47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// Copyright 2021 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef DAWNNATIVE_XLIBXCBFUNCTIONS_H_
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#define DAWNNATIVE_XLIBXCBFUNCTIONS_H_
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#include "common/DynamicLib.h"
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#include "dawn_native/Error.h"
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#include "common/xlib_with_undefs.h"
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class DynamicLib;
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namespace dawn_native {
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// A helper class that dynamically loads the x11-xcb library that contains XGetXCBConnection
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// (and nothing else). This has to be dynamic because this libraries isn't present on all Linux
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// deployment platforms that Chromium targets.
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class XlibXcbFunctions {
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public:
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XlibXcbFunctions();
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~XlibXcbFunctions();
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bool IsLoaded() const;
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// Functions from x11-xcb
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decltype(&::XGetXCBConnection) xGetXCBConnection = nullptr;
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private:
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DynamicLib mLib;
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_XLIBXCBFUNCTIONS_H_
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