void Application::init(const unsigned int& width, const unsigned int& height, HGLRC mainWindowContext) {
m_width = width; m_height = height;
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(EXIT_FAILURE);
m_window = glfwCreateWindow(width, height, "Simple GL App", NULL, NULL);
if (!m_window)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(m_window);
HGLRC currWindowContext = glfwGetWGLContext(m_window);
wglShareLists(mainWindowContext, currWindowContext);
glfwSetKeyCallback(m_window, key_callback);
glfwSetWindowSizeCallback(m_window, WindowSizeCB);
glfwSetCursorPosCallback(m_window, EventMousePos);
glfwSetScrollCallback(m_window, EventMouseWheel);
glfwSetMouseButtonCallback(m_window, (GLFWmousebuttonfun)EventMouseButton);
glfwSetKeyCallback(m_window, (GLFWkeyfun)EventKey);
// - Directly redirect GLFW char events to AntTweakBar
glfwSetCharCallback(m_window, (GLFWcharfun)EventChar);
if (glewInit() != GLEW_OK){
std::cout << "cannot intialize the glew.\n";
exit(EXIT_FAILURE);
}
init();
GLenum e = glGetError();
//glEnable(GL_DEPTH);
e = glGetError();
glEnable(GL_DEPTH_TEST);
e = glGetError();
}
void OpenGLWindow::Init()
{
// OpenGL
//auto surface = new QOffscreenSurface();
//surface->setFormat(format);
//surface->create();
//setSwapInterval
QSurfaceFormat format;
format.setVersion(4, 0);
format.setSwapInterval(0);
format.setProfile(QSurfaceFormat::CoreProfile);
setFormat(format);
auto glfwCTX = glfwGetWGLContext(Engine::Window->window);
auto window = glfwGetWin32Window(Engine::Window->window);
auto newNative = new QWGLNativeContext(glfwCTX, window);
QOpenGLContext* qtctx = new QOpenGLContext();
//qtctx->setFormat(format);
qtctx->setNativeHandle(QVariant::fromValue<QWGLNativeContext>(*newNative));
bool created = qtctx->create();
bool value = qtctx->makeCurrent(this);
// Test
auto nativeHandle = qtctx->nativeHandle();
auto windowsNative = nativeHandle.value<QWGLNativeContext>();
// Share context
qtGLContext = new QOpenGLContext(this);
//qtGLContext->setFormat(format);
qtGLContext->setShareContext(qtctx);
bool success = qtGLContext->create();
nativeHandle = qtGLContext->nativeHandle();
windowsNative = nativeHandle.value<QWGLNativeContext>();
bool sharing = qtGLContext->areSharing(qtctx, qtGLContext);
bool sharing2 = qtGLContext->shareContext();
}
HGLRC window::get_native_context()
{
return glfwGetWGLContext((GLFWwindow*)m_window);
}