74 lines
1.3 KiB
C++
74 lines
1.3 KiB
C++
//
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// Created by lukas on 05.02.22.
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//
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#ifndef OPENGLTEST_RENDERBASE_H
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#define OPENGLTEST_RENDERBASE_H
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#include <iostream>
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#include "../gl/Renderer.h"
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#include "../gl/Shader.h"
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template<class T>
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class RenderBase {
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private:
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static RenderBase *instance;
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protected:
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RenderBase() {
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if (instance) throw std::logic_error("Instance already exists");
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instance = this;
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}
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public:
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virtual VertexArray *setVertexArray() = 0;
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virtual Shader setShader() = 0;
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virtual IndexBuffer *setIndexBuffer() = 0;
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static RenderBase *getInstance() {
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if (instance == nullptr) {
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new T();
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instance->init();
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}
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return instance;
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}
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public:
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Renderer r;
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VertexArray *va;
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IndexBuffer *ib;
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Shader s;
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public:
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virtual void render() {
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r.render(*va, *ib, s);
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}
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void init() {
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s = setShader();
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va = setVertexArray();
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ib = setIndexBuffer();
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}
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void deinit() {
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glDeleteProgram(s.getHandle());
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}
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unsigned getMVPhandle() {
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return s.getUniformHandle("MVP");
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}
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unsigned getUniformhandle(std::string name) {
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return s.getUniformHandle(std::move(name));
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}
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};
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template<class T>
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RenderBase<T> *RenderBase<T>::instance = nullptr;
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#endif //OPENGLTEST_RENDERBASE_H
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