| /* |
| ** Copyright 2007, 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_GLES_CM_HOOKS_H |
| #define ANDROID_GLES_CM_HOOKS_H |
| |
| #include <ctype.h> |
| #include <string.h> |
| #include <errno.h> |
| |
| #include <pthread.h> |
| |
| #include <EGL/egl.h> |
| #include <EGL/eglext.h> |
| #include <GLES/gl.h> |
| #include <GLES/glext.h> |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2ext.h> |
| #include <GLES3/gl3.h> |
| #include <GLES3/gl3ext.h> |
| |
| #if !defined(__arm__) && !defined(__mips__) |
| #define USE_SLOW_BINDING 1 |
| #else |
| #define USE_SLOW_BINDING 0 |
| #endif |
| #undef NELEM |
| #define NELEM(x) (sizeof(x)/sizeof(*(x))) |
| |
| // maximum number of GL extensions that can be used simultaneously in |
| // a given process. this limitation exists because we need to have |
| // a static function for each extension and currently these static functions |
| // are generated at compile time. |
| #define MAX_NUMBER_OF_GL_EXTENSIONS 256 |
| |
| |
| #if defined(HAVE_ANDROID_OS) && !USE_SLOW_BINDING && __OPTIMIZE__ |
| #define USE_FAST_TLS_KEY 1 |
| #else |
| #define USE_FAST_TLS_KEY 0 |
| #endif |
| |
| #if USE_FAST_TLS_KEY |
| # include <bionic_tls.h> /* special private C library header */ |
| #endif |
| |
| // ---------------------------------------------------------------------------- |
| namespace android { |
| // ---------------------------------------------------------------------------- |
| |
| // GL / EGL hooks |
| |
| #undef GL_ENTRY |
| #undef EGL_ENTRY |
| #define GL_ENTRY(_r, _api, ...) _r (*_api)(__VA_ARGS__); |
| #define EGL_ENTRY(_r, _api, ...) _r (*_api)(__VA_ARGS__); |
| |
| struct egl_t { |
| #include "EGL/egl_entries.in" |
| }; |
| |
| struct gl_hooks_t { |
| struct gl_t { |
| #include "entries.in" |
| } gl; |
| struct gl_ext_t { |
| __eglMustCastToProperFunctionPointerType extensions[MAX_NUMBER_OF_GL_EXTENSIONS]; |
| } ext; |
| }; |
| #undef GL_ENTRY |
| #undef EGL_ENTRY |
| |
| EGLAPI void setGlThreadSpecific(gl_hooks_t const *value); |
| EGLAPI gl_hooks_t const* getGlThreadSpecific(); |
| |
| // ---------------------------------------------------------------------------- |
| }; // namespace android |
| // ---------------------------------------------------------------------------- |
| |
| #endif /* ANDROID_GLES_CM_HOOKS_H */ |