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- Correctly swap the Red and Blue colors while setting the palette on non-VGA compatible adapters.

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svn path=/trunk/; revision=9206
This commit is contained in:
Filip Navara 2004-04-23 20:12:57 +00:00
parent 4e374dbe4b
commit e7d451e2fd
1 changed files with 15 additions and 8 deletions
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23
reactos/drivers/video/miniport/vbe/vbemp.c
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@ -761,11 +761,11 @@ VBESetColorRegisters(
PSTATUS_BLOCK StatusBlock)
{
KV86M_REGISTERS BiosRegisters;
ULONG Entry;
PULONG OutputEntry;
if (DeviceExtension->VGACompatible)
{
ULONG Entry;
for (Entry = ColorLookUpTable->FirstEntry;
Entry < ColorLookUpTable->NumEntries + ColorLookUpTable->FirstEntry;
Entry++)
@ -780,14 +780,21 @@ VBESetColorRegisters(
else
{
/*
* FIXME:
* This is untested code path, it's possible that it will
* not work at all or that Red and Blue colors will be swapped.
* We can't just copy the values, because we need to swap the Red
* and Blue values.
*/
VideoPortMoveMemory(DeviceExtension->TrampolineMemory,
&ColorLookUpTable->LookupTable[0].RgbArray,
sizeof(DWORD) * ColorLookUpTable->NumEntries);
for (Entry = ColorLookUpTable->FirstEntry,
OutputEntry = DeviceExtension->TrampolineMemory;
Entry < ColorLookUpTable->NumEntries + ColorLookUpTable->FirstEntry;
Entry++, OutputEntry++)
{
*OutputEntry =
(ColorLookUpTable->LookupTable[Entry].RgbArray.Red << 16) |
(ColorLookUpTable->LookupTable[Entry].RgbArray.Green << 8) |
(ColorLookUpTable->LookupTable[Entry].RgbArray.Blue);
}
BiosRegisters.Eax = 0x4F09;
BiosRegisters.Ebx = 0;
BiosRegisters.Ecx = ColorLookUpTable->NumEntries;