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quakeforge/libs/video/renderer/sw/d_varsa.S

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initial checkin of most recent newtree and nuq(?) source
2001-02-19 21:15:25 +00:00
/*
d_varsa.S
(description)
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
include/QF header cleanup. including config.h (or any file from include) is a nono because headers in include/QF get installed, but include don't and thus would break quakeforge-dev.
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#include "asm_i386.h"
initial checkin of most recent newtree and nuq(?) source
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#include "quakeasm.h"
#include "asm_draw.h"
#include "d_ifacea.h"
re-enable asm for static builds
2001-06-11 20:59:48 +00:00
#ifdef PIC
disable asm in the software renderer for now. This will allow me to fix the files one at a time and allow others to use software independent of asm usage (even if a little slowly (~14% slower on my dual c450)).
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#undef USE_INTEL_ASM //XXX asm pic hack
re-enable asm for static builds
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#endif
disable asm in the software renderer for now. This will allow me to fix the files one at a time and allow others to use software independent of asm usage (even if a little slowly (~14% slower on my dual c450)).
2001-05-25 14:57:31 +00:00
initial checkin of most recent newtree and nuq(?) source
2001-02-19 21:15:25 +00:00
#ifdef USE_INTEL_ASM
.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)
[renderer] Move to using dynamic frame buffers For now, OpenGL and Vulkan renderers are broken as I focused on getting the software renderer working (which was quite tricky to get right). This fixes a couple of issues: the segfault when warping the screen (due to the scene rendering move invalidating the warp buffer), and warp always having 320x200 resolution. There's still the problem of the effect being too subtle at high resolution, but that's just a matter of updating the tables and tweaking the code in D_WarpScreen. Another issue is the Draw functions should probably write directly to the main frame buffer or even one passed in as a parameter. This would remove the need for binding the main buffer at the beginning and end of the frame.
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.globl C(d_rowbytes)
.globl C(d_height)
initial checkin of most recent newtree and nuq(?) source
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.globl C(cachewidth)
[sw] Rename d_pzbuffer to d_zbuffer
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.globl C(d_zbuffer)
initial checkin of most recent newtree and nuq(?) source
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.globl C(d_zrowbytes)
.globl C(d_zwidth)
C(cacheblock): .long 0
C(cachewidth): .long 0
C(d_viewbuffer): .long 0
[renderer] Move to using dynamic frame buffers For now, OpenGL and Vulkan renderers are broken as I focused on getting the software renderer working (which was quite tricky to get right). This fixes a couple of issues: the segfault when warping the screen (due to the scene rendering move invalidating the warp buffer), and warp always having 320x200 resolution. There's still the problem of the effect being too subtle at high resolution, but that's just a matter of updating the tables and tweaking the code in D_WarpScreen. Another issue is the Draw functions should probably write directly to the main frame buffer or even one passed in as a parameter. This would remove the need for binding the main buffer at the beginning and end of the frame.
2022-03-24 03:22:27 +00:00
C(d_rowbytes): .long 0
C(d_height): .long 0
[sw] Rename d_pzbuffer to d_zbuffer
2022-03-21 14:11:09 +00:00
C(d_zbuffer): .long 0
initial checkin of most recent newtree and nuq(?) source
2001-02-19 21:15:25 +00:00
C(d_zrowbytes): .long 0
C(d_zwidth): .long 0
//-------------------------------------------------------
// ASM-only variables
//-------------------------------------------------------
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
2011-09-10 08:49:14 +00:00
.globl C(izi)
C(izi): .long 0
.globl C(pbase), C(s), C(t), C(sfracf), C(tfracf), C(snext), C(tnext)
.globl C(spancountminus1), C(zi16stepu), C(sdivz16stepu), C(tdivz16stepu)
.globl C(zi8stepu), C(sdivz8stepu), C(tdivz8stepu), C(pz)
C(s): .long 0
C(t): .long 0
C(snext): .long 0
C(tnext): .long 0
C(sfracf): .long 0
C(tfracf): .long 0
C(pbase): .long 0
C(zi8stepu): .long 0
C(sdivz8stepu): .long 0
C(tdivz8stepu): .long 0
C(zi16stepu): .long 0
C(sdivz16stepu): .long 0
C(tdivz16stepu): .long 0
C(spancountminus1): .long 0
C(pz): .long 0
.globl C(izistep)
C(izistep): .long 0
initial checkin of most recent newtree and nuq(?) source
