bool drm_mode_destroy_blob(int fd, struct drm_mode *mode)
{
int ret = 0;
if (mode->blob_id) {
ret = drmModeDestroyPropertyBlob(fd, mode->blob_id);
mode->blob_id = 0;
}
return (ret == 0);
}
void CDRMAtomic::DrmAtomicCommit(int fb_id, int flags, bool rendered, bool videoLayer)
{
uint32_t blob_id;
struct plane *plane;
if (flags & DRM_MODE_ATOMIC_ALLOW_MODESET)
{
if (!AddProperty(m_req, m_connector, "CRTC_ID", m_crtc->crtc->crtc_id))
{
return;
}
if (drmModeCreatePropertyBlob(m_fd, m_mode, sizeof(*m_mode), &blob_id) != 0)
{
return;
}
if (!AddProperty(m_req, m_crtc, "MODE_ID", blob_id))
{
return;
}
if (!AddProperty(m_req, m_crtc, "ACTIVE", m_active ? 1 : 0))
{
return;
}
if (!videoLayer)
{
// disable overlay plane on modeset
AddProperty(m_req, m_overlay_plane, "FB_ID", 0);
AddProperty(m_req, m_overlay_plane, "CRTC_ID", 0);
}
}
if (videoLayer)
plane = m_overlay_plane;
else
plane = m_primary_plane;
if (rendered)
{
AddProperty(m_req, plane, "FB_ID", fb_id);
AddProperty(m_req, plane, "CRTC_ID", m_crtc->crtc->crtc_id);
AddProperty(m_req, plane, "SRC_X", 0);
AddProperty(m_req, plane, "SRC_Y", 0);
AddProperty(m_req, plane, "SRC_W", m_mode->hdisplay << 16);
AddProperty(m_req, plane, "SRC_H", m_mode->vdisplay << 16);
AddProperty(m_req, plane, "CRTC_X", 0);
AddProperty(m_req, plane, "CRTC_Y", 0);
AddProperty(m_req, plane, "CRTC_W", m_mode->hdisplay);
AddProperty(m_req, plane, "CRTC_H", m_mode->vdisplay);
}
else if (videoLayer && !CServiceBroker::GetGUI()->GetWindowManager().HasVisibleControls())
{
// disable gui plane when video layer is active and gui has no visible controls
AddProperty(m_req, plane, "FB_ID", 0);
AddProperty(m_req, plane, "CRTC_ID", 0);
}
auto ret = drmModeAtomicCommit(m_fd, m_req, flags | DRM_MODE_ATOMIC_TEST_ONLY, nullptr);
if (ret < 0)
{
CLog::Log(LOGERROR, "CDRMAtomic::%s - test commit failed: %s", __FUNCTION__, strerror(errno));
}
else if (ret == 0)
{
ret = drmModeAtomicCommit(m_fd, m_req, flags, nullptr);
if (ret < 0)
{
CLog::Log(LOGERROR, "CDRMAtomic::%s - atomic commit failed: %s", __FUNCTION__, strerror(errno));
}
}
if (flags & DRM_MODE_ATOMIC_ALLOW_MODESET)
{
if (drmModeDestroyPropertyBlob(m_fd, blob_id) != 0)
CLog::Log(LOGERROR, "CDRMAtomic::%s - failed to destroy property blob: %s", __FUNCTION__, strerror(errno));
}
drmModeAtomicFree(m_req);
m_req = drmModeAtomicAlloc();
}
