IFND GRAPHICS_BLITTER_I GRAPHICS_BLITTER_I SET 1 ** ** $VER: blitter.i ** ** Blitter Module Definitions ** ** (C) Copyright 1996-1998 DreamWorld Productions. ** All Rights Reserved. ** IFND DPKERNEL_I include 'dpkernel/dpkernel.i' ENDC ***************************************************************************** * Module definitions. BlitModVersion = 3 BlitModRevision = 1 ***************************************************************************** * Pixel definitions. STRUCTURE PXL,00 WORD PXL_XCoord WORD PXL_YCoord LONG PXL_Colour LABEL PXL_SIZEOF PIXEL MACRO dc.w \1,\2 dc.l \3 ENDM SKIPPIXEL = -32000 ***************************************************************************** * Bitmap structure, used for blitting. VER_BITMAP = 2 TAGS_BITMAP = (ID_SPCTAGS<<16)|ID_BITMAP STRUCTURE BMP1,HEAD_SIZEOF ;[00] Standard header. APTR BMP_Data ;[12] Pointer to bitmap data area. WORD BMP_Width ;[16] Width. WORD BMP_ByteWidth ;[18] ByteWidth. WORD BMP_Height ;[20] Height. WORD BMP_Type ;[22] Type. LONG BMP_LineMod ;[24] Line differential. LONG BMP_PlaneMod ;[28] Plane differential. APTR BMP_Parent ;[32] Bitmap owner. APTR BMP_Restore ;[36] Restore list for this bitmap, if any. LONG BMP_Size ;[40] Total size of the bitmap in bytes. LONG BMP_MemType ;[44] Memory type to use in allocation. WORD BMP_Planes ;[48] Amount of planes. WORD BMP_resEmpty ;[50] Reserved. LONG BMP_AmtColours ;[52] Maximum amount of colours available. APTR BMP_Palette ;[56] Pointer to the Bitmap's palette. LONG BMP_Flags ;[60] Optional flags. APTR BMP_DrawUCPixel ;[64] Function. APTR BMP_DrawUCRPixel ;[68] Function. APTR BMP_ReadUCPixel ;[72] Function. APTR BMP_ReadUCRPixel ;[76] Function. APTR BMP_DrawPen ;[80] Function. APTR BMP_PenUCPixel ;[84] Function. BMA_Data = (TAPTR|BMP_Data) BMA_Width = (TWORD|BMP_Width) BMA_Height = (TWORD|BMP_Height) BMA_Type = (TWORD|BMP_Type) BMA_Size = (TLONG|BMP_Size) BMA_MemType = (TLONG|BMP_MemType) BMA_Planes = (TWORD|BMP_Planes) BMA_AmtColours = (TLONG|BMP_AmtColours) BMA_Palette = (TAPTR|BMP_Palette) BMA_Flags = (TLONG|BMP_Flags) BMA_DrawUCPixel = (TAPTR|BMP_DrawUCPixel) BMA_DrawUCRPixel = (TAPTR|BMP_DrawUCRPixel) BMA_ReadUCPixel = (TAPTR|BMP_ReadUCPixel) BMA_ReadUCRPixel = (TAPTR|BMP_ReadUCRPixel) BMA_DrawPen = (TAPTR|BMP_DrawPen) BMA_PenUCPixel = (TAPTR|BMP_PenUCPixel) ***************************************************************************** * Bitmap types (for BMP_Type). INTERLEAVED = 1 ;Interleaved (2 ... 256 colours) ILBM = INTERLEAVED ;Short synonym of Interleaved. PLANAR = 2 ;Planar (2 ... 