SDL: Make sure that we process touch events that position the mouse

SDL Commits
1 
From 8a8aed477d1ca983fb838dbacf6fad9ea36ba2d1 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Wed, 30 Aug 2023 21:31:19 -0700
Subject: [PATCH] Make sure that we process touch events that position the
 mouse

Fixes https://github.com/libsdl-org/SDL/issues/8176
---
 src/events/SDL_mouse.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/events/SDL_mouse.c b/src/events/SDL_mouse.c
index 54fd53d641f8..ee9d4a25776c 100644
--- a/src/events/SDL_mouse.c
+++ b/src/events/SDL_mouse.c
@@ -609,6 +609,13 @@ static int SDL_PrivateSendMouseMotion(Uint64 timestamp, SDL_Window *window, SDL_
         }
     }
 
+    if (mouse->has_position && xrel == 0.0f && yrel == 0.0f) { /* Drop events that don't change state */
+#ifdef DEBUG_MOUSE
+        SDL_Log("Mouse event didn't change state - dropped!\n");
+#endif
+        return 0;
+    }
+
     /* Ignore relative motion positioning the first touch */
     if (mouseID == SDL_TOUCH_MOUSEID && !GetButtonState(mouse, SDL_TRUE)) {
         xrel = 0.0f;
@@ -616,13 +623,6 @@ static int SDL_PrivateSendMouseMotion(Uint64 timestamp, SDL_Window *window, SDL_
     }
 
     if (mouse->has_position) {
-        if (xrel == 0.0f && yrel == 0.0f) { /* Drop events that don't change state */
-#ifdef DEBUG_MOUSE
-            SDL_Log("Mouse event didn't change state - dropped!\n");
-#endif
-            return 0;
-        }
-
         /* Update internal mouse coordinates */
         if (!mouse->relative_mode) {
             mouse->x = x;