (jclass) _env->NewGlobalRef(config_class);
     71     gConfig_ctorID = _env->GetMethodID(gConfig_class,  "<init>", "(I)V");
     72     gConfig_EGLConfigFieldID = _env->GetFieldID(gConfig_class,  "mEGLConfig",  "I");
     73 
     74     jclass display_class = _env->FindClass("com/google/android/gles_jni/EGLDisplayImpl");
     75     gDisplay_EGLDisplayFieldID = _env->GetFieldID(display_class, "mEGLDisplay", "I");
     76 
     77     jclass context_class = _env->FindClass("com/google/android/gles_jni/EGLContextImpl");
     78     gContext_EGLContextFieldID = _env->GetFieldID(context_class, "mEGLContext", "I");
     79 
     80     jclass surface_class = _env->FindClass("com/google/android/gles_jni/EGLSurfaceImpl");
     81     gSurface_EGLSurfaceFieldID = _env->GetFieldID(surface_class, "mEGLSurface", "I");
     82     gSurface_NativePixelRefFieldID = _env->GetFieldID(surface_class, "mNativePixelRef", "I");
     83 
     84     jclass bitmap_class = _env->FindClass("android/graphics/Bitmap");
     85     gBitmap_NativeBitmapFieldID = _env->GetFieldID(bitmap_class, "mNativeBitmap", "I");
     86 }
     87 
     88 static const jint gNull_attrib_base[] = {EGL_NONE};
     89 
     90 static bool validAttribList(JNIEnv *_env, jintArray attrib_list) {
     91     if (attrib_list == NULL) {
     92         return true;
     93     }
     94     jsize len = _env->GetArrayLength(attrib_list);
     95     if (len < 1) {
     96         return false;
     97     }
     98     jint item = 0;
     99     _env->GetIntArrayRegion(attrib_list, len-1, 1, &item);
    100     return item == EGL_NONE;
    101 }
    102 
    103 static jint* beginNativeAttribList(JNIEnv *_env, jintArray attrib_list) {
    104     if (attrib_list != NULL) {
    105         return (jint *)_env->GetPrimitiveArrayCritical(attrib_list, (jboolean *)0);
    106     } else {
    107         return(jint*) gNull_attrib_base;
    108     }
    109 }
    110 
    111 static void endNativeAttributeList(JNIEnv *_env, jintArray attrib_list, jint* attrib_base) {
    112     if (attrib_list != NULL) {
    113         _env->ReleasePrimitiveArrayCritical(attrib_list, attrib_base, JNI_ABORT);
    114     }
    115 }
    116 
    117 static jboolean jni_eglInitialize(JNIEnv *_env, jobject _this, jobject display,
    118         jintArray major_minor) {
    119     if (display == NULL || (major_minor != NULL &&
    120             _env->GetArrayLength(major_minor) < 2)) {
    121         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    122         return JNI_FALSE;
    123     }
    124 
    125     EGLDisplay dpy = getDisplay(_env, display);
    126     jboolean success = eglInitialize(dpy, NULL, NULL);
    127     if (success && major_minor) {
    128         int len = _env->GetArrayLength(major_minor);
    129         if (len) {
    130             // we're exposing only EGL 1.0
    131             jint* base = (jint *)_env->GetPrimitiveArrayCritical(major_minor, (jboolean *)0);
    132             if (len >= 1) base[0] = 1;
    133             if (len >= 2) base[1] = 0;
    134             _env->ReleasePrimitiveArrayCritical(major_minor, base, JNI_ABORT);
    135         }
    136     }
    137     return success;
    138 }
    139 
    140 static jboolean jni_eglQueryContext(JNIEnv *_env, jobject _this, jobject display,
    141         jobject context, jint attribute, jintArray value) {
    142     if (display == NULL || context == NULL || value == NULL
    143         || _env->GetArrayLength(value) < 1) {
    144         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    145         return JNI_FALSE;
    146     }
    147     EGLDisplay dpy = getDisplay(_env, display);
    148     EGLContext ctx = getContext(_env, context);
    149     jboolean success = JNI_FALSE;
    150     int len = _env->GetArrayLength(value);
    151     if (len) {
    152         jint* base = (jint *)_env->GetPrimitiveArrayCritical(value, (jboolean *)0);
