66294afcab
This implements sprite position transformations. Sprite image transforms are passed all the way to the DDX layer, but the images are not yet manipulated before being passed to the drivers. Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Aaron Plattner <aplattner@nvidia.com>
105 lines
4.1 KiB
C
105 lines
4.1 KiB
C
/*
|
|
* 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;
|
|
}
|