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//
// Copyright 2021 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.
//
// dispatch.cpp: Implements a function to fetch the ANGLE OpenCL dispatch table.
#include "libOpenCL/dispatch.h"
#include "anglebase/no_destructor.h"
#include "common/system_utils.h"
#include <iostream>
#include <memory>
namespace cl
{
namespace
{
std::unique_ptr<angle::Library> &EntryPointsLib()
{
static angle::base::NoDestructor<std::unique_ptr<angle::Library>> sEntryPointsLib;
return *sEntryPointsLib;
}
} // anonymous namespace
cl_icd_dispatch &GetDispatch()
{
static cl_icd_dispatch *sDispatch = nullptr;
if (sDispatch == nullptr)
{
EntryPointsLib().reset(
angle::OpenSharedLibrary(ANGLE_GLESV2_LIBRARY_NAME, angle::SearchType::ApplicationDir));
if (EntryPointsLib())
{
sDispatch = reinterpret_cast<cl_icd_dispatch *>(
EntryPointsLib()->getSymbol("gCLIcdDispatchTable"));
if (sDispatch == nullptr)
{
std::cerr << "Error loading CL dispatch table." << std::endl;
}
}
else
{
std::cerr << "Error opening GLESv2 library." << std::endl;
}
}
return *sDispatch;
}
} // namespace cl
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