60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#include <gl3w/GL/gl3w.h> // Must be included first
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#include "render.hpp"
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#include "config.hpp"
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#include <cstdio>
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namespace{
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void handle_resize_event(GLFWwindow*, int width, int height){
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debug_print("Window resized\n");
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glViewport(0, 0, width, height);
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}
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}
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render_manager::render_manager() :
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m_window_close_callback(nullptr),
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m_input_handler(nullptr),
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m_main_window(nullptr){}
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render_manager::renderer_error render_manager::init (int width, int height, const char* title){
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if(!glfwInit()){
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fprintf(stderr, "[EE] failed to initialize GLFW.\n");
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return RENDERER_INIT_ERROR;
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}
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
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glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
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m_main_window = glfwCreateWindow(width, height, title, nullptr, nullptr);
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if(!m_main_window){
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fprintf(stderr, "[EE] Could not create window\n");
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return RENDERER_WINDOW_ERROR;
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}
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glfwMakeContextCurrent(m_main_window);
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if(gl3wInit()){
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fprintf(stderr, "[EE] failed to initialize OpenGL\n");
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return RENDERER_CONTEXT_ERROR;
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}
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glViewport(0, 0, width, height);
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debug_print("[DD] OpenGL %s, GLSL %s\n", glGetString(GL_VERSION), glGetString(GL_SHADING_LANGUAGE_VERSION));
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glfwSetFramebufferSizeCallback(m_main_window, handle_resize_event);
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return RENDERER_OK;
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}
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void render_manager::update(){
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glfwSwapBuffers(m_main_window);
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glfwPollEvents();
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}
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void render_manager::request_exit(){
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if(m_window_close_callback)
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m_window_close_callback();
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glfwSetWindowShouldClose(m_main_window, GLFW_TRUE);
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}
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