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Actually use filter kernel size to expand transform redisplay box

This commit is contained in:
Keith Packard 2008-03-17 16:14:15 -07:00
parent 3fdb963f6e
commit eb222e6412
1 changed files with 9 additions and 4 deletions
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13
hw/xfree86/modes/xf86Rotate.c
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@ -118,10 +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;
dst_box.x1 -= crtc->filter_width >> 1;
dst_box.x2 += crtc->filter_width >> 1;
dst_box.y1 -= crtc->filter_height >> 1;
dst_box.y2 += crtc->filter_height >> 1;
PictureTransformBounds (&dst_box, &crtc->framebuffer_to_crtc);
CompositePicture (PictOpSrc,
src, NULL, dst,
@ -408,6 +408,11 @@ xf86CrtcRotate (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation)
}
} else
new_filter = transform->filter;
if (new_filter)
{
new_width = new_filter->width;
new_height = new_filter->height;
}
PictureTransformMultiply (&crtc_to_fb, &transform->transform, &crtc_to_fb);
PictureTransformMultiply (&fb_to_crtc, &fb_to_crtc, &transform->inverse);
}