Add hardware integration protocol

This sends to clients what HW integration is being used in the
compositor. This is useful when the wayland clients are loading their
buffer integrations with plugins since they then can pick the correct
plugin automatically.

Change-Id: Ib4eac3b855c6772ac1581b7f06aa929aeb1a1db0
Reviewed-by: Andy Nichols <andy.nichols@digia.com>

3 files changed, 151 insertions, 5 deletions

diff --git a/src/compositor/hardware_integration/hardware_integration.pri b/src/compositor/hardware_integration/hardware_integration.pri
index 402a3f6bd..999434d93 100644
--- a/src/compositor/hardware_integration/hardware_integration.pri
+++ b/src/compositor/hardware_integration/hardware_integration.pri
@@ -1,11 +1,10 @@
-QT += core
-
 isEmpty(QT_WAYLAND_GL_CONFIG):QT_WAYLAND_GL_CONFIG = $$(QT_WAYLAND_GL_CONFIG)
 
 !isEqual(QT_WAYLAND_GL_CONFIG,nogl) {
     CONFIG += wayland-scanner
     WAYLANDSERVERSOURCES += \
-        ../extensions/server-buffer-extension.xml
+        ../extensions/server-buffer-extension.xml \
+        ../extensions/hardware-integration.xml
 
     HEADERS += \
         hardware_integration/qwaylandclientbufferintegration.h \
@@ -13,7 +12,8 @@ isEmpty(QT_WAYLAND_GL_CONFIG):QT_WAYLAND_GL_CONFIG = $$(QT_WAYLAND_GL_CONFIG)
         hardware_integration/qwaylandclientbufferintegrationplugin.h \
         hardware_integration/qwaylandserverbufferintegration.h \
         hardware_integration/qwaylandserverbufferintegrationfactory.h \
-        hardware_integration/qwaylandserverbufferintegrationplugin.h
+        hardware_integration/qwaylandserverbufferintegrationplugin.h \
+        hardware_integration/qwlhwintegration_p.h
 
     SOURCES += \
         hardware_integration/qwaylandclientbufferintegration.cpp \
@@ -21,7 +21,8 @@ isEmpty(QT_WAYLAND_GL_CONFIG):QT_WAYLAND_GL_CONFIG = $$(QT_WAYLAND_GL_CONFIG)
         hardware_integration/qwaylandclientbufferintegrationplugin.cpp \
         hardware_integration/qwaylandserverbufferintegration.cpp \
         hardware_integration/qwaylandserverbufferintegrationfactory.cpp \
-        hardware_integration/qwaylandserverbufferintegrationplugin.cpp
+        hardware_integration/qwaylandserverbufferintegrationplugin.cpp \
+        hardware_integration/qwlhwintegration.cpp
 
     DEFINES += QT_COMPOSITOR_WAYLAND_GL
 } else {
diff --git a/src/compositor/hardware_integration/qwlhwintegration.cpp b/src/compositor/hardware_integration/qwlhwintegration.cpp
new file mode 100644
index 000000000..62614c4d4
--- /dev/null
+++ b/src/compositor/hardware_integration/qwlhwintegration.cpp
@@ -0,0 +1,72 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Compositor.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwlhwintegration_p.h"
+
+#include "qwlcompositor_p.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QtWayland {
+
+HardwareIntegration::HardwareIntegration(Compositor *compositor)
+    : qt_hardware_integration(compositor->wl_display())
+{
+}
+void HardwareIntegration::setClientBufferIntegration(const QString &name)
+{
+    m_client_buffer_integration = name;
+}
+void HardwareIntegration::setServerBufferIntegration(const QString &name)
+{
+    m_server_buffer_integration = name;
+}
+
+void HardwareIntegration::hardware_integration_bind_resource(Resource *resource)
+{
+    if (m_client_buffer_integration.size())
+        send_client_backend(resource->handle, m_client_buffer_integration);
+    if (m_server_buffer_integration.size())
+        send_server_backend(resource->handle, m_server_buffer_integration);
+}
+
+}
+
+QT_END_NAMESPACE
diff --git a/src/compositor/hardware_integration/qwlhwintegration_p.h b/src/compositor/hardware_integration/qwlhwintegration_p.h
new file mode 100644
index 000000000..70128eb0e
--- /dev/null
+++ b/src/compositor/hardware_integration/qwlhwintegration_p.h
@@ -0,0 +1,73 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Compositor.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWLHWINTEGRATION_P_H
+#define QWLHWINTEGRATION_P_H
+
+#include <QtCompositor/private/qwayland-server-hardware-integration.h>
+
+#include <QtCore/QString>
+
+QT_BEGIN_NAMESPACE
+
+namespace QtWayland {
+
+class Compositor;
+
+class HardwareIntegration : public QtWaylandServer::qt_hardware_integration
+{
+public:
+    HardwareIntegration(Compositor *compositor);
+
+    void setClientBufferIntegration(const QString &name);
+    void setServerBufferIntegration(const QString &name);
+
+protected:
+    void hardware_integration_bind_resource(Resource *resource);
+
+private:
+    QString m_client_buffer_integration;
+    QString m_server_buffer_integration;
+};
+
+}
+
+QT_END_NAMESPACE
+#endif