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hw/xfree86: Let xf86Rotate leave the BlockHandler unwrapped when possible

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When no shadow frame buffer is needed, the rotate block handler
doesn't need to be called any more. Remove it from the chain.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Keith Packard 2014-04-18 14:24:29 -07:00
parent 79a2733005
commit 3319e7041f
1 changed files with 7 additions and 3 deletions
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10
hw/xfree86/modes/xf86Rotate.c
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@ -243,9 +243,13 @@ xf86RotateBlockHandler(ScreenPtr pScreen,
xf86RotateRedisplay(pScreen);
(*pScreen->BlockHandler) (pScreen, pTimeout, pReadmask);
/* cannot avoid re-wrapping until all wrapping is audited */
xf86_config->BlockHandler = pScreen->BlockHandler;
pScreen->BlockHandler = xf86RotateBlockHandler;
/* Re-wrap if we still need this hook */
if (xf86_config->rotation_damage != NULL) {
xf86_config->BlockHandler = pScreen->BlockHandler;
pScreen->BlockHandler = xf86RotateBlockHandler;
} else
xf86_config->BlockHandler = NULL;
}
void