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Handle filter widths in xf86Rotate

This commit is contained in:
Keith Packard 2008-03-17 15:22:06 -07:00
parent ddc8466137
commit ee6326a6b8
2 changed files with 37 additions and 18 deletions
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2
hw/xfree86/modes/xf86Crtc.h
View File

@ -309,6 +309,8 @@ struct _xf86Crtc {
PictFilterPtr filter;
xFixed *params;
int nparams;
int filter_width;
int filter_height;
Bool transform_in_use;
/**
* Bounding box in screen space

41
hw/xfree86/modes/xf86Rotate.c
View File

@ -118,6 +118,10 @@ xf86RotateCrtcRedisplay (xf86CrtcPtr crtc, RegionPtr region)
BoxRec dst_box;
dst_box = *b;
dst_box.x1 -= crtc->filter_width >> 2;
dst_box.x2 += crtc->filter_width >> 2;
dst_box.y1 -= crtc->filter_width >> 2;
dst_box.y2 += crtc->filter_width >> 2;
PictureTransformBounds (&dst_box, &crtc->framebuffer_to_crtc);
CompositePicture (PictOpSrc,
src, NULL, dst,
@ -322,6 +326,11 @@ xf86CrtcRotate (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation)
/* if this is called during ScreenInit() we don't have pScrn->pScreen yet */
ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex];
PictTransform crtc_to_fb, fb_to_crtc;
xFixed *new_params = NULL;
int new_nparams = 0;
PictFilterPtr new_filter = NULL;
int new_width = 0;
int new_height = 0;
PictureTransformInitIdentity (&crtc_to_fb);
PictureTransformInitIdentity (&fb_to_crtc);
@ -385,9 +394,6 @@ xf86CrtcRotate (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation)
#ifdef RANDR_12_INTERFACE
if (crtc->randr_crtc)
{
xFixed *new_params = NULL;
int new_nparams = 0;
PictFilterPtr new_filter = NULL;
RRTransformPtr transform = RRCrtcGetTransform (crtc->randr_crtc);
if (transform)
@ -405,11 +411,6 @@ xf86CrtcRotate (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation)
PictureTransformMultiply (&crtc_to_fb, &transform->transform, &crtc_to_fb);
PictureTransformMultiply (&fb_to_crtc, &fb_to_crtc, &transform->inverse);
}
if (crtc->params)
xfree (crtc->params);
crtc->params = new_params;
crtc->nparams = new_nparams;
crtc->filter = new_filter;
}
#endif
/*
@ -418,12 +419,19 @@ xf86CrtcRotate (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation)
*/
if (PictureTransformIsIdentity (&crtc_to_fb))
{
crtc->transform_in_use = FALSE;
PictureTransformInitTranslate (&crtc->crtc_to_framebuffer,
PictureTransformInitTranslate (&crtc_to_fb,
F (-crtc->x), F (-crtc->y));
PictureTransformInitTranslate (&crtc->framebuffer_to_crtc,
PictureTransformInitTranslate (&fb_to_crtc,
F ( crtc->x), F ( crtc->y));
xf86RotateDestroy (crtc);
crtc->transform_in_use = FALSE;
if (new_params)
xfree (new_params);
new_params = NULL;
new_nparams = 0;
new_filter = NULL;
new_width = 0;
new_height = 0;
}
else
{
@ -494,17 +502,26 @@ xf86CrtcRotate (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation)
NULL,
old_width,
old_height);
if (new_params)
xfree (new_params);
return FALSE;
}
crtc->transform_in_use = TRUE;
}
crtc->crtc_to_framebuffer = crtc_to_fb;
crtc->framebuffer_to_crtc = fb_to_crtc;
if (crtc->params)
xfree (crtc->params);
crtc->params = new_params;
crtc->nparams = new_nparams;
crtc->filter = new_filter;
crtc->filter_width = new_width;
crtc->filter_height = new_height;
crtc->bounds.x1 = 0;
crtc->bounds.x2 = crtc->mode.HDisplay;
crtc->bounds.y1 = 0;
crtc->bounds.y2 = crtc->mode.VDisplay;
PictureTransformBounds (&crtc->bounds, &crtc_to_fb);
}
/* All done */
return TRUE;