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+/****************************************************************************
+**
+** Copyright (C) 2018 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 DMABUFSERVERBUFFERINTEGRATION_H
+#define DMABUFSERVERBUFFERINTEGRATION_H
+
+#include <QtWaylandCompositor/private/qwlserverbufferintegration_p.h>
+
+#include "qwayland-server-qt-dmabuf-server-buffer.h"
+
+#include <QtGui/QWindow>
+#include <QtGui/qpa/qplatformnativeinterface.h>
+#include <QtGui/QGuiApplication>
+
+#include <QtWaylandCompositor/qwaylandcompositor.h>
+#include <QtWaylandCompositor/private/qwayland-server-server-buffer-extension.h>
+
+#include <QtCore/QDebug>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#ifndef EGL_KHR_image
+typedef void *EGLImageKHR;
+typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay dpy, EGLImageKHR image);
+#endif
+
+#ifndef GL_OES_EGL_image
+typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) (GLenum target, GLeglImageOES image);
+#endif
+
+#ifndef EGL_MESA_image_dma_buf_export
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC) (EGLDisplay dpy, EGLImageKHR image, int *fourcc, int *num_planes, EGLuint64KHR *modifiers);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTDMABUFIMAGEMESAPROC) (EGLDisplay dpy, EGLImageKHR image, int *fds, EGLint *strides, EGLint *offsets);
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class DmaBufServerBufferIntegration;
+class QImage;
+
+class DmaBufServerBuffer : public QtWayland::ServerBuffer, public QtWaylandServer::qt_server_buffer
+{
+public:
+ DmaBufServerBuffer(DmaBufServerBufferIntegration *integration, const QImage &qimage, QtWayland::ServerBuffer::Format format);
+ ~DmaBufServerBuffer() override;
+
+ struct ::wl_resource *resourceForClient(struct ::wl_client *) override;
+ QOpenGLTexture *toOpenGlTexture() override;
+ bool bufferInUse() override;
+
+protected:
+ void server_buffer_release(Resource *resource) override;
+
+private:
+ DmaBufServerBufferIntegration *m_integration = nullptr;
+
+ EGLImageKHR m_image;
+
+ int32_t m_offset;
+ int32_t m_stride;
+ QOpenGLTexture *m_texture = nullptr;
+ int m_fourcc_format;
+ int m_fd;
+};
+
+class DmaBufServerBufferIntegration :
+ public QtWayland::ServerBufferIntegration,
+ public QtWaylandServer::qt_dmabuf_server_buffer
+{
+public:
+ DmaBufServerBufferIntegration();
+ ~DmaBufServerBufferIntegration() override;
+
+ void initializeHardware(QWaylandCompositor *) override;
+
+ bool supportsFormat(QtWayland::ServerBuffer::Format format) const override;
+ QtWayland::ServerBuffer *createServerBufferFromImage(const QImage &qimage, QtWayland::ServerBuffer::Format format) override;
+
+ EGLDisplay display() const { return m_egl_display; }
+
+ inline EGLImageKHR eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
+ inline EGLBoolean eglDestroyImageKHR(EGLImageKHR image);
+
+ inline EGLBoolean eglExportDMABUFImageQueryMESA(EGLImageKHR image,
+ int *fourcc,
+ int *num_planes,
+ EGLuint64KHR *modifiers);
+
+ inline EGLBoolean eglExportDMABUFImageMESA(EGLImageKHR image,
+ int *fds,
+ EGLint *strides,
+ EGLint *offsets);
+
+ inline void glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image);
+
+private:
+ EGLDisplay m_egl_display;
+
+ PFNEGLEXPORTDMABUFIMAGEMESAPROC m_egl_export_dmabuf_image = nullptr;
+ PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC m_egl_export_dmabuf_image_query = nullptr;
+
+ PFNGLEGLIMAGETARGETTEXTURE2DOESPROC m_gl_egl_image_target_texture_2d = nullptr;
+ PFNEGLCREATEIMAGEKHRPROC m_egl_create_image = nullptr;
+ PFNEGLDESTROYIMAGEKHRPROC m_egl_destroy_image = nullptr;
+};
+
+EGLImageKHR DmaBufServerBufferIntegration::eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)
+{
+ if (!m_egl_create_image) {
+ qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglCreateImageKHR";
+ return EGL_NO_IMAGE_KHR;
+ }
+ return m_egl_create_image(m_egl_display, ctx, target, buffer, attrib_list);
+}
+
+EGLBoolean DmaBufServerBufferIntegration::eglDestroyImageKHR(EGLImageKHR image)
+{
+ if (!m_egl_destroy_image) {
+ qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglDestroyImageKHR";
+ return false;
+ }
+ return m_egl_destroy_image(m_egl_display, image);
+}
+
+EGLBoolean DmaBufServerBufferIntegration::eglExportDMABUFImageQueryMESA(EGLImageKHR image,
+ int *fourcc,
+ int *num_planes,
+ EGLuint64KHR *modifiers)
+{
+ if (m_egl_export_dmabuf_image_query)
+ return m_egl_export_dmabuf_image_query(m_egl_display, image, fourcc, num_planes, modifiers);
+ else
+ qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglExportDMABUFImageQueryMESA";
+ return false;
+}
+
+EGLBoolean DmaBufServerBufferIntegration::eglExportDMABUFImageMESA(EGLImageKHR image,
+ int *fds,
+ EGLint *strides,
+ EGLint *offsets)
+{
+ if (m_egl_export_dmabuf_image)
+ return m_egl_export_dmabuf_image(m_egl_display, image, fds, strides, offsets);
+ else
+ qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglExportDMABUFImageMESA";
+ return false;
+}
+
+void DmaBufServerBufferIntegration::glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)
+{
+ if (m_gl_egl_image_target_texture_2d)
+ return m_gl_egl_image_target_texture_2d(target, image);
+ else
+ qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function glEGLImageTargetTexture2DOES";
+}
+QT_END_NAMESPACE
+
+#endif