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#include <stdio.h>
#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include "Window.hpp"
/* static method */
Window *Window::Initialize(int width, int height, const char *title)
{
GLFWwindow *win;
glfwDefaultWindowHints();
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);
/*glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE);
glfwSetErrorCallback(error_callback);*/
win = glfwCreateWindow(width, height, title, 0, 0);
if(!win) {
fprintf(stderr, "Failed to create GLFW window\n");
return 0;
}
glfwMakeContextCurrent(win);
glewExperimental = GL_TRUE;
int result = glewInit();
if(result != GLEW_OK) {
fprintf(stderr, "Failed to init GLEW: %s\n", title);
return 0;
}
Window *w = new Window(win, width, height);
w->MakeContextCurrent();
w->ToggleCursorMode();
return w;
}
void Window::Resize(int w, int h)
{
width = w;
height = h;
if(glfwGetCurrentContext() == win)
glViewport(0, 0, width, height);
}
void Window::MakeContextCurrent()
{
glfwMakeContextCurrent(win);
glViewport(0, 0, width, height);
}
int Window::GetCursorMode()
{
return glfwGetInputMode(win, GLFW_CURSOR);
}
void Window::ToggleCursorMode()
{
int mode = GetCursorMode() == GLFW_CURSOR_NORMAL ?
GLFW_CURSOR_DISABLED : GLFW_CURSOR_NORMAL;
glfwSetInputMode(win, GLFW_CURSOR, mode);
}
bool Window::IsShouldClose()
{
return glfwWindowShouldClose(win);
}
void Window::SetShouldClose(int flag)
{
glfwSetWindowShouldClose(win, flag);
}
void Window::SwapBuffers()
{
glfwSwapBuffers(win);
}
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