diff options
author | Paul Olav Tvete <paul.tvete@qt.io> | 2019-01-21 10:06:49 +0100 |
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committer | Paul Olav Tvete <paul.tvete@qt.io> | 2019-03-29 11:32:09 +0000 |
commit | 2be60229639d3a773c48ecb64adadabdccf9b65c (patch) | |
tree | 0e0a262c09bf858644c3d6611c464d9ab0e045be /src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.h | |
parent | 7a0956a89a559e5a73a659fcc08001cefa01d9bd (diff) |
Add server buffer integration based on Vulkan
Using NVIDIA's Vulkan/GL interop function: glGetVkProcAddrNV
[ChangeLog] Added Vulkan-based server buffer integration for
NVIDIA EGLStreams.
Change-Id: I500f80ff3b00a9585178976d8e400baa38e89ef6
Reviewed-by: Johan Helsing <johan.helsing@qt.io>
(cherry picked from commit df3a1761af2f20d59ae09a7adaa2f5b959047687)
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
Diffstat (limited to 'src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.h')
-rw-r--r-- | src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.h b/src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.h new file mode 100644 index 000000000..aa1074ec6 --- /dev/null +++ b/src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.h @@ -0,0 +1,106 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtWaylandCompositor module 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef VULKANSERVERBUFFERINTEGRATION_H +#define VULKANSERVERBUFFERINTEGRATION_H + +#include <QtWaylandCompositor/private/qwlserverbufferintegration_p.h> + +#include "qwayland-server-qt-vulkan-server-buffer-unstable-v1.h" + +#include <QtGui/QImage> +#include <QtGui/QWindow> +#include <QtGui/qpa/qplatformnativeinterface.h> +#include <QtGui/QGuiApplication> + +#include <QtWaylandCompositor/qwaylandcompositor.h> +#include <QtWaylandCompositor/private/qwayland-server-server-buffer-extension.h> + +QT_BEGIN_NAMESPACE + +class VulkanServerBufferIntegration; +class VulkanWrapper; +struct VulkanImageWrapper; + +class VulkanServerBuffer : public QtWayland::ServerBuffer, public QtWaylandServer::qt_server_buffer +{ +public: + VulkanServerBuffer(VulkanServerBufferIntegration *integration, const QImage &qimage, QtWayland::ServerBuffer::Format format); + ~VulkanServerBuffer() override; + + struct ::wl_resource *resourceForClient(struct ::wl_client *) override; + bool bufferInUse() override; + QOpenGLTexture *toOpenGlTexture() override; + +protected: + void server_buffer_release(Resource *resource) override; + +private: + VulkanServerBufferIntegration *m_integration = nullptr; + + int m_width; + int m_height; + int m_memorySize; + int m_fd = -1; + VulkanImageWrapper *m_vImage = nullptr; + QOpenGLTexture *m_texture = nullptr; + uint m_glInternalFormat; +}; + +class VulkanServerBufferIntegration : + public QtWayland::ServerBufferIntegration, + public QtWaylandServer::zqt_vulkan_server_buffer_v1 +{ +public: + VulkanServerBufferIntegration(); + ~VulkanServerBufferIntegration() override; + + VulkanWrapper *vulkanWrapper() const { return m_vulkanWrapper; } + + void initializeHardware(QWaylandCompositor *) override; + + bool supportsFormat(QtWayland::ServerBuffer::Format format) const override; + QtWayland::ServerBuffer *createServerBufferFromImage(const QImage &qimage, QtWayland::ServerBuffer::Format format) override; +private: + VulkanWrapper *m_vulkanWrapper = nullptr; +}; + +QT_END_NAMESPACE + +#endif |