void X11XRenderBackend::present(int mask, const QRegion &damage)
{
if (mask & Scene::PAINT_SCREEN_REGION) {
// Use the damage region as the clip region for the root window
XFixesRegion frontRegion(damage);
xcb_xfixes_set_picture_clip_region(connection(), m_front, frontRegion, 0, 0);
// copy composed buffer to the root window
xcb_xfixes_set_picture_clip_region(connection(), buffer(), XCB_XFIXES_REGION_NONE, 0, 0);
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_SRC, buffer(), XCB_RENDER_PICTURE_NONE,
m_front, 0, 0, 0, 0, 0, 0, displayWidth(), displayHeight());
xcb_xfixes_set_picture_clip_region(connection(), m_front, XCB_XFIXES_REGION_NONE, 0, 0);
xcb_flush(connection());
} else {
// copy composed buffer to the root window
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_SRC, buffer(), XCB_RENDER_PICTURE_NONE,
m_front, 0, 0, 0, 0, 0, 0, displayWidth(), displayHeight());
xcb_flush(connection());
}
}
/**
* Change clip-mask in picture to the specified region.
* @param region The region.
* @param picture The picture.
* @param x The X coordinate of the origin.
* @param y The Y coordinate of the origin.
*
* Changes clip-mask in picture to the specified @p region
* and sets the clip origin. Input and output will be clipped to
* remain contained within the region. The clip origin is interpreted
* relative to the origin of the drawable associated with @p picture. The
* region is interpreted relative to the clip origin. Future changes
* to region have no effect on the picture clip-mask.
* @ingroup Ecore_X_Fixes_Group
*/
EAPI void
ecore_x_region_picture_clip_set(Ecore_X_Region region,
Ecore_X_Picture picture,
int x,
int y)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if (!_xfixes_avail) return;
#ifdef ECORE_XCB_XFIXES
xcb_xfixes_set_picture_clip_region(_ecore_xcb_conn, picture, region, x, y);
// ecore_x_flush();
#endif
}