    153         success = eglQueryContext(dpy, ctx, attribute, base);
    154         _env->ReleasePrimitiveArrayCritical(value, base, JNI_ABORT);
    155     }
    156     return success;
    157 }
    158 
    159 static jboolean jni_eglQuerySurface(JNIEnv *_env, jobject _this, jobject display,
    160         jobject surface, jint attribute, jintArray value) {
    161     if (display == NULL || surface == NULL || value == NULL
    162         || _env->GetArrayLength(value) < 1) {
    163         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    164         return JNI_FALSE;
    165     }
    166     EGLDisplay dpy = getDisplay(_env, display);
    167     EGLContext sur = getSurface(_env, surface);
    168 
    169     jboolean success = JNI_FALSE;
    170     int len = _env->GetArrayLength(value);
    171     if (len) {
    172         jint* base = (jint *)_env->GetPrimitiveArrayCritical(value, (jboolean *)0);
    173         success = eglQuerySurface(dpy, sur, attribute, base);
    174         _env->ReleasePrimitiveArrayCritical(value, base, JNI_ABORT);
    175     }
    176     return success;
    177 }
    178 
    179 static jint jni_getInitCount(JNIEnv *_env, jobject _clazz, jobject display) {
    180     EGLDisplay dpy = getDisplay(_env, display);
    181     egl_display_t* eglDisplay = get_display_nowake(dpy);
    182     return eglDisplay ? eglDisplay->getRefsCount() : 0;
    183 }
    184 
    185 static jboolean jni_eglReleaseThread(JNIEnv *_env, jobject _this) {
    186     return eglReleaseThread();
    187 }
    188 
    189 static jboolean jni_eglChooseConfig(JNIEnv *_env, jobject _this, jobject display,
    190         jintArray attrib_list, jobjectArray configs, jint config_size, jintArray num_config) {
    191     if (display == NULL
    192         || !validAttribList(_env, attrib_list)
    193         || (configs != NULL && _env->GetArrayLength(configs) < config_size)
    194         || (num_config != NULL && _env->GetArrayLength(num_config) < 1)) {
    195         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    196         return JNI_FALSE;
    197     }
    198     EGLDisplay dpy = getDisplay(_env, display);
    199     jboolean success = JNI_FALSE;
    200 
    201     if (configs == NULL) {
    202         config_size = 0;
    203     }
    204     EGLConfig nativeConfigs[config_size];
    205 
    206     int num = 0;
    207     jint* attrib_base = beginNativeAttribList(_env, attrib_list);
    208     success = eglChooseConfig(dpy, attrib_base, configs ? nativeConfigs : 0, config_size, &num);
    209     endNativeAttributeList(_env, attrib_list, attrib_base);
    210 
    211     if (num_config != NULL) {
    212         _env->SetIntArrayRegion(num_config, 0, 1, (jint*) &num);
    213     }
    214 
    215     if (success && configs!=NULL) {
    216         for (int i=0 ; i<num ; i++) {
    217             jobject obj = _env->NewObject(gConfig_class, gConfig_ctorID, (jint)nativeConfigs[i]);
    218             _env->SetObjectArrayElement(configs, i, obj);
    219         }
    220     }
    221     return success;
    222 }
    223 
    224 static jint jni_eglCreateContext(JNIEnv *_env, jobject _this, jobject display,
    225         jobject config, jobject share_context, jintArray attrib_list) {
    226     if (display == NULL || config == NULL || share_context == NULL
    227         || !validAttribList(_env, attrib_list)) {
    228         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    229         return JNI_FALSE;
    230     }
    231     EGLDisplay dpy = getDisplay(_env, display);
    232     EGLConfig  cnf = getConfig(_env, config);
    233     EGLContext shr = getContext(_env, share_context);
    234     jint* base = beginNativeAttribList(_env, attrib_list);
    235     EGLContext ctx = eglCreateContext(dpy, cnf, shr, base);
    236     endNativeAttributeList(_env, attrib_list, base);
    237     return (jint)ctx;
    238 }
    239 
