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GSDrawScanlineCodeGenerator.x86.cpp
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GSDrawScanlineCodeGenerator.x86.cpp
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/*
* Copyright (C) 2007-2009 Gabest
* http://www.gabest.org
*
* 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, 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "stdafx.h"
#include "GSDrawScanlineCodeGenerator.h"
#include "GSVertexSW.h"
#if _M_SSE < 0x500 && !(defined(_M_AMD64) || defined(_WIN64))
static const int _args = 16;
static const int _top = _args + 4;
static const int _v = _args + 8;
void GSDrawScanlineCodeGenerator::Generate()
{
push(ebx);
push(esi);
push(edi);
push(ebp);
Init();
if(!m_sel.edge)
{
align(16);
}
L("loop");
// ecx = steps
// esi = fzbr
// edi = fzbc
// xmm0 = z/zi
// xmm2 = s/u (tme)
// xmm3 = t/v (tme)
// xmm4 = q (tme)
// xmm5 = rb (!tme)
// xmm6 = ga (!tme)
// xmm7 = test
bool tme = m_sel.tfx != TFX_NONE;
TestZ(tme ? xmm5 : xmm2, tme ? xmm6 : xmm3);
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// - xmm0
// xmm2 = s/u (tme)
// xmm3 = t/v (tme)
// xmm4 = q (tme)
// xmm5 = rb (!tme)
// xmm6 = ga (!tme)
// xmm7 = test
if(m_sel.mmin)
{
SampleTextureLOD();
}
else
{
SampleTexture();
}
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// - xmm2
// - xmm3
// - xmm4
// xmm5 = rb
// xmm6 = ga
// xmm7 = test
AlphaTFX();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// xmm2 = gaf (TFX_HIGHLIGHT || TFX_HIGHLIGHT2 && !tcc)
// xmm5 = rb
// xmm6 = ga
// xmm7 = test
ReadMask();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// xmm2 = gaf (TFX_HIGHLIGHT || TFX_HIGHLIGHT2 && !tcc)
// xmm3 = fm
// xmm4 = zm
// xmm5 = rb
// xmm6 = ga
// xmm7 = test
TestAlpha();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// xmm2 = gaf (TFX_HIGHLIGHT || TFX_HIGHLIGHT2 && !tcc)
// xmm3 = fm
// xmm4 = zm
// xmm5 = rb
// xmm6 = ga
// xmm7 = test
ColorTFX();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// xmm3 = fm
// xmm4 = zm
// xmm5 = rb
// xmm6 = ga
// xmm7 = test
Fog();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// xmm3 = fm
// xmm4 = zm
// xmm5 = rb
// xmm6 = ga
// xmm7 = test
ReadFrame();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// xmm2 = fd
// xmm3 = fm
// xmm4 = zm
// xmm5 = rb
// xmm6 = ga
