mirror of
https://github.com/thepigeongenerator/mcaselector-lite.git
synced 2025-12-17 07:35:45 +01:00
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/* Copyright (c) 2025 Quinn
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* Licensed under the MIT Licence. See LICENSE for details */
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#include "window.h"
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#include <GLFW/glfw3.h>
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#include <assert.h>
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#include <glad/gl.h>
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#include "../types.h"
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#include "../util/error.h"
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#include "input.h"
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#include "render.h"
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static struct GLFWwindow *win = NULL;
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/* Initialises the GLFW window with some defaults,
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* then proceed to activate OpenGL on it. */
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int window_init(void)
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{
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// initialise the window
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#ifndef NDEBUG
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glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE);
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#endif
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glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);
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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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glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, 1);
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glfwWindowHint(GLFW_RED_BITS, 8);
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glfwWindowHint(GLFW_GREEN_BITS, 8);
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glfwWindowHint(GLFW_BLUE_BITS, 8);
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glfwWindowHint(GLFW_ALPHA_BITS, 0);
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/* NOTE: on my system; x86_64, GTX 1650 580.82.09-2, X11, i3, this causes one direct,
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* 2 indirect memory leaks. This is not my fault, and can safely be ignored. */
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win = glfwCreateWindow(640, 480, "MCA-Selector lite", NULL, NULL);
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if (!win)
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return 1;
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glfwMakeContextCurrent(win);
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if (!gladLoadGL(glfwGetProcAddress))
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return 1;
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/* wait 1 screen update for a redraw a.k.a. "vsync".
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(not really applicable in this case, but eh) */
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glfwSwapInterval(1);
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glfwSetKeyCallback(win, input_callback);
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debug("version info:\n"
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"\tvendor: %s\n"
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"\trenderer: %s\n"
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"\tversion: %s\n"
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"\tshading lang: %s\n",
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glGetString(GL_VENDOR), glGetString(GL_RENDERER), glGetString(GL_VERSION),
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glGetString(GL_SHADING_LANGUAGE_VERSION));
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return 0;
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}
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void window_loop(void)
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{
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assert(win);
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render_init();
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while (!glfwWindowShouldClose(win)) {
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glfwWaitEvents();
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render_update(win);
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glfwSwapBuffers(win);
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glfwPollEvents();
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}
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}
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void window_close(void)
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{
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assert(win);
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glfwSetWindowShouldClose(win, 1);
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}
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void window_free(void)
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{
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if (!win) {
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debug("window has already been freed.");
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return;
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}
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glfwDestroyWindow(win);
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render_free();
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win = NULL;
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}
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