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1.1 ! root 1: ;---------------------------- Include File Header ---------------------------; ! 2: ; lines.inc ! 3: ; ! 4: ; Line drawing constants and structures. ! 5: ; ! 6: ; NOTE: This file mirrors LINES.H. Changes here must be reflected in ! 7: ; the .h file! ! 8: ; ! 9: ;----------------------------------------------------------------------------; ! 10: ! 11: STYLE_MAX_COUNT equ 16 ! 12: STYLE_MAX_VALUE equ 3fffh ! 13: RUN_MAX equ 20 ! 14: STRIP_MAX equ 100 ! 15: STYLE_DENSITY equ 3 ! 16: ! 17: ; Flip and round flags: ! 18: ! 19: FL_H_ROUND_DOWN equ 00000080h ! 20: FL_V_ROUND_DOWN equ 00008000h ! 21: ! 22: FL_FLIP_D equ 00000005h ! 23: FL_FLIP_V equ 00000008h ! 24: FL_FLIP_SLOPE_ONE equ 00000010h ! 25: FL_FLIP_HALF equ 00000002h ! 26: FL_FLIP_H equ 00000200h ! 27: ! 28: FL_ROUND_MASK equ 0000001ch ! 29: FL_ROUND_SHIFT equ 2 ! 30: ! 31: FL_RECTLCLIP_MASK equ 0000000ch ! 32: FL_RECTLCLIP_SHIFT equ 2 ! 33: ! 34: FL_STRIP_MASK equ 00000003h ! 35: FL_STRIP_SHIFT equ 0 ! 36: ! 37: FL_SIMPLE_CLIP equ 00000020h ! 38: FL_COMPLEX_CLIP equ 00000040h ! 39: FL_CLIP equ (FL_SIMPLE_CLIP + FL_COMPLEX_CLIP) ! 40: ! 41: FL_ARBITRARYSTYLED equ 00000400h ! 42: FL_MASKSTYLED equ 00000800h ! 43: FL_STYLED equ (FL_ARBITRARYSTYLED + FL_MASKSTYLED) ! 44: FL_ALTERNATESTYLED equ 00001000h ! 45: ! 46: FL_STYLE_MASK equ 00000C00h ! 47: FL_STYLE_SHIFT equ 10 ! 48: ! 49: ; Simple flag bits in high byte: ! 50: ! 51: FL_DONT_DO_HALF_FLIP equ 00002000h ! 52: FL_PHYSICAL_DEVICE equ 00004000h ! 53: ! 54: ; Miscellaneous DDA defines: ! 55: ! 56: F equ 16 ! 57: FLOG2 equ 4 ! 58: ! 59: STRIPS struc ! 60: ! 61: ; Updated by strip drawers: ! 62: ! 63: ST_pjScreen dd ? ! 64: ST_jBitMask db ? ! 65: ST_jFiller1 db 3 dup(?) ; jBitMask sometimes treated as a dword ! 66: ST_jStyleMask db ? ! 67: ST_jFiller2 db 3 dup(?) ; jStyleMask sometimes treated as a dword ! 68: ! 69: ST_psp dd ? ! 70: ST_spRemaining dd ? ! 71: ! 72: ; Not modified by strip drawers: ! 73: ! 74: ST_lNextScan dd ? ! 75: ST_plStripEnd dd ? ; usually won't be valid ! 76: ST_flFlips dd ? ! 77: ST_pspStart dd ? ! 78: ST_pspEnd dd ? ! 79: ST_ulBitmapROP dd ? ! 80: ST_xyDensity dd ? ! 81: ! 82: ; We leave room for a couple of extra dwords at the end of the strips ! 83: ; array that can be used by the strip drawers: ! 84: ! 85: ST_alStrips dd (STRIP_MAX + 2) dup (?) ! 86: STRIPS ends ! 87: ! 88: LINESTATE struc ! 89: LS_spTotal dd ? ! 90: LS_spTotal2 dd ? ! 91: LS_spNext dd ? ! 92: LS_spComplex dd ? ! 93: ! 94: LS_aspRtoL dd ? ! 95: LS_aspLtoR dd ? ! 96: ! 97: LS_xyDensity dd ? ! 98: LS_cStyle dd ? ! 99: ! 100: LS_ulStyleMaskLtoR dd ? ! 101: LS_ulStyleMaskRtoL dd ? ! 102: ! 103: LS_jStartMask db ? ! 104: LS_filler3 db 3 dup (?) ! 105: ! 106: LS_apfnStrip dd ? ! 107: ! 108: ; Used for 2 pass ROPs and/or DFBs: ! 109: ! 110: LS_iColor dd ? ! 111: LS_ulVgaMode dd ? ! 112: ! 113: LS_ulDrawModeIndex dd ? ! 114: LS_ulBitmapROP dd ? ! 115: LS_lNextPlane dd ? ! 116: LINESTATE ends ! 117: ! 118: RUN struc ! 119: RUN_iStart dd ? ! 120: RUN_iStop dd ? ! 121: RUN ends
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