From c16d81132e45b34c1104a4cbb32083311ba0399a Mon Sep 17 00:00:00 2001
From: Yaroslav Kibysh <yanet.prod@gmail.com>
Date: Thu, 21 May 2020 01:23:17 +0300
Subject: [PATCH] [0.4.14][NTOS:INBV] Fix screen flash and more (#2821)

- Fix screen flash (CORE-16786);
- Don't process rotating bar if not used.

cherry picked from commit 0.4.15-dev-287-g
319374eb719f675b91e8380e836b31affb824e2b
---
 ntoskrnl/inbv/inbv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ntoskrnl/inbv/inbv.c b/ntoskrnl/inbv/inbv.c
index 5617e8577e2..99f25f80dce 100644
--- a/ntoskrnl/inbv/inbv.c
+++ b/ntoskrnl/inbv/inbv.c
@@ -1279,12 +1279,12 @@ DisplayBootBitmap(IN BOOLEAN TextMode)
 #endif
 
 #ifdef INBV_ROTBAR_IMPLEMENTED
-        if (Bar)
+        if ((TempRotBarSelection == RB_SQUARE_CELLS) && Bar)
         {
             /* Save previous screen pixels to buffer */
             InbvScreenToBufferBlt(Buffer, 0, 0, 22, 9, 24);
             /* Draw the progress bar bit */
-            InbvBitBlt(Bar, 0, 0);
+            BitBltPalette(Bar, TRUE, 0, 0);
             /* Store it in global buffer */
             InbvScreenToBufferBlt(RotBarBuffer, 0, 0, 22, 9, 24);
             /* Restore screen pixels */