1 files changed, 146 insertions, 0 deletions
diff --git a/src/hardwareintegration/client/dmabuf-server/dmabufserverbufferintegration.h b/src/hardwareintegration/client/dmabuf-server/dmabufserverbufferintegration.h
new file mode 100644
index 000000000..f38c2e151
--- /dev/null
+++ b/src/hardwareintegration/client/dmabuf-server/dmabufserverbufferintegration.h
@@ -0,0 +1,146 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DMABUFSERVERBUFFERINTEGRATION_H
+#define DMABUFSERVERBUFFERINTEGRATION_H
+
+#include <QtWaylandClient/private/qwayland-wayland.h>
+#include "qwayland-qt-dmabuf-server-buffer.h"
+#include <QtWaylandClient/private/qwaylandserverbufferintegration_p.h>
+
+#include "dmabufserverbufferintegration.h"
+#include <QtWaylandClient/private/qwaylanddisplay_p.h>
+#include <QtCore/QTextStream>
+
+#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
+
+QT_BEGIN_NAMESPACE
+
+namespace QtWaylandClient {
+
+class DmaBufServerBufferIntegration;
+
+class DmaBufServerBuffer : public QWaylandServerBuffer
+{
+public:
+    DmaBufServerBuffer(DmaBufServerBufferIntegration *integration, struct ::qt_server_buffer *id, int32_t fd,
+                       int32_t width, int32_t height, int32_t stride, int32_t offset, int32_t fourcc_format);
+    ~DmaBufServerBuffer() override;
+    QOpenGLTexture* toOpenGlTexture() override;
+private:
+    DmaBufServerBufferIntegration *m_integration = nullptr;
+    EGLImageKHR m_image = EGL_NO_IMAGE_KHR;
+    QOpenGLTexture *m_texture = nullptr;
+    struct ::qt_server_buffer *m_server_buffer = nullptr;
+};
+
+class DmaBufServerBufferIntegration
+    : public QWaylandServerBufferIntegration
+    , public QtWayland::qt_dmabuf_server_buffer
+{
+public:
+    void initialize(QWaylandDisplay *display) override;
+
+    QWaylandServerBuffer *serverBuffer(struct qt_server_buffer *buffer) override;
+
+    inline EGLImageKHR eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
+    inline EGLBoolean eglDestroyImageKHR(EGLImageKHR image);
+    inline void glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image);
+protected:
+    void dmabuf_server_buffer_server_buffer_created(struct ::qt_server_buffer *id, int32_t fd,
+                                                    int32_t width, int32_t height, int32_t stride,
+                                                    int32_t offset, int32_t fourcc_format) override;
+
+private:
+    static void wlDisplayHandleGlobal(void *data, struct ::wl_registry *registry, uint32_t id,
+                                      const QString &interface, uint32_t version);
+    void initializeEgl();
+
+    PFNEGLCREATEIMAGEKHRPROC m_egl_create_image = nullptr;
+    PFNEGLDESTROYIMAGEKHRPROC m_egl_destroy_image = nullptr;
+    PFNGLEGLIMAGETARGETTEXTURE2DOESPROC m_gl_egl_image_target_texture = nullptr;
+    QWaylandDisplay *m_display = nullptr;
+    EGLDisplay m_egl_display = EGL_NO_DISPLAY;
+    bool m_egl_initialized = false;
+};
+
+EGLImageKHR DmaBufServerBufferIntegration::eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)
+{
+    if (!m_egl_initialized)
+        initializeEgl();
+    if (!m_egl_create_image) {
+        qCWarning(lcQpaWayland) << "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(lcQpaWayland) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglDestroyImageKHR";
+        return false;
+    }
+    return m_egl_destroy_image(m_egl_display, image);
+}
+
+void DmaBufServerBufferIntegration::glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)
+{
+    if (!m_gl_egl_image_target_texture) {
+        qCWarning(lcQpaWayland) << "DmaBufServerBufferIntegration: Trying to use unresolved function glEGLImageTargetTexture2DOES";
+        return;
+    }
+    m_gl_egl_image_target_texture(target, image);
+}
+
+}
+
+QT_END_NAMESPACE
+
+#endif