From a6cd0c211086e2b1acce0d0197833806df1d57eb Mon Sep 17 00:00:00 2001
From: Erik Abair <erik.abair@gmail.com>
Date: Wed, 6 Apr 2022 16:07:58 -0700
Subject: [PATCH] nv2a: Prevent GPU download after blit operation

---
 hw/xbox/nv2a/pgraph.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hw/xbox/nv2a/pgraph.c b/hw/xbox/nv2a/pgraph.c
index f4d07f7ef11..bac7151e9b8 100644
--- a/hw/xbox/nv2a/pgraph.c
+++ b/hw/xbox/nv2a/pgraph.c
@@ -872,6 +872,11 @@ static void pgraph_image_blit(NV2AState *d)
         if (image_blit->height < surf_dest->height ||
             image_blit->width < surf_dest->width) {
             pgraph_download_surface_data_if_dirty(d, surf_dest);
+        } else {
+            // The blit will completely replace the surface so any pending
+            // download should be discarded.
+            surf_dest->download_pending = false;
+            surf_dest->draw_dirty = false;
         }
         surf_dest->upload_pending = true;
     }