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-rw-r--r--source/l/SDL2/SDL2.periodic.magnitude.patch20
1 files changed, 20 insertions, 0 deletions
diff --git a/source/l/SDL2/SDL2.periodic.magnitude.patch b/source/l/SDL2/SDL2.periodic.magnitude.patch
new file mode 100644
index 000000000..2ac8756c6
--- /dev/null
+++ b/source/l/SDL2/SDL2.periodic.magnitude.patch
@@ -0,0 +1,20 @@
+# HG changeset patch
+# User Ethan Lee <flibitijibibo@flibitijibibo.com>
+# Date 1544124378 18000
+# Node ID 1f8d0b1afe07d1cef54d05b46770ac2c5c8f0c09
+# Parent 99d8b18acf8a2a5f8344150ca55c3b3f382bab2f
+Linux Haptic: Fix periodic.magnitude value
+
+diff -r 99d8b18acf8a -r 1f8d0b1afe07 src/haptic/linux/SDL_syshaptic.c
+--- a/src/haptic/linux/SDL_syshaptic.c Sat Dec 08 11:22:50 2018 -0800
++++ b/src/haptic/linux/SDL_syshaptic.c Thu Dec 06 14:26:18 2018 -0500
+@@ -801,8 +801,7 @@
+ else if (periodic->type == SDL_HAPTIC_SAWTOOTHDOWN)
+ dest->u.periodic.waveform = FF_SAW_DOWN;
+ dest->u.periodic.period = CLAMP(periodic->period);
+- /* Linux expects 0-65535, so multiply by 2 */
+- dest->u.periodic.magnitude = CLAMP(periodic->magnitude) * 2;
++ dest->u.periodic.magnitude = periodic->magnitude;
+ dest->u.periodic.offset = periodic->offset;
+ /* Linux phase is defined in interval "[0x0000, 0x10000[", corresponds with "[0deg, 360deg[" phase shift. */
+ dest->u.periodic.phase = ((Uint32)periodic->phase * 0x10000U) / 36000;