| 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 |
| |