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C/C++ Source or Header | 1997-11-30 | 16.4 KB | 403 lines

#ifndef GRAPHICS_BLITTER_H #define GRAPHICS_BLITTER_H TRUE /* ** $VER: blitter.h V0.9B ** ** Blitter Definitions ** ** (C) Copyright 1996-1997 DreamWorld Productions. ** All Rights Reserved */ #ifndef DPKERNEL_H #include <dpkernel/dpkernel.h> #endif /*************************************************************************** ** Bitmap Object. */ #define BMPVERSION 1 #define TAGS_BITMAP ((ID_SPCTAGS<<16)|ID_BITMAP) struct Bitmap { struct Head Head; /* [00] Standard structure header */ APTR Data; /* [12] Pointer to bitmap data area */ WORD Width; /* [16] Width */ WORD ByteWidth; /* [18] ByteWidth */ WORD Height; /* [20] Height */ WORD Type; /* [22] Screen type */ LONG LineMod; /* [24] Line differential */ LONG PlaneMod; /* [28] Plane differential */ struct Head *Parent; /* [32] Bitmap owner */ APTR Restore; /* [36] Restore list for this bitmap, if any */ LONG Size; /* [40] Total size of the bitmap in bytes */ LONG MemType; /* [44] Memory type to use in allocation */ WORD Planes; /* [48] Amount of planes */ WORD resEmpty; /* [50] Reserved */ LONG AmtColours; /* [52] Maximum amount of colours available */ /*** Private fields below ***/ WORD prvAFlags; /* Allocation flags */ }; #define BMA_Data (TAPTR|12) #define BMA_Width (TWORD|16) #define BMA_ByteWidth (TWORD|18) #define BMA_Height (TWORD|20) #define BMA_Type (TWORD|22) #define BMA_LineMod (TLONG|24) #define BMA_PlaneMod (TLONG|28) #define BMA_Parent (TAPTR|32) #define BMA_Restore (TAPTR|36) #define BMA_Size (TLONG|40) #define BMA_MemType (TLONG|44) #define BMA_Planes (TWORD|48) #define BMA_AmtColours (TLONG|52) /*************************************************************************** ** Restore Object. */ #define RSTVERSION 1 #define TAGS_RESTORE ((ID_SPCTAGS<<16)|ID_RESTORE) struct Restore { struct Head Head; /* Standard header */ WORD Buffers; /* Amount of screen buffers */ WORD Entries; /* Amount of entries */ struct Head *Owner; /* Owner of the restorelist, ie bitmap */ /*** Private fields below ***/ struct RstEntry *List1; struct RstEntry *List2; struct RstEntry *List3; struct RstEntry *ListPos1; struct RstEntry *ListPos2; struct RstEntry *ListPos3; }; /* This structure is completely private */ struct RstEntry { struct RstEntry *Next; /* Next restore entry in the chain */ struct RstEntry *Prev; /* Previous restore enty in the chain */ APTR Bob; /* Bob structure belonging to the restore [*] */ APTR Address; /* Screen pointer (top of screen) [*] */ APTR Storage; /* Background storage or NULL */ APTR Control; /* Controls from the lookup table */ APTR ConMask; /* The control mask to use */ WORD Modulo1; /* Modulo C */ LONG Modulo2; /* Modulos A/D */ WORD BlitWidth; /* [*] */ WORD BlitHeight; /* [*] */ }; #define RSA_Buffers (12|TWORD) #define RSA_Entries (14|TWORD) #define RSA_Owner (16|TAPTR) /*************************************************************************** ** Bob Object. */ #define BOBVERSION 1 #define TAGS_BOB ((ID_SPCTAGS<<16)|ID_BOB) struct FrameList { WORD XCoord; WORD YCoord; }; struct Bob { struct Head Head; /* [00] Standard structure header */ BYTE *GfxData; /* [12] Pointer to graphics source */ BYTE *MaskData; /* [16] Pointer to mask source */ struct FrameList *GfxCoords; /* [20] Pointer to graphic frame coordinates */ WORD Frame; /* [24] Current frame */ WORD SrcWidth; /* [26] Source Page Width in bytes */ WORD Width; /* [28] Width in pixels */ WORD ByteWidth; /* [30] Width in bytes */ WORD XCoord; /* [32] To