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// Copyright 1996-2023 Cyberbotics Ltd.
//
// 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
//
// https://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 GL_USER_HPP
#define GL_USER_HPP
#include "Constants.hpp"
#include <vector>
namespace wren {
// Classes which would otherwise apply OpenGL state changes outside of the render loop
// need to inherit from this class and override its virtual methods.
class GlUser {
public:
enum GlAction { GL_ACTION_PREPARE, GL_ACTION_CLEANUP, GL_ACTION_DELETE };
static void applyGl();
void setRequireAction(GlAction action);
protected:
GlUser() {}
virtual ~GlUser() {}
virtual void cleanupGl() = 0;
virtual void prepareGl() = 0;
private:
static std::vector<std::pair<GlUser *, GlUser::GlAction>> cUsersRequiringAction;
};
} // namespace wren
#endif // GL_USER_HPP