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Diffstat (limited to 'QW/client/d_varsa.s')
| -rw-r--r-- | QW/client/d_varsa.s | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/QW/client/d_varsa.s b/QW/client/d_varsa.s new file mode 100644 index 0000000..537c6b4 --- /dev/null +++ b/QW/client/d_varsa.s @@ -0,0 +1,213 @@ +/* +Copyright (C) 1996-1997 Id Software, Inc. + +This program is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation; either version 2 +of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +*/ +// +// d_varsa.s +// + +#include "asm_i386.h" +#include "quakeasm.h" +#include "asm_draw.h" +#include "d_ifacea.h" + +#if id386 + + .data + +//------------------------------------------------------- +// global refresh variables +//------------------------------------------------------- + +// FIXME: put all refresh variables into one contiguous block. Make into one +// big structure, like cl or sv? + + .align 4 +.globl C(d_sdivzstepu) +.globl C(d_tdivzstepu) +.globl C(d_zistepu) +.globl C(d_sdivzstepv) +.globl C(d_tdivzstepv) +.globl C(d_zistepv) +.globl C(d_sdivzorigin) +.globl C(d_tdivzorigin) +.globl C(d_ziorigin) +C(d_sdivzstepu): .single 0 +C(d_tdivzstepu): .single 0 +C(d_zistepu): .single 0 +C(d_sdivzstepv): .single 0 +C(d_tdivzstepv): .single 0 +C(d_zistepv): .single 0 +C(d_sdivzorigin): .single 0 +C(d_tdivzorigin): .single 0 +C(d_ziorigin): .single 0 + +.globl C(sadjust) +.globl C(tadjust) +.globl C(bbextents) +.globl C(bbextentt) +C(sadjust): .long 0 +C(tadjust): .long 0 +C(bbextents): .long 0 +C(bbextentt): .long 0 + +.globl C(cacheblock) +.globl C(d_viewbuffer) +.globl C(cachewidth) +.globl C(d_pzbuffer) +.globl C(d_zrowbytes) +.globl C(d_zwidth) +C(cacheblock): .long 0 +C(cachewidth): .long 0 +C(d_viewbuffer): .long 0 +C(d_pzbuffer): .long 0 +C(d_zrowbytes): .long 0 +C(d_zwidth): .long 0 + + +//------------------------------------------------------- +// ASM-only variables +//------------------------------------------------------- +.globl izi +izi: .long 0 + +.globl pbase, s, t, sfracf, tfracf, snext, tnext +.globl spancountminus1, zi16stepu, sdivz16stepu, tdivz16stepu +.globl zi8stepu, sdivz8stepu, tdivz8stepu, pz +s: .long 0 +t: .long 0 +snext: .long 0 +tnext: .long 0 +sfracf: .long 0 +tfracf: .long 0 +pbase: .long 0 +zi8stepu: .long 0 +sdivz8stepu: .long 0 +tdivz8stepu: .long 0 +zi16stepu: .long 0 +sdivz16stepu: .long 0 +tdivz16stepu: .long 0 +spancountminus1: .long 0 +pz: .long 0 + +.globl izistep +izistep: .long 0 + +//------------------------------------------------------- +// local variables for d_draw16.s +//------------------------------------------------------- + +.globl 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: .long 0x40000000, 0x2aaaaaaa, 0x20000000 + .long 0x19999999, 0x15555555, 0x12492492 + .long 0x10000000, 0xe38e38e, 0xccccccc, 0xba2e8ba + .long 0xaaaaaaa, 0x9d89d89, 0x9249249, 0x8888888 + +#ifndef NeXT + .extern Entry2_16 + .extern Entry3_16 + .extern Entry4_16 + .extern Entry5_16 + .extern Entry6_16 + .extern Entry7_16 + .extern Entry8_16 + .extern Entry9_16 + .extern Entry10_16 + .extern Entry11_16 + .extern Entry12_16 + .extern Entry13_16 + .extern Entry14_16 + .extern Entry15_16 + .extern Entry16_16 +#endif + +entryvec_table_16: .long 0, Entry2_16, Entry3_16, Entry4_16 + .long Entry5_16, Entry6_16, Entry7_16, Entry8_16 + .long Entry9_16, Entry10_16, Entry11_16, Entry12_16 + .long Entry13_16, Entry14_16, Entry15_16, Entry16_16 + +//------------------------------------------------------- +// local variables for d_parta.s +//------------------------------------------------------- +.globl DP_Count, DP_u, DP_v, DP_32768, DP_Color, DP_Pix, DP_EntryTable +DP_Count: .long 0 +DP_u: .long 0 +DP_v: .long 0 +DP_32768: .single 32768.0 +DP_Color: .long 0 +DP_Pix: .long 0 + + +#ifndef NeXT + .extern DP_1x1 + .extern DP_2x2 + .extern DP_3x3 + .extern DP_4x4 +#endif + +DP_EntryTable: .long 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 +// +.globl advancetable, sstep, tstep, pspantemp, counttemp, jumptemp +advancetable: .long 0, 0 +sstep: .long 0 +tstep: .long 0 + +pspantemp: .long 0 +counttemp: .long 0 +jumptemp: .long 0 + +// 1/2, 1/3, 1/4, 1/5, 1/6, and 1/7 in 0.32 form +.globl reciprocal_table, entryvec_table +reciprocal_table: .long 0x40000000, 0x2aaaaaaa, 0x20000000 + .long 0x19999999, 0x15555555, 0x12492492 + +#ifndef NeXT + .extern Entry2_8 + .extern Entry3_8 + .extern Entry4_8 + .extern Entry5_8 + .extern Entry6_8 + .extern Entry7_8 + .extern Entry8_8 +#endif + +entryvec_table: .long 0, Entry2_8, Entry3_8, Entry4_8 + .long Entry5_8, Entry6_8, Entry7_8, Entry8_8 + +#ifndef NeXT + .extern Spr8Entry2_8 + .extern Spr8Entry3_8 + .extern Spr8Entry4_8 + .extern Spr8Entry5_8 + .extern Spr8Entry6_8 + .extern Spr8Entry7_8 + .extern Spr8Entry8_8 +#endif + +.globl spr8entryvec_table +spr8entryvec_table: .long 0, Spr8Entry2_8, Spr8Entry3_8, Spr8Entry4_8 + .long Spr8Entry5_8, Spr8Entry6_8, Spr8Entry7_8, Spr8Entry8_8 + +#endif // id386 + |