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172 lines
7.3 KiB
C
172 lines
7.3 KiB
C
/*
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gradd.h structures and constants -- only the ones used by SDL_os2vman.c.
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Based on public knowledge from around the internet including pages from
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http://www.osfree.org and http://www.edm2.com
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*/
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#ifndef my_gradd_h_
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#define my_gradd_h_
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typedef struct _INITPROCOUT {
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ULONG ulLength; /* Length of the INITPROCOUT data structure, in bytes. */
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ULONG ulVRAMVirt; /* 32-bit virtual address of VRAM. */
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} INITPROCOUT;
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typedef INITPROCOUT *PINITPROCOUT;
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#define RC_SUCCESS 0
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typedef ULONG GID;
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typedef ULONG (_System FNVMIENTRY) (
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GID gid, ULONG ulFunction,
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PVOID pIn,
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PVOID pOut /* PINITPROCOUT */
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);
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#define VMI_CMD_INITPROC 1
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#define VMI_CMD_TERMPROC 3
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#define VMI_CMD_QUERYMODES 5
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#define VMI_CMD_SETMODE 6
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#define VMI_CMD_PALETTE 7
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#define VMI_CMD_BITBLT 8
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#define VMI_CMD_LINE 9
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#define VMI_CMD_REQUESTHW 14
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#define VMI_CMD_QUERYCURRENTMODE 0x1001
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#define QUERYMODE_NUM_MODES 0x01
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#define QUERYMODE_MODE_DATA 0x02
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typedef struct _HWPALETTEINFO {
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ULONG ulLength; /* Size of the HWPALETTEINFO data structure, in bytes. */
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ULONG fFlags; /* Palette flag. */
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ULONG ulStartIndex; /* Starting palette index. */
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ULONG ulNumEntries; /* Number of palette slots to query or set. */
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PRGB2 pRGBs; /* Pointer to the array of RGB values. */
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} HWPALETTEINFO;
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typedef HWPALETTEINFO *PHWPALETTEINFO;
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#define PALETTE_GET 0x01
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#define PALETTE_SET 0x02
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typedef struct _BMAPINFO {
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ULONG ulLength; /* Length of the BMAPINFO data structure, in bytes. */
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ULONG ulType; /* Description of the Blt. */
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ULONG ulWidth; /* Width in pels of the bit map. */
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ULONG ulHeight; /* Height in pels of the bit map. */
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ULONG ulBpp; /* Number of bits per pel/color depth. */
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ULONG ulBytesPerLine; /* Number of aligned bytes per line. */
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PBYTE pBits; /* Pointer to bit-map bits. */
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} BMAPINFO;
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typedef BMAPINFO *PBMAPINFO;
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#define BMAP_VRAM 0
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#define BMAP_MEMORY 1
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typedef struct _LINEPACK {
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ULONG ulStyleStep; /* Value to be added to ulStyleValue. */
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ULONG ulStyleValue; /* Style value at the current pel. */
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ULONG ulFlags; /* Flags used for the LINEPACK data structure. */
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struct _LINEPACK *plpkNext; /* Pointer to next LINEPACK data structure. */
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ULONG ulAbsDeltaX; /* Clipped Bresenham Delta X, absolute. */
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ULONG ulAbsDeltaY; /* Clipped Bresenham Delta Y, absolute. */
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POINTL ptlClipStart; /* Pointer to location for device to perform Bresenham algorithm. */
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POINTL ptlClipEnd; /* Ending location for Bresenham algorithm (see ptlClipStart). */
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POINTL ptlStart; /* Pointer to starting location for line. */
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POINTL ptlEnd; /* Ending location for line. */
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LONG lClipStartError;/* Standard Bresenham error at the clipped start point. */
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} LINEPACK;
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typedef LINEPACK *PLINEPACK;
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typedef struct _LINEINFO {
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ULONG ulLength; /* Length of LINEINFO data structure. */
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ULONG ulType; /* Defines line type. */
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ULONG ulStyleMask; /* A 32-bit style mask. */
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ULONG cLines; /* Count of lines to be drawn. */
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ULONG ulFGColor; /* Line Foreground color. */
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ULONG ulBGColor; /* Line Background color. */
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USHORT usForeROP; /* Line Foreground mix. */
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USHORT usBackROP; /* Line Background mix. */
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PBMAPINFO pDstBmapInfo; /* Pointer to destination surface bit map. */
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PLINEPACK alpkLinePack; /* Pointer to LINEPACK data structure. */
