You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
2.2 KiB
71 lines
2.2 KiB
/*
|
|
** 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 <EGL/egl.h>
|
|
#include <stdint.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();
|
|
driver_t* attempt_to_load_angle(egl_connection_t* cnx);
|
|
driver_t* attempt_to_load_updated_driver(egl_connection_t* cnx);
|
|
driver_t* attempt_to_load_system_driver(egl_connection_t* cnx, const char* suffix, const bool exact);
|
|
void unload_system_driver(egl_connection_t* cnx);
|
|
void initialize_api(void* dso, egl_connection_t* cnx, uint32_t mask);
|
|
void init_angle_backend(void* dso, egl_connection_t* cnx);
|
|
|
|
static __attribute__((noinline)) void init_api(void* dso, const char* const* api,
|
|
const char* const* ref_api,
|
|
__eglMustCastToProperFunctionPointerType* curr,
|
|
getProcAddressType getProcAddress);
|
|
};
|
|
|
|
}; // namespace android
|
|
|
|
#endif /* ANDROID_EGL_LOADER_H */
|