dix: add utility functions for double to/fro FP1616/FP3232 conversion

Co-authored-by: Jeremy Huddleston <jeremyhu@apple.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
This commit is contained in:
Jeremy Huddleston
2011-10-05 15:02:52 -07:00
parent 09dbfcb0ad
commit f9c6903d4a
3 changed files with 197 additions and 0 deletions

View File

@@ -30,6 +30,7 @@
#define INPUTUTILS_H
#include "input.h"
#include <X11/extensions/XI2proto.h>
struct _ValuatorMask {
int8_t last_bit; /* highest bit set in mask */
@@ -40,4 +41,9 @@ struct _ValuatorMask {
extern void verify_internal_event(const InternalEvent *ev);
extern void init_device_event(DeviceEvent *event, DeviceIntPtr dev, Time ms);
FP3232 double_to_fp3232(double in);
FP1616 double_to_fp1616(double in);
double fp1616_to_double(FP1616 in);
double fp3232_to_double(FP3232 in);
#endif