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// Copyright 2021 The Dawn Authors
//
// 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 DAWNNATIVE_XLIBXCBFUNCTIONS_H_
#define DAWNNATIVE_XLIBXCBFUNCTIONS_H_
#include "common/DynamicLib.h"
#include "dawn_native/Error.h"
#include "common/xlib_with_undefs.h"
class DynamicLib;
namespace dawn_native {
// A helper class that dynamically loads the x11-xcb library that contains XGetXCBConnection
// (and nothing else). This has to be dynamic because this libraries isn't present on all Linux
// deployment platforms that Chromium targets.
class XlibXcbFunctions {
public:
XlibXcbFunctions();
~XlibXcbFunctions();
bool IsLoaded() const;
// Functions from x11-xcb
decltype(&::XGetXCBConnection) xGetXCBConnection = nullptr;
private:
DynamicLib mLib;
};
} // namespace dawn_native
#endif // DAWNNATIVE_XLIBXCBFUNCTIONS_H_