// xmm7 = test
TestDestAlpha();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// xmm2 = fd
// xmm3 = fm
// xmm4 = zm
// xmm5 = rb
// xmm6 = ga
// xmm7 = test
WriteMask();
// ebx = fa
// ecx = steps
// edx = fzm
// esi = fzbr
// edi = fzbc
// ebp = za
// xmm2 = fd
// xmm3 = fm
// xmm4 = zm
// xmm5 = rb
// xmm6 = ga
WriteZBuf();
// ebx = fa
// ecx = steps
// edx = fzm
// esi = fzbr
// edi = fzbc
// - ebp
// xmm2 = fd
// xmm3 = fm
// - xmm4
// xmm5 = rb
// xmm6 = ga
AlphaBlend();
// ebx = fa
// ecx = steps
// edx = fzm
// esi = fzbr
// edi = fzbc
// xmm2 = fd
// xmm3 = fm
// xmm5 = rb
// xmm6 = ga
WriteFrame();
L("step");
// if(steps <= 0) break;
if(!m_sel.edge)
{
test(ecx, ecx);
jle("exit", T_NEAR);
Step();
jmp("loop", T_NEAR);
}
L("exit");
// vzeroupper();
pop(ebp);
pop(edi);
pop(esi);
pop(ebx);
ret(8);
}
void GSDrawScanlineCodeGenerator::Init()
{
if(!m_sel.notest)
{
// int skip = left & 3;
mov(ebx, edx);
and(edx, 3);
// int steps = pixels + skip - 4;
lea(ecx, ptr[ecx + edx - 4]);
// left -= skip;
sub(ebx, edx);
// GSVector4i test = m_test[skip] | m_test[7 + (steps & (steps >> 31))];
shl(edx, 4);
movdqa(xmm7, ptr[edx + (size_t)&m_test[0]]);
mov(eax, ecx);
sar(eax, 31);
and(eax, ecx);
shl(eax, 4);
por(xmm7, ptr[eax + (size_t)&m_test[7]]);
}
else
{
mov(ebx, edx); // left
xor(edx, edx); // skip
lea(ecx, ptr[ecx - 4]); // steps
}
// GSVector2i* fza_base = &m_local.gd->fzbr[top];
mov(esi, ptr[esp + _top]);
lea(esi, ptr[esi * 8]);
add(esi, ptr[&m_local.gd->fzbr]);
// GSVector2i* fza_offset = &m_local.gd->fzbc[left >> 2];
lea(edi, ptr[ebx * 2]);
add(edi, ptr[&m_local.gd->fzbc]);
if(m_sel.prim != GS_SPRITE_CLASS && (m_sel.fwrite && m_sel.fge || m_sel.zb) || m_sel.fb && (m_sel.edge || m_sel.tfx != TFX_NONE || m_sel.iip))
{
// edx = &m_local.d[skip]
lea(edx, ptr[edx * 8 + (size_t)m_local.d]);
// ebx = &v
mov(ebx, ptr[esp + _v]);
}
if(m_sel.prim != GS_SPRITE_CLASS)
{
if(m_sel.fwrite && m_sel.fge || m_sel.zb)
{
movaps(xmm0, ptr[ebx + offsetof(GSVertexSW, p)]); // v.p
if(m_sel.fwrite && m_sel.fge)
{
// f = GSVector4i(vp).zzzzh().zzzz().add16(m_local.d[skip].f);
cvttps2dq(xmm1, xmm0);
pshufhw(xmm1, xmm1, _MM_SHUFFLE(2, 2, 2, 2));
pshufd(xmm1, xmm1, _MM_SHUFFLE(2, 2, 2, 2));
paddw(xmm1, ptr[edx + offsetof(GSScanlineLocalData::skip, f)]);
movdqa(ptr[&m_local.temp.f], xmm1);
}
