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[USETUP] Optimize font loading

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Reload a new font only if codepage changed.
This commit is contained in:
Hervé Poussineau 2019-05-13 23:22:20 +02:00
parent aaa416d36a
commit 0d51c71ed7
1 changed files with 9 additions and 1 deletions
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10
base/setup/usetup/console.c
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@ -40,6 +40,7 @@ static BOOLEAN InputQueueEmpty;
static BOOLEAN WaitForInput; static BOOLEAN WaitForInput;
static KEYBOARD_INPUT_DATA InputDataQueue; // Only one element! static KEYBOARD_INPUT_DATA InputDataQueue; // Only one element!
static IO_STATUS_BLOCK InputIosb; static IO_STATUS_BLOCK InputIosb;
static UINT LastLoadedCodepage;
/* FUNCTIONS *****************************************************************/ /* FUNCTIONS *****************************************************************/
@ -670,6 +671,9 @@ SetConsoleOutputCP(
IO_STATUS_BLOCK IoStatusBlock; IO_STATUS_BLOCK IoStatusBlock;
NTSTATUS Status; NTSTATUS Status;
if (wCodepage == LastLoadedCodepage)
return TRUE;
hConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE); hConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE);
Status = NtDeviceIoControlFile(hConsoleOutput, Status = NtDeviceIoControlFile(hConsoleOutput,
@ -682,7 +686,11 @@ SetConsoleOutputCP(
sizeof(ULONG), sizeof(ULONG),
NULL, NULL,
0); 0);
return NT_SUCCESS(Status); if (!NT_SUCCESS(Status))
return FALSE;
LastLoadedCodepage = wCodepage;
return TRUE;
} }