From fe4bce275897a7950a11882feb66da2f31ca6fe1 Mon Sep 17 00:00:00 2001
From: AITUS95 <48457684+AITUS95@users.noreply.github.com>
Date: Fri, 9 Jan 2026 13:02:43 +0100
Subject: [PATCH] Implement dirty line marking in vid_voodoo_blitter

Added dirty line marking for single buffer mode.
---
 src/video/vid_voodoo_blitter.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/video/vid_voodoo_blitter.c b/src/video/vid_voodoo_blitter.c
index d4b316dc5..619e18b74 100644
--- a/src/video/vid_voodoo_blitter.c
+++ b/src/video/vid_voodoo_blitter.c
@@ -506,6 +506,9 @@ voodoo_fastfill(voodoo_t *voodoo, voodoo_params_t *params)
                     for (int x = params->clipLeft; x < params->clipRight; x++)
                         cbuf[x] = col;
                 }
+                /* Mark line dirty for single buffer mode */
+                if (params->draw_offset == params->front_offset && y < 2048)
+                    voodoo->dirty_line[y] = 1;
             }
         }
     }
@@ -535,4 +538,5 @@ voodoo_fastfill(voodoo_t *voodoo, voodoo_params_t *params)
             }
         }
     }
+
 }