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xf86-video-intel
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Fix XV scan line calculation when rotated.

This commit is contained in:
Barry Scott 2009-07-13 16:34:20 -07:00 committed by Eric Anholt
parent 82905c7c0b
commit b74bf3f9a6
1 changed files with 6 additions and 5 deletions
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11
src/i830_video.c
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@ -2539,7 +2539,7 @@ I830PutImage(ScrnInfoPtr pScrn,
if (sync) {
BoxPtr box;
int y1, y2;
pixman_box16_t box_in_crtc_coordinates;
int pipe = -1, event, load_scan_lines_pipe;
if (pixmap_is_scanout(pPixmap))
@ -2555,16 +2555,17 @@ I830PutImage(ScrnInfoPtr pScrn,
}
box = REGION_EXTENTS(unused, clipBoxes);
y1 = box->y1 - crtc->y;
y2 = box->y2 - crtc->y;
box_in_crtc_coordinates = *box;
if (crtc->transform_in_use)
pixman_f_transform_bounds (&crtc->f_framebuffer_to_crtc, &box_in_crtc_coordinates);
BEGIN_BATCH(5);
/* The documentation says that the LOAD_SCAN_LINES command
* always comes in pairs. Don't ask me why. */
OUT_BATCH(MI_LOAD_SCAN_LINES_INCL | load_scan_lines_pipe);
OUT_BATCH((y1 << 16) | y2);
OUT_BATCH((box_in_crtc_coordinates.y1 << 16) | box_in_crtc_coordinates.y2);
OUT_BATCH(MI_LOAD_SCAN_LINES_INCL | load_scan_lines_pipe);
OUT_BATCH((y1 << 16) | y2);
OUT_BATCH((box_in_crtc_coordinates.y1 << 16) | box_in_crtc_coordinates.y2);
OUT_BATCH(MI_WAIT_FOR_EVENT | event);
ADVANCE_BATCH();
}