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// external libs
#include "glad/glad.h"
#include "GLFW/glfw3.h"
// project headers
#include "window.hpp"
// std libs
#include <iostream>
namespace Window {
namespace { // private
GLFWwindow* window;
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
glViewport(0, 0, width, height);
}
}
GLFWwindow* get()
{
return window;
}
int init(
unsigned int width,
unsigned int height,
const char* title
)
{
glfwInit();
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // 4.6 is highest, but lets use 3.3 for compatability
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
glfwSwapInterval(1);
window = glfwCreateWindow(width, height, title, NULL, NULL);
if (window == NULL)
{
std::cout << "Failed to create GLFW window" << std::endl;
glfwTerminate();
return -1;
}
glfwMakeContextCurrent(window);
if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
{
std::cout << "Failed to init GLAD" << std::endl;
return -1;
}
glViewport(0, 0, width, height);
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
return 0;
}
}
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