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//-------------------------------------------------------
// local variables for d_draw16.s
//-------------------------------------------------------
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
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.globl C(reciprocal_table_16)
initial checkin of most recent newtree and nuq(?) source
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// 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
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
2011-09-10 08:49:14 +00:00
C(reciprocal_table_16): .long 0x40000000, 0x2aaaaaaa, 0x20000000
initial checkin of most recent newtree and nuq(?) source
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.long 0x19999999, 0x15555555, 0x12492492
.long 0x10000000, 0xe38e38e, 0xccccccc, 0xba2e8ba
.long 0xaaaaaaa, 0x9d89d89, 0x9249249, 0x8888888
//-------------------------------------------------------
// local variables for d_parta.s
//-------------------------------------------------------
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
2011-09-10 08:49:14 +00:00
.globl C(DP_Count), C(DP_u), C(DP_v), C(DP_32768), C(DP_Color)
.globl C(DP_Pix), C(DP_EntryTable)
C(DP_Count): .long 0
C(DP_u): .long 0
C(DP_v): .long 0
C(DP_32768): .single 32768.0
C(DP_Color): .long 0
C(DP_Pix): .long 0
initial checkin of most recent newtree and nuq(?) source
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#ifndef NeXT
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
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.extern C(DP_1x1)
.extern C(DP_2x2)
.extern C(DP_3x3)
.extern C(DP_4x4)
initial checkin of most recent newtree and nuq(?) source
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#endif
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
2011-09-10 08:49:14 +00:00
C(DP_EntryTable): .long C(DP_1x1), C(DP_2x2), C(DP_3x3), C(DP_4x4)
initial checkin of most recent newtree and nuq(?) source
2001-02-19 21:15:25 +00:00
//
// advancetable is 8 bytes, but points to the middle of that range so negative
// offsets will work
//
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
2011-09-10 08:49:14 +00:00
.globl C(advancetable), C(sstep), C(tstep), C(pspantemp)
.globl C(counttemp), C(jumptemp)
C(advancetable): .long 0, 0
C(sstep): .long 0
C(tstep): .long 0
initial checkin of most recent newtree and nuq(?) source
2001-02-19 21:15:25 +00:00
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
2011-09-10 08:49:14 +00:00
C(pspantemp): .long 0
C(counttemp): .long 0
C(jumptemp): .long 0
initial checkin of most recent newtree and nuq(?) source
2001-02-19 21:15:25 +00:00
// 1/2, 1/3, 1/4, 1/5, 1/6, and 1/7 in 0.32 form
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
2011-09-10 08:49:14 +00:00
.globl C(reciprocal_table), C(entryvec_table)
C(reciprocal_table): .long 0x40000000, 0x2aaaaaaa, 0x20000000
initial checkin of most recent newtree and nuq(?) source
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.long 0x19999999, 0x15555555, 0x12492492
#ifndef NeXT
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
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.extern C(Entry2_8)
.extern C(Entry3_8)
.extern C(Entry4_8)
.extern C(Entry5_8)
.extern C(Entry6_8)
.extern C(Entry7_8)
.extern C(Entry8_8)
initial checkin of most recent newtree and nuq(?) source
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#endif
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
2011-09-10 08:49:14 +00:00
C(entryvec_table): .long 0, C(Entry2_8), C(Entry3_8), C(Entry4_8)
.long C(Entry5_8), C(Entry6_8), C(Entry7_8), C(Entry8_8)
initial checkin of most recent newtree and nuq(?) source
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#ifndef NeXT
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
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.extern C(Spr8Entry2_8)
.extern C(Spr8Entry3_8)
.extern C(Spr8Entry4_8)
.extern C(Spr8Entry5_8)
.extern C(Spr8Entry6_8)
.extern C(Spr8Entry7_8)
.extern C(Spr8Entry8_8)
initial checkin of most recent newtree and nuq(?) source
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#endif
Fix asm ilnking in mingw. It seems that recent binutils/libtool doesn't like exporting symbols that don't begin with a _.
2011-09-10 08:49:14 +00:00
.globl C(spr8entryvec_table)
C(spr8entryvec_table): .long 0, C(Spr8Entry2_8), C(Spr8Entry3_8), C(Spr8Entry4_8)
.long C(Spr8Entry5_8), C(Spr8Entry6_8), C(Spr8Entry7_8), C(Spr8Entry8_8)
initial checkin of most recent newtree and nuq(?) source
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#endif // USE_INTEL_ASM
Add GNU-stack notes to assembly files Prevents GCC from assuming an executable stack is needed. Signed-off-by: Ionen Wolkens <ionen@gentoo.org>
2021-06-13 14:12:03 +00:00
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif
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