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[patch] SDL deadzones patch

deadzones-2.patch (text/plain), 2.53 KB, created by Kai Krakow on 2020-07-22 05:02:33 UTC

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Creator: Kai Krakow

Created: 2020-07-22 05:02:33 UTC

Size: 2.53 KB

patch

obsolete

># HG changeset patch
># User Kai Krakow <kai@kaishome.de>
># Date 1595367522 -7200
>#      Tue Jul 21 23:38:42 2020 +0200
># Branch deadzones
># Node ID f3ac56312d901e4570546cdbcfdbc7ae24f9373c
># Parent  258d4a047cc412f96ce7c02b844c002ac377d580
>Linux: Add hint for disabling deadzones
>
>diff -r 258d4a047cc4 -r f3ac56312d90 include/SDL_hints.h
>--- a/include/SDL_hints.h	Mon Jul 20 10:09:07 2020 -0700
>+++ b/include/SDL_hints.h	Tue Jul 21 23:38:42 2020 +0200
>@@ -696,6 +696,18 @@
>   */
> #define SDL_HINT_JOYSTICK_RAWINPUT "SDL_JOYSTICK_RAWINPUT"
> 
>+ /**
>+  *  \brief  A variable controlling whether Linux joysticks adhere their HID-defined deadzones or return unfiltered values.
>+  *      This is useful for Wine which implements its own deadzone handler if requested by games, also it enables xinput
>+  *      games to receive unfiltered values as required from the API.
>+  *
>+  *  This variable can be set to the following values:
>+  *    "0"       - Linux deadzones are not used by SDL
>+  *    "1"       - Linux deadzones are used by SDL (the default)
>+  *
>+  */
>+#define SDL_HINT_LINUX_JOYSTICK_DEADZONES "SDL_LINUX_JOYSTICK_DEADZONES"
>+
> /**
>  *  \brief If set to "0" then never set the top most bit on a SDL Window, even if the video mode expects it.
>  *      This is a debugging aid for developers and not expected to be used by end users. The default is "1"
>diff -r 258d4a047cc4 -r f3ac56312d90 src/joystick/linux/SDL_sysjoystick.c
>--- a/src/joystick/linux/SDL_sysjoystick.c	Mon Jul 20 10:09:07 2020 -0700
>+++ b/src/joystick/linux/SDL_sysjoystick.c	Tue Jul 21 23:38:42 2020 +0200
>@@ -38,6 +38,7 @@
> #include <linux/joystick.h>
> 
> #include "SDL_assert.h"
>+#include "SDL_hints.h"
> #include "SDL_joystick.h"
> #include "SDL_endian.h"
> #include "SDL_timer.h"
>@@ -706,6 +707,7 @@
>             }
>             if (test_bit(i, absbit)) {
>                 struct input_absinfo absinfo;
>+                SDL_bool hint_used = SDL_GetHintBoolean(SDL_HINT_LINUX_JOYSTICK_DEADZONES, SDL_TRUE);
> 
>                 if (ioctl(fd, EVIOCGABS(i), &absinfo) < 0) {
>                     continue;
>@@ -721,7 +723,7 @@
>                 if (absinfo.minimum == absinfo.maximum) {
>                     joystick->hwdata->abs_correct[i].used = 0;
>                 } else {
>-                    joystick->hwdata->abs_correct[i].used = 1;
>+                    joystick->hwdata->abs_correct[i].used = hint_used;
>                     joystick->hwdata->abs_correct[i].coef[0] =
>                         (absinfo.maximum + absinfo.minimum) - 2 * absinfo.flat;
>                     joystick->hwdata->abs_correct[i].coef[1] =

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We are currently migrating Bugzilla to GitHub issues.Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.

We are currently migrating Bugzilla to GitHub issues.
Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.
When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.