if(m_sel.zb)
{
// z = vp.zzzz() + m_local.d[skip].z;
shufps(xmm0, xmm0, _MM_SHUFFLE(2, 2, 2, 2));
movaps(ptr[&m_local.temp.z], xmm0);
movaps(xmm2, ptr[edx + offsetof(GSScanlineLocalData::skip, z)]);
movaps(ptr[&m_local.temp.zo], xmm2);
addps(xmm0, xmm2);
}
}
}
else
{
if(m_sel.ztest)
{
movdqa(xmm0, ptr[&m_local.p.z]);
}
}
if(m_sel.fb)
{
if(m_sel.edge || m_sel.tfx != TFX_NONE)
{
movaps(xmm4, ptr[ebx + offsetof(GSVertexSW, t)]); // v.t
}
if(m_sel.edge)
{
// m_local.temp.cov = GSVector4i::cast(v.t).zzzzh().wwww().srl16(9);
pshufhw(xmm3, xmm4, _MM_SHUFFLE(2, 2, 2, 2));
pshufd(xmm3, xmm3, _MM_SHUFFLE(3, 3, 3, 3));
psrlw(xmm3, 9);
movdqa(ptr[&m_local.temp.cov], xmm3);
}
if(m_sel.tfx != TFX_NONE)
{
if(m_sel.fst)
{
// GSVector4i vti(vt);
cvttps2dq(xmm6, xmm4);
// s = vti.xxxx() + m_local.d[skip].s;
// t = vti.yyyy(); if(!sprite) t += m_local.d[skip].t;
pshufd(xmm2, xmm6, _MM_SHUFFLE(0, 0, 0, 0));
pshufd(xmm3, xmm6, _MM_SHUFFLE(1, 1, 1, 1));
paddd(xmm2, ptr[edx + offsetof(GSScanlineLocalData::skip, s)]);
if(m_sel.prim != GS_SPRITE_CLASS || m_sel.mmin)
{
paddd(xmm3, ptr[edx + offsetof(GSScanlineLocalData::skip, t)]);
}
else
{
if(m_sel.ltf)
{
pshuflw(xmm6, xmm3, _MM_SHUFFLE(2, 2, 0, 0));
pshufhw(xmm6, xmm6, _MM_SHUFFLE(2, 2, 0, 0));
psrlw(xmm6, 12);
movdqa(ptr[&m_local.temp.vf], xmm6);
}
}
movdqa(ptr[&m_local.temp.s], xmm2);
movdqa(ptr[&m_local.temp.t], xmm3);
}
else
{
// s = vt.xxxx() + m_local.d[skip].s;
// t = vt.yyyy() + m_local.d[skip].t;
// q = vt.zzzz() + m_local.d[skip].q;
movaps(xmm2, xmm4);
movaps(xmm3, xmm4);
shufps(xmm2, xmm2, _MM_SHUFFLE(0, 0, 0, 0));
shufps(xmm3, xmm3, _MM_SHUFFLE(1, 1, 1, 1));
shufps(xmm4, xmm4, _MM_SHUFFLE(2, 2, 2, 2));
addps(xmm2, ptr[edx + offsetof(GSScanlineLocalData::skip, s)]);
addps(xmm3, ptr[edx + offsetof(GSScanlineLocalData::skip, t)]);
addps(xmm4, ptr[edx + offsetof(GSScanlineLocalData::skip, q)]);
movaps(ptr[&m_local.temp.s], xmm2);
movaps(ptr[&m_local.temp.t], xmm3);
movaps(ptr[&m_local.temp.q], xmm4);
}
}
if(!(m_sel.tfx == TFX_DECAL && m_sel.tcc))
{
if(m_sel.iip)
{
// GSVector4i vc = GSVector4i(v.c);
cvttps2dq(xmm6, ptr[ebx + offsetof(GSVertexSW, c)]); // v.c
// vc = vc.upl16(vc.zwxy());
pshufd(xmm5, xmm6, _MM_SHUFFLE(1, 0, 3, 2));
punpcklwd(xmm6, xmm5);
// rb = vc.xxxx().add16(m_local.d[skip].rb);
// ga = vc.zzzz().add16(m_local.d[skip].ga);
