1 files changed, 135 insertions, 0 deletions
diff --git a/src/compositor/wayland_wrapper/wlsurfacebuffer.cpp b/src/compositor/wayland_wrapper/wlsurfacebuffer.cpp
new file mode 100644
index 000000000..240c58c37
--- /dev/null
+++ b/src/compositor/wayland_wrapper/wlsurfacebuffer.cpp
@@ -0,0 +1,135 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** 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 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "wlsurfacebuffer.h"
+
+namespace Wayland {
+
+SurfaceBuffer::SurfaceBuffer()
+    : m_buffer(0)
+    , m_is_released_sent(false)
+    , m_is_registered_for_buffer(false)
+    , m_is_posted(false)
+    , m_is_frame_finished(false)
+    , m_texture(0)
+{
+}
+
+SurfaceBuffer::~SurfaceBuffer()
+{
+    if (m_is_registered_for_buffer)
+        destructBufferState();
+}
+
+void SurfaceBuffer::initialize(wl_buffer *buffer)
+{
+    m_buffer = buffer;
+    m_texture = 0;
+    m_is_released_sent = false;
+    m_is_registered_for_buffer = true;
+    m_is_posted = false;
+    m_is_frame_finished = false;
+    m_destroy_listener.surfaceBuffer = this;
+    m_destroy_listener.listener.func = destroy_listener_callback;
+    wl_list_insert(&buffer->resource.destroy_listener_list,&m_destroy_listener.listener.link);
+    m_damageRect = QRect();
+}
+
+void SurfaceBuffer::destructBufferState()
+{
+    destroyTexture();
+    if (m_buffer) {
+        wl_list_remove(&m_destroy_listener.listener.link);
+        sendRelease();
+    }
+    m_buffer = 0;
+    m_is_registered_for_buffer = false;
+    m_is_posted = 0;
+}
+
+void SurfaceBuffer::sendRelease()
+{
+    Q_ASSERT(m_buffer);
+    wl_resource_post_event(&m_buffer->resource, WL_BUFFER_RELEASE);
+    m_buffer = 0;
+    m_is_released_sent = true;
+}
+
+void SurfaceBuffer::setPosted()
+{
+    m_is_posted = true;
+     if (m_buffer) {
+        wl_list_remove(&m_destroy_listener.listener.link);
+     }
+     m_buffer = 0;
+}
+
+void SurfaceBuffer::setFinished()
+{
+    m_is_frame_finished = true;
+}
+
+void SurfaceBuffer::destroyTexture()
+{
+#ifdef QT_COMPOSITOR_WAYLAND_GL
+        if (m_texture) {
+            glDeleteTextures(1,&m_texture);
+            m_texture = 0;
+        }
+#endif
+}
+
+void SurfaceBuffer::destroy_listener_callback(wl_listener *listener, wl_resource *resource, uint32_t time)
+{
+        Q_UNUSED(resource);
+        Q_UNUSED(time);
+        struct surface_buffer_destroy_listener *destroy_listener =
+                reinterpret_cast<struct surface_buffer_destroy_listener *>(listener);
+        SurfaceBuffer *d = destroy_listener->surfaceBuffer;
+        d->destroyTexture();
+        d->m_buffer = 0;
+}
+
+void SurfaceBuffer::setTexture(GLuint texId)
+{
+    m_texture = texId;
+}
+
+}