static void
dri2WaitGL(__GLXDRIdrawable * pdraw)
{
__GLXDRIdrawablePrivate *priv = (__GLXDRIdrawablePrivate *) pdraw;
XRectangle xrect;
XserverRegion region;
if (!priv->have_fake_front)
return;
xrect.x = 0;
xrect.y = 0;
xrect.width = priv->width;
xrect.height = priv->height;
#ifdef __DRI2_FLUSH
if (pdraw->psc->f)
(*pdraw->psc->f->flush) (pdraw->driDrawable);
#endif
region = XFixesCreateRegion(pdraw->psc->dpy, &xrect, 1);
DRI2CopyRegion(pdraw->psc->dpy, pdraw->xDrawable, region,
DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
XFixesDestroyRegion(pdraw->psc->dpy, region);
}
static void
dri2CopySubBuffer(__GLXDRIdrawable *pdraw, int x, int y, int width, int height)
{
__GLXDRIdrawablePrivate *priv = (__GLXDRIdrawablePrivate *) pdraw;
XRectangle xrect;
XserverRegion region;
/* Check we have the right attachments */
if (!priv->have_back)
return;
xrect.x = x;
xrect.y = priv->height - y - height;
xrect.width = width;
xrect.height = height;
#ifdef __DRI2_FLUSH
if (pdraw->psc->f)
(*pdraw->psc->f->flush) (pdraw->driDrawable);
#endif
region = XFixesCreateRegion(pdraw->psc->dpy, &xrect, 1);
/* should get a fence ID back from here at some point */
DRI2CopyRegion(pdraw->psc->dpy, pdraw->xDrawable, region,
DRI2BufferFrontLeft, DRI2BufferBackLeft);
XFixesDestroyRegion(pdraw->psc->dpy, region);
/* Refresh the fake front (if present) after we just damaged the real
* front.
*/
dri2WaitX(pdraw);
}
static void dri2_copy_swap(Display *dpy, Drawable d,
int width, int height, int has_front)
{
XRectangle rect;
XserverRegion region;
rect.x = 0;
rect.y = 0;
rect.width = width;
rect.height = height;
region = XFixesCreateRegion(dpy, &rect, 1);
DRI2CopyRegion(dpy, d, region, DRI2BufferFrontLeft, DRI2BufferBackLeft);
if (has_front)
DRI2CopyRegion(dpy, d, region, DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
XFixesDestroyRegion(dpy, region);
}
/**
* Copy between buffers of the DRI2 drawable.
*/
void
x11_drawable_copy_buffers(struct x11_screen *xscr, Drawable drawable,
int x, int y, int width, int height,
int src_buf, int dst_buf)
{
XRectangle rect;
XserverRegion region;
rect.x = x;
rect.y = y;
rect.width = width;
rect.height = height;
region = XFixesCreateRegion(xscr->dpy, &rect, 1);
DRI2CopyRegion(xscr->dpy, drawable, region, dst_buf, src_buf);
XFixesDestroyRegion(xscr->dpy, region);
}
static int
ProcDRI2CopyRegion(ClientPtr client)
{
REQUEST(xDRI2CopyRegionReq);
xDRI2CopyRegionReply rep;
DrawablePtr pDrawable;
int status;
RegionPtr pRegion;
REQUEST_SIZE_MATCH(xDRI2CopyRegionReq);
if (!validDrawable(client, stuff->drawable, DixWriteAccess,
&pDrawable, &status))
return status;
VERIFY_REGION(pRegion, stuff->region, client, DixReadAccess);
status = DRI2CopyRegion(pDrawable, pRegion, stuff->dest, stuff->src);
if (status != Success)
return status;
/* CopyRegion needs to be a round trip to make sure the X server
* queues the swap buffer rendering commands before the DRI client
* continues rendering. The reply has a bitmask to signal the
* presense of optional return values as well, but we're not using
* that yet.
*/
rep = (xDRI2CopyRegionReply) {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = 0
};
WriteToClient(client, sizeof(xDRI2CopyRegionReply), &rep);
return Success;
}
static void
load_swap_reply(xDRI2SwapBuffersReply * rep, CARD64 sbc)
{
rep->swap_hi = sbc >> 32;
rep->swap_lo = sbc & 0xffffffff;
}
/**
* Copy between buffers of the DRI2 drawable.
*/
void
x11_drawable_copy_buffers_region(struct x11_screen *xscr, Drawable drawable,
int num_rects, const int *rects,
int src_buf, int dst_buf)
{
XserverRegion region;
XRectangle *rectangles = CALLOC(num_rects, sizeof(XRectangle));
for (int i = 0; i < num_rects; i++) {
rectangles[i].x = rects[i * 4 + 0];
rectangles[i].y = rects[i * 4 + 1];
rectangles[i].width = rects[i * 4 + 2];
rectangles[i].height = rects[i * 4 + 3];
}
region = XFixesCreateRegion(xscr->dpy, rectangles, num_rects);
DRI2CopyRegion(xscr->dpy, drawable, region, dst_buf, src_buf);
XFixesDestroyRegion(xscr->dpy, region);
FREE(rectangles);
}
int ephyrDRI2CopyRegion(XID drawable,
EphyrDRI2WindowPair *pair,
RegionPtr pRegion,
unsigned int dest,
unsigned int src)
{
Display *dpy = hostx_get_display ();
XRectangle xrect;
XserverRegion region;
xrect.x = pRegion->extents.x1;
xrect.y = pRegion->extents.y1;
xrect.width = pRegion->extents.x2 - pRegion->extents.x1;
xrect.height = pRegion->extents.y2 - pRegion->extents.y1;
region = XFixesCreateRegion(dpy, &xrect, 1);
DRI2CopyRegion(dpy, pair->remote, region, dest, src);
XFixesDestroyRegion(dpy, region);
return Success;
}