X pixel */ WORD YCoord; /* [34] To Y pixel */ WORD Height; /* [36] Height in pixels */ WORD ClipLX; /* [38] Left X border */ WORD ClipTY; /* [40] Top Y border */ WORD ClipRX; /* [42] Right X border */ WORD ClipBY; /* [44] Bottom Y border */ WORD FPlane; /* [46] 1st Plane to blit to (planar only) */ WORD Planes; /* [48] Amount of planes */ WORD PropHeight; /* [50] Expected height of source picture */ WORD PropWidth; /* [52] Expected width of source picture */ WORD Buffers; /* [54] Relevant only to restore mode */ LONG PlaneSize; /* [56] Size of source plane (planar only) */ LONG Attrib; /* [60] Attributes like CLIP and MASK */ struct Bitmap *SrcBitmap; /* [64] Source Bitmap */ WORD Empty; /* [68] Reserved, in use by MBob */ WORD SrcMaskWidth; /* [70] Mask page width in bytes */ APTR Source; /* [72] Pointer to source object */ APTR *DirectGfx; /* [76] Pointer to direct frame list */ struct GScreen *Screen; /* [80] Destination Screen */ struct Bitmap *DestBitmap; /* [84] Destination Bitmap */ struct FrameList *MaskCoords; /* [88] Pointer to mask frame coordinates */ APTR *DirectMasks; /* [92] */ WORD AmtFrames; /* [96] Amount of frames in frame/direct list */ /*** Private fields start now ***/ WORD prvStoreSize; /* 4/8/12 Sizeof one store entry (MBob's) */ APTR prvStoreBuffer; /* A/B/C [0/4/8] storage pointer (MBob's) */ WORD prvStoreMax; /* Maximum store position */ APTR prvStoreMemory; /* Master storage pointer (for the freemem) */ WORD prvStoreCount; /* Counter for store, 0, 4, 8 */ BYTE *prvStoreA; /* Storage buffer 1 */ BYTE *prvStoreB; /* Storage buffer 2 */ BYTE *prvStoreC; /* Storage buffer 3 */ APTR prvDrawRoutine; /* Routine for drawing/clearing/storing */ APTR prvClearRoutine; /* Routine for clearing */ APTR prvRestoreRoutine; /* Routine for restoring/clearing */ APTR prvHeightRoutine; /* Replaces BS_DrawRoutine for large heights */ LONG prvScreenSize; /* Size of destination plane */ WORD prvModulo; /* Bob Modulo (PicWidth-BobWidth) */ WORD prvMaskModulo; /* Mask Modulo (BobWidth-BobWidth for GENMASK) */ APTR prvMaskMemory; /* Master mask pointer (for the freemem) */ WORD prvMaxHeight; /* Maximum possible height, limited by blitter */ WORD prvScrLine; /* Size of a line (for interleaved) */ WORD prvBobLine; /* Size of a Bob line (Width*Planes) */ WORD prvMaskLine; /* Size of a Mask Line (Width*Planes) */ WORD prvTrueWidth; /* The true pixel width (++shift) */ WORD prvTrueBWidth; /* The true byte width (++shift) */ WORD prvTrueWWidth; /* The true word width (++shift) */ WORD prvClipBLX; /* ClipLX, byte */ WORD prvClipBRX; /* ClipRX, byte */ WORD prvModuloC; /* Modulus (C) */ WORD prvModuloB; /* Modulus (B) */ WORD prvModuloA; /* Modulus (A) */ WORD prvModuloD; /* Modulus (D) */ WORD prvNSModuloC; /* NSModulus (C) */ WORD prvNSModuloB; /* NSModulus (B) */ WORD prvNSModuloA; /* NSModulus (A) */ WORD prvNSModuloD; /* NSModulus (D) */ WORD prvWordWidth; /* The word width */ BYTE prvAFlags; /* Allocation flags */ BYTE prvPad; }; #define BBA_GfxData (12|TAPTR) #define BBA_MaskData (16|TAPTR) #define BBA_GfxCoords (20|TAPTR) #define BBA_Frame (24|TWORD) #define BBA_SrcWidth (26|TWORD) #define BBA_Width (28|TWORD) #define BBA_ByteWidth (30|TWORD) #define BBA_XCoord (32|TWORD) #define BBA_YCoord (34|TWORD) #define BBA_Height (36|TWORD) #define BBA_ClipLX (38|TWORD) #define BBA_ClipTY (40|TWORD) #define BBA_ClipRX (42|TWORD) #define BBA_ClipBY (44|TWORD) #define BBA_FPlane (46|TWORD) #define BBA_Planes (48|TWORD) #define BBA_PropHeight (50|TWORD) #define BBA_PropWidth (52|TWORD) #define BBA_Buffers (54|TWORD) #define BBA_PlaneSize (56|TLONG) #define BBA_Attrib (60|TLONG) #define BBA_Empty (64|TWORD) #define BBA_SrcMaskWidth (70|TWORD) #define BBA_Source (72|TAPTR) #define BBA_DirectGfx (76|TAPTR) #define BBA_Screen (80|TAPTR) #define BBA_DestBitmap (84|TAPTR) #define BBA_MaskCoords (88|TAPTR) #define BBA_DirectMasks (92|TAPTR) #define BBA_AmtFrames (96|TWORD) #define BBA_SourceTags (TSTEPIN|TTRIGGER|72) /***********************************************************************************/ #define MBOBVERSION 1 #define TAGS_MBOB ((ID_SPCTAGS<<16)|ID_MBOB) struct MBob { struct Head Head; /* [00] Standard structure header */ APTR GfxData; /* [12] Pointer to graphics source */ APTR MaskData; /* [] Pointer to mask source */ struct FrameList *FrameList; /* [] Pointer to frame list */ WORD AmtEntries; /* [] Amount of entries in the list */ WORD SrcWidth; /* [] Source Page Width in bytes */ WORD Width; /* [] Width in pixels (optional) */ WORD ByteWidth; /* [] Width in bytes */ APTR EntryList; /* [] :MB: Pointer to entry list */ WORD Height; /* [] Height in pixels */ WORD ClipLX; /* [] Left X border */ WORD ClipTY; /* [] Top Y border */ WORD ClipRX; /* [] Right X border */ WORD ClipBY; /* [] Bottom Y border */ WORD FPlane; /* [] 1st Plane to blit to (planar only) */ WORD Planes; /* [] Amount of planes */ WORD PropHeight; /* [] Expected height of source picture */ WORD PropWidth; /* [] Expected width of source picture */ WORD Buffers; /* [] Relevent only to restore mode */ LONG PlaneSize; /* [] Size of source plane (planar only) */ LONG Attrib; /* [] Attributes like CLIP and MASK */ struct Bitmap *SrcBitmap; /* [] Source Bitmap */ WORD EntrySize; /* [] Entry size (sizeof(struct MBEntry)) */ WORD SrcMaskWidth; /* [] Mask page width in bytes */ APTR Source; /* [] Pointer to source object */ LONG *DirectGfx; /* [] Pointer to direct frame list */ struct GScreen *Screen; /* [] The MBob's destination Screen */ struct Bitmap *DestBitmap; /* [] The MBob's destination Bitmap */ struct FrameList *MaskCoords; /* [] */ LONG *DirectMasks; /* [] */ WORD AmtFrames; /* [] Amount of frames in frame/direct list */ /*** Private fields start now ***/ WORD prvStoreSize; /* 4/8/12 Sizeof one store entry (MBob's) */ APTR prvStoreBuffer; /* A/B/C [0/4/8] storage pointer (MBob's) */ WORD prvStoreMax; /* Maximum store position */ APTR prvStoreMemory; /* Master storage pointer (for the freemem) */ WORD prvStoreCount; /* Counter for store, 0, 4, 8 */ APTR prvStoreA; /* Storage buffer 1 */ APTR prvStoreB; /* Storage buffer 2 */ APTR prvStoreC; /* Storage buffer 3 */ APTR prvDrawRoutine; /* Routine for drawing/clearing/storing */ APTR prvClearRoutine; /* Routine for clearing */ APTR prvRestoreRoutine; /* Routine for restoring/clearing */ APTR prvHeightRoutine; /* Replaces BS_DrawRoutine for large heights */ LONG prvScreenSize; /* Size of destination plane */ WORD prvModulo; /* Bob Modulo (PicWidth-BobWidth) */ WORD prvMaskModulo; /* Mask Modulo (BobWidth-BobWidth for GENMASK) */ APTR prvMaskMemory; /* Master mask pointer (for the freemem) */ WORD prvMaxHeight; /* Maximum possible height, limited by blitter */ WORD prvScrLine; /* Size of a line (for interleaved) */ WORD prvBOBLine; /* Size of a Bob line (Width*Planes) */ WORD prvMaskLine; /* Size of a Mask Line (Width*Planes) */ WORD prvTrueWidth; /* The true pixel width (++shift) */ WORD prvTrueBWidth; /* The true byte width (++shift) */ WORD prvTrueWWidth; /* The true word width (++shift) */ WORD prvClipBLX; /* ClipLX, byte */ WORD prvClipBRX; /* ClipRX, byte */ LONG