static int
ProcXF86DRIGetDrawableInfo(
register ClientPtr client
)
{
xXF86DRIGetDrawableInfoReply rep;
DrawablePtr pDrawable;
int X, Y, W, H;
drm_clip_rect_t * pClipRects, *pClippedRects;
drm_clip_rect_t * pBackClipRects;
int backX, backY, rc;
REQUEST(xXF86DRIGetDrawableInfoReq);
REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq);
if (stuff->screen >= screenInfo.numScreens) {
client->errorValue = stuff->screen;
return BadValue;
}
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
DixReadAccess);
if (rc != Success)
return rc;
if (!DRIGetDrawableInfo( screenInfo.screens[stuff->screen],
pDrawable,
(unsigned int*)&rep.drawableTableIndex,
(unsigned int*)&rep.drawableTableStamp,
(int*)&X,
(int*)&Y,
(int*)&W,
(int*)&H,
(int*)&rep.numClipRects,
&pClipRects,
&backX,
&backY,
(int*)&rep.numBackClipRects,
&pBackClipRects)) {
return BadValue;
}
rep.drawableX = X;
rep.drawableY = Y;
rep.drawableWidth = W;
rep.drawableHeight = H;
rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) -
SIZEOF(xGenericReply));
rep.backX = backX;
rep.backY = backY;
if (rep.numBackClipRects)
rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects;
pClippedRects = pClipRects;
if (rep.numClipRects) {
/* Clip cliprects to screen dimensions (redirected windows) */
pClippedRects = xalloc(rep.numClipRects * sizeof(drm_clip_rect_t));
if (pClippedRects) {
ScreenPtr pScreen = screenInfo.screens[stuff->screen];
int i, j;
for (i = 0, j = 0; i < rep.numClipRects; i++) {
pClippedRects[j].x1 = max(pClipRects[i].x1, 0);
pClippedRects[j].y1 = max(pClipRects[i].y1, 0);
pClippedRects[j].x2 = min(pClipRects[i].x2, pScreen->width);
pClippedRects[j].y2 = min(pClipRects[i].y2, pScreen->height);
if (pClippedRects[j].x1 < pClippedRects[j].x2 &&
pClippedRects[j].y1 < pClippedRects[j].y2) {
j++;
}
}
rep.numClipRects = j;
} else {
rep.numClipRects = 0;
}
rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects;
}
rep.length = ((rep.length + 3) & ~3) >> 2;
WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep);
if (rep.numClipRects) {
WriteToClient(client,
sizeof(drm_clip_rect_t) * rep.numClipRects,
(char *)pClippedRects);
xfree(pClippedRects);
}
if (rep.numBackClipRects) {
WriteToClient(client,
sizeof(drm_clip_rect_t) * rep.numBackClipRects,
(char *)pBackClipRects);
}
return (client->noClientException);
}
static int
ProcXF86DRIGetDrawableInfo(
register ClientPtr client
)
{
xXF86DRIGetDrawableInfoReply rep;
DrawablePtr pDrawable;
int X, Y, W, H;
drm_clip_rect_t * pClipRects;
drm_clip_rect_t * pBackClipRects;
int backX, backY;
REQUEST(xXF86DRIGetDrawableInfoReq);
REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq);
if (stuff->screen >= screenInfo.numScreens) {
client->errorValue = stuff->screen;
return BadValue;
}
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
if (!(pDrawable = (DrawablePtr)SecurityLookupDrawable(
(Drawable)stuff->drawable,
client,
SecurityReadAccess))) {
return BadValue;
}
if (!DRIGetDrawableInfo( screenInfo.screens[stuff->screen],
pDrawable,
(unsigned int*)&rep.drawableTableIndex,
(unsigned int*)&rep.drawableTableStamp,
(int*)&X,
(int*)&Y,
(int*)&W,
(int*)&H,
(int*)&rep.numClipRects,
&pClipRects,
&backX,
&backY,
(int*)&rep.numBackClipRects,
&pBackClipRects)) {
return BadValue;
}
rep.drawableX = X;
rep.drawableY = Y;
rep.drawableWidth = W;
rep.drawableHeight = H;
rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) -
SIZEOF(xGenericReply));
rep.backX = backX;
rep.backY = backY;
if (rep.numBackClipRects)
rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects;
if (rep.numClipRects)
rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects;
rep.length = ((rep.length + 3) & ~3) >> 2;
WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep);
if (rep.numClipRects) {
WriteToClient(client,
sizeof(drm_clip_rect_t) * rep.numClipRects,
(char *)pClipRects);
}
if (rep.numBackClipRects) {
WriteToClient(client,
sizeof(drm_clip_rect_t) * rep.numBackClipRects,
(char *)pBackClipRects);
}
return (client->noClientException);
}
