gearlib/src/main.c

#include <init.h>
#include <debugging.h>
#include <shaders.h>
#include <events.h>

int main() {
    init_gl(4, 6);
    GLFWwindow* window = create_window(800, 600, "gearlib");
    enable_debugging();

    float vertices[] = {
        -0.5f, -0.5f, 0.0f,  // bottom left
         0.5f, -0.5f, 0.0f,  // bottom right
         0.0f,  0.5f, 0.0f   // top
    };

    uint32_t vbo;
    glCreateBuffers(1, &vbo);
    glNamedBufferStorage(vbo, sizeof(vertices), vertices, GL_DYNAMIC_STORAGE_BIT);

    uint32_t vao;
    glCreateVertexArrays(1, &vao);
    glVertexArrayVertexBuffer(vao, 0, vbo, 0, 3 * sizeof(float));
    glEnableVertexArrayAttrib(vao, 0);
    glVertexArrayAttribFormat(vao, 0, 3, GL_FLOAT, GL_FALSE, 0);
    glVertexArrayAttribBinding(vao, 0, 0);

    uint32_t program = load_shader_program(
            compile_shader("shader.vert", GL_VERTEX_SHADER),
            compile_shader("shader.frag", GL_FRAGMENT_SHADER), 0);

    while (!glfwWindowShouldClose(window)) {
        process_input(window);

        glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
        glClear(GL_COLOR_BUFFER_BIT);

        glUseProgram(program);

        glBindVertexArray(vao);
        glDrawArrays(GL_TRIANGLES, 0, 3);
        
        glfwSwapBuffers(window);
        glfwPollEvents();
    }

    glfwTerminate();
    return 0;
}