256 colours) CHUNKY8 = 3 ;Chunky 8 bit (256 colours) CHUNKY16 = 4 ;Chunky 16 bit (65535 colours) CHUNKY32 = 5 ;True colour (16 million colours) TRUECOLOUR = CHUNKY32 ***************************************************************************** * Bitmap flags (for BMP_Flags). BMF_BLANKPALETTE = $00000001 ;For a blank (black) palette. BMF_EXTRAHB = $00000002 ;Extra half brite. BMF_HAM = $00000004 ;HAM mode. ***************************************************************************** * Pen shapes. PSP_CIRCLE = 1 PSP_SQUARE = 2 PSP_PIXEL = 3 ***************************************************************************** PALETTE_ARRAY = ((ID_PALETTE<<16)|01) ***************************************************************************** * The RestoreList structure. VER_RESTORE = 1 TAGS_RESTORE = (ID_SPCTAGS<<16)|ID_RESTORE STRUCTURE RH1,HEAD_SIZEOF WORD RH_Buffers ;Amount of screen buffers WORD RH_Entries ;Amount of entries. APTR RH_Owner ;Owner of the restorelist, ie bitmap. *** Private fields below *** APTR RH_List1 APTR RH_List2 APTR RH_List3 APTR RH_ListPos1 APTR RH_ListPos2 APTR RH_ListPos3 LABEL RH_SIZEOF RSA_Buffers = (TWORD|RH_Buffers) RSA_Entries = (TWORD|RH_Entries) RSA_Owner = (TAPTR|RH_Owner) *** Private Structure *** STRUCTURE RSE,0 APTR RSE_Next ;Next restore entry in the chain. APTR RSE_Prev ;Previous restore enty in the chain. APTR RSE_Bob ;Bob structure belonging to the restore [*] APTR RSE_Address ;Screen pointer (top of screen) [*] LABEL RSE_Mask ;Pointer to the bob's mask [Label *] APTR RSE_Storage ;Background storage or NULL. APTR RSE_Control ;Controls from the lookup table. APTR RSE_ConMask ;The control mask to use. WORD RSE_Modulo1 ;Modulo C LONG RSE_Modulo2 ;Modulos A/D. LABEL RSE_BlitSize ;[Label *] WORD RSE_BlitWidth ;[*] WORD RSE_BlitHeight ;[*] LABEL RSE_SIZEOF ***************************************************************************** * Bob structure, also used as a skeleton for Mbob's. VER_BOB = 1 TAGS_BOB = (ID_SPCTAGS<<16)|ID_BOB STRUCTURE BOB1,HEAD_SIZEOF APTR BOB_emp1 ;... APTR BOB_emp2 ;... APTR BOB_GfxCoords ;Pointer to frame list for graphics [R:W] WORD BOB_Frame ;Current frame [R:W] WORD BOB_emp3 ;... WORD BOB_Width ;Width in pixels (true width) [R:I] WORD BOB_ByteWidth ;Width in bytes (round up) [R] WORD BOB_XCoord ;X coordinate [R:W] WORD BOB_YCoord ;Y coordinate [R:W] WORD BOB_Height ;Height in pixels [R:I] WORD BOB_ClipLX ;Left X border in bytes. WORD BOB_ClipTY ;Top Y border. WORD BOB_ClipRX ;Right X border in bytes. WORD BOB_ClipBY ;Bottom Y border. WORD BOB_FPlane ;First plane to blit to (planar only) [R:I] WORD BOB_Planes ;Amount of planes [R:I] WORD BOB_PropHeight ;Expected height of source bitmap. WORD BOB_PropWidth ;Expected width of source bitmap. WORD BOB_Buffers ;Amount of buffers in dest screen [O:R] LONG BOB_PlaneSize ;Size of a single plane (planar only) [R] LONG BOB_Attrib ;Attributes like CLIP and MASK. APTR BOB_SrcBitmap ;Source Bitmap. WORD BOB_Empty ;Reserved (in use by MBob). WORD BOB_emp4 ;... APTR BOB_Source ;Pointer to bob source (origin). APTR BOB_DirectGfx ;Pointer to direct frame list [R] APTR BOB_DestBitmap ;Destination Bitmap [R] APTR BOB_MaskCoords ;Pointer to frame list for masks [R:I] APTR BOB_DirectMasks ;Pointer to direct frame list [R] APTR BOB_MaskBitmap ;Source Bitmap for masks. WORD BOB_AmtFrames ;Total amount of frames in GfxCoords. *** Private fields start now *** WORD BOB_StoreSize ;4/8/12 Sizeof one store entry (MBob's) APTR BOB_StoreBuffer ;A/B/C [0/4/8] storage pointer (MBob's) WORD BOB_StoreMax ;Maximum store position. APTR BOB_StoreMemory ;Master storage pointer (for the freemem). WORD BOB_StoreCount ;Counter for store, 0, 4, 8. APTR BOB_StoreA ;Storage buffer 1. APTR BOB_StoreB ;Storage buffer 2. APTR BOB_StoreC ;Storage buffer 3. APTR BOB_DrawRoutine ;Routine for drawing/clearing/storing. APTR BOB_ClearRoutine ;Routine for clearing. APTR BOB_RestoreRoutine ;Routine for restoring/clearing. APTR BOB_HeightRoutine ;Replaces BS_DrawRoutine for large heights. LONG BOB_ScreenSize ;Size of destination plane. WORD BOB_Modulo ;Bob Modulo (PicWidth-BobWidth) WORD BOB_MaskModulo ;Mask Modulo (BobWidth-BobWidth for GENMASK). APTR BOB_MaskMemory ;Master mask pointer (for the freemem). WORD BOB_MaxHeight ;Maximum possible height, limited by blitter. WORD BOB_ScrLine ;Size of a line (for interleaved). WORD BOB_BobLine ;Size of a Bob line (Width*Planes) WORD BOB_MaskLine ;Size of a Mask Line (Width*Planes) WORD BOB_TrueWidth ;The true pixel width (++shift) WORD BOB_TrueBWidth ;The true byte width (++shift) WORD BOB_TrueWWidth ;The true word width (++shift) WORD BOB_ClipBLX ;ClipLX, byte. WORD BOB_ClipBRX ;ClipRX, byte. LONG BOB_Modulo1 ;Modulus. (C/B) LONG BOB_Modulo2 ;Modulus. (A/D) LONG BOB_NSModulo1 ;Modulus. (C/B) LONG BOB_NSModulo2 ;Modulus. (A/D) WORD BOB_WordWidth ;The word width. BYTE BOB_AFlags ;Allocation flags. BYTE BOB_Pad ; APTR BOB_Screen ; APTR BOB_MaskData ; WORD BOB_SrcWidth ;Source Page Width in bytes. WORD BOB_SrcMaskWidth ;Mask Page Width in bytes. BBA_Frame = (TWORD|BOB_Frame) BBA_GfxCoords = (TAPTR|BOB_GfxCoords) BBA_Width = (TWORD|BOB_Width) BBA_Height = (TWORD|BOB_Height) BBA_XCoord = (TWORD|BOB_XCoord) BBA_YCoord = (TWORD|BOB_YCoord) BBA_ClipLX = (TWORD|BOB_ClipLX) BBA_ClipTY = (TWORD|BOB_ClipTY) BBA_ClipRX = (TWORD|BOB_ClipRX) BBA_ClipBY = (TWORD|BOB_ClipBY) BBA_FPlane = (TWORD|BOB_FPlane) BBA_Planes = (TWORD|BOB_Planes) BBA_PropHeight = (TWORD|BOB_PropHeight) BBA_PropWidth = (TWORD|BOB_PropWidth) BBA_Buffers = (TWORD|BOB_Buffers) BBA_Attrib = (TLONG|BOB_Attrib) BBA_SrcBitmap = (TAPTR|BOB_SrcBitmap) BBA_Source = (TAPTR|BOB_Source) BBA_MaskCoords = (TAPTR|BOB_MaskCoords) BBA_MaskBitmap = (TAPTR|BOB_MaskBitmap) BBA_SourceTags = (TSTEPIN|TTRIGGER|BOB_Source) BBA_AmtPlanes = BBA_Planes ***************************************************************************** * MBob structure for MBV1, based on BBV1. VER_MBOB = 1 TAGS_MBOB = (ID_SPCTAGS<<16)|ID_MBOB STRUCTURE MBOB1,HEAD_SIZEOF APTR MB_emp1 ;... APTR MB_emp2 ;... APTR MB_GfxCoords ;Pointer to frame list for graphics. WORD MB_AmtEntries ;Amount of entries in the image list. WORD MB_emp3 ;... WORD MB_Width ;Width in pixels. WORD MB_ByteWidth ;Width in bytes. APTR MB_EntryList ;Pointer to the entry/image list. WORD MB_Height ;Height in pixels. WORD MB_ClipLX ;Left X border in bytes. WORD MB_ClipTY ;Top Y border. WORD MB_ClipRX ;Right X border in bytes. WORD MB_ClipBY ;Bottom Y border. WORD MB_FPlane ;First plane to blit to (planar only) WORD MB_Planes ;Amount of planes. WORD MB_PropHeight ;Expected height of source picture. WORD MB_PropWidth ;Expected width of source picture. WORD MB_Buffers ;Amount of buffers in dest screen. LONG MB_PlaneSize ;Size Of Plane Source (planar only) LONG MB_Attrib ;Attributes like CLIP and MASK. APTR MB_SrcBitmap ;Source Bitmap. WORD MB_EntrySize ;Size of each entry. WORD MB_emp4 ;... APTR MB_Source ;Pointer to source structure (bob origin). APTR MB_DirectGfx ;Pointer to direct frame list. APTR MB_DestBitmap ;Pointer to Bob's destination Bitmap. APTR MB_MaskCoords ;Pointer to frame list for masks. APTR MB_DirectMasks ; APTR MB_MaskBitmap ; WORD MB_AmtFrames ;Total amount of frames in frame/direct lists. STRUCTURE BE,0 ;MBob Entry Structure. WORD BE_XCoord WORD BE_YCoord UWORD BE_Frame LABEL BE_SIZEOF SKIPIMAGE = 32000 MBA_AmtEntries = (TWORD|MB_AmtEntries) MBA_GfxCoords = (TAPTR|MB_GfxCoords) MBA_Width = (TWORD|MB_Width) MBA_Height = (TWORD|MB_Height) MBA_EntryList = (TAPTR|MB_EntryList) MBA_ClipLX = (TWORD|MB_ClipLX) MBA_ClipTY = (TWORD|MB_ClipTY) MBA_ClipRX = (TWORD|MB_ClipRX) MBA_ClipBY = (TWORD|MB_ClipBY) MBA_FPlane = (TWORD|MB_FPlane) MBA_Planes = (TWORD|MB_Planes) MBA_Attrib = (TLONG|MB_Attrib) MBA_SrcBitmap = (TAPTR|MB_SrcBitmap) MBA_EntrySize = (TWORD|MB_EntrySize) MBA_Source = (TAPTR|MB_Source) MBA_Buffers = (TWORD|MB_Buffers) MBA_MaskCoords = (TAPTR|MB_MaskCoords) MBA_PropWidth = (TWORD|MB_PropWidth) MBA_PropHeight = (TWORD|MB_PropHeight) MBA_MaskBitmap = (TAPTR|MB_MaskBitmap) ***************************************************************************** * Drawing Methods and Options for both bob structures (BOB_Attrib). B_CLIP = 0 ;Allow border clipping. B_MASK = 1 ;Allow masking. B_FILLMASK = 2 ;Fill any holes in the mask on generation. B_CLEAR = 3 ;Allow automatic clearing. B_RESTORE = 4 ;Allow automatic background restore. ;B_ = 5 B_CLRMASK = 6 ;Use masks in the clear. B_GENONLY = 7 ;Create and use masks for drawing this bob. BBF_CLIP = (1<