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[NTOSKRNL][HAL][BOOTVID] Some more code refactoring

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- Add boot video color constants
- Refactor palette initialization
- Move some common stuff in right place
- Get rid of some magic constants and hardcoded values
- Get rid of TopDelta variable (calculated at compile time)
- Update SAL annotations

Addendum to 5f2ca473. CORE-16216 CORE-16219
This commit is contained in:
Stanislav Motylkov 2020-05-09 17:20:57 +03:00
parent 909f50a857
commit cd91271796
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GPG key ID: AFE513258CBA9E92
15 changed files with 367 additions and 426 deletions
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49
drivers/base/bootvid/precomp.h
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@ -41,35 +41,7 @@ typedef struct tagBITMAPINFOHEADER
#define BI_RGB 0
#define BI_RLE4 2
typedef struct _PALETTE_ENTRY
{
UCHAR Red;
UCHAR Green;
UCHAR Blue;
} PALETTE_ENTRY, *PPALETTE_ENTRY;
VOID
NTAPI
InitializePalette(VOID);
VOID
NTAPI
DisplayCharacter(
_In_ CHAR Character,
_In_ ULONG Left,
_In_ ULONG Top,
_In_ ULONG TextColor,
_In_ ULONG BackColor
);
VOID
PrepareForSetPixel(VOID);
VOID
NTAPI
InitPaletteWithTable(
_In_ PULONG Table,
_In_ ULONG Count);
typedef ULONG RGBQUAD;
/*
* Globals
@ -78,6 +50,23 @@ extern UCHAR VidpTextColor;
extern ULONG VidpCurrentX;
extern ULONG VidpCurrentY;
extern ULONG VidpScrollRegion[4];
extern UCHAR FontData[256 * BOOTCHAR_HEIGHT];
extern UCHAR VidpFontData[256 * BOOTCHAR_HEIGHT];
extern const RGBQUAD VidpDefaultPalette[BV_MAX_COLORS];
#define RGB(r, g, b) ((RGBQUAD)(((UCHAR)(b) | ((USHORT)((UCHAR)(g))<<8)) | (((ULONG)(UCHAR)(r))<<16)))
#define GetRValue(quad) ((UCHAR)(((quad)>>16) & 0xFF))
#define GetGValue(quad) ((UCHAR)(((quad)>>8) & 0xFF))
#define GetBValue(quad) ((UCHAR)((quad) & 0xFF))
#define InitializePalette() InitPaletteWithTable((PULONG)VidpDefaultPalette, BV_MAX_COLORS)
#ifdef CHAR_GEN_UPSIDE_DOWN
# define GetFontPtr(_Char) &VidpFontData[_Char * BOOTCHAR_HEIGHT] + BOOTCHAR_HEIGHT - 1;
# define FONT_PTR_DELTA (-1)
#else
# define GetFontPtr(_Char) &VidpFontData[_Char * BOOTCHAR_HEIGHT];
# define FONT_PTR_DELTA (1)
#endif
#endif /* _BOOTVID_PCH_ */