mirror of
https://github.com/reactos/reactos.git
synced 2025-04-27 09:00:27 +00:00
[NTOS:INBV] Simplify a little bit the BootLogoFadeIn() function
- Use KeDelayExecutionThread() instead of KeStallExecutionProcessor(). - Fix magic values and add comments. - Fix structure name.
This commit is contained in:
Hermes Belusca-Maito
Hermès BÉLUSCA - MAÏTO
parent
dd71fb5ec8
commit
b2be558e61
2 changed files with 68 additions and 47 deletions
|
|
@ -48,9 +48,25 @@ static PUCHAR ResourceList[1 + IDB_MAX_RESOURCE]; // First entry == NULL, follow
|
|||
* Change this to modify progress bar behaviour
|
||||
*/
|
||||
#define ROT_BAR_DEFAULT_MODE RB_PROGRESS_BAR
|
||||
|
||||
/*
|
||||
* Values for PltRotBarStatus:
|
||||
* - PltRotBarStatus == 1, do palette fading-in (done elsewhere in ReactOS);
|
||||
* - PltRotBarStatus == 2, do rotation bar animation;
|
||||
* - PltRotBarStatus == 3, stop the animation thread.
|
||||
* - Any other value is ignored and the animation thread continues to run.
|
||||
*/
|
||||
typedef enum _ROT_BAR_STATUS
|
||||
{
|
||||
RBS_FADEIN = 1,
|
||||
RBS_ANIMATE,
|
||||
RBS_STOP_ANIMATE,
|
||||
RBS_STATUS_MAX
|
||||
} ROT_BAR_STATUS;
|
||||
|
||||
static BOOLEAN RotBarThreadActive = FALSE;
|
||||
static ROT_BAR_TYPE RotBarSelection;
|
||||
static ULONG PltRotBarStatus;
|
||||
static ROT_BAR_TYPE RotBarSelection = RB_UNSPECIFIED;
|
||||
static ROT_BAR_STATUS PltRotBarStatus = 0;
|
||||
static UCHAR RotBarBuffer[24 * 9];
|
||||
static UCHAR RotLineBuffer[640 * 6];
|
||||
#endif
|
||||
|
|
@ -109,7 +125,7 @@ typedef struct tagRGBQUAD
|
|||
static RGBQUAD MainPalette[16];
|
||||
|
||||
#define PALETTE_FADE_STEPS 15
|
||||
#define PALETTE_FADE_TIME 20 * 1000 /* 20ms */
|
||||
#define PALETTE_FADE_TIME (20 * 1000) /* 20 ms */
|
||||
|
||||
/** From bootvid/precomp.h **/
|
||||
//
|
||||
|
|
@ -143,52 +159,50 @@ BootLogoFadeIn(VOID)
|
|||
UCHAR PaletteBitmapBuffer[sizeof(BITMAPINFOHEADER) + sizeof(MainPalette)];
|
||||
PBITMAPINFOHEADER PaletteBitmap = (PBITMAPINFOHEADER)PaletteBitmapBuffer;
|
||||
LPRGBQUAD Palette = (LPRGBQUAD)(PaletteBitmapBuffer + sizeof(BITMAPINFOHEADER));
|
||||
|
||||
ULONG Iteration, Index, ClrUsed;
|
||||
|
||||
/* Check if we're installed and we own it */
|
||||
if (InbvBootDriverInstalled &&
|
||||
(InbvDisplayState == INBV_DISPLAY_STATE_OWNED))
|
||||
LARGE_INTEGER Delay;
|
||||
Delay.QuadPart = - (PALETTE_FADE_TIME * 10);
|
||||
|
||||
/* Check if we are installed and we own the display */
|
||||
if (!InbvBootDriverInstalled ||
|
||||
(InbvDisplayState != INBV_DISPLAY_STATE_OWNED))
|
||||
{
|
||||
/* Acquire the lock */
|
||||
InbvAcquireLock();
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Build a bitmap containing the fade in palette. The palette entries
|
||||
* are then processed in a loop and set using VidBitBlt function.