    240 static jint jni_eglCreatePbufferSurface(JNIEnv *_env, jobject _this, jobject display,
    241         jobject config, jintArray attrib_list) {
    242     if (display == NULL || config == NULL
    243         || !validAttribList(_env, attrib_list)) {
    244         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    245         return JNI_FALSE;
    246     }
    247     EGLDisplay dpy = getDisplay(_env, display);
    248     EGLConfig  cnf = getConfig(_env, config);
    249     jint* base = beginNativeAttribList(_env, attrib_list);
    250     EGLSurface sur = eglCreatePbufferSurface(dpy, cnf, base);
    251     endNativeAttributeList(_env, attrib_list, base);
    252     return (jint)sur;
    253 }
    254 
    255 static PixelFormat convertPixelFormat(SkBitmap::Config format)
    256 {
    257     switch (format) {
    258     case SkBitmap::kARGB_8888_Config:   return PIXEL_FORMAT_RGBA_8888;
    259     case SkBitmap::kARGB_4444_Config:   return PIXEL_FORMAT_RGBA_4444;
    260     case SkBitmap::kRGB_565_Config:     return PIXEL_FORMAT_RGB_565;
    261     default:                            return PIXEL_FORMAT_NONE;
    262     }
    263 }
    264 
    265 static void jni_eglCreatePixmapSurface(JNIEnv *_env, jobject _this, jobject out_sur,
    266         jobject display, jobject config, jobject native_pixmap,
    267         jintArray attrib_list)
    268 {
    269     if (display == NULL || config == NULL || native_pixmap == NULL
    270         || !validAttribList(_env, attrib_list)) {
    271         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    272         return;
    273     }
    274     EGLDisplay dpy = getDisplay(_env, display);
    275     EGLConfig  cnf = getConfig(_env, config);
    276     jint* base = 0;
    277 
    278     SkBitmap const * nativeBitmap =
    279             (SkBitmap const *)_env->GetIntField(native_pixmap,
    280                     gBitmap_NativeBitmapFieldID);
    281     SkPixelRef* ref = nativeBitmap ? nativeBitmap->pixelRef() : 0;
    282     if (ref == NULL) {
    283         jniThrowException(_env, "java/lang/IllegalArgumentException", "Bitmap has no PixelRef");
    284         return;
    285     }
    286 
    287     SkSafeRef(ref);
    288     ref->lockPixels();
    289 
    290     egl_native_pixmap_t pixmap;
    291     pixmap.version = sizeof(pixmap);
    292     pixmap.width  = nativeBitmap->width();
    293     pixmap.height = nativeBitmap->height();
    294     pixmap.stride = nativeBitmap->rowBytes() / nativeBitmap->bytesPerPixel();
    295     pixmap.format = convertPixelFormat(nativeBitmap->config());
    296     pixmap.data   = (uint8_t*)ref->pixels();
    297 
    298     base = beginNativeAttribList(_env, attrib_list);
    299     EGLSurface sur = eglCreatePixmapSurface(dpy, cnf, &pixmap, base);
    300     endNativeAttributeList(_env, attrib_list, base);
    301 
    302     if (sur != EGL_NO_SURFACE) {
    303         _env->SetIntField(out_sur, gSurface_EGLSurfaceFieldID, (int)sur);
    304         _env->SetIntField(out_sur, gSurface_NativePixelRefFieldID, (int)ref);
    305     } else {
    306         ref->unlockPixels();
    307         SkSafeUnref(ref);
    308     }
    309 }
    310 
    311 static jint jni_eglCreateWindowSurface(JNIEnv *_env, jobject _this, jobject display,
    312         jobject config, jobject native_window, jintArray attrib_list) {
    313     if (display == NULL || config == NULL
    314         || !validAttribList(_env, attrib_list)) {
    315         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    316         return JNI_FALSE;
    317     }
    318     EGLDisplay dpy = getDisplay(_env, display);
    319     EGLContext cnf = getConfig(_env, config);
    320     sp<ANativeWindow> window;
    321     if (native_window == NULL) {
    322 not_valid_surface:
    323         jniThrowException(_env, "java/lang/IllegalArgumentException",
    324                 "Make sure the SurfaceView or associated SurfaceHolder has a valid Surface");
