diff options
Diffstat (limited to 'xorg-server/randr/rrsprite.c')
| -rw-r--r-- | xorg-server/randr/rrsprite.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/xorg-server/randr/rrsprite.c b/xorg-server/randr/rrsprite.c new file mode 100644 index 000000000..c441e0396 --- /dev/null +++ b/xorg-server/randr/rrsprite.c @@ -0,0 +1,104 @@ +/*
+ * 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 "swaprep.h"
+
+void
+RRCrtcSpriteTransformSet(RRCrtcPtr crtc,
+ PictTransform *position_transform,
+ PictTransform *image_transform,
+ struct pict_f_transform *f_position_transform,
+ struct pict_f_transform *f_image_transform)
+{
+ ScreenPtr pScreen;
+ rrScrPrivPtr pScrPriv;
+
+ pScreen = crtc->pScreen;
+ pScrPriv = rrGetScrPriv(pScreen);
+ crtc->client_sprite_position_transform = *position_transform;
+ crtc->client_sprite_image_transform = *image_transform;
+ crtc->client_sprite_f_position_transform = *f_position_transform;
+ crtc->client_sprite_f_image_transform = *f_image_transform;
+ if (pScrPriv->rrSetCrtcSpriteTransform)
+ (*pScrPriv->rrSetCrtcSpriteTransform) (pScreen, crtc,
+ &crtc->client_sprite_f_position_transform,
+ &crtc->client_sprite_f_image_transform);
+}
+
+int
+ProcRRSetCrtcSpriteTransform (ClientPtr client)
+{
+ REQUEST(xRRSetCrtcSpriteTransformReq);
+ RRCrtcPtr crtc;
+ PictTransform position_transform, image_transform;
+ struct pixman_f_transform f_position_transform, f_image_transform;
+
+ REQUEST_AT_LEAST_SIZE(xRRSetCrtcSpriteTransformReq);
+ VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);
+
+ PictTransform_from_xRenderTransform (&position_transform, &stuff->positionTransform);
+ PictTransform_from_xRenderTransform (&image_transform, &stuff->imageTransform);
+ pixman_f_transform_from_pixman_transform (&f_position_transform, &position_transform);
+ pixman_f_transform_from_pixman_transform (&f_image_transform, &image_transform);
+
+ RRCrtcSpriteTransformSet (crtc, &position_transform, &image_transform,
+ &f_position_transform, &f_image_transform);
+ return Success;
+}
+
+#define CrtcSpriteTransformExtra (SIZEOF(xRRGetCrtcSpriteTransformReply) - 32)
+
+int
+ProcRRGetCrtcSpriteTransform (ClientPtr client)
+{
+ REQUEST(xRRGetCrtcSpriteTransformReq);
+ xRRGetCrtcSpriteTransformReply *reply;
+ RRCrtcPtr crtc;
+ int n;
+ char *extra;
+
+ REQUEST_SIZE_MATCH (xRRGetCrtcSpriteTransformReq);
+ VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);
+
+ reply = malloc(sizeof (xRRGetCrtcSpriteTransformReply));
+ if (!reply)
+ return BadAlloc;
+
+ extra = (char *) (reply + 1);
+ reply->type = X_Reply;
+ reply->sequenceNumber = client->sequence;
+ reply->length = bytes_to_int32(CrtcSpriteTransformExtra);
+
+ xRenderTransform_from_PictTransform(&reply->positionTransform, &crtc->client_sprite_position_transform);
+ xRenderTransform_from_PictTransform(&reply->imageTransform, &crtc->client_sprite_image_transform);
+
+ if (client->swapped) {
+ swaps (&reply->sequenceNumber, n);
+ swapl (&reply->length, n);
+ SwapLongs((CARD32 *) &reply->positionTransform, bytes_to_int32(sizeof(xRenderTransform)));
+ SwapLongs((CARD32 *) &reply->imageTransform, bytes_to_int32(sizeof(xRenderTransform)));
+ }
+ WriteToClient (client, sizeof (xRRGetCrtcSpriteTransformReply), (char *) reply);
+ free(reply);
+ return Success;
+}
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