118 lines
2.4 KiB
PHP
118 lines
2.4 KiB
PHP
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; {{NO_DEPENDENCIES}}
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; Copyright (c) 1992,1993-1995 Argonaut Technologies Limited. All rights reserved.
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;
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; $Id: rastmacs.inc 1.4 1997/05/20 17:07:56 JOHNG Exp $
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; $Locker: $
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;
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; Macros for generating rasterisers
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;
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if 1
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OUT_EXPR macro _name,_total
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%out _name = _total
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endm
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else
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OUT_EXPR macro x,y
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endm
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endif
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RASTERISE_EXIT macro
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mov eax,[esp+WORK_SIZE].tsb_header.function
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add esp,WORK_SIZE
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jmp eax
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endm
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RASTERISE_EXIT_EARLY macro
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mov eax,[esp+PARAM_SIZE].tsb_header.function
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add esp,PARAM_SIZE
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jmp eax
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endm
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; Number of bits of fraction used for U & V in tiled texture mappers
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;
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FRACTION_BITS equ 11
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; Differentiation between 15 and 16 bit rasterisers
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;COLOUR_TYPE_15 equ 0
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;COLOUR_TYPE_16 equ 1
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; Generate a pair of rasterisers - general case
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;
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RASTERISE_PAIR macro swork,sparam,inc,basename
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local _w,_p
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PARAM_OFFSET = swork&.h
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WORK_SIZE = sizeof swork
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PARAM_SIZE = sizeof sparam
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WORK equ [esp].&swork
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PARAM equ [esp+PARAM_OFFSET].&sparam
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basename&_LR proc
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direction textequ <lr>
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include inc
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OUT_EXPR <basename&_LR>,<%($-basename&_LR)>
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basename&_LR endp
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basename&_RL proc
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direction textequ <rl>
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include inc
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OUT_EXPR <basename&_RL>,<%($-basename&_RL)>
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basename&_RL endp
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endm
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; Convenience macros for accessing components
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;
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_x textequ <comp[C_SX*4]>
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_y textequ <comp[C_SY*4]>
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_z textequ <comp[C_SZ*4]>
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_r textequ <comp[C_R*4]>
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_g textequ <comp[C_G*4]>
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_b textequ <comp[C_B*4]>
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_a textequ <comp[C_A*4]>
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_u textequ <comp[C_U*4]>
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_v textequ <comp[C_V*4]>
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; Tables and data for rasterisers
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;
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externdef zeros:dword
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externdef mask_5:dword
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externdef mask_6:dword
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externdef mask_5s:dword
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externdef mask_6s:dword
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externdef mask_5d:dword
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externdef mask_6d:dword
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externdef right_masks:dword
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externdef left_masks:dword
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externdef scanline_mask:word
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externdef scanline_mask_end:word
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externdef rasteriseBuffer:qword
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externdef rasteriseBufferLast:dword
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externdef rasteriseBufferTop:dword
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externdef rasteriseBufferSaved:dword
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externdef dither_table_11:dword
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externdef dither_table_11x:dword
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externdef dither_table_10:dword
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externdef dither_table_9:dword
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externdef dither_table_8:dword
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externdef fraction_mask:dword
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externdef fraction_bit:dword
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externdef uv_masks:dword
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externdef screendoor_masks:dword
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externdef dither_current:dword
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externdef screendoor_mask:dword
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