pshufd(xmm5, xmm6, _MM_SHUFFLE(0, 0, 0, 0));
pshufd(xmm6, xmm6, _MM_SHUFFLE(2, 2, 2, 2));
paddw(xmm5, ptr[edx + offsetof(GSScanlineLocalData::skip, rb)]);
paddw(xmm6, ptr[edx + offsetof(GSScanlineLocalData::skip, ga)]);
movdqa(ptr[&m_local.temp.rb], xmm5);
movdqa(ptr[&m_local.temp.ga], xmm6);
}
else
{
if(m_sel.tfx == TFX_NONE)
{
movdqa(xmm5, ptr[&m_local.c.rb]);
movdqa(xmm6, ptr[&m_local.c.ga]);
}
}
}
}
}
void GSDrawScanlineCodeGenerator::Step()
{
// steps -= 4;
sub(ecx, 4);
// fza_offset++;
add(edi, 8);
if(m_sel.prim != GS_SPRITE_CLASS)
{
// z += m_local.d4.z;
if(m_sel.zb)
{
movaps(xmm0, ptr[&m_local.temp.zo]);
addps(xmm0, ptr[&m_local.d4.z]);
movaps(ptr[&m_local.temp.zo], xmm0);
addps(xmm0, ptr[&m_local.temp.z]);
}
// f = f.add16(m_local.d4.f);
if(m_sel.fwrite && m_sel.fge)
{
movdqa(xmm1, ptr[&m_local.temp.f]);
paddw(xmm1, ptr[&m_local.d4.f]);
movdqa(ptr[&m_local.temp.f], xmm1);
}
}
else
{
if(m_sel.ztest)
{
movdqa(xmm0, ptr[&m_local.p.z]);
}
}
if(m_sel.fb)
{
if(m_sel.tfx != TFX_NONE)
{
if(m_sel.fst)
{
// GSVector4i stq = m_local.d4.stq;
// s += stq.xxxx();
// if(!sprite) t += stq.yyyy();
movdqa(xmm4, ptr[&m_local.d4.stq]);
pshufd(xmm2, xmm4, _MM_SHUFFLE(0, 0, 0, 0));
paddd(xmm2, ptr[&m_local.temp.s]);
movdqa(ptr[&m_local.temp.s], xmm2);
if(m_sel.prim != GS_SPRITE_CLASS || m_sel.mmin)
{
pshufd(xmm3, xmm4, _MM_SHUFFLE(1, 1, 1, 1));
paddd(xmm3, ptr[&m_local.temp.t]);
movdqa(ptr[&m_local.temp.t], xmm3);
}
else
{
movdqa(xmm3, ptr[&m_local.temp.t]);
}
}
else
{
// GSVector4 stq = m_local.d4.stq;
// s += stq.xxxx();
// t += stq.yyyy();
// q += stq.zzzz();
movaps(xmm4, ptr[&m_local.d4.stq]);
movaps(xmm2, xmm4);
movaps(xmm3, xmm4);
shufps(xmm2, xmm2, _MM_SHUFFLE(0, 0, 0, 0));
shufps(xmm3, xmm3, _MM_SHUFFLE(1, 1, 1, 1));
shufps(xmm4, xmm4, _MM_SHUFFLE(2, 2, 2, 2));
addps(xmm2, ptr[&m_local.temp.s]);
addps(xmm3, ptr[&m_local.temp.t]);
addps(xmm4, ptr[&m_local.temp.q]);
movaps(ptr[&m_local.temp.s], xmm2);
movaps(ptr[&m_local.temp.t], xmm3);
movaps(ptr[&m_local.temp.q], xmm4);
}
}
if(!(m_sel.tfx == TFX_DECAL && m_sel.tcc))
{
if(m_sel.iip)
{
// GSVector4i c = m_local.d4.c;
// rb = rb.add16(c.xxxx());
// ga = ga.add16(c.yyyy());
movdqa(xmm7, ptr[&m_local.d4.c]);
pshufd(xmm5, xmm7, _MM_SHUFFLE(0, 0, 0, 0));
pshufd(xmm6, xmm7, _MM_SHUFFLE(1, 1, 1, 1));
paddw(xmm5, ptr[&m_local.temp.rb]);
