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[0.4.13][NTOS:INBV] Fix screen flash and more (#2821)

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

cherry picked from commit 0.4.15-dev-287-g 319374eb71
This commit is contained in:
Joachim Henze 2021-01-15 14:29:57 +01:00
parent 2e4713d711
commit b97a2ae1ca
1 changed files with 2 additions and 2 deletions
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4
ntoskrnl/inbv/inbv.c
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@ -1277,12 +1277,12 @@ DisplayBootBitmap(IN BOOLEAN TextMode)
#endif #endif
#ifdef INBV_ROTBAR_IMPLEMENTED #ifdef INBV_ROTBAR_IMPLEMENTED
if (Bar) if ((TempRotBarSelection == RB_SQUARE_CELLS) && Bar)
{ {
/* Save previous screen pixels to buffer */ /* Save previous screen pixels to buffer */
InbvScreenToBufferBlt(Buffer, 0, 0, 22, 9, 24); InbvScreenToBufferBlt(Buffer, 0, 0, 22, 9, 24);
/* Draw the progress bar bit */ /* Draw the progress bar bit */
InbvBitBlt(Bar, 0, 0); BitBltPalette(Bar, TRUE, 0, 0);
/* Store it in global buffer */ /* Store it in global buffer */
InbvScreenToBufferBlt(RotBarBuffer, 0, 0, 22, 9, 24); InbvScreenToBufferBlt(RotBarBuffer, 0, 0, 22, 9, 24);
/* Restore screen pixels */ /* Restore screen pixels */