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sna: Allow TearFree to be enabled by default via configure 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-06-07 09:07:16 +01:00
parent dcb64b5509
commit 717e00facd
2 changed files with 20 additions and 4 deletions
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10
configure.ac
View File

@ -668,6 +668,16 @@ AC_MSG_RESULT($accel)
xp_msg=""
AC_ARG_ENABLE(tear-free,
AS_HELP_STRING([--enable-tear-free],
[Enable use of TearFree by default [default=no]]),
[TEARFREE="$enableval"],
[TEARFREE="no"])
if test "x$TEARFREE" = "xyes"; then
AC_DEFINE(TEARFREE,1,[Enable "TearFree" by default])
xp_msg="$xp_msg TearFree"
fi
AC_ARG_ENABLE(rendernode,
AS_HELP_STRING([--enable-rendernode],
[Enable use of render nodes (experimental) [default=no]]),

14
src/sna/sna_driver.c
View File

@ -71,6 +71,12 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "git_version.h"
#endif
#ifdef TEARFREE
#define ENABLE_TEAR_FREE TRUE
#else
#define ENABLE_TEAR_FREE FALSE
#endif
DevPrivateKeyRec sna_pixmap_key;
DevPrivateKeyRec sna_gc_key;
DevPrivateKeyRec sna_window_key;
@ -627,10 +633,6 @@ static Bool sna_pre_init(ScrnInfoPtr scrn, int flags)
sna->flags |= SNA_TRIPLE_BUFFER;
DBG(("%s: triple buffer? %s\n", __FUNCTION__, sna->flags & SNA_TRIPLE_BUFFER ? "enabled" : "disabled"));
if ((sna->flags & (SNA_NO_VSYNC | SNA_NO_FLIP)) == 0 &&
xf86ReturnOptValBool(sna->Options, OPTION_TEAR_FREE, FALSE))
sna->flags |= SNA_TEAR_FREE;
if (xf86ReturnOptValBool(sna->Options, OPTION_CRTC_PIXMAPS, FALSE))
sna->flags |= SNA_FORCE_SHADOW;
@ -654,6 +656,10 @@ static Bool sna_pre_init(ScrnInfoPtr scrn, int flags)
}
scrn->currentMode = scrn->modes;
if (sna->flags & SNA_HAS_FLIP &&
xf86ReturnOptValBool(sna->Options, OPTION_TEAR_FREE, ENABLE_TEAR_FREE))
sna->flags |= SNA_TEAR_FREE;
xf86SetGamma(scrn, zeros);
xf86SetDpi(scrn, 0, 0);