quake2forge/ref_soft/r_varsa.asm
2001-12-22 04:27:19 +00:00

220 lines
5.3 KiB
NASM

.386P
.model FLAT
;
; d_varsa.s
;
include qasm.inc
include d_if.inc
if id386
_DATA SEGMENT
;-------------------------------------------------------
; ASM-only variables
;-------------------------------------------------------
public float_1, float_particle_z_clip, float_point5
public float_minus_1, float_0
float_0 dd 0.0
float_1 dd 1.0
float_minus_1 dd -1.0
float_particle_z_clip dd PARTICLE_Z_CLIP
float_point5 dd 0.5
public fp_16, fp_64k, fp_1m, fp_64kx64k
public fp_1m_minus_1
public fp_8
fp_1m dd 1048576.0
fp_1m_minus_1 dd 1048575.0
fp_64k dd 65536.0
fp_8 dd 8.0
fp_16 dd 16.0
fp_64kx64k dd 04f000000h ; (float)0x8000*0x10000
public FloatZero, Float2ToThe31nd, FloatMinus2ToThe31nd
FloatZero dd 0
Float2ToThe31nd dd 04f000000h
FloatMinus2ToThe31nd dd 0cf000000h
public _r_bmodelactive
_r_bmodelactive dd 0
;-------------------------------------------------------
; global refresh variables
;-------------------------------------------------------
; FIXME: put all refresh variables into one contiguous block. Make into one
; big structure, like cl or sv?
align 4
public _d_sdivzstepu
public _d_tdivzstepu
public _d_zistepu
public _d_sdivzstepv
public _d_tdivzstepv
public _d_zistepv
public _d_sdivzorigin
public _d_tdivzorigin
public _d_ziorigin
_d_sdivzstepu dd 0
_d_tdivzstepu dd 0
_d_zistepu dd 0
_d_sdivzstepv dd 0
_d_tdivzstepv dd 0
_d_zistepv dd 0
_d_sdivzorigin dd 0
_d_tdivzorigin dd 0
_d_ziorigin dd 0
public _sadjust
public _tadjust
public _bbextents
public _bbextentt
_sadjust dd 0
_tadjust dd 0
_bbextents dd 0
_bbextentt dd 0
public _cacheblock
public _d_viewbuffer
public _cachewidth
public _d_pzbuffer
public _d_zrowbytes
public _d_zwidth
_cacheblock dd 0
_cachewidth dd 0
_d_viewbuffer dd 0
_d_pzbuffer dd 0
_d_zrowbytes dd 0
_d_zwidth dd 0
;-------------------------------------------------------
; ASM-only variables
;-------------------------------------------------------
public izi
izi dd 0
public pbase, s, t, sfracf, tfracf, snext, tnext
public spancountminus1, zi16stepu, sdivz16stepu, tdivz16stepu
public zi8stepu, sdivz8stepu, tdivz8stepu, pz
s dd 0
t dd 0
snext dd 0
tnext dd 0
sfracf dd 0
tfracf dd 0
pbase dd 0
zi8stepu dd 0
sdivz8stepu dd 0
tdivz8stepu dd 0
zi16stepu dd 0
sdivz16stepu dd 0
tdivz16stepu dd 0
spancountminus1 dd 0
pz dd 0
public izistep
izistep dd 0
;-------------------------------------------------------
; local variables for d_draw16.s
;-------------------------------------------------------
public reciprocal_table_16, entryvec_table_16
; 1/2, 1/3, 1/4, 1/5, 1/6, 1/7, 1/8, 1/9, 1/10, 1/11, 1/12, 1/13,
; 1/14, and 1/15 in 0.32 form
reciprocal_table_16 dd 040000000h, 02aaaaaaah, 020000000h
dd 019999999h, 015555555h, 012492492h
dd 010000000h, 0e38e38eh, 0ccccccch, 0ba2e8bah
dd 0aaaaaaah, 09d89d89h, 09249249h, 08888888h
externdef Entry2_16:dword
externdef Entry3_16:dword
externdef Entry4_16:dword
externdef Entry5_16:dword
externdef Entry6_16:dword
externdef Entry7_16:dword
externdef Entry8_16:dword
externdef Entry9_16:dword
externdef Entry10_16:dword
externdef Entry11_16:dword
externdef Entry12_16:dword
externdef Entry13_16:dword
externdef Entry14_16:dword
externdef Entry15_16:dword
externdef Entry16_16:dword
entryvec_table_16 dd 0, Entry2_16, Entry3_16, Entry4_16
dd Entry5_16, Entry6_16, Entry7_16, Entry8_16
dd Entry9_16, Entry10_16, Entry11_16, Entry12_16
dd Entry13_16, Entry14_16, Entry15_16, Entry16_16
;-------------------------------------------------------
; local variables for d_parta.s
;-------------------------------------------------------
public DP_Count, DP_u, DP_v, DP_32768, DP_Color, DP_Pix
DP_Count dd 0
DP_u dd 0
DP_v dd 0
DP_32768 dd 32768.0
DP_Color dd 0
DP_Pix dd 0
;externdef DP_1x1:dword
;externdef DP_2x2:dword
;externdef DP_3x3:dword
;externdef DP_4x4:dword
;DP_EntryTable dd DP_1x1, DP_2x2, DP_3x3, DP_4x4
;
; advancetable is 8 bytes, but points to the middle of that range so negative
; offsets will work
;
public advancetable, sstep, tstep, pspantemp, counttemp, jumptemp
advancetable dd 0, 0
sstep dd 0
tstep dd 0
pspantemp dd 0
counttemp dd 0
jumptemp dd 0
; 1/2, 1/3, 1/4, 1/5, 1/6, and 1/7 in 0.32 form
; public reciprocal_table, entryvec_table
reciprocal_table dd 040000000h, 02aaaaaaah, 020000000h
dd 019999999h, 015555555h, 012492492h
; externdef Entry2_8:dword
; externdef Entry3_8:dword
; externdef Entry4_8:dword
; externdef Entry5_8:dword
; externdef Entry6_8:dword
; externdef Entry7_8:dword
; externdef Entry8_8:dword
;entryvec_table dd 0, Entry2_8, Entry3_8, Entry4_8
; dd Entry5_8, Entry6_8, Entry7_8, Entry8_8
externdef Spr8Entry2_8:dword
externdef Spr8Entry3_8:dword
externdef Spr8Entry4_8:dword
externdef Spr8Entry5_8:dword
externdef Spr8Entry6_8:dword
externdef Spr8Entry7_8:dword
externdef Spr8Entry8_8:dword
public spr8entryvec_table
spr8entryvec_table dd 0, Spr8Entry2_8, Spr8Entry3_8, Spr8Entry4_8
dd Spr8Entry5_8, Spr8Entry6_8, Spr8Entry7_8, Spr8Entry8_8
_DATA ENDS
endif ; id386
END