64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
|
#include <glad/glad.c>
|
||
|
|
// glad must be loaded before GLFW
|
||
|
|
#include <GLFW/glfw3.h>
|
||
|
|
|
||
|
|
#include "graphics.hpp"
|
||
|
|
|
||
|
|
#include <iostream>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
void processInput(GLFWwindow *window) {
|
||
|
|
// if user presses ESC, close the window
|
||
|
|
if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS)
|
||
|
|
glfwSetWindowShouldClose(window, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
void framebuffer_size_callback(GLFWwindow *window, int width, int height) {
|
||
|
|
glViewport(0, 0, width, height);
|
||
|
|
}
|
||
|
|
|
||
|
|
int mainWindow() {
|
||
|
|
/* graphics stuff */
|
||
|
|
glfwInit();
|
||
|
|
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
|
||
|
|
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
|
||
|
|
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
|
||
|
|
// glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
|
||
|
|
|
||
|
|
GLFWwindow *window = glfwCreateWindow(800, 600, "Shader Loader", NULL, NULL);
|
||
|
|
if (window == NULL) {
|
||
|
|
printf("Failed to create GLFW window\n");
|
||
|
|
glfwTerminate();
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
glfwMakeContextCurrent(window);
|
||
|
|
|
||
|
|
if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
|
||
|
|
printf("Failed to initialize GLAD\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
|
||
|
|
|
||
|
|
float vertices[] = {-0.5f, -0.5f, 0.0f, 0.5f, -0.5f, 0.0f, 0.0f, 0.5f, 0.0f};
|
||
|
|
|
||
|
|
unsigned int VBO;
|
||
|
|
|
||
|
|
glGenBuffers(1, &VBO);
|
||
|
|
glBindBuffer(GL_ARRAY_BUFFER, VBO);
|
||
|
|
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
|
||
|
|
|
||
|
|
while (!glfwWindowShouldClose(window)) {
|
||
|
|
processInput(window);
|
||
|
|
|
||
|
|
glClearColor(0.8f, 0.4f, 0.1f, 1.0f);
|
||
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
||
|
|
|
||
|
|
glfwSwapBuffers(window);
|
||
|
|
glfwPollEvents();
|
||
|
|
}
|
||
|
|
|
||
|
|
glfwTerminate();
|
||
|
|
return 0;
|
||
|
|
}
|