chromium/third_party/angle/src/libANGLE/renderer/gl/egl/FunctionsEGLDL.cpp

//
// Copyright 2016 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// FunctionsEGLDL.cpp: Implements the FunctionsEGLDL class.

#include "libANGLE/renderer/gl/egl/FunctionsEGLDL.h"

#include <dlfcn.h>

namespace rx
{
namespace
{
// In ideal world, we would want this to be a member of FunctionsEGLDL,
// and call dlclose() on it in ~FunctionsEGLDL().
// However, some GL implementations are broken and don't allow multiple
// load/unload cycles, but only static linking with them.
// That's why we dlopen() this handle once and never dlclose() it.
// This is consistent with Chromium's CleanupNativeLibraries() code,
// referencing crbug.com/250813 and http://www.xfree86.org/4.3.0/DRI11.html
void *nativeEGLHandle;
}  // anonymous namespace

FunctionsEGLDL::FunctionsEGLDL() : … { … }

FunctionsEGLDL::~FunctionsEGLDL() { … }

egl::Error FunctionsEGLDL::initialize(EGLAttrib platformType,
                                      EGLNativeDisplayType nativeDisplay,
                                      const char *libName,
                                      void *eglHandle)
{ … }

void *FunctionsEGLDL::getProcAddress(const char *name) const
{ … }

}  // namespace rx