prvModulo1; /* Modulus (C/B) */ LONG prvModulo2; /* Modulus (A/D) */ LONG prvNSModulo1; /* Modulus (C/B) */ LONG prvNSModulo2; /* Modulus (A/D) */ WORD prvWordWidth; /* The word width */ BYTE prvAFlags; /* Allocation flags */ BYTE prvPad; }; #define MBA_GfxData (12|TAPTR) #define MBA_MaskData (16|TAPTR) #define MBA_FrameList (22|TAPTR) #define MBA_AmtEntries (20|TWORD) #define MBA_SrcWidth (26|TWORD) #define MBA_Width (28|TWORD) #define MBA_ByteWidth (30|TWORD) #define MBA_EntryList (32|TWORD) #define MBA_Height (36|TWORD) #define MBA_ClipLX (38|TWORD) #define MBA_ClipTY (40|TWORD) #define MBA_ClipRX (42|TWORD) #define MBA_ClipBY (44|TWORD) #define MBA_FPlane (46|TWORD) #define MBA_Planes (48|TWORD) #define MBA_PropHeight (50|TWORD) #define MBA_PropWidth (52|TWORD) #define MBA_Buffers (54|TWORD) #define MBA_PlaneSize (56|TLONG) #define MBA_Attrib (60|TLONG) /* MBA_SrcBitmap (64|TAPTR)*/ #define MBA_EntrySize (68|TWORD) #define MBA_SrcMaskWidth (70|TWORD) #define MBA_Source (72|TAPTR) #define MBA_DirectList (76|TAPTR) #define MBA_Screen (80|TAPTR) #define MBA_DestBitmap (84|TAPTR) #define MBA_MaskCoords (88|TAPTR) #define MBA_DirectMasks (92|TAPTR) #define MBA_AmtFrames (96|TWORD) struct MBEntry { /* MBob Entry Structure */ WORD XCoord; WORD YCoord; WORD Frame; }; #define MBE_SIZEOF (sizeof(struct BobEntry)) /* Bob Attributes (Bob.Attrib) */ #define BBF_CLIP 0x00000001 /* Allow border clipping */ #define BBF_MASK 0x00000002 /* Allow masking */ #define BBF_STILL 0x00000004 /* This bob is not moving */ #define BBF_CLEAR 0x00000008 /* Allow automatic clearing */ #define BBF_RESTORE 0x00000010 /* Allow automatic background restore */ /*#define 0x00000020 */ #define BBF_FILLMASK 0x00000040 /* Fill any holes in the mask on generation */ #define BBF_GENONLY 0x00000080 /* Create masks but do not use them yet */ #define BBF_GENMASKS 0x00000082 /* Create and use masks for drawing this bob */ #define BBF_CLRMASK 0x00000100 /* Use masks when clearing */ #define BBF_CLRNOMASK 0x00000000 /* Do not use masks when clearing (default) */ #define BBF_GENMASK BBF_GENMASKS /* Synonym */ #define SKIPIMAGE 32000 /**************************************************************************** ** Pixel list structures. */ struct PixelEntry { WORD XCoord; WORD YCoord; LONG Colour; }; struct PixelList { WORD Entries; WORD EntrySize; struct PixelEntry *EntryList; }; #define SKIPPIXEL -32000 #define PIXELLIST(a) /**************************************************************************** ** Map object. */ #define MAPVERSION 1 #define TAGS_MAP ((ID_SPCTAGS<<16)|ID_MAP) struct Map { struct Head Head; /* Standard structure header */ WORD Buffer; /* Destination buffer */ WORD Number; /* Map number to access for data */ APTR MapList; /* Pointer to the map datalist */ WORD Width; /* Total width of map */ WORD Height; /* Total height of map */ WORD XStart; /* Get block data starting from X [byte] */ WORD YStart; /* Get block data starting from Y */ WORD EntrySize; /* Byte/Word/Long */ LONG EntryMask; /* For special cases */ WORD TileWidth; /* The width/8 of each tile (bytes) */ WORD TileHeight; /* The height of each tile */ WORD Options; /* Applicable Map options, eg LOCKED */ struct Picture *Picture; /* Points to the map's graphics picture */ char *File; /* Where to get the map data */ }; #define LOCKED 0x0001 /* Blocks are blitted on 16 pixel boundaries */ #define ESIZE_BYTE 1 /* Entry size is in bytes */ #define ESIZE_WORD 2 /* Entry size is in words */ #define ESIZE_LONG 3 /* Entry size is in longs */ #endif /* GRAPHICS_BLITTER_H */