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PRECTL prclBounds; /* Pointer to bounding rect of a clipped line. */
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} LINEINFO;
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typedef LINEINFO *PLINEINFO;
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#define LINE_DO_FIRST_PEL 0x02
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#define LINE_DIR_Y_POSITIVE 0x04
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#define LINE_HORIZONTAL 0x08
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#define LINE_DIR_X_POSITIVE 0x20
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#define LINE_VERTICAL 0x1000
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#define LINE_DO_LAST_PEL 0x4000
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#define LINE_SOLID 0x01
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typedef struct _BLTRECT {
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ULONG ulXOrg; /* X origin of the destination Blt. */
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ULONG ulYOrg; /* Y origin of the destination Blt. */
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ULONG ulXExt; /* X extent of the BitBlt. */
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ULONG ulYExt; /* Y extent of the BitBlt. */
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} BLTRECT;
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typedef BLTRECT *PBLTRECT;
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typedef struct _BITBLTINFO {
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ULONG ulLength; /* Length of the BITBLTINFO data structure, in bytes. */
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ULONG ulBltFlags; /* Flags for rendering of rasterized data. */
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ULONG cBlits; /* Count of Blts to be performed. */
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ULONG ulROP; /* Raster operation. */
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ULONG ulMonoBackROP; /* Background mix if B_APPLY_BACK_ROP is set. */
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ULONG ulSrcFGColor; /* Monochrome source Foreground color. */
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ULONG ulSrcBGColor; /* Monochrome source Background color and transparent color. */
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ULONG ulPatFGColor; /* Monochrome pattern Foreground color. */
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ULONG ulPatBGColor; /* Monochrome pattern Background color. */
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PBYTE abColors; /* Pointer to color translation table. */
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PBMAPINFO pSrcBmapInfo; /* Pointer to source bit map (BMAPINFO) */
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PBMAPINFO pDstBmapInfo; /* Pointer to destination bit map (BMAPINFO). */
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PBMAPINFO pPatBmapInfo; /* Pointer to pattern bit map (BMAPINFO). */
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PPOINTL aptlSrcOrg; /* Pointer to array of source origin POINTLs. */
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PPOINTL aptlPatOrg; /* Pointer to array of pattern origin POINTLs. */
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PBLTRECT abrDst; /* Pointer to array of Blt rects. */
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PRECTL prclSrcBounds; /* Pointer to source bounding rect of source Blts. */
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PRECTL prclDstBounds; /* Pointer to destination bounding rect of destination Blts. */
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} BITBLTINFO;
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typedef BITBLTINFO *PBITBLTINFO;
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#define BF_DEFAULT_STATE 0x0
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#define BF_ROP_INCL_SRC (0x01 << 2)
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#define BF_PAT_HOLLOW (0x01 << 8)
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typedef struct _GDDMODEINFO {
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ULONG ulLength; /* Size of the GDDMODEINFO data structure, in bytes. */
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ULONG ulModeId; /* ID used to make SETMODE request. */
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ULONG ulBpp; /* Number of colors (bpp). */
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ULONG ulHorizResolution;/* Number of horizontal pels. */
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ULONG ulVertResolution; /* Number of vertical scan lines. */
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ULONG ulRefreshRate; /* Refresh rate in Hz. */
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PBYTE pbVRAMPhys; /* Physical address of VRAM. */
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ULONG ulApertureSize; /* Size of VRAM, in bytes. */
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ULONG ulScanLineSize; /* Size of one scan line, in bytes. */
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ULONG fccColorEncoding, ulTotalVRAMSize, cColors;
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} GDDMODEINFO;
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typedef GDDMODEINFO *PGDDMODEINFO;
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typedef struct _HWREQIN {
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ULONG ulLength; /* Size of the HWREQIN data structure, in bytes. */
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ULONG ulFlags; /* Request option flags. */
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ULONG cScrChangeRects; /* Count of screen rectangles affected by HWREQIN. */
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PRECTL arectlScreen; /* Array of screen rectangles affected by HWREQIN. */
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} HWREQIN;
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typedef HWREQIN *PHWREQIN;
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#define REQUEST_HW 0x01
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/*
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BOOL GreDeath(HDC hdc, PVOID pInstance, LONG lFunction);
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LONG GreResurrection(HDC hdc, LONG cbVmem, PULONG pReserved, PVOID pInstance, LONG lFunction);
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*/
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#define GreDeath(h) (BOOL)Gre32Entry3((ULONG)(h), 0, 0x40B7L)
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#define GreResurrection(h,n,r) (LONG)Gre32Entry5((ULONG)(h), (ULONG)(n), (ULONG)(r), 0, 0x40B8L)
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ULONG _System Gre32Entry3(ULONG, ULONG, ULONG);
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ULONG _System Gre32Entry5(ULONG, ULONG, ULONG, ULONG, ULONG);
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#endif /* my_gradd_h_ */
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