bool SurfaceBuffer::isYInverted() const
{
bool ret = false;
static bool negateReturn = qgetenv("QT_COMPOSITOR_NEGATE_INVERTED_Y").toInt();
ClientBufferIntegration *clientBufferIntegration = m_compositor->clientBufferIntegration();
#ifdef QT_COMPOSITOR_WAYLAND_GL
if (clientBufferIntegration && waylandBufferHandle() && !isShmBuffer()) {
ret = clientBufferIntegration->isYInverted(waylandBufferHandle());
} else
#endif
ret = true;
return ret != negateReturn;
}
QSize SurfaceBuffer::size() const
{
if (!m_isSizeResolved) {
if (isShmBuffer()) {
m_size = QSize(wl_shm_buffer_get_width(m_shmBuffer), wl_shm_buffer_get_height(m_shmBuffer));
#ifdef QT_COMPOSITOR_WAYLAND_GL
} else {
QWaylandClientBufferIntegration *hwIntegration = m_compositor->clientBufferIntegration();
m_size = hwIntegration->bufferSize(m_buffer);
#endif
}
}
return m_size;
}
QImage SurfaceBuffer::image()
{
/* This api may be available on non-shm buffer. But be sure about it's format. */
if (!m_buffer || !isShmBuffer())
return QImage();
if (m_image.isNull())
{
const uchar *data = static_cast<const uchar *>(wl_shm_buffer_get_data(m_shmBuffer));
int stride = wl_shm_buffer_get_stride(m_shmBuffer);
int width = wl_shm_buffer_get_width(m_shmBuffer);
int height = wl_shm_buffer_get_height(m_shmBuffer);
m_image = QImage(data, width, height, stride, QImage::Format_ARGB32_Premultiplied);
}
return m_image;
}
QImage SurfaceBuffer::image()
{
/* This api may be available on non-shm buffer. But be sure about it's format. */
if (!m_buffer || !isShmBuffer())
return QImage();
if (m_image.isNull())
{
const uchar *data = static_cast<const uchar *>(wl_shm_buffer_get_data(m_shmBuffer));
int stride = wl_shm_buffer_get_stride(m_shmBuffer);
int width = wl_shm_buffer_get_width(m_shmBuffer);
int height = wl_shm_buffer_get_height(m_shmBuffer);
QImage::Format format = QWaylandShmFormatHelper::fromWaylandShmFormat(wl_shm_format(wl_shm_buffer_get_format(m_shmBuffer)));
m_image = QImage(data, width, height, stride, format);
}
return m_image;
}
void *SurfaceBuffer::handle() const
{
if (!m_buffer)
return 0;
if (!m_handle) {
SurfaceBuffer *that = const_cast<SurfaceBuffer *>(this);
if (isShmBuffer()) {
const uchar *data = static_cast<const uchar *>(wl_shm_buffer_get_data(m_shmBuffer));
int stride = wl_shm_buffer_get_stride(m_shmBuffer);
int width = wl_shm_buffer_get_width(m_shmBuffer);
int height = wl_shm_buffer_get_height(m_shmBuffer);
QImage *image = new QImage(data,width,height,stride, QImage::Format_ARGB32_Premultiplied);
that->m_handle = image;
#ifdef QT_COMPOSITOR_WAYLAND_GL
} else {
QWaylandClientBufferIntegration *clientBufferIntegration = m_compositor->clientBufferIntegration();
that->m_handle = clientBufferIntegration->lockNativeBuffer(m_buffer, 0);
#endif
}
}
return m_handle;
}