    325         return 0;
    326     }
    327 
    328     window = android_view_Surface_getNativeWindow(_env, native_window);
    329     if (window == NULL)
    330         goto not_valid_surface;
    331 
    332     jint* base = beginNativeAttribList(_env, attrib_list);
    333     EGLSurface sur = eglCreateWindowSurface(dpy, cnf, window.get(), base);
    334     endNativeAttributeList(_env, attrib_list, base);
    335     return (jint)sur;
    336 }
    337 
    338 static jint jni_eglCreateWindowSurfaceTexture(JNIEnv *_env, jobject _this, jobject display,
    339         jobject config, jobject native_window, jintArray attrib_list) {
    340     if (display == NULL || config == NULL
    341         || !validAttribList(_env, attrib_list)) {
    342         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    343         return JNI_FALSE;
    344     }
    345     EGLDisplay dpy = getDisplay(_env, display);
    346     EGLContext cnf = getConfig(_env, config);
    347     sp<ANativeWindow> window;
    348     if (native_window == 0) {
    349 not_valid_surface:
    350         jniThrowException(_env, "java/lang/IllegalArgumentException",
    351                 "Make sure the SurfaceTexture is valid");
    352         return 0;
    353     }
    354 
    355     sp<IGraphicBufferProducer> producer(SurfaceTexture_getProducer(_env, native_window));
    356     window = new Surface(producer, true);
    357     if (window == NULL)
    358         goto not_valid_surface;
    359 
    360     jint* base = beginNativeAttribList(_env, attrib_list);
    361     EGLSurface sur = eglCreateWindowSurface(dpy, cnf, window.get(), base);
    362     endNativeAttributeList(_env, attrib_list, base);
    363     return (jint)sur;
    364 }
    365 
    366 static jboolean jni_eglGetConfigAttrib(JNIEnv *_env, jobject _this, jobject display,
    367         jobject config, jint attribute, jintArray value) {
    368     if (display == NULL || config == NULL
    369         || (value == NULL || _env->GetArrayLength(value) < 1)) {
    370         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    371         return JNI_FALSE;
    372     }
    373     EGLDisplay dpy = getDisplay(_env, display);
    374     EGLContext cnf = getConfig(_env, config);
    375     jboolean success = JNI_FALSE;
    376     jint localValue;
    377     success = eglGetConfigAttrib(dpy, cnf, attribute, &localValue);
    378     if (success) {
    379         _env->SetIntArrayRegion(value, 0, 1, &localValue);
    380     }
    381     return success;
    382 }
    383 
    384 static jboolean jni_eglGetConfigs(JNIEnv *_env, jobject _this, jobject display,
    385         jobjectArray configs, jint config_size, jintArray num_config) {
    386     if (display == NULL || (configs != NULL && _env->GetArrayLength(configs) < config_size)
    387         || (num_config != NULL && _env->GetArrayLength(num_config) < 1)) {
    388         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    389         return JNI_FALSE;
    390     }
    391     EGLDisplay dpy = getDisplay(_env, display);
    392     jboolean success = JNI_FALSE;
    393     if (configs == NULL) {
    394         config_size = 0;
    395     }
    396     EGLConfig nativeConfigs[config_size];
    397     int num;
    398     success = eglGetConfigs(dpy, configs ? nativeConfigs : 0, config_size, &num);
    399     if (num_config != NULL) {
    400         _env->SetIntArrayRegion(num_config, 0, 1, (jint*) &num);
    401     }
    402     if (success && configs) {
    403         for (int i=0 ; i<num ; i++) {
    404             jobject obj = _env->NewObject(gConfig_class, gConfig_ctorID, (jint)nativeConfigs[i]);
    405             _env->SetObjectArrayElement(configs, i, obj);
    406         }
    407     }
    408     return success;
    409 }
    410 
    411 static jint jni_eglGetError(JNIEnv *_env, jobject _this) {
    412     EGLint error = eglGetError();
