39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
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//
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// Created by jie on 2023/10/11.
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//
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#ifndef LEARNOPENGL_SHADERHELPER_H
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#define LEARNOPENGL_SHADERHELPER_H
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#include "glad/glad.h"
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#include <filesystem>
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#include <type_traits>
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class ShaderService {
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private:
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unsigned int programId;
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public:
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ShaderService(const std::filesystem::path &vertexShaderPath, const std::filesystem::path &fragShaderPath);
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bool CheckShader(unsigned int shaderIndex, bool isProgram = false);
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void Use();
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template<typename T>
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requires std::is_same_v<T, bool> || std::is_same_v<T, int> || std::is_same_v<T, float>
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void SetUniform(std::string_view name, T value);
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};
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template<typename T>
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requires std::is_same_v<T, bool> || std::is_same_v<T, int> || std::is_same_v<T, float>
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void ShaderService::SetUniform(std::string_view name, T value) {
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if constexpr (std::is_same_v<T, bool>) {
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glUniform1i(glGetUniformLocation(programId, name.data()), (int) value);
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} else if constexpr (std::is_same_v<T, int>) {
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glUniform1i(glGetUniformLocation(programId, name.data()), value);
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} else if constexpr (std::is_same_v<T, float>) {
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glUniform1f(glGetUniformLocation(programId, name.data()), value);
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}
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}
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#endif //LEARNOPENGL_SHADERHELPER_H
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