paddw(xmm6, ptr[&m_local.temp.ga]);
// FIXME: color may underflow and roll over at the end of the line, if decreasing
pxor(xmm7, xmm7);
pmaxsw(xmm5, xmm7);
pmaxsw(xmm6, xmm7);
movdqa(ptr[&m_local.temp.rb], xmm5);
movdqa(ptr[&m_local.temp.ga], xmm6);
}
else
{
if(m_sel.tfx == TFX_NONE)
{
movdqa(xmm5, ptr[&m_local.c.rb]);
movdqa(xmm6, ptr[&m_local.c.ga]);
}
}
}
}
if(!m_sel.notest)
{
// test = m_test[7 + (steps & (steps >> 31))];
mov(edx, ecx);
sar(edx, 31);
and(edx, ecx);
shl(edx, 4);
movdqa(xmm7, ptr[edx + (size_t)&m_test[7]]);
}
}
void GSDrawScanlineCodeGenerator::TestZ(const Xmm& temp1, const Xmm& temp2)
{
if(!m_sel.zb)
{
return;
}
// int za = fza_base.y + fza_offset->y;
mov(ebp, ptr[esi + 4]);
add(ebp, ptr[edi + 4]);
// GSVector4i zs = zi;
if(m_sel.prim != GS_SPRITE_CLASS)
{
if(m_sel.zoverflow)
{
// zs = (GSVector4i(z * 0.5f) << 1) | (GSVector4i(z) & GSVector4i::x00000001());
movaps(temp1, ptr[&GSVector4::m_half]);
mulps(temp1, xmm0);
cvttps2dq(temp1, temp1);
pslld(temp1, 1);
cvttps2dq(xmm0, xmm0);
pcmpeqd(temp2, temp2);
psrld(temp2, 31);
pand(xmm0, temp2);
por(xmm0, temp1);
}
else
{
// zs = GSVector4i(z);
cvttps2dq(xmm0, xmm0);
}
if(m_sel.zwrite)
{
movdqa(ptr[&m_local.temp.zs], xmm0);
}
}
if(m_sel.ztest)
{
ReadPixel(xmm1, ebp);
if(m_sel.zwrite && m_sel.zpsm < 2)
{
movdqa(ptr[&m_local.temp.zd], xmm1);
}
// zd &= 0xffffffff >> m_sel.zpsm * 8;
if(m_sel.zpsm)
{
pslld(xmm1, m_sel.zpsm * 8);
psrld(xmm1, m_sel.zpsm * 8);
}
if(m_sel.zoverflow || m_sel.zpsm == 0)
{
// GSVector4i off = GSVector4i::x80000000();
pcmpeqd(temp1, temp1);
pslld(temp1, 31);
// GSVector4i zso = zs - off;
// GSVector4i zdo = zd - off;
psubd(xmm0, temp1);
psubd(xmm1, temp1);
}
switch(m_sel.ztst)
{
case ZTST_GEQUAL:
// test |= zso < zdo; // ~(zso >= zdo)
pcmpgtd(xmm1, xmm0);
por(xmm7, xmm1);
break;
case ZTST_GREATER: // TODO: tidus hair and chocobo wings only appear fully when this is tested as ZTST_GEQUAL
// test |= zso <= zdo; // ~(zso > zdo)
pcmpgtd(xmm0, xmm1);
pcmpeqd(temp1, temp1);
pxor(xmm0, temp1);
por(xmm7, xmm0);
break;
}
alltrue();
}
}
void GSDrawScanlineCodeGenerator::SampleTexture()
{
if(!m_sel.fb || m_sel.tfx == TFX_NONE)
{
return;
}
mov(ebx, ptr[&m_local.gd->tex[0]]);
if(m_sel.tlu)
{
mov(edx, ptr[&m_local.gd->clut]);
}
// ebx = tex
// edx = clut
if(!m_sel.fst)
{
rcpps(xmm4, xmm4);
