From: Marvin Haeuser <mhaeu...@outlook.de>
Currently, SourceX is not considered in the BufferToVideo operation
when the 8-bit pixel format is used. Correctly add the resulting
offset to prevent image corruption.
Cc: Jian J Wang <jian.j.w...@intel.com>
Cc: Hao A Wu <hao.a...@intel.com>
Signed-off-by: Marvin Haeuser <mhaeu...@outlook.de>
---
MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.c
b/MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.c
index 47c5326e9958..a084cc81d32e 100644
--- a/MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.c
+++ b/MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.c
@@ -504,7 +504,7 @@ FrameBufferBltLibBufferToVideo (
Destination = Configure->FrameBuffer + Offset;
if (Configure->PixelFormat == PixelBlueGreenRedReserved8BitPerColor) {
- Source = (UINT8 *) BltBuffer + (SrcY * Delta);
+ Source = (UINT8 *) BltBuffer + (SrcY * Delta) + (SourceX * sizeof
(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
} else {
for (IndexX = 0; IndexX < Width; IndexX++) {
Blt =
--
2.23.0.windows.1
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