SDL: Speed up full-surface fills (1e346)

SDL Commits
1 
From 1e3465dc998cbba7adeadd38030d5e38d189389e Mon Sep 17 00:00:00 2001
From: Starbuck5 <[EMAIL REDACTED]>
Date: Sat, 23 Nov 2024 14:48:52 -0800
Subject: [PATCH] Speed up full-surface fills

(cherry picked from commit 7a3f5ef129d7650f9b1a9077e304a15816323976)
(cherry picked from commit 9f07ac8bba58dd3ee000fee68e6219953393c460)
---
 src/video/SDL_fillrect.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/video/SDL_fillrect.c b/src/video/SDL_fillrect.c
index d7d112fd1419d..c7d8acd05d40e 100644
--- a/src/video/SDL_fillrect.c
+++ b/src/video/SDL_fillrect.c
@@ -61,6 +61,13 @@ static void SDL_FillRect##bpp##SSE(Uint8 *pixels, int pitch, Uint32 color, int w
 { \
     int i, n; \
     Uint8 *p = NULL; \
+  \
+    /* If the number of bytes per row is equal to the pitch, treat */ \
+    /* all rows as one long continuous row (for better performance) */ \
+    if ((w) * (bpp) == pitch) { \
+        w = w * h; \
+        h = 1; \
+    } \
  \
     SSE_BEGIN; \
  \