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ephyr: Sync even less in ephyrInternalDamageRedisplay

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If we have multiple damage rects we would sync (if we would sync) after
every hostx_paint_rect. For shm images you'd rather push all the
ShmPutImage requests and wait after the last one.

      before                  after   Operation
------------   --------------------   -------------------------
 232000000.0    240000000.0 (1.034)   Dot
  41500000.0     41400000.0 (0.998)   1x1 rectangle
  11400000.0     11400000.0 (1.000)   10x10 rectangle
    553000.0       553000.0 (1.000)   100x100 rectangle
     37300.0        38500.0 (1.032)   500x500 rectangle
    831000.0      1140000.0 (1.372)   PutImage 10x10 square
     65200.0       134000.0 (2.055)   PutImage 100x100 square
      3410.0         3500.0 (1.026)   PutImage 500x500 square
    810000.0      1150000.0 (1.420)   ShmPutImage 10x10 square
    346000.0       364000.0 (1.052)   ShmPutImage 100x100 square
     22400.0        22800.0 (1.018)   ShmPutImage 500x500 square

Reviewed-by: Emma Anholt <emma@anholt.net>
This commit is contained in:
Adam Jackson 2022-02-09 00:33:10 -05:00
parent 7f88489963
commit cf30498fb8
3 changed files with 11 additions and 6 deletions
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8
hw/kdrive/ephyr/ephyr.c
View file

@ -298,7 +298,7 @@ ephyrShadowUpdate(ScreenPtr pScreen, shadowBufPtr pBuf)
* pBuf->pDamage regions
*/
shadowUpdateRotatePacked(pScreen, pBuf);
hostx_paint_rect(screen, 0, 0, 0, 0, screen->width, screen->height);
hostx_paint_rect(screen, 0, 0, 0, 0, screen->width, screen->height, TRUE);
}
static void
@ -328,7 +328,8 @@ ephyrInternalDamageRedisplay(ScreenPtr pScreen)
hostx_paint_rect(screen,
pbox->x1, pbox->y1,
pbox->x1, pbox->y1,
pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
pbox->x2 - pbox->x1, pbox->y2 - pbox->y1,
nbox == 0);
pbox++;
}
}
@ -889,7 +890,8 @@ ephyrProcessExpose(xcb_generic_event_t *xev)
if (scrpriv) {
hostx_paint_rect(scrpriv->screen, 0, 0, 0, 0,
scrpriv->win_width,
scrpriv->win_height);
scrpriv->win_height,
TRUE);
} else {
EPHYR_LOG_ERROR("failed to get host screen\n");
}

6
hw/kdrive/ephyr/hostx.c
View file

@ -1011,7 +1011,8 @@ static void hostx_paint_debug_rect(KdScreenInfo *screen,
void
hostx_paint_rect(KdScreenInfo *screen,
int sx, int sy, int dx, int dy, int width, int height)
int sx, int sy, int dx, int dy, int width, int height,
Bool sync)
{
EphyrScrPriv *scrpriv = screen->driver;
@ -1100,7 +1101,8 @@ hostx_paint_rect(KdScreenInfo *screen,
HostX.gc, scrpriv->ximg,
scrpriv->shminfo,
sx, sy, dx, dy, width, height, FALSE);
xcb_aux_sync(HostX.conn);
if (sync)
xcb_aux_sync(HostX.conn);
}
else {
xcb_image_t *subimg = xcb_image_subimage(scrpriv->ximg, sx, sy,

3
hw/kdrive/ephyr/hostx.h
View file

@ -146,7 +146,8 @@ void *hostx_screen_init(KdScreenInfo *screen,
void
hostx_paint_rect(KdScreenInfo *screen,
int sx, int sy, int dx, int dy, int width, int height);
int sx, int sy, int dx, int dy, int width, int height,
Bool sync);
Bool
hostx_load_keymap(KeySymsPtr keySyms, CARD8 *modmap, XkbControlsPtr controls);