Files
mcaselector-lite/src/io/window.c

75 lines
1.9 KiB
C

// Copyright (c) 2025 Quinn
// Licensed under the MIT Licence. See LICENSE for details
#include "window.h"
#include <glad/gl.h>
#include <GLFW/glfw3.h>
#include <assert.h>
#include "../error.h"
#include "input.h"
#include "render.h"
// macros for ease of access
#define WIN_NAME "MCA Selector Lite"
#define WIN_DEFAULT_WIDTH 640
#define WIN_DEFAULT_HEIGHT 480
static GLFWwindow *win = NULL;
int window_init(void) {
#ifndef NDEBUG
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE);
#endif
// initialize the window
glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // sets the profile to "core", so old, deprecated functions are disabled.
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
glfwWindowHint(GLFW_RED_BITS, 8);
glfwWindowHint(GLFW_GREEN_BITS, 8);
glfwWindowHint(GLFW_BLUE_BITS, 8);
glfwWindowHint(GLFW_ALPHA_BITS, 0);
win = glfwCreateWindow(WIN_DEFAULT_WIDTH, WIN_DEFAULT_HEIGHT, WIN_NAME, NULL, NULL);
if (!win) return 1;
// setup OpenGL for the window
glfwMakeContextCurrent(win);
if (!gladLoadGL(glfwGetProcAddress)) return 1;
glfwSwapInterval(1); // wait 1 screen update for a redraw a.k.a. "vsync". (not really applicable in this case but eh)
// configure callbacks
glfwSetKeyCallback(win, key_callback);
// print the OpenGL version information
debug(
"version info:\n"
"\tvendor: %s\n"
"\trenderer: %s\n"
"\tversion: %s\n"
"\tshading lang: %s\n",
glGetString(GL_VENDOR),
glGetString(GL_RENDERER),
glGetString(GL_VERSION),
glGetString(GL_SHADING_LANGUAGE_VERSION));
return 0;
}
void window_loop(void) {
assert(win != NULL);
render_init();
while (!glfwWindowShouldClose(win)) {
glfwWaitEvents(); // wait till an update has been given
render_update(win);
glfwSwapBuffers(win);
}
glfwDestroyWindow(win);
}