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//* Copyright 2019 The Dawn & Tint Authors
//*
//* Redistribution and use in source and binary forms, with or without
//* modification, are permitted provided that the following conditions are met:
//*
//* 1. Redistributions of source code must retain the above copyright notice, this
//* list of conditions and the following disclaimer.
//*
//* 2. Redistributions in binary form must reproduce the above copyright notice,
//* this list of conditions and the following disclaimer in the documentation
//* and/or other materials provided with the distribution.
//*
//* 3. Neither the name of the copyright holder nor the names of its
//* contributors may be used to endorse or promote products derived from
//* this software without specific prior written permission.
//*
//* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
//* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
//* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
//* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
//* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
//* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
//* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
//* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
//* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
//* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef DAWNNATIVE_OPENGL_OPENGLFUNCTIONSBASE_H_
#define DAWNNATIVE_OPENGL_OPENGLFUNCTIONSBASE_H_
#include <unordered_set>
#include "dawn/native/Error.h"
#include "dawn/native/opengl/opengl_platform.h"
namespace dawn::native::opengl {
struct OpenGLFunctionsBase {
public:
{% for block in header_blocks %}
// {{block.description}}
{% for proc in block.procs %}
{{proc.PFNGLPROCNAME()}} {{proc.ProcName()}} = nullptr;
{% endfor %}
{% endfor%}
bool IsGLExtensionSupported(const char* extension) const;
protected:
#if defined(DAWN_ENABLE_BACKEND_DESKTOP_GL)
MaybeError LoadDesktopGLProcs(GLGetProcProc getProc, int majorVersion, int minorVersion);
#endif
#if defined(DAWN_ENABLE_BACKEND_OPENGLES)
MaybeError LoadOpenGLESProcs(GLGetProcProc getProc, int majorVersion, int minorVersion);
#endif
private:
template<typename T>
MaybeError LoadProc(GLGetProcProc getProc, T* memberProc, const char* name);
void InitializeSupportedGLExtensions();
std::unordered_set<std::string> mSupportedGLExtensionsSet;
};
} // namespace dawn::native::opengl
#endif // DAWNNATIVE_OPENGL_OPENGLFUNCTIONSBASE_H_