mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2025-01-18 06:51:47 +00:00
move cl_math.S into renderer/sw/transform.S (never before realised it was
part of the renderer)
This commit is contained in:
Bill Currie
parent
3035224bec
commit
4c5b977902
5 changed files with 4 additions and 116 deletions
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@ -17,4 +17,5 @@ libsw_la_SOURCES = d_edge.c d_fill.c d_init.c d_modech.c d_part.c d_polyse.c \
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sw_skin.c \
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d_draw.S d_draw16.S d_parta.S d_polysa.S d_scana.S d_spr8.S \
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d_varsa.S surf16.S surf8.S sw_raclipa.S sw_raliasa.S sw_rdrawa.S \
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sw_redgea.S sw_rvarsa.S
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sw_redgea.S sw_rvarsa.S \
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transform.S
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@ -107,5 +107,4 @@ C(TransformVector):
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ret
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#endif // USE_INTEL_ASM
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@ -40,8 +40,7 @@ EXTRA_PROGRAMS= nq-3dfx nq-fbdev nq-glx nq-mgl nq-sdl \
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noinst_LIBRARIES= libqfnet.a
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math_ASM= cl_math.S
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common_ASM= sys_ia32.S worlda.S $(math_ASM)
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common_ASM= sys_ia32.S worlda.S
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common_SOURCES= game.c host_skin.c skin.c wad.c world.c com.c $(common_ASM)
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@ -99,7 +99,7 @@ client_SOURCES= cl_cam.c cl_cmd.c cl_cvar.c cl_demo.c cl_ents.c cl_input.c \
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cl_skin.c cl_slist.c cl_tent.c \
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console.c keys.c locs.c pcx.c \
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r_view.c sbar.c skin.c teamplay.c tga.c \
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wad.c cl_math.S $(syscl_SRC)
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wad.c $(syscl_SRC)
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# Software-rendering clients
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#
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@ -1,111 +0,0 @@
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/*
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cl_math.S
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Client x86 assembly-language math routines.
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "QF/asm_i386.h"
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#include "quakeasm.h"
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#undef USE_INTEL_ASM //XXX asm pic hack
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#ifdef USE_INTEL_ASM
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.data
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.text
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// TODO: rounding needed?
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// stack parameter offset
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#define val 4
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.globl C(Invert24To16)
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C(Invert24To16):
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movl val(%esp),%ecx
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movl $0x100,%edx // 0x10000000000 as dividend
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cmpl %edx,%ecx
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jle LOutOfRange
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subl %eax,%eax
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divl %ecx
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ret
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LOutOfRange:
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movl $0xFFFFFFFF,%eax
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ret
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#define in 4
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#define out 8
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.align 2
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.globl C(TransformVector)
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C(TransformVector):
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movl in(%esp),%eax
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movl out(%esp),%edx
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flds (%eax) // in[0]
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fmuls C(vright) // in[0]*vright[0]
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flds (%eax) // in[0] | in[0]*vright[0]
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fmuls C(vup) // in[0]*vup[0] | in[0]*vright[0]
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flds (%eax) // in[0] | in[0]*vup[0] | in[0]*vright[0]
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fmuls C(vpn) // in[0]*vpn[0] | in[0]*vup[0] | in[0]*vright[0]
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flds 4(%eax) // in[1] | ...
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fmuls C(vright)+4 // in[1]*vright[1] | ...
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flds 4(%eax) // in[1] | in[1]*vright[1] | ...
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fmuls C(vup)+4 // in[1]*vup[1] | in[1]*vright[1] | ...
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flds 4(%eax) // in[1] | in[1]*vup[1] | in[1]*vright[1] | ...
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fmuls C(vpn)+4 // in[1]*vpn[1] | in[1]*vup[1] | in[1]*vright[1] | ...
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fxch %st(2) // in[1]*vright[1] | in[1]*vup[1] | in[1]*vpn[1] | ...
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faddp %st(0),%st(5) // in[1]*vup[1] | in[1]*vpn[1] | ...
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faddp %st(0),%st(3) // in[1]*vpn[1] | ...
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faddp %st(0),%st(1) // vpn_accum | vup_accum | vright_accum
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flds 8(%eax) // in[2] | ...
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fmuls C(vright)+8 // in[2]*vright[2] | ...
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flds 8(%eax) // in[2] | in[2]*vright[2] | ...
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fmuls C(vup)+8 // in[2]*vup[2] | in[2]*vright[2] | ...
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flds 8(%eax) // in[2] | in[2]*vup[2] | in[2]*vright[2] | ...
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fmuls C(vpn)+8 // in[2]*vpn[2] | in[2]*vup[2] | in[2]*vright[2] | ...
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fxch %st(2) // in[2]*vright[2] | in[2]*vup[2] | in[2]*vpn[2] | ...
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faddp %st(0),%st(5) // in[2]*vup[2] | in[2]*vpn[2] | ...
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faddp %st(0),%st(3) // in[2]*vpn[2] | ...
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faddp %st(0),%st(1) // vpn_accum | vup_accum | vright_accum
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fstps 8(%edx) // out[2]
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fstps 4(%edx) // out[1]
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fstps (%edx) // out[0]
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ret
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#endif // USE_INTEL_ASM
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