kc3-lang/SDL/src/video/os2/my_gradd.h

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• Hash : 5807cb3d
  Author :
  Date : 2020-10-14T23:01:06
  

  os2: remove dependency to gradd.h from IBM's ddk which is non-free: Add a minimal my_gradd.h containing structures and constants only used by SDL_os2vman.c -- based on public knowledge from around the internet including pages from http://www.osfree.org and http://www.edm2.com .

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• src/video/os2/my_gradd.h

• /*
  gradd.h structures and constants -- only the ones used by SDL_os2vman.c.
  
  Based on public knowledge from around the internet including pages from
  http://www.osfree.org and http://www.edm2.com
  */
  
  #ifndef my_gradd_h_
  #define my_gradd_h_
  
  typedef struct _INITPROCOUT {
    ULONG     ulLength;         /*  Length of the INITPROCOUT data structure, in bytes. */
    ULONG     ulVRAMVirt;       /*  32-bit virtual address of VRAM. */
  } INITPROCOUT;
  typedef INITPROCOUT *PINITPROCOUT;
  
  #define RC_SUCCESS 0
  
  typedef ULONG GID;
  typedef ULONG (_System FNVMIENTRY) (
    GID       gid, ULONG ulFunction,
    PVOID     pIn,
    PVOID     pOut /* PINITPROCOUT */
  );
  
  #define VMI_CMD_INITPROC 1
  #define VMI_CMD_TERMPROC 3
  #define VMI_CMD_BITBLT 8
  #define VMI_CMD_REQUESTHW 14
  #define VMI_CMD_QUERYCURRENTMODE 0x1001
  
  typedef struct _BMAPINFO {
    ULONG     ulLength;         /* Length of the BMAPINFO data structure, in bytes. */
    ULONG     ulType;           /* Description of the Blt. */
    ULONG     ulWidth;          /* Width in pels of the bit map. */
    ULONG     ulHeight;         /* Height in pels of the bit map. */
    ULONG     ulBpp;            /* Number of bits per pel/color depth. */
    ULONG     ulBytesPerLine;   /* Number of aligned bytes per line. */
    PBYTE     pBits;            /* Pointer to bit-map bits. */
  } BMAPINFO;
  typedef BMAPINFO *PBMAPINFO;
  
  #define BMAP_VRAM 0
  #define BMAP_MEMORY 1
  
  typedef struct _BLTRECT {
    ULONG     ulXOrg;           /* X origin of the destination Blt. */
    ULONG     ulYOrg;           /* Y origin of the destination Blt. */
    ULONG     ulXExt;           /* X extent of the BitBlt. */
    ULONG     ulYExt;           /* Y extent of the BitBlt. */
  } BLTRECT;
  typedef BLTRECT *PBLTRECT;
  
  typedef struct _BITBLTINFO {
    ULONG     ulLength;         /* Length of the BITBLTINFO data structure, in bytes. */
    ULONG     ulBltFlags;       /* Flags for rendering of rasterized data. */
    ULONG     cBlits;           /* Count of Blts to be performed. */
    ULONG     ulROP;            /* Raster operation. */
    ULONG     ulMonoBackROP;    /* Background mix if B_APPLY_BACK_ROP is set. */
    ULONG     ulSrcFGColor;     /* Monochrome source Foreground color. */
    ULONG     ulSrcBGColor;     /* Monochrome source Background color and transparent color. */
    ULONG     ulPatFGColor;     /* Monochrome pattern Foreground color. */
    ULONG     ulPatBGColor;     /* Monochrome pattern Background color. */
    PBYTE     abColors;         /* Pointer to color translation table. */
    PBMAPINFO pSrcBmapInfo;     /* Pointer to source bit map (BMAPINFO) */
    PBMAPINFO pDstBmapInfo;     /* Pointer to destination bit map (BMAPINFO). */
    PBMAPINFO pPatBmapInfo;     /* Pointer to pattern bit map (BMAPINFO). */
    PPOINTL   aptlSrcOrg;       /* Pointer to array of source origin POINTLs. */
    PPOINTL   aptlPatOrg;       /* Pointer to array of pattern origin POINTLs. */
    PBLTRECT  abrDst;           /* Pointer to array of Blt rects. */
    PRECTL    prclSrcBounds;    /* Pointer to source bounding rect of source Blts. */
    PRECTL    prclDstBounds;    /* Pointer to destination bounding rect of destination Blts. */
  } BITBLTINFO;
  typedef BITBLTINFO *PBITBLTINFO;
  
  #define BF_DEFAULT_STATE 0x0
  #define BF_ROP_INCL_SRC (0x01 << 2)
  #define BF_PAT_HOLLOW   (0x01 << 8)
  
  typedef struct _GDDMODEINFO {
    ULONG     ulLength;         /* Size of the GDDMODEINFO data structure, in bytes. */
    ULONG     ulModeId;         /* ID used to make SETMODE request. */
    ULONG     ulBpp;            /* Number of colors (bpp). */
    ULONG     ulHorizResolution;/* Number of horizontal pels. */
    ULONG     ulVertResolution; /* Number of vertical scan lines. */
    ULONG     ulRefreshRate;    /* Refresh rate in Hz. */
    PBYTE     pbVRAMPhys;       /* Physical address of VRAM. */
    ULONG     ulApertureSize;   /* Size of VRAM, in bytes. */
    ULONG     ulScanLineSize;   /* Size of one scan line, in bytes. */
  
    ULONG     fccColorEncoding, ulTotalVRAMSize, cColors;
  } GDDMODEINFO;
  typedef GDDMODEINFO *PGDDMODEINFO;
  
  typedef struct _HWREQIN {
    ULONG     ulLength;         /* Size of the HWREQIN data structure, in bytes. */
    ULONG     ulFlags;          /* Request option flags. */
    ULONG     cScrChangeRects;  /* Count of screen rectangles affected by HWREQIN. */
    PRECTL    arectlScreen;     /* Array of screen rectangles affected by HWREQIN. */
  } HWREQIN;
  typedef HWREQIN *PHWREQIN;
  
  #define REQUEST_HW 0x01
  
  #endif /* my_gradd_h_ */
  

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