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Copy pathGSDrawScanlineCodeGenerator.x86.avx2.cpp
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GSDrawScanlineCodeGenerator.x86.avx2.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 >= 0x501 && !(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()
{
//ret(8);
push(ebx);
push(esi);
push(edi);
push(ebp);
//db(0xcc);
Init();
if(!m_sel.edge)
{
align(16);
}
L("loop");
// ecx = steps
// esi = fzbr
// edi = fzbc
// ymm0 = z/zi
// ymm2 = s/u (tme)
// ymm3 = t/v (tme)
// ymm4 = q (tme)
// ymm5 = rb (!tme)
// ymm6 = ga (!tme)
// ymm7 = test
bool tme = m_sel.tfx != TFX_NONE;
TestZ(tme ? ymm5 : ymm2, tme ? ymm6 : ymm3);
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// - ymm0
// ymm2 = s/u (tme)
// ymm3 = t/v (tme)
// ymm4 = q (tme)
// ymm5 = rb (!tme)
// ymm6 = ga (!tme)
// ymm7 = test
if(m_sel.mmin)
{
SampleTextureLOD();
}
else
{
SampleTexture();
}
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// - ymm2
// - ymm3
// - ymm4
// ymm5 = rb
// ymm6 = ga
// ymm7 = test
AlphaTFX();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// ymm2 = gaf (TFX_HIGHLIGHT || TFX_HIGHLIGHT2 && !tcc)
// ymm5 = rb
// ymm6 = ga
// ymm7 = test
ReadMask();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// ymm2 = gaf (TFX_HIGHLIGHT || TFX_HIGHLIGHT2 && !tcc)
// ymm3 = fm
// ymm4 = zm
// ymm5 = rb
// ymm6 = ga
// ymm7 = test
TestAlpha();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// ymm2 = gaf (TFX_HIGHLIGHT || TFX_HIGHLIGHT2 && !tcc)
// ymm3 = fm
// ymm4 = zm
// ymm5 = rb
// ymm6 = ga
// ymm7 = test
ColorTFX();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// ymm3 = fm
// ymm4 = zm
// ymm5 = rb
// ymm6 = ga
// ymm7 = test
Fog();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// ymm3 = fm
// ymm4 = zm
// ymm5 = rb
// ymm6 = ga
// ymm7 = test
ReadFrame();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// ymm2 = fd
// ymm3 = fm
// ymm4 = zm
// ymm5 = rb
// ymm6 = ga
// ymm7 = test
TestDestAlpha();
// ecx = steps
// esi = fzbr
// edi = fzbc
// ebp = za
// ymm2 = fd
// ymm3 = fm
// ymm4 = zm
// ymm5 = rb
// ymm6 = ga
// ymm7 = test
WriteMask();
// ebx = fa
// ecx = steps
// edx = fzm
// esi = fzbr
// edi = fzbc
// ebp = za
// ymm2 = fd
// ymm3 = fm
// ymm4 = zm
// ymm5 = rb
// ymm6 = ga
WriteZBuf();
// ebx = fa
// ecx = steps
// edx = fzm
// esi = fzbr
// edi = fzbc
// - ebp
// ymm2 = fd
// ymm3 = fm
// - ymm4
// ymm5 = rb
// ymm6 = ga
AlphaBlend();
// ebx = fa
// ecx = steps
// edx = fzm
// esi = fzbr
// edi = fzbc
// ymm2 = fd
// ymm3 = fm
// ymm5 = rb
// ymm6 = 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");
pop(ebp);
pop(edi);
pop(esi);
pop(ebx);
ret(8);
}
void GSDrawScanlineCodeGenerator::Init()
{
if(!m_sel.notest)
{
// int skip = left & 7;
mov(ebx, edx);
and(edx, 7);
// int steps = pixels + skip - 8;
lea(ecx, ptr[ecx + edx - 8]);
// left -= skip;
sub(ebx, edx);
// GSVector4i test = m_test[skip] | m_test[15 + (steps & (steps >> 31))];
mov(eax, ecx);
sar(eax, 31);
and(eax, ecx);
vpmovsxbd(ymm7, ptr[edx * 8 + (size_t)&m_test[0]]);
vpmovsxbd(ymm0, ptr[eax * 8 + (size_t)&m_test[15]]);
vpor(ymm7, ymm0);
shl(edx, 5);
}
else
{
mov(ebx, edx); // left
xor(edx, edx); // skip
lea(ecx, ptr[ecx - 8]); // 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)
{
vbroadcastf128(ymm0, ptr[ebx + offsetof(GSVertexSW, p)]); // v.p
if(m_sel.fwrite && m_sel.fge)
{
// f = GSVector8i(vp).zzzzh().zzzz().add16(m_local.d[skip].f);
vcvttps2dq(ymm1, ymm0);
vpshufhw(ymm1, ymm1, _MM_SHUFFLE(2, 2, 2, 2));
vpshufd(ymm1, ymm1, _MM_SHUFFLE(2, 2, 2, 2));
vpaddw(ymm1, ptr[edx + offsetof(GSScanlineLocalData::skip, f)]);
vmovdqa(ptr[&m_local.temp.f], ymm1);
}
if(m_sel.zb)
{
// z = vp.zzzz() + m_local.d[skip].z;
vshufps(ymm0, ymm0, _MM_SHUFFLE(2, 2, 2, 2));
vmovaps(ptr[&m_local.temp.z], ymm0);
vmovaps(ymm2, ptr[edx + offsetof(GSScanlineLocalData::skip, z)]);
vmovaps(ptr[&m_local.temp.zo], ymm2);
vaddps(ymm0, ymm2);