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/* ----------------------------------------------------------------------------
* window.cpp
*
* Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com> -- MIT License
* See file LICENSE for more details
* ----------------------------------------------------------------------------
*/
#include "window.h"
#include <iostream>
#include <stdexcept>
namespace yage
{
Window::Window() = default;
Window::~Window()
{
glfwDestroyWindow(window_);
}
void Window::create(const std::string &window_name, int width, int height,
unsigned flags)
{
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
window_ = glfwCreateWindow(width, height, window_name.c_str(), nullptr, nullptr);
if (window_ == nullptr) {
throw std::runtime_error("GLFW Window creation failed");
}
// initialize the gl context
glfwMakeContextCurrent(window_);
// print out the current OpenGL version to debug
std::cout << "*** OpenGL version: " << glGetString(GL_VERSION)
<< " ***\n";
// set vsync on
glfwSwapInterval(1);
// set the clear color to black
glClearColor(0.f, 0.5f, 0.f, 1.f);
// set alpha blending
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
void Window::swapBuffer()
{
// swap the window buffer
glfwSwapBuffers(window_);
}
void Window::clearBuffer()
{
// set the clear depth
glClearDepth(1.f);
// clears buffer with clear color
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
} // namespace yage
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