ref: 0d4b3504cc557b5ded1180e2fd00cd210c1024d7
dir: /QW/client/d_varsa.s/
/* 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