Make wayland actually a module

Also fix so that QtCompositor can be built as shared object.

+ fix so that the default QT_WAYLAND_GL_CONFIG is wayland_egl

Change-Id: I02b72e99286584426bd37ab2d00bbc84af11efdc
Reviewed-by: Laszlo Agocs <laszlo.p.agocs@nokia.com>

1 files changed, 141 insertions, 0 deletions

diff --git a/src/compositor/wayland_wrapper/wlshmbuffer.cpp b/src/compositor/wayland_wrapper/wlshmbuffer.cpp
new file mode 100644
index 000000000..c5126aeaa
--- /dev/null
+++ b/src/compositor/wayland_wrapper/wlshmbuffer.cpp
@@ -0,0 +1,141 @@
+/****************************************************************************
+**
+** This file is part of QtCompositor**
+**
+** Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+**
+** Contact:  Nokia Corporation qt-info@nokia.com
+**
+** 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 Nokia Corporation 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.
+**
+****************************************************************************/
+
+#include "wlshmbuffer.h"
+
+#include "wldisplay.h"
+#include "wlcompositor.h"
+
+#include <QtCore/QDebug>
+
+#include <sys/mman.h>
+
+namespace Wayland {
+
+ShmBuffer::ShmBuffer(struct wl_buffer *buffer)
+    : m_buffer(buffer)
+{
+    m_buffer->user_data = this;
+    m_data = wl_shm_buffer_get_data(m_buffer);
+    m_stride = wl_shm_buffer_get_stride(m_buffer);
+
+    damage();
+}
+
+ShmBuffer::~ShmBuffer()
+{
+}
+
+QImage ShmBuffer::image() const
+{
+    return m_image;
+}
+
+QSize ShmBuffer::size() const
+{
+    return QSize(m_buffer->width, m_buffer->height);
+}
+
+void ShmBuffer::damage()
+{
+    QImage::Format imageFormat = QImage::Format_Invalid;
+
+    imageFormat = QImage::Format_ARGB32_Premultiplied;
+
+    m_image = QImage(static_cast<uchar *>(m_data),m_buffer->width, m_buffer->height,m_stride,imageFormat);
+
+}
+
+static ShmHandler *handlerInstance;
+
+ShmHandler::ShmHandler(Display *display)
+    : m_display(display)
+{
+    handlerInstance = this;
+    m_shm = wl_shm_init(m_display->handle(),&shm_callbacks);
+}
+
+ShmHandler::~ShmHandler()
+{
+    wl_shm_finish(m_shm);
+}
+
+struct wl_shm_callbacks ShmHandler::shm_callbacks = {
+    buffer_created_callback,
+    buffer_damaged_callback,
+    buffer_destroyed_callback
+};
+
+void ShmHandler::buffer_created_callback(struct wl_buffer *buffer)
+{
+    ShmBuffer *newBuffer = new ShmBuffer(buffer);
+    Q_UNUSED(newBuffer);
+}
+
+void ShmHandler::buffer_damaged_callback(struct wl_buffer *buffer,
+                      int32_t x, int32_t y,
+                      int32_t width, int32_t height)
+{
+    Q_UNUSED(buffer);
+    Q_UNUSED(x);
+    Q_UNUSED(y);
+    Q_UNUSED(width);
+    Q_UNUSED(height);
+    //damage has the responsibillity to update the QImage
+    //for now we just recrate the entire QImage as we need a new
+    //hash key for texture uploads
+    static_cast<ShmBuffer *>(buffer->user_data)->damage();
+}
+
+void ShmHandler::buffer_destroyed_callback(struct wl_buffer *buffer)
+{
+    ShmBuffer *shmbuf = static_cast<ShmBuffer *>(buffer->user_data);
+    for (int i = 0; i < handlerInstance->m_extraCallbacks.count(); ++i)
+        handlerInstance->m_extraCallbacks.at(i)(shmbuf);
+    delete shmbuf;
+}
+
+void ShmHandler::addDestroyCallback(DestroyCallback callback)
+{
+    if (!m_extraCallbacks.contains(callback))
+        m_extraCallbacks.append(callback);
+}
+
+}