Inferno Game Engine
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/*
* Copyright (C) 2022 Riyyi
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#include <cstdint> // int32_t, uint32_t
#include <memory> // std::shared_ptr
#include <string> // std::string
#include <unordered_map> // std::unordered_map
#include "glm/glm.hpp"
#include "ruc/singleton.h"
namespace Inferno {
class Shader {
public:
Shader(const std::string& name);
virtual ~Shader();
int32_t findUniform(const std::string& name) const;
void setInt(const std::string& name, int value);
void setInt(const std::string& name, int* values, uint32_t count);
void setFloat(const std::string& name, float value) const;
void setFloat(const std::string& name, float v1, float v2, float v3, float v4) const;
void setFloat(const std::string& name, glm::vec2 value) const;
void setFloat(const std::string& name, glm::vec3 value) const;
void setFloat(const std::string& name, glm::vec4 value) const;
void setFloat(const std::string& name, glm::mat3 matrix) const;
void setFloat(const std::string& name, glm::mat4 matrix) const;
void bind() const;
void unbind() const;
inline std::string name() const { return m_name; }
inline uint32_t id() const { return m_id; }
protected:
uint32_t compileShader(int32_t type, const char* shaderSource) const;
uint32_t linkShader(uint32_t vertex, uint32_t fragment) const;
int32_t checkStatus(uint32_t check, bool isProgram = false) const;
private:
std::string m_name;
uint32_t m_id;
};
// -------------------------------------
class ShaderManager final : public ruc::Singleton<ShaderManager> {
public:
ShaderManager(s);
virtual ~ShaderManager();
void add(const std::string& name, std::shared_ptr<Shader> shader);
std::shared_ptr<Shader> load(const std::string& name);
std::shared_ptr<Shader> load(const std::string& vertexSource,
const std::string& fragmentSource);
std::shared_ptr<Shader> get(const std::string& name);
bool exists(const std::string& name);
void remove(const std::string& name);
void remove(std::shared_ptr<Shader> shader);
protected:
std::string computeName(const std::string& vertexSource,
const std::string& fragmentSource);
private:
std::unordered_map<std::string, std::shared_ptr<Shader>> m_shaderList;
};
} // namespace Inferno