135 lines
4.9 KiB
C
135 lines
4.9 KiB
C
/******************************************************************************\
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*
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* Copyright (c) 1996-1997 Microsoft Corporation.
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* Copyright (c) 1996-1997 Cirrus Logic, Inc.
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*
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* Module Name:
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*
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* O V E R L A Y . H
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*
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* This module contains common function prototypes and defines needed for
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* overlay support
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*
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* Revision History:
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*
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* tao1 10-22-96 Added direct draw support for CL-GD7555
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* myf1 03-12-97 Change new bandwidth check for CL-GD755X
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* myf2 03-31-97 Added direct draw support VPE
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* chu01 03-26-97 Bandwidth equation for the CL-GD5480
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* chu02 04-02-97 More overlay capabilities
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*
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\******************************************************************************/
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/* FOURCC definitions ------------------------------------*/
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#define FOURCC_YUY2 '2YUY' // YUY2
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#define FOURCC_YUV422 'YVYU' // UYVY
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#define FOURCC_PACKJR 'RJLC' // CLJR
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#define FOURCC_YUVPLANAR 'LPLC' // CLPL
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#define FOURCC_YUV420 'LPLC' // CLPL
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/* surface flags -----------------------------------------*/
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#define OVERLAY_FLG_BEGIN_ACCESS (DWORD)0x00000001
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#define OVERLAY_FLG_ENABLED (DWORD)0x00000002
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#define OVERLAY_FLG_CONVERT_PACKJR (DWORD)0x00000004
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#define OVERLAY_FLG_MUST_RASTER (DWORD)0x00000008
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#define OVERLAY_FLG_TWO_MEG (DWORD)0x00000010
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#define OVERLAY_FLG_CHECK (DWORD)0x00000020
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#define OVERLAY_FLG_COLOR_KEY (DWORD)0x00000040
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#define OVERLAY_FLG_INTERPOLATE (DWORD)0x00000080
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#define OVERLAY_FLG_OVERLAY (DWORD)0x00000100
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#define OVERLAY_FLG_YUV422 (DWORD)0x00000200
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#define OVERLAY_FLG_PACKJR (DWORD)0x00000400
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#define OVERLAY_FLG_USE_OFFSET (DWORD)0x00000800
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#define OVERLAY_FLG_YUVPLANAR (DWORD)0x00001000
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#define OVERLAY_FLG_SRC_COLOR_KEY (DWORD)0x00002000
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#define OVERLAY_FLG_DECIMATE (DWORD)0x00004000
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#define OVERLAY_FLG_CAPTURE (DWORD)0x00008000 //myf2, VPE
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// chu02
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#define OVERLAY_FLG_DECIMATE4 (DWORD)0x00008000
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#define OVERLAY_FLG_YUY2 (DWORD)0x00010000
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#define OVERLAY_FLG_VW_PRIMARY (DWORD)0x00020000
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#define OVERLAY_FLG_VW_SECONDARY (DWORD)0x00040000
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#define OVERLAY_FLG_TWO_VIDEO (DWORD)0x00200000
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/* display types (for portables) -------------------------*/
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#define DTYPE_UNKNOWN (int)-1
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#define DTYPE_640_COLOR_SINGLE_STN 0
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#define DTYPE_640_MONO_DUAL_STN 1
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#define DTYPE_640_COLOR_DUAL_STN 2
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#define DTYPE_640_COLOR_SINGLE_TFT 3
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#define DTYPE_640_COLOR_DUAL_STN_SHARP 4
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#define DTYPE_800_COLOR_DUAL_STN 6
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#define DTYPE_800_COLOR_SINGLE_TFT 7
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#define DTYPE_CRT 32767
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//myf32 #define MIN_OLAY_WIDTH 4 //minium overlay window width
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#define OVERLAY_OLAY_SHOW 0x100 //overlay is hidden iff bit not set
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#define OVERLAY_OLAY_REENABLE 0x200 //overlay was fully clipped, need reenabling
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VOID GetFormatInfo(PDEV* ppdev, LPDDPIXELFORMAT lpFormat, LPDWORD lpFourcc,
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LPWORD lpBitCount);
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VOID RegInitVideo(PDEV* ppdev, PDD_SURFACE_LOCAL lpSurface);
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VOID DisableOverlay_544x(PDEV* ppdev);
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VOID EnableOverlay_544x(PDEV* ppdev);
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VOID RegMoveVideo(PDEV* ppdev, PDD_SURFACE_LOCAL lpSurface);
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VOID CalculateStretchCode (LONG srcLength, LONG dstLength, LPBYTE code);
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BYTE GetThresholdValue(VOID);
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BOOL MustLineReplicate (PDEV* ppdev, PDD_SURFACE_LOCAL lpSurface, WORD wVideoDepth);
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BOOL IsSufficientBandwidth(PDEV* ppdev, WORD wVideoDepth, LPRECTL lpSrc, LPRECTL lpDest, DWORD dwFlags);
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LONG GetVCLK(PDEV* ppdev);
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VOID EnableStartAddrDoubleBuffer(PDEV* ppdev);
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DWORD GetCurrentVLine(PDEV* ppdev);
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VOID ClearAltFIFOThreshold_544x(PDEV * ppdev);
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// chu01
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BOOL Is5480SufficientBandwidth(PDEV* ppdev, WORD wVideoDepth, LPRECTL lpSrc, LPRECTL lpDest, DWORD dwFlags);
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// curs //tao1
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typedef struct _BWREGS
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{
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BYTE bSR2F;
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BYTE bSR32;
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BYTE bSR34;
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BYTE bCR42;
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BYTE bCR51;
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BYTE bCR5A;
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BYTE bCR5D;
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BYTE bCR5F;
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}BWREGS, FAR *LPBWREGS;
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BWREGS Regs; //myf33
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//myf33 for panning scrolling enable & DirectDraw overlay use
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DWORD srcLeft_clip;
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DWORD srcTop_clip;
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BOOL bLeft_clip;
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BOOL bTop_clip;
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//myf33 end
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VOID RegInit7555Video (PDEV *,PDD_SURFACE_LOCAL);
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VOID RegMove7555Video (PDEV *,PDD_SURFACE_LOCAL);
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VOID DisableVideoWindow (PDEV * );
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VOID EnableVideoWindow (PDEV * );
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VOID ClearAltFIFOThreshold (PDEV * );
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BOOL Is7555SufficientBandwidth(PDEV* ppdev, WORD wVideoDepth, LPRECTL lpSrc, LPRECTL lpDest, DWORD dwFlags);
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DWORD Get7555MCLK (PDEV *);
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BOOL IsDSTN(PDEV * );
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BOOL IsXGA (PDEV * );
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VOID PanOverlay1_Init(PDEV *,PDD_SURFACE_LOCAL, LPRECTL, LPRECTL, LPRECTL,
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DWORD, WORD); //myf33, DD init overlay data
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VOID PanOverlay7555 (PDEV *,LONG ,LONG); //myf33
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BOOL PanOverlay1_7555(PDEV *,LPRECTL); //myf33, PanOverlay7555 call
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// end curs //tao1
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