mulps(xmm2, xmm4);
mulps(xmm3, xmm4);
cvttps2dq(xmm2, xmm2);
cvttps2dq(xmm3, xmm3);
if(m_sel.ltf)
{
// u -= 0x8000;
// v -= 0x8000;
mov(eax, 0x8000);
movd(xmm4, eax);
pshufd(xmm4, xmm4, _MM_SHUFFLE(0, 0, 0, 0));
psubd(xmm2, xmm4);
psubd(xmm3, xmm4);
}
}
// xmm2 = u
// xmm3 = v
if(m_sel.ltf)
{
// GSVector4i uf = u.xxzzlh().srl16(1);
pshuflw(xmm0, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
pshufhw(xmm0, xmm0, _MM_SHUFFLE(2, 2, 0, 0));
psrlw(xmm0, 12);
movdqa(ptr[&m_local.temp.uf], xmm0);
if(m_sel.prim != GS_SPRITE_CLASS)
{
// GSVector4i vf = v.xxzzlh().srl16(1);
pshuflw(xmm0, xmm3, _MM_SHUFFLE(2, 2, 0, 0));
pshufhw(xmm0, xmm0, _MM_SHUFFLE(2, 2, 0, 0));
psrlw(xmm0, 12);
movdqa(ptr[&m_local.temp.vf], xmm0);
}
}
// GSVector4i uv0 = u.sra32(16).ps32(v.sra32(16));
psrad(xmm2, 16);
psrad(xmm3, 16);
packssdw(xmm2, xmm3);
if(m_sel.ltf)
{
// GSVector4i uv1 = uv0.add16(GSVector4i::x0001());
movdqa(xmm3, xmm2);
pcmpeqd(xmm1, xmm1);
psrlw(xmm1, 15);
paddw(xmm3, xmm1);
// uv0 = Wrap(uv0);
// uv1 = Wrap(uv1);
Wrap(xmm2, xmm3);
}
else
{
// uv0 = Wrap(uv0);
Wrap(xmm2);
}
// xmm2 = uv0
// xmm3 = uv1 (ltf)
// xmm0, xmm1, xmm4, xmm5, xmm6 = free
// xmm7 = used
// GSVector4i y0 = uv0.uph16() << tw;
// GSVector4i x0 = uv0.upl16();
pxor(xmm0, xmm0);
movdqa(xmm4, xmm2);
punpckhwd(xmm2, xmm0);
punpcklwd(xmm4, xmm0);
pslld(xmm2, m_sel.tw + 3);
// xmm0 = 0
// xmm2 = y0
// xmm3 = uv1 (ltf)
// xmm4 = x0
// xmm1, xmm5, xmm6 = free
// xmm7 = used
if(m_sel.ltf)
{
// GSVector4i y1 = uv1.uph16() << tw;
// GSVector4i x1 = uv1.upl16();
movdqa(xmm6, xmm3);
punpckhwd(xmm3, xmm0);
punpcklwd(xmm6, xmm0);
pslld(xmm3, m_sel.tw + 3);
// xmm2 = y0
// xmm3 = y1
// xmm4 = x0
// xmm6 = x1
// xmm0, xmm5, xmm6 = free
// xmm7 = used
// GSVector4i addr00 = y0 + x0;
// GSVector4i addr01 = y0 + x1;
// GSVector4i addr10 = y1 + x0;
// GSVector4i addr11 = y1 + x1;
movdqa(xmm5, xmm2);
paddd(xmm5, xmm4);
paddd(xmm2, xmm6);
movdqa(xmm0, xmm3);
paddd(xmm0, xmm4);
paddd(xmm3, xmm6);
// xmm5 = addr00
// xmm2 = addr01
// xmm0 = addr10
// xmm3 = addr11
// xmm1, xmm4, xmm6 = free
// xmm7 = used
// c00 = addr00.gather32_32((const uint32/uint8*)tex[, clut]);
// c01 = addr01.gather32_32((const uint32/uint8*)tex[, clut]);
// c10 = addr10.gather32_32((const uint32/uint8*)tex[, clut]);
// c11 = addr11.gather32_32((const uint32/uint8*)tex[, clut]);
