36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
// Copyright (C) 2015 The Android Open Source Project
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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 GLCOMMON_GL_LIBRARY_H
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#define GLCOMMON_GL_LIBRARY_H
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// An interface class used to model the desktop GL library to use at runtime.
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// Use GlLibrary::getHostInstance() to retrieve the instance corresponding
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// to the host's default system GL library.
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class GlLibrary {
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public:
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// Generic pointer-to-function type.
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typedef void (*GlFunctionPointer)(void);
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// Empty constructor.
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GlLibrary() {}
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// Empty destructor.
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virtual ~GlLibrary() {}
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// Find the function named |name| in the library and return its address.
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virtual GlFunctionPointer findSymbol(const char* name) = 0;
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};
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#endif // GLCOMMON_GL_LIBRARY_H
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