92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
#include <stdio.h>
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#include <stdlib.h>
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#include "window.hpp"
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#include <GL/glew.h>
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#include <GLFW/glfw3.h>
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#define MIN_WIDTH 854
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#define MIN_HEIGHT 480
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void framebuffer_size_callback(GLFWwindow *, int width, int height) {
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glViewport(0, 0, width, height);
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}
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GLFWwindow* createWindow(int samples) {
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GLFWwindow *window;
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// Initialise GLFW
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if (!glfwInit()) {
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fprintf(stderr, "Failed to initialize GLFW\n");
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getchar();
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return NULL;
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}
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glfwWindowHint(GLFW_SAMPLES, samples);
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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_FORWARD_COMPAT, GL_TRUE); // To make MacOS happy; should not be needed
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glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
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#if FIXED_WINDOW
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glfwWindowHint(GLFW_RESIZABLE, false); //Note: Dev-only: Force floating on i3
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#endif
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window = glfwCreateWindow(DEFAULT_WIDTH, DEFAULT_HEIGHT, "Univerxel", NULL, NULL);
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if (window == NULL) {
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fprintf(stderr, "Failed to open GLFW window.\n");
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getchar();
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glfwTerminate();
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return NULL;
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}
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glfwMakeContextCurrent(window);
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// Initialize GLEW
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glewExperimental = true; // Needed for core profile
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if (glewInit() != GLEW_OK) {
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fprintf(stderr, "Failed to initialize GLEW\n");
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getchar();
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glfwTerminate();
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return NULL;
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}
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// Ensure we can capture the escape key being pressed below
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glfwSetInputMode(window, GLFW_STICKY_KEYS, GL_TRUE);
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// Hide the mouse and enable unlimited mouvement
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glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
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// Set the mouse at the center of the screen
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glfwPollEvents();
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glfwSetCursorPos(window, DEFAULT_WIDTH / 2, DEFAULT_HEIGHT / 2);
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// Force aspect ratio
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glfwSetWindowSizeLimits(window, MIN_WIDTH, MIN_HEIGHT, GLFW_DONT_CARE, GLFW_DONT_CARE);
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glfwSetWindowAspectRatio(window, RATIO_WIDTH, RATIO_HEIGHT);
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// Handle resize
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glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
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glfwSetWindowTitle(window, "Univerxel");
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glfwSetWindowAttrib(window, GLFW_RESIZABLE, true);
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// Enable depth test
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glEnable(GL_DEPTH_TEST);
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// Accept fragment if it closer to the camera than the former one
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glDepthFunc(GL_LEQUAL);
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// Cull triangles which normal is not towards the camera
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glEnable(GL_CULL_FACE);
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glCullFace(GL_BACK);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glEnable(GL_BLEND);
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GLint smp;
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glGetIntegerv(GL_SAMPLES, &smp);
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if(smp > 0) {
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glEnable(GL_MULTISAMPLE);
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}
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return window;
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} |