    413     return error;
    414 }
    415 
    416 static jint jni_eglGetCurrentContext(JNIEnv *_env, jobject _this) {
    417     return (jint)eglGetCurrentContext();
    418 }
    419 
    420 static jint jni_eglGetCurrentDisplay(JNIEnv *_env, jobject _this) {
    421     return (jint)eglGetCurrentDisplay();
    422 }
    423 
    424 static jint jni_eglGetCurrentSurface(JNIEnv *_env, jobject _this, jint readdraw) {
    425     if ((readdraw != EGL_READ) && (readdraw != EGL_DRAW)) {
    426         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    427         return 0;
    428     }
    429     return (jint)eglGetCurrentSurface(readdraw);
    430 }
    431 
    432 static jboolean jni_eglDestroyContext(JNIEnv *_env, jobject _this, jobject display, jobject context) {
    433     if (display == NULL || context == NULL) {
    434         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    435         return JNI_FALSE;
    436     }
    437     EGLDisplay dpy = getDisplay(_env, display);
    438     EGLContext ctx = getContext(_env, context);
    439     return eglDestroyContext(dpy, ctx);
    440 }
    441 
    442 static jboolean jni_eglDestroySurface(JNIEnv *_env, jobject _this, jobject display, jobject surface) {
    443     if (display == NULL || surface == NULL) {
    444         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    445         return JNI_FALSE;
    446     }
    447     EGLDisplay dpy = getDisplay(_env, display);
    448     EGLSurface sur = getSurface(_env, surface);
    449 
    450     if (sur) {
    451         SkPixelRef* ref = (SkPixelRef*)(_env->GetIntField(surface,
    452                 gSurface_NativePixelRefFieldID));
    453         if (ref) {
    454             ref->unlockPixels();
    455             SkSafeUnref(ref);
    456         }
    457     }
    458     return eglDestroySurface(dpy, sur);
    459 }
    460 
    461 static jint jni_eglGetDisplay(JNIEnv *_env, jobject _this, jobject native_display) {
    462     return (jint)eglGetDisplay(EGL_DEFAULT_DISPLAY);
    463 }
    464 
    465 static jboolean jni_eglMakeCurrent(JNIEnv *_env, jobject _this, jobject display, jobject draw, jobject read, jobject context) {
    466     if (display == NULL || draw == NULL || read == NULL || context == NULL) {
    467         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    468         return JNI_FALSE;
    469     }
    470     EGLDisplay dpy = getDisplay(_env, display);
    471     EGLSurface sdr = getSurface(_env, draw);
    472     EGLSurface srd = getSurface(_env, read);
    473     EGLContext ctx = getContext(_env, context);
    474     return eglMakeCurrent(dpy, sdr, srd, ctx);
    475 }
    476 
    477 static jstring jni_eglQueryString(JNIEnv *_env, jobject _this, jobject display, jint name) {
    478     if (display == NULL) {
    479         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    480         return NULL;
    481     }
    482     EGLDisplay dpy = getDisplay(_env, display);
    483     const char* chars = eglQueryString(dpy, name);
    484     return _env->NewStringUTF(chars);
    485 }
    486 
    487 static jboolean jni_eglSwapBuffers(JNIEnv *_env, jobject _this, jobject display, jobject surface) {
    488     if (display == NULL || surface == NULL) {
    489         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    490         return JNI_FALSE;
    491     }
    492     EGLDisplay dpy = getDisplay(_env, display);
    493     EGLSurface sur = getSurface(_env, surface);
    494     return eglSwapBuffers(dpy, sur);
    495 }
    496 
    497 static jboolean jni_eglTerminate(JNIEnv *_env, jobject _this, jobject display) {
    498     if (display == NULL) {
    499         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    500         return JNI_FALSE;
    501     }
    502     EGLDisplay dpy = getDisplay(_env, display);
    503     return eglTerminate(dpy);
    504 }
    505 