|
||||
*/
|
||||
ClrUsed = RTL_NUMBER_OF(MainPalette);
|
||||
RtlZeroMemory(PaletteBitmap, sizeof(BITMAPINFOHEADER));
|
||||
PaletteBitmap->biSize = sizeof(BITMAPINFOHEADER);
|
||||
PaletteBitmap->biBitCount = 4;
|
||||
PaletteBitmap->biClrUsed = ClrUsed;
|
||||
/*
|
||||
* Build a bitmap containing the fade-in palette. The palette entries
|
||||
* are then processed in a loop and set using VidBitBlt function.
|
||||
*/
|
||||
ClrUsed = RTL_NUMBER_OF(MainPalette);
|
||||
RtlZeroMemory(PaletteBitmap, sizeof(BITMAPINFOHEADER));
|
||||
PaletteBitmap->biSize = sizeof(BITMAPINFOHEADER);
|
||||
PaletteBitmap->biBitCount = 4;
|
||||
PaletteBitmap->biClrUsed = ClrUsed;
|
||||
|
||||
/*
|
||||
* Main animation loop.
|
||||
*/
|
||||
for (Iteration = 0; Iteration <= PALETTE_FADE_STEPS; ++Iteration)
|
||||
/*
|
||||
* Main animation loop.
|
||||
*/
|
||||
for (Iteration = 0; Iteration <= PALETTE_FADE_STEPS; ++Iteration)
|
||||
{
|
||||
for (Index = 0; Index < ClrUsed; Index++)
|
||||
{
|
||||
for (Index = 0; Index < ClrUsed; Index++)
|
||||
{
|
||||
Palette[Index].rgbRed = (UCHAR)
|
||||
(MainPalette[Index].rgbRed * Iteration / PALETTE_FADE_STEPS);
|
||||
Palette[Index].rgbGreen = (UCHAR)
|
||||
(MainPalette[Index].rgbGreen * Iteration / PALETTE_FADE_STEPS);
|
||||
Palette[Index].rgbBlue = (UCHAR)
|
||||
(MainPalette[Index].rgbBlue * Iteration / PALETTE_FADE_STEPS);
|
||||
}
|
||||
|
||||
VidBitBlt(PaletteBitmapBuffer, 0, 0);
|
||||
|
||||
/* Wait for a bit */
|
||||
KeStallExecutionProcessor(PALETTE_FADE_TIME);
|
||||
Palette[Index].rgbRed = (UCHAR)
|
||||
(MainPalette[Index].rgbRed * Iteration / PALETTE_FADE_STEPS);
|
||||
Palette[Index].rgbGreen = (UCHAR)
|
||||
(MainPalette[Index].rgbGreen * Iteration / PALETTE_FADE_STEPS);
|
||||
Palette[Index].rgbBlue = (UCHAR)
|
||||
(MainPalette[Index].rgbBlue * Iteration / PALETTE_FADE_STEPS);
|
||||
}
|
||||
|
||||
/* Release the lock */
|
||||
/* Do the animation */
|
||||
InbvAcquireLock();
|
||||
VidBitBlt(PaletteBitmapBuffer, 0, 0);
|
||||
InbvReleaseLock();
|
||||
|
||||
/* Wait for a bit */
|
||||
KeStallExecutionProcessor(PALETTE_FADE_TIME);
|
||||
KeDelayExecutionThread(KernelMode, FALSE, &Delay);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -799,9 +813,9 @@ InbvRotationThread(
|
|||
InbvAcquireLock();
|
||||
|
||||
/* Unknown unexpected command */
|
||||
ASSERT(PltRotBarStatus <= 3);
|
||||
ASSERT(PltRotBarStatus < RBS_STATUS_MAX);
|
||||
|
||||
if (PltRotBarStatus == 3)
|
||||
if (PltRotBarStatus == RBS_STOP_ANIMATE)
|
||||
{
|
||||
/* Stop the thread */
|
||||
InbvReleaseLock();
|
||||
|
|
@ -866,7 +880,8 @@ NTAPI
|
|||
INIT_FUNCTION
|
||||
InbvRotBarInit(VOID)
