| // 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 SRC_DAWN_NATIVE_XLIBXCBFUNCTIONS_H_ |
| #define SRC_DAWN_NATIVE_XLIBXCBFUNCTIONS_H_ |
| |
| #include "dawn/common/DynamicLib.h" |
| #include "dawn/native/Error.h" |
| |
| #include "dawn/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 // SRC_DAWN_NATIVE_XLIBXCBFUNCTIONS_H_ |