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// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
// 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
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef libEGL_hpp
#define libEGL_hpp
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include "Common/SharedLibrary.hpp"
class LibEGLexports
EGLint (EGLAPIENTRY* eglGetError)(void);
EGLDisplay (EGLAPIENTRY* eglGetDisplay)(EGLNativeDisplayType display_id);
EGLBoolean (EGLAPIENTRY* eglInitialize)(EGLDisplay dpy, EGLint *major, EGLint *minor);
EGLBoolean (EGLAPIENTRY* eglTerminate)(EGLDisplay dpy);
const char *(EGLAPIENTRY* eglQueryString)(EGLDisplay dpy, EGLint name);
EGLBoolean (EGLAPIENTRY* eglGetConfigs)(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
EGLBoolean (EGLAPIENTRY* eglChooseConfig)(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config);
EGLBoolean (EGLAPIENTRY* eglGetConfigAttrib)(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value);
EGLSurface (EGLAPIENTRY* eglCreateWindowSurface)(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType window, const EGLint *attrib_list);
EGLSurface (EGLAPIENTRY* eglCreatePbufferSurface)(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
EGLSurface (EGLAPIENTRY* eglCreatePixmapSurface)(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list);
EGLBoolean (EGLAPIENTRY* eglDestroySurface)(EGLDisplay dpy, EGLSurface surface);
EGLBoolean (EGLAPIENTRY* eglQuerySurface)(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value);
EGLBoolean (EGLAPIENTRY* eglBindAPI)(EGLenum api);
EGLenum (EGLAPIENTRY* eglQueryAPI)(void);
EGLBoolean (EGLAPIENTRY* eglWaitClient)(void);
EGLBoolean (EGLAPIENTRY* eglReleaseThread)(void);
EGLSurface (EGLAPIENTRY* eglCreatePbufferFromClientBuffer)(EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list);
EGLBoolean (EGLAPIENTRY* eglSurfaceAttrib)(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value);
EGLBoolean (EGLAPIENTRY* eglBindTexImage)(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
EGLBoolean (EGLAPIENTRY* eglReleaseTexImage)(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
EGLBoolean (EGLAPIENTRY* eglSwapInterval)(EGLDisplay dpy, EGLint interval);
EGLContext (EGLAPIENTRY* eglCreateContext)(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list);
EGLBoolean (EGLAPIENTRY* eglDestroyContext)(EGLDisplay dpy, EGLContext ctx);
EGLBoolean (EGLAPIENTRY* eglMakeCurrent)(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
EGLContext (EGLAPIENTRY* eglGetCurrentContext)(void);
EGLSurface (EGLAPIENTRY* eglGetCurrentSurface)(EGLint readdraw);
EGLDisplay (EGLAPIENTRY* eglGetCurrentDisplay)(void);
EGLBoolean (EGLAPIENTRY* eglQueryContext)(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value);
EGLBoolean (EGLAPIENTRY* eglWaitGL)(void);
EGLBoolean (EGLAPIENTRY* eglWaitNative)(EGLint engine);
EGLBoolean (EGLAPIENTRY* eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface);
EGLBoolean (EGLAPIENTRY* eglCopyBuffers)(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target);
EGLImageKHR (EGLAPIENTRY* eglCreateImageKHR)(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
EGLBoolean (EGLAPIENTRY* eglDestroyImageKHR)(EGLDisplay dpy, EGLImageKHR image);
__eglMustCastToProperFunctionPointerType (EGLAPIENTRY* eglGetProcAddress)(const char*);
EGLSyncKHR (EGLAPIENTRY* eglCreateSyncKHR)(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
EGLBoolean (EGLAPIENTRY* eglDestroySyncKHR)(EGLDisplay dpy, EGLSyncKHR sync);
EGLint (EGLAPIENTRY* eglClientWaitSyncKHR)(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
EGLBoolean (EGLAPIENTRY* eglGetSyncAttribKHR)(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
// Functions that don't change the error code, for use by client APIs
egl::Context *(*clientGetCurrentContext)();
class LibEGL
LibEGLexports *operator->()
return loadExports();
LibEGLexports *loadExports()
if(!loadLibraryAttempted && !libEGL)
#if defined(_WIN32)
#if defined(__LP64__)
const char *libEGL_lib[] = {"libswiftshader_libEGL.dll", "libEGL.dll", "lib64EGL_translator.dll", "libEGL_deprecated.dll"};
const char *libEGL_lib[] = {"libswiftshader_libEGL.dll", "libEGL.dll", "libEGL_translator.dll", "libEGL_deprecated.dll"};
#elif defined(__ANDROID__)
const char *libEGL_lib[] = {"", ""};
#elif defined(__linux__)
#if defined(__LP64__)
const char *libEGL_lib[] = {"", "", "", "", ""};
const char *libEGL_lib[] = {"", "", "", "", ""};
#elif defined(__APPLE__)
#if defined(__LP64__)
const char *libEGL_lib[] = {"libswiftshader_libEGL.dylib", "lib64EGL_translator.dylib", "", "libEGL.dylib", "libEGL_deprecated.dylib"};
const char *libEGL_lib[] = {"libswiftshader_libEGL.dylib", "libEGL_translator.dylib", "", "libEGL_deprecated.dylib"};
#elif defined(__Fuchsia__)
const char *libEGL_lib[] = {"", "", ""};
#error "libEGL::loadExports unimplemented for this platform"
std::string directory = getModuleDirectory();
libEGL = loadLibrary(directory, libEGL_lib, "libEGL_swiftshader");
auto libEGL_swiftshader = (LibEGLexports *(*)())getProcAddress(libEGL, "libEGL_swiftshader");
libEGLexports = libEGL_swiftshader();
loadLibraryAttempted = true;
return libEGLexports;
void *libEGL = nullptr;
LibEGLexports *libEGLexports = nullptr;
bool loadLibraryAttempted = false;
#endif // libEGL_hpp