File indexing completed on 2024-11-10 04:56:56

 /*
     SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "qpaintersurfacetexture_wayland.h"
 #include "core/graphicsbufferview.h"
 
 #include <QPainter>
 
 namespace KWin
 {
 
 QPainterSurfaceTextureWayland::QPainterSurfaceTextureWayland(QPainterBackend *backend, SurfacePixmap *pixmap)
     : QPainterSurfaceTexture(backend)
     , m_pixmap(pixmap)
 {
 }
 
 bool QPainterSurfaceTextureWayland::create()
 {
     const GraphicsBufferView view(m_pixmap->buffer());
     if (Q_LIKELY(view.image())) {
         // The buffer data is copied as the buffer interface returns a QImage
         // which doesn't own the data of the underlying wl_shm_buffer object.
         m_image = view.image()->copy();
     }
     return !m_image.isNull();
 }
 
 void QPainterSurfaceTextureWayland::update(const QRegion &region)
 {
     const GraphicsBufferView view(m_pixmap->buffer());
     if (Q_UNLIKELY(!view.image())) {
         return;
     }
 
     QPainter painter(&m_image);
     painter.setCompositionMode(QPainter::CompositionMode_Source);
 
     // The buffer data is copied as the buffer interface returns a QImage
     // which doesn't own the data of the underlying wl_shm_buffer object.
     for (const QRect &rect : region) {
         painter.drawImage(rect, *view.image(), rect);
     }
 }
 
 } // namespace KWin