SDL: Perform full rectangle intersection for empty rects (80cbc)

SDL Commits
1 
From 80cbc908a118527bf159e86888c33b8d6ccd0eeb Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 25 Oct 2025 13:47:11 -0700
Subject: [PATCH] Perform full rectangle intersection for empty rects

If we don't do that, we leave the x and y values uninitialized.

Fixes https://github.com/libsdl-org/sdl12-compat/issues/365

(cherry picked from commit ffd0ca4391dc012d11d7cbe22279ecc25400621b)
(cherry picked from commit 1c19bee0007729e4e05fb627ade0b1be0f414241)
---
 src/video/SDL_rect_impl.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/src/video/SDL_rect_impl.h b/src/video/SDL_rect_impl.h
index ffc3d853c9f12..31f2a23c928e9 100644
--- a/src/video/SDL_rect_impl.h
+++ b/src/video/SDL_rect_impl.h
@@ -31,8 +31,6 @@ SDL_bool SDL_HASINTERSECTION(const RECTTYPE *A, const RECTTYPE *B)
     } else if (!B) {
         SDL_InvalidParamError("B");
         return SDL_FALSE;
-    } else if (SDL_RECTEMPTY(A) || SDL_RECTEMPTY(B)) {
-        return SDL_FALSE; /* Special cases for empty rects */
     }
 
     /* Horizontal intersection */
@@ -79,10 +77,6 @@ SDL_bool SDL_INTERSECTRECT(const RECTTYPE *A, const RECTTYPE *B, RECTTYPE *resul
     } else if (!result) {
         SDL_InvalidParamError("result");
         return SDL_FALSE;
-    } else if (SDL_RECTEMPTY(A) || SDL_RECTEMPTY(B)) { /* Special cases for empty rects */
-        result->w = 0;
-        result->h = 0;
-        return SDL_FALSE;
     }
 
     /* Horizontal intersection */