diff options
Diffstat (limited to 'xorg-server/randr/rrpixmap.c')
| -rw-r--r-- | xorg-server/randr/rrpixmap.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/xorg-server/randr/rrpixmap.c b/xorg-server/randr/rrpixmap.c new file mode 100644 index 000000000..5949309c9 --- /dev/null +++ b/xorg-server/randr/rrpixmap.c @@ -0,0 +1,154 @@ +/*
+ * Copyright © 2010 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+#include "xace.h"
+
+int
+ProcRRQueryScanoutPixmaps (ClientPtr client)
+{
+ REQUEST(xRRQueryScanoutPixmapsReq);
+ xRRQueryScanoutPixmapsReply rep;
+ RRScanoutPixmapInfo *info;
+ xRRScanoutPixmapInfo *x_info;
+ int n_info;
+ int rc;
+ DrawablePtr drawable;
+ ScreenPtr screen;
+ rrScrPrivPtr screen_priv;
+ int n, s;
+
+ REQUEST_SIZE_MATCH(xRRQueryScanoutPixmapsReq);
+ rc = dixLookupDrawable(&drawable, stuff->drawable, client, 0, DixGetAttrAccess);
+ if (rc != Success) {
+ client->errorValue = stuff->drawable;
+ return rc;
+ }
+
+ screen = drawable->pScreen;
+ screen_priv = rrGetScrPriv(screen);
+
+ rep.type = X_Reply;
+ /* rep.status has already been filled in */
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ info = RRQueryScanoutPixmapInfo(screen, &n_info);
+ x_info = calloc(n_info, sizeof (xRRScanoutPixmapInfo));
+ if (n_info && !x_info)
+ return BadAlloc;
+ rep.length += (n_info * sizeof (xRRScanoutPixmapInfo)) >> 2;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ }
+
+ for (s = 0; s < n_info; s++) {
+ x_info[s].format = info[s].format->id;
+ x_info[s].maxWidth = info[s].maxWidth;
+ x_info[s].maxHeight = info[s].maxHeight;
+ x_info[s].rotations = info[s].rotations;
+ if (client->swapped) {
+ swapl(&x_info[s].format, n);
+ swaps(&x_info[s].maxWidth, n);
+ swaps(&x_info[s].maxHeight, n);
+ swaps(&x_info[s].rotations, n);
+ }
+ }
+
+ WriteToClient(client, sizeof(rep), (char *)&rep);
+ if (n_info)
+ WriteToClient(client, n_info * sizeof (xRRScanoutPixmapInfo),
+ (char *) x_info);
+ return Success;
+}
+
+int
+ProcRRCreateScanoutPixmap (ClientPtr client)
+{
+ REQUEST(xRRCreateScanoutPixmapReq);
+ int rc;
+ DrawablePtr drawable;
+ ScreenPtr screen;
+ rrScrPrivPtr screen_priv;
+ PixmapPtr pixmap;
+ int n_info;
+ RRScanoutPixmapInfo *info;
+ int s;
+
+ REQUEST_SIZE_MATCH(xRRCreateScanoutPixmapReq);
+ client->errorValue = stuff->pid;
+ LEGAL_NEW_RESOURCE(stuff->pid, client);
+
+ rc = dixLookupDrawable(&drawable, stuff->drawable, client, 0, DixGetAttrAccess);
+ if (rc != Success) {
+ client->errorValue = stuff->drawable;
+ return rc;
+ }
+ screen = drawable->pScreen;
+ screen_priv = rrGetScrPriv(screen);
+ if (!screen_priv)
+ return BadValue;
+
+ info = RRQueryScanoutPixmapInfo(screen, &n_info);
+ for (s = 0; s < n_info; s++) {
+ if (info[s].format->id == stuff->format)
+ break;
+ }
+ if (s == n_info || !screen_priv->rrCreateScanoutPixmap) {
+ client->errorValue = stuff->format;
+ return BadValue;
+ }
+ info = &info[s];
+ if (!stuff->width || stuff->width > info->maxWidth) {
+ client->errorValue = stuff->width;
+ return BadValue;
+ }
+ if (!stuff->height || stuff->height > info->maxHeight) {
+ client->errorValue = stuff->height;
+ return BadValue;
+ }
+ if ((stuff->rotations & info->rotations) != stuff->rotations) {
+ client->errorValue = stuff->rotations;
+ return BadValue;
+ }
+
+ pixmap = screen_priv->rrCreateScanoutPixmap (screen,
+ stuff->width, stuff->height,
+ info->depth,
+ stuff->rotations,
+ info->format);
+ if (!pixmap)
+ return BadAlloc;
+
+ pixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ pixmap->drawable.id = stuff->pid;
+ rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, RT_PIXMAP,
+ pixmap, RT_NONE, NULL, DixCreateAccess);
+ if (rc != Success) {
+ screen->DestroyPixmap(pixmap);
+ return rc;
+ }
+ if (!AddResource(stuff->pid, RT_PIXMAP, pixmap))
+ return BadAlloc;
+ return Success;
+}
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