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      1 /*
      2 * Copyright (C) 2011 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 #include <stdio.h>
     17 #include <dlfcn.h>
     18 #include "egl_dispatch.h"
     19 
     20 
     21 egl_dispatch *loadEGL(const char *p_eglPath)
     22 {
     23     void *libEGL = dlopen(p_eglPath, RTLD_NOW);
     24     if (!libEGL) {
     25         return NULL;
     26     }
     27 
     28     egl_dispatch *disp = new egl_dispatch;
     29 
     30     void *ptr;
     31     ptr = dlsym(libEGL,"eglGetError"); disp->set_eglGetError((eglGetError_t)ptr);
     32     ptr = dlsym(libEGL,"eglGetDisplay"); disp->set_eglGetDisplay((eglGetDisplay_t)ptr);
     33     ptr = dlsym(libEGL,"eglInitialize"); disp->set_eglInitialize((eglInitialize_t)ptr);
     34     ptr = dlsym(libEGL,"eglTerminate"); disp->set_eglTerminate((eglTerminate_t)ptr);
     35     ptr = dlsym(libEGL,"eglQueryString"); disp->set_eglQueryString((eglQueryString_t)ptr);
     36     ptr = dlsym(libEGL,"eglGetConfigs"); disp->set_eglGetConfigs((eglGetConfigs_t)ptr);
     37     ptr = dlsym(libEGL,"eglChooseConfig"); disp->set_eglChooseConfig((eglChooseConfig_t)ptr);
     38     ptr = dlsym(libEGL,"eglGetConfigAttrib"); disp->set_eglGetConfigAttrib((eglGetConfigAttrib_t)ptr);
     39     ptr = dlsym(libEGL,"eglCreateWindowSurface"); disp->set_eglCreateWindowSurface((eglCreateWindowSurface_t)ptr);
     40     ptr = dlsym(libEGL,"eglCreatePbufferSurface"); disp->set_eglCreatePbufferSurface((eglCreatePbufferSurface_t)ptr);
     41     ptr = dlsym(libEGL,"eglCreatePixmapSurface"); disp->set_eglCreatePixmapSurface((eglCreatePixmapSurface_t)ptr);
     42     ptr = dlsym(libEGL,"eglDestroySurface"); disp->set_eglDestroySurface((eglDestroySurface_t)ptr);
     43     ptr = dlsym(libEGL,"eglQuerySurface"); disp->set_eglQuerySurface((eglQuerySurface_t)ptr);
     44     ptr = dlsym(libEGL,"eglBindAPI"); disp->set_eglBindAPI((eglBindAPI_t)ptr);
     45     ptr = dlsym(libEGL,"eglQueryAPI"); disp->set_eglQueryAPI((eglQueryAPI_t)ptr);
     46     ptr = dlsym(libEGL,"eglWaitClient"); disp->set_eglWaitClient((eglWaitClient_t)ptr);
     47     ptr = dlsym(libEGL,"eglReleaseThread"); disp->set_eglReleaseThread((eglReleaseThread_t)ptr);
     48     ptr = dlsym(libEGL,"eglCreatePbufferFromClientBuffer"); disp->set_eglCreatePbufferFromClientBuffer((eglCreatePbufferFromClientBuffer_t)ptr);
     49     ptr = dlsym(libEGL,"eglSurfaceAttrib"); disp->set_eglSurfaceAttrib((eglSurfaceAttrib_t)ptr);
     50     ptr = dlsym(libEGL,"eglBindTexImage"); disp->set_eglBindTexImage((eglBindTexImage_t)ptr);
     51     ptr = dlsym(libEGL,"eglReleaseTexImage"); disp->set_eglReleaseTexImage((eglReleaseTexImage_t)ptr);
     52     ptr = dlsym(libEGL,"eglSwapInterval"); disp->set_eglSwapInterval((eglSwapInterval_t)ptr);
     53     ptr = dlsym(libEGL,"eglCreateContext"); disp->set_eglCreateContext((eglCreateContext_t)ptr);
     54     ptr = dlsym(libEGL,"eglDestroyContext"); disp->set_eglDestroyContext((eglDestroyContext_t)ptr);
     55     ptr = dlsym(libEGL,"eglMakeCurrent"); disp->set_eglMakeCurrent((eglMakeCurrent_t)ptr);
     56     ptr = dlsym(libEGL,"eglGetCurrentContext"); disp->set_eglGetCurrentContext((eglGetCurrentContext_t)ptr);
     57     ptr = dlsym(libEGL,"eglGetCurrentSurface"); disp->set_eglGetCurrentSurface((eglGetCurrentSurface_t)ptr);
     58     ptr = dlsym(libEGL,"eglGetCurrentDisplay"); disp->set_eglGetCurrentDisplay((eglGetCurrentDisplay_t)ptr);
     59     ptr = dlsym(libEGL,"eglQueryContext"); disp->set_eglQueryContext((eglQueryContext_t)ptr);
     60     ptr = dlsym(libEGL,"eglWaitGL"); disp->set_eglWaitGL((eglWaitGL_t)ptr);
     61     ptr = dlsym(libEGL,"eglWaitNative"); disp->set_eglWaitNative((eglWaitNative_t)ptr);
     62     ptr = dlsym(libEGL,"eglSwapBuffers"); disp->set_eglSwapBuffers((eglSwapBuffers_t)ptr);
     63     ptr = dlsym(libEGL,"eglCopyBuffers"); disp->set_eglCopyBuffers((eglCopyBuffers_t)ptr);
     64     ptr = dlsym(libEGL,"eglGetProcAddress"); disp->set_eglGetProcAddress((eglGetProcAddress_t)ptr);
     65     ptr = dlsym(libEGL,"eglLockSurfaceKHR"); disp->set_eglLockSurfaceKHR((eglLockSurfaceKHR_t)ptr);
     66     ptr = dlsym(libEGL,"eglUnlockSurfaceKHR"); disp->set_eglUnlockSurfaceKHR((eglUnlockSurfaceKHR_t)ptr);
     67     ptr = dlsym(libEGL,"eglCreateImageKHR"); disp->set_eglCreateImageKHR((eglCreateImageKHR_t)ptr);
     68     ptr = dlsym(libEGL,"eglDestroyImageKHR"); disp->set_eglDestroyImageKHR((eglDestroyImageKHR_t)ptr);
     69     ptr = dlsym(libEGL,"eglCreateSyncKHR"); disp->set_eglCreateSyncKHR((eglCreateSyncKHR_t)ptr);
     70     ptr = dlsym(libEGL,"eglDestroySyncKHR"); disp->set_eglDestroySyncKHR((eglDestroySyncKHR_t)ptr);
     71     ptr = dlsym(libEGL,"eglClientWaitSyncKHR"); disp->set_eglClientWaitSyncKHR((eglClientWaitSyncKHR_t)ptr);
     72     ptr = dlsym(libEGL,"eglSignalSyncKHR"); disp->set_eglSignalSyncKHR((eglSignalSyncKHR_t)ptr);
     73     ptr = dlsym(libEGL,"eglGetSyncAttribKHR"); disp->set_eglGetSyncAttribKHR((eglGetSyncAttribKHR_t)ptr);
     74     ptr = dlsym(libEGL,"eglSetSwapRectangleANDROID"); disp->set_eglSetSwapRectangleANDROID((eglSetSwapRectangleANDROID_t)ptr);
     75 
     76     return disp;
     77 }
     78