Speed up full-surface fills

libsdl-org · Nov 25, 2024 · 7a3f5ef · 7a3f5ef
1 parent 10e2ce9
commit 7a3f5ef
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/video/SDL_fillrect.c b/src/video/SDL_fillrect.c
@@ -59,6 +59,13 @@ static void SDL_TARGETING("sse") SDL_FillSurfaceRect##bpp##SSE(Uint8 *pixels, in
 { \
     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; \
  \