diff options
Diffstat (limited to 'src/plugins/platforms/android/qandroidplatformvulkanwindow.cpp')
| -rw-r--r-- | src/plugins/platforms/android/qandroidplatformvulkanwindow.cpp | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/src/plugins/platforms/android/qandroidplatformvulkanwindow.cpp b/src/plugins/platforms/android/qandroidplatformvulkanwindow.cpp new file mode 100644 index 0000000000..cc41a871f3 --- /dev/null +++ b/src/plugins/platforms/android/qandroidplatformvulkanwindow.cpp @@ -0,0 +1,210 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qandroidplatformvulkanwindow.h" +#include "qandroidplatformscreen.h" +#include "androidjnimain.h" +#include "qandroideventdispatcher.h" +#include "androiddeadlockprotector.h" + +#include <QSurfaceFormat> +#include <qpa/qwindowsysteminterface.h> +#include <qpa/qplatformscreen.h> + +#include <android/native_window.h> +#include <android/native_window_jni.h> + +QT_BEGIN_NAMESPACE + +QAndroidPlatformVulkanWindow::QAndroidPlatformVulkanWindow(QWindow *window) + : QAndroidPlatformWindow(window), + m_nativeSurfaceId(-1), + m_nativeWindow(nullptr), + m_vkSurface(0), + m_createVkSurface(nullptr), + m_destroyVkSurface(nullptr) +{ +} + +QAndroidPlatformVulkanWindow::~QAndroidPlatformVulkanWindow() +{ + m_surfaceWaitCondition.wakeOne(); + lockSurface(); + if (m_nativeSurfaceId != -1) + QtAndroid::destroySurface(m_nativeSurfaceId); + clearSurface(); + unlockSurface(); +} + +void QAndroidPlatformVulkanWindow::setGeometry(const QRect &rect) +{ + if (rect == geometry()) + return; + + m_oldGeometry = geometry(); + + QAndroidPlatformWindow::setGeometry(rect); + if (m_nativeSurfaceId != -1) + QtAndroid::setSurfaceGeometry(m_nativeSurfaceId, rect); + + QRect availableGeometry = screen()->availableGeometry(); + if (m_oldGeometry.width() == 0 + && m_oldGeometry.height() == 0 + && rect.width() > 0 + && rect.height() > 0 + && availableGeometry.width() > 0 + && availableGeometry.height() > 0) { + QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(0, 0), rect.size())); + } + + if (rect.topLeft() != m_oldGeometry.topLeft()) + repaint(QRegion(rect)); +} + +void QAndroidPlatformVulkanWindow::applicationStateChanged(Qt::ApplicationState state) +{ + QAndroidPlatformWindow::applicationStateChanged(state); + if (state <= Qt::ApplicationHidden) { + lockSurface(); + if (m_nativeSurfaceId != -1) { + QtAndroid::destroySurface(m_nativeSurfaceId); + m_nativeSurfaceId = -1; + } + clearSurface(); + unlockSurface(); + } +} + +QSurfaceFormat QAndroidPlatformVulkanWindow::format() const +{ + return window()->requestedFormat(); +} + +void QAndroidPlatformVulkanWindow::clearSurface() +{ + if (m_vkSurface && m_destroyVkSurface) { + m_destroyVkSurface(window()->vulkanInstance()->vkInstance(), m_vkSurface, nullptr); + m_vkSurface = 0; + } + + if (m_nativeWindow) { + ANativeWindow_release(m_nativeWindow); + m_nativeWindow = nullptr; + } +} + +void QAndroidPlatformVulkanWindow::sendExpose() +{ + QRect availableGeometry = screen()->availableGeometry(); + if (geometry().width() > 0 && geometry().height() > 0 && availableGeometry.width() > 0 && availableGeometry.height() > 0) + QWindowSystemInterface::handleExposeEvent(window(), QRegion(QRect(QPoint(), geometry().size()))); +} + +void QAndroidPlatformVulkanWindow::surfaceChanged(JNIEnv *jniEnv, jobject surface, int w, int h) +{ + Q_UNUSED(jniEnv); + Q_UNUSED(w); + Q_UNUSED(h); + + lockSurface(); + m_androidSurfaceObject = surface; + if (surface) + m_surfaceWaitCondition.wakeOne(); + unlockSurface(); + + if (surface) + sendExpose(); +} + +VkSurfaceKHR *QAndroidPlatformVulkanWindow::vkSurface() +{ + if (QAndroidEventDispatcherStopper::stopped()) + return &m_vkSurface; + + bool needsExpose = false; + if (!m_vkSurface) { + clearSurface(); + + QMutexLocker lock(&m_surfaceMutex); + if (m_nativeSurfaceId == -1) { + AndroidDeadlockProtector protector; + if (!protector.acquire()) + return &m_vkSurface; + const bool windowStaysOnTop = bool(window()->flags() & Qt::WindowStaysOnTopHint); + m_nativeSurfaceId = QtAndroid::createSurface(this, geometry(), windowStaysOnTop, 32); + m_surfaceWaitCondition.wait(&m_surfaceMutex); + } + + if (m_nativeSurfaceId == -1 || !m_androidSurfaceObject.isValid()) + return &m_vkSurface; + + QJNIEnvironmentPrivate env; + m_nativeWindow = ANativeWindow_fromSurface(env, m_androidSurfaceObject.object()); + + VkAndroidSurfaceCreateInfoKHR surfaceInfo; + memset(&surfaceInfo, 0, sizeof(surfaceInfo)); + surfaceInfo.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR; + surfaceInfo.window = m_nativeWindow; + QVulkanInstance *inst = window()->vulkanInstance(); + if (!inst) { + qWarning("Attempted to create Vulkan surface without an instance; was QWindow::setVulkanInstance() called?"); + return &m_vkSurface; + } + if (!m_createVkSurface) { + m_createVkSurface = reinterpret_cast<PFN_vkCreateAndroidSurfaceKHR>( + inst->getInstanceProcAddr("vkCreateAndroidSurfaceKHR")); + } + if (!m_destroyVkSurface) { + m_destroyVkSurface = reinterpret_cast<PFN_vkDestroySurfaceKHR>( + inst->getInstanceProcAddr("vkDestroySurfaceKHR")); + } + VkResult err = m_createVkSurface(inst->vkInstance(), &surfaceInfo, nullptr, &m_vkSurface); + if (err != VK_SUCCESS) + qWarning("Failed to create Android VkSurface: %d", err); + + needsExpose = true; + } + + if (needsExpose) + sendExpose(); + + return &m_vkSurface; +} + +QT_END_NAMESPACE |