ReadTexel(4, 0);
// xmm6 = c00
// xmm4 = c01
// xmm1 = c10
// xmm5 = c11
// xmm0, xmm2, xmm3 = free
// xmm7 = used
movdqa(xmm0, ptr[&m_local.temp.uf]);
// GSVector4i rb00 = c00 & mask;
// GSVector4i ga00 = (c00 >> 8) & mask;
movdqa(xmm2, xmm6);
psllw(xmm2, 8);
psrlw(xmm2, 8);
psrlw(xmm6, 8);
// GSVector4i rb01 = c01 & mask;
// GSVector4i ga01 = (c01 >> 8) & mask;
movdqa(xmm3, xmm4);
psllw(xmm3, 8);
psrlw(xmm3, 8);
psrlw(xmm4, 8);
// xmm0 = uf
// xmm2 = rb00
// xmm3 = rb01
// xmm6 = ga00
// xmm4 = ga01
// xmm1 = c10
// xmm5 = c11
// xmm7 = used
// rb00 = rb00.lerp_4(rb01, uf);
// ga00 = ga00.lerp_4(ga01, uf);
lerp16_4(xmm3, xmm2, xmm0);
lerp16_4(xmm4, xmm6, xmm0);
// xmm0 = uf
// xmm3 = rb00
// xmm4 = ga00
// xmm1 = c10
// xmm5 = c11
// xmm2, xmm6 = free
// xmm7 = used
// GSVector4i rb10 = c10 & mask;
// GSVector4i ga10 = (c10 >> 8) & mask;
movdqa(xmm2, xmm1);
psllw(xmm1, 8);
psrlw(xmm1, 8);
psrlw(xmm2, 8);
// GSVector4i rb11 = c11 & mask;
// GSVector4i ga11 = (c11 >> 8) & mask;
movdqa(xmm6, xmm5);
psllw(xmm5, 8);
psrlw(xmm5, 8);
psrlw(xmm6, 8);
// xmm0 = uf
// xmm3 = rb00
// xmm4 = ga00
// xmm1 = rb10
// xmm5 = rb11
// xmm2 = ga10
// xmm6 = ga11
// xmm7 = used
// rb10 = rb10.lerp_4(rb11, uf);
// ga10 = ga10.lerp_4(ga11, uf);
lerp16_4(xmm5, xmm1, xmm0);
lerp16_4(xmm6, xmm2, xmm0);
// xmm3 = rb00
// xmm4 = ga00
// xmm5 = rb10
// xmm6 = ga10
// xmm0, xmm1, xmm2 = free
// xmm7 = used
// rb00 = rb00.lerp_4(rb10, vf);
// ga00 = ga00.lerp_4(ga10, vf);
movdqa(xmm0, ptr[&m_local.temp.vf]);
lerp16_4(xmm5, xmm3, xmm0);
lerp16_4(xmm6, xmm4, xmm0);
}
else
{
// GSVector4i addr00 = y0 + x0;
paddd(xmm2, xmm4);
movdqa(xmm5, xmm2);
// c00 = addr00.gather32_32((const uint32/uint8*)tex[, clut]);
ReadTexel(1, 0);
// GSVector4i mask = GSVector4i::x00ff();
// c[0] = c00 & mask;
// c[1] = (c00 >> 8) & mask;
movdqa(xmm5, xmm6);
psllw(xmm5, 8);
psrlw(xmm5, 8);
psrlw(xmm6, 8);
}
}
void GSDrawScanlineCodeGenerator::Wrap(const Xmm& uv)
{
// xmm0, xmm1, xmm4, xmm5, xmm6 = free
int wms_clamp = ((m_sel.wms + 1) >> 1) & 1;
int wmt_clamp = ((m_sel.wmt + 1) >> 1) & 1;
int region = ((m_sel.wms | m_sel.wmt) >> 1) & 1;
if(wms_clamp == wmt_clamp)
{
if(wms_clamp)
{
if(region)
{
pmaxsw(uv, ptr[&m_local.gd->t.min]);
}
else
{
pxor(xmm0, xmm0);
pmaxsw(uv, xmm0);
}
pminsw(uv, ptr[&m_local.gd->t.max]);
}
else
{