|
||||
{
|
||||
PltRotBarStatus = 1;
|
||||
PltRotBarStatus = RBS_FADEIN;
|
||||
/* Perform other initialization if needed */
|
||||
}
|
||||
#endif
|
||||
|
||||
|
|
@ -890,10 +905,10 @@ DisplayBootBitmap(IN BOOLEAN TextMode)
|
|||
#endif
|
||||
|
||||
#ifdef INBV_ROTBAR_IMPLEMENTED
|
||||
/* Check if the system thread has already been created */
|
||||
/* Check if the animation thread has already been created */
|
||||
if (RotBarThreadActive)
|
||||
{
|
||||
/* Reset the progress bar */
|
||||
/* Yes, just reset the progress bar but keep the thread alive */
|
||||
InbvAcquireLock();
|
||||
RotBarSelection = RB_UNSPECIFIED;
|
||||
InbvReleaseLock();
|
||||
|
|
@ -994,7 +1009,7 @@ DisplayBootBitmap(IN BOOLEAN TextMode)
|
|||
|
||||
/*
|
||||
* Save the main image palette and replace it with black palette,
|
||||
* so that we can do fade in effect later.
|
||||
* so that we can do fade-in effect later.
|
||||
*/
|
||||
BitmapInfoHeader = (PBITMAPINFOHEADER)Screen;
|
||||
Palette = (LPRGBQUAD)((PUCHAR)Screen + BitmapInfoHeader->biSize);
|
||||
|
|
@ -1045,6 +1060,11 @@ DisplayBootBitmap(IN BOOLEAN TextMode)
|
|||
InbvBufferToScreenBlt(Buffer, 0, 0, 22, 9, 24);
|
||||
}
|
||||
|
||||
/*
|
||||
* Add a rotating bottom horizontal bar when using a progress bar,
|
||||
* to show that ReactOS can be still alive when the bar does not
|
||||
* appear to progress.
|
||||
*/
|
||||
if (TempRotBarSelection == RB_PROGRESS_BAR)
|
||||
{
|
||||
LineBmp = InbvGetResourceAddress(IDB_ROTATING_LINE);
|
||||
|
|
@ -1078,6 +1098,7 @@ DisplayBootBitmap(IN BOOLEAN TextMode)
|
|||
NULL);
|
||||
if (NT_SUCCESS(Status))
|
||||
{
|
||||
/* The thread has started, close the handle as we don't need it */
|
||||
RotBarThreadActive = TRUE;
|
||||
ObCloseHandle(ThreadHandle, KernelMode);
|
||||
}
|
||||
|
|
@ -1089,7 +1110,7 @@ DisplayBootBitmap(IN BOOLEAN TextMode)
|
|||
}
|
||||
|
||||
#ifdef INBV_ROTBAR_IMPLEMENTED
|
||||
/* Do we have a system thread? */
|
||||
/* Do we have the animation thread? */
|
||||
if (RotBarThreadActive)
|
||||
{
|
||||
/* We do, initialize the progress bar */
|
||||
|
|
@ -1148,7 +1169,7 @@ FinalizeBootLogo(VOID)
|
|||
|
||||
/* Reset progress bar and lock */
|
||||
#ifdef INBV_ROTBAR_IMPLEMENTED
|
||||
PltRotBarStatus = 3;
|
||||
PltRotBarStatus = RBS_STOP_ANIMATE;
|
||||
RotBarThreadActive = FALSE;
|
||||
#endif
|
||||
InbvReleaseLock();
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
#pragma once
|
||||
|
||||
typedef struct _InbvProgressState
|
||||
typedef struct _INBV_PROGRESS_STATE
|
||||
{
|
||||
ULONG Floor;
|
||||
ULONG Ceiling;
|
||||
|
|
|
|||
Loading…
Reference in a new issue