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/*
** 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>
#if !defined(__arm__)
#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 */
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