Can you write OpenGL shader in different file and later link it to the program?

Can you write OpenGL shader in a different file and later link it to the program? and if it’s possible how? writing OpenGL shader in string makes my code messy.

Here is example code for shaders:

const char* vertexShaderSource =
    "#version 330 core\n"
    "layout (location = 0) in vec3 aPos;\n"
    "layout (location = 1) in vec3 aColor;\n"
    "\n"
    "out vec3 ourColor;\n"
    "uniform vec2 angleValues;\n"
    "\n"
    "void main()\n"
    "{\n"
    "gl_Position = vec4(aPos.x * angleValues.x - aPos.y * angleValues.y, aPos.y * angleValues.x + aPos.x * angleValues.y , aPos.z, 1.0);\n"
    "ourColor = aColor;\n"
    "}\n";

const char* fragmentShaderSource =
    "#version 330 core\n"
    "out vec4 FragColor;\n"
    "in vec3 ourColor;\n"
    "\n"
    "void main()\n"
    "{\n"
    "FragColor = vec4(ourColor, 1.0);\n"
    "}\n";

>Solution :

Yes, you can have files like my_shader.vs or my_fragment.fs and link them like in this Shader class

Just initialize it like this:

shader = Shader("./shaders/my_shader.vs", "./shaders/my_fragment.fs");