| /* |
| ** Copyright 2009, The Android Open Source Project |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| #ifndef ANDROID_EGL_LOADER_H |
| #define ANDROID_EGL_LOADER_H |
| |
| #include <stdint.h> |
| |
| #include <EGL/egl.h> |
| |
| // ---------------------------------------------------------------------------- |
| namespace android { |
| // ---------------------------------------------------------------------------- |
| |
| struct egl_connection_t; |
| |
| class Loader { |
| typedef __eglMustCastToProperFunctionPointerType (* getProcAddressType)(const char*); |
| |
| enum { |
| EGL = 0x01, |
| GLESv1_CM = 0x02, |
| GLESv2 = 0x04, |
| PLATFORM = 0x08 |
| }; |
| struct driver_t { |
| explicit driver_t(void* gles); |
| ~driver_t(); |
| // returns -errno |
| int set(void* hnd, int32_t api); |
| void* dso[3]; |
| }; |
| |
| getProcAddressType getProcAddress; |
| |
| public: |
| static Loader& getInstance(); |
| ~Loader(); |
| |
| void* open(egl_connection_t* cnx); |
| void close(egl_connection_t* cnx); |
| |
| private: |
| Loader(); |
| void *load_driver(const char* kind, egl_connection_t* cnx, uint32_t mask); |
| |
| static __attribute__((noinline)) |
| void init_api(void* dso, |
| char const * const * api, |
| char const * const * ref_api, |
| __eglMustCastToProperFunctionPointerType* curr, |
| getProcAddressType getProcAddress); |
| }; |
| |
| // ---------------------------------------------------------------------------- |
| }; // namespace android |
| // ---------------------------------------------------------------------------- |
| |
| #endif /* ANDROID_EGL_LOADER_H */ |