init

include/shaderService.h

@@ -0,0 +1,56 @@
+//
+// Created by jie on 2023/10/11.
+//
+
+#ifndef LEARNOPENGL_SHADERHELPER_H
+#define LEARNOPENGL_SHADERHELPER_H
+
+#include "glad/glad.h"
+#include <filesystem>
+#include <type_traits>
+#include <glm/glm.hpp>
+
+class ShaderService
+{
+private:
+    unsigned int programId;
+
+public:
+    ShaderService(const std::filesystem::path &vertexShaderPath, const std::filesystem::path &fragShaderPath);
+    bool CheckShader(unsigned int shaderIndex, bool isProgram = false);
+    void Use();
+    inline unsigned int GetId() { return this->programId; }
+    template <typename T>
+        requires std::is_same_v<T, bool> || std::is_same_v<T, int> || std::is_same_v<T, float> ||
+                 std::is_same_v<T, glm::mat4> || std::is_same_v<T, glm::vec3>
+    void SetUniform(std::string_view name, T value);
+};
+
+template <typename T>
+    requires std::is_same_v<T, bool> || std::is_same_v<T, int> || std::is_same_v<T, float> ||
+             std::is_same_v<T, glm::mat4> || std::is_same_v<T, glm::vec3>
+void ShaderService::SetUniform(std::string_view name, T value)
+{
+    if constexpr (std::is_same_v<T, bool>)
+    {
+        glUniform1i(glGetUniformLocation(programId, name.data()), (int)value);
+    }
+    else if constexpr (std::is_same_v<T, int>)
+    {
+        glUniform1i(glGetUniformLocation(programId, name.data()), value);
+    }
+    else if constexpr (std::is_same_v<T, float>)
+    {
+        glUniform1f(glGetUniformLocation(programId, name.data()), value);
+    }
+    else if constexpr (std::is_same_v<T, glm::mat4>)
+    {
+        const auto index = glGetUniformLocation(this->programId, name.data());
+        glUniformMatrix4fv(index, 1, GL_FALSE, &value[0][0]);
+    }
+    else if constexpr (std::is_same_v<T, glm::vec3>){
+        glUniform3fv(glGetUniformLocation(programId, name.data()), 1, &value[0]);
+    }
+}
+
+#endif // LEARNOPENGL_SHADERHELPER_H