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Monday, April 28, 2025

{hardware}: I am having bother setting opengl model to three.3


I am making an attempt to know how completely different variations of opengl work. I’m growing a recreation meant to help opengl3.3. Listed here are my system specs:

  • OS: Manjaro Linux
  • Renderer: Mesa Intel(R) HD Graphics 520 (SKL GT2)

Once I test my supported OpenGL model, I get this:

$ glxinfo | grep "OpenGL model"
OpenGL model string: 4.6 (Compatibility Profile) Mesa 24.2.8-arch1.1

Additionally, I am utilizing conan to produce my dependencies, so I am utilizing these variations:

From what I perceive, opengl is backward appropriate, so opengl3.3 code will work in opengl4.6, however I do not wish to use 4.6 whereas growing, in order to not by chance use opengl4.6 options.

I am at present making an attempt to set the model to opengl3.3 in my code through this:

    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_FALSE);

however then I attempt to print the present OpenGL model:

void print_opengl_info() {
    // Get OpenGL model and renderer information
    const char *model = (const char *)glGetString(GL_VERSION);
    const char *vendor = (const char *)glGetString(GL_VENDOR);
    const char *renderer = (const char *)glGetString(GL_RENDERER);
    const char *glslVersion = (const char *)glGetString(GL_SHADING_LANGUAGE_VERSION);

    // Print OpenGL model and {hardware} particulars
    std::cout 

However I get the next end result:

==== OpenGL Info ====
OpenGL Model: 4.6 (Core Profile) Mesa 24.2.8-arch1.1
Vendor: Intel
Renderer: Mesa Intel(R) HD Graphics 520 (SKL GT2)
GLSL Model: 4.60

However now I am confused, for my part, if I set the window trace to three.3, this could have returned opengl3.3, but it surely reveals opengl4.6, so it’s not utilizing the opengl model I requested. How can I make it level to opengl3.3 accurately?

(For extra particulars right here is the file that configures my window: https://github.com/cpp-toolbox/window/blob/predominant/window.cpp)

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