mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-24 04:20:46 +08:00
91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
|
// Copyright (C) 2018 The Qt Company Ltd.
|
||
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
||
|
|
||
|
#include "window.h"
|
||
|
#include <QPlatformSurfaceEvent>
|
||
|
|
||
|
#ifndef QT_NO_OPENGL
|
||
|
#include <QtGui/private/qrhigles2_p.h>
|
||
|
#endif
|
||
|
|
||
|
#if QT_CONFIG(vulkan)
|
||
|
extern QVulkanInstance *instance;
|
||
|
#endif
|
||
|
|
||
|
Window::Window(const QString &title, GraphicsApi api)
|
||
|
{
|
||
|
switch (api) {
|
||
|
case OpenGL:
|
||
|
setSurfaceType(OpenGLSurface);
|
||
|
break;
|
||
|
case Vulkan:
|
||
|
setSurfaceType(VulkanSurface);
|
||
|
#if QT_CONFIG(vulkan)
|
||
|
setVulkanInstance(instance);
|
||
|
#endif
|
||
|
break;
|
||
|
case D3D11:
|
||
|
setSurfaceType(Direct3DSurface);
|
||
|
break;
|
||
|
case Metal:
|
||
|
setSurfaceType(MetalSurface);
|
||
|
break;
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
resize(800, 600);
|
||
|
setTitle(title);
|
||
|
}
|
||
|
|
||
|
Window::~Window()
|
||
|
{
|
||
|
}
|
||
|
|
||
|
void Window::exposeEvent(QExposeEvent *)
|
||
|
{
|
||
|
if (isExposed()) {
|
||
|
if (!m_running) {
|
||
|
// initialize and start rendering when the window becomes usable for graphics purposes
|
||
|
m_running = true;
|
||
|
m_notExposed = false;
|
||
|
emit initRequested();
|
||
|
emit renderRequested(true);
|
||
|
} else {
|
||
|
// continue when exposed again
|
||
|
if (m_notExposed) {
|
||
|
m_notExposed = false;
|
||
|
emit renderRequested(true);
|
||
|
} else {
|
||
|
// resize generates exposes - this is very important here (unlike in a single-threaded renderer)
|
||
|
emit syncSurfaceSizeRequested();
|
||
|
}
|
||
|
}
|
||
|
} else {
|
||
|
// stop pushing frames when not exposed (on some platforms this is essential, optional on others)
|
||
|
if (m_running)
|
||
|
m_notExposed = true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
bool Window::event(QEvent *e)
|
||
|
{
|
||
|
switch (e->type()) {
|
||
|
case QEvent::UpdateRequest:
|
||
|
if (!m_notExposed)
|
||
|
emit renderRequested(false);
|
||
|
break;
|
||
|
|
||
|
case QEvent::PlatformSurface:
|
||
|
// this is the proper time to tear down the swapchain (while the native window and surface are still around)
|
||
|
if (static_cast<QPlatformSurfaceEvent *>(e)->surfaceEventType() == QPlatformSurfaceEvent::SurfaceAboutToBeDestroyed)
|
||
|
emit surfaceGoingAway();
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
return QWindow::event(e);
|
||
|
}
|