    506 static jboolean jni_eglCopyBuffers(JNIEnv *_env, jobject _this, jobject display,
    507         jobject surface, jobject native_pixmap) {
    508     if (display == NULL || surface == NULL || native_pixmap == NULL) {
    509         jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
    510         return JNI_FALSE;
    511     }
    512     // TODO: Implement this
    513     return JNI_FALSE;
    514 }
    515 
    516 static jboolean jni_eglWaitGL(JNIEnv *_env, jobject _this) {
    517     return eglWaitGL();
    518 }
    519 
    520 static jboolean jni_eglWaitNative(JNIEnv *_env, jobject _this, jint engine, jobject bindTarget) {
    521     return eglWaitNative(engine);
    522 }
    523 
    524 
    525 static const char *classPathName = "com/google/android/gles_jni/EGLImpl";
    526 
    527 #define DISPLAY "Ljavax/microedition/khronos/egl/EGLDisplay;"
    528 #define CONTEXT "Ljavax/microedition/khronos/egl/EGLContext;"
    529 #define CONFIG  "Ljavax/microedition/khronos/egl/EGLConfig;"
    530 #define SURFACE "Ljavax/microedition/khronos/egl/EGLSurface;"
    531 #define OBJECT  "Ljava/lang/Object;"
    532 #define STRING  "Ljava/lang/String;"
    533 
    534 static JNINativeMethod methods[] = {
    535 {"_nativeClassInit","()V", (void*)nativeClassInit },
    536 {"eglWaitGL",       "()Z", (void*)jni_eglWaitGL },
    537 {"eglInitialize",   "(" DISPLAY "[I)Z", (void*)jni_eglInitialize },
    538 {"eglQueryContext", "(" DISPLAY CONTEXT "I[I)Z", (void*)jni_eglQueryContext },
    539 {"eglQuerySurface", "(" DISPLAY SURFACE "I[I)Z", (void*)jni_eglQuerySurface },
    540 {"eglReleaseThread","()Z", (void*)jni_eglReleaseThread },
    541 {"getInitCount",    "(" DISPLAY ")I", (void*)jni_getInitCount },
    542 {"eglChooseConfig", "(" DISPLAY "[I[" CONFIG "I[I)Z", (void*)jni_eglChooseConfig },
    543 {"_eglCreateContext","(" DISPLAY CONFIG CONTEXT "[I)I", (void*)jni_eglCreateContext },
    544 {"eglGetConfigs",   "(" DISPLAY "[" CONFIG "I[I)Z", (void*)jni_eglGetConfigs },
    545 {"eglTerminate",    "(" DISPLAY ")Z", (void*)jni_eglTerminate },
    546 {"eglCopyBuffers",  "(" DISPLAY SURFACE OBJECT ")Z", (void*)jni_eglCopyBuffers },
    547 {"eglWaitNative",   "(I" OBJECT ")Z", (void*)jni_eglWaitNative },
    548 {"eglGetError",     "()I", (void*)jni_eglGetError },
    549 {"eglGetConfigAttrib", "(" DISPLAY CONFIG "I[I)Z", (void*)jni_eglGetConfigAttrib },
    550 {"_eglGetDisplay",   "(" OBJECT ")I", (void*)jni_eglGetDisplay },
    551 {"_eglGetCurrentContext",  "()I", (void*)jni_eglGetCurrentContext },
    552 {"_eglGetCurrentDisplay",  "()I", (void*)jni_eglGetCurrentDisplay },
    553 {"_eglGetCurrentSurface",  "(I)I", (void*)jni_eglGetCurrentSurface },
    554 {"_eglCreatePbufferSurface","(" DISPLAY CONFIG "[I)I", (void*)jni_eglCreatePbufferSurface },
    555 {"_eglCreatePixmapSurface", "(" SURFACE DISPLAY CONFIG OBJECT "[I)V", (void*)jni_eglCreatePixmapSurface },
    556 {"_eglCreateWindowSurface", "(" DISPLAY CONFIG OBJECT "[I)I", (void*)jni_eglCreateWindowSurface },
    557 {"_eglCreateWindowSurfaceTexture", "(" DISPLAY CONFIG OBJECT "[I)I", (void*)jni_eglCreateWindowSurfaceTexture },
    558 {"eglDestroyContext",      "(" DISPLAY CONTEXT ")Z", (void*)jni_eglDestroyContext },
    559 {"eglDestroySurface",      "(" DISPLAY SURFACE ")Z", (void*)jni_eglDestroySurface },
    560 {"eglMakeCurrent",         "(" DISPLAY SURFACE SURFACE CONTEXT")Z", (void*)jni_eglMakeCurrent },
    561 {"eglQueryString",         "(" DISPLAY "I)" STRING, (void*)jni_eglQueryString },
    562 {"eglSwapBuffers",         "(" DISPLAY SURFACE ")Z", (void*)jni_eglSwapBuffers },
    563 };
    564 
    565 } // namespace android
    566 
    567 int register_com_google_android_gles_jni_EGLImpl(JNIEnv *_env)
    568 {
    569     int err;
    570     err = android::AndroidRuntime::registerNativeMethods(_env,
    571             android::classPathName, android::methods, NELEM(android::methods));
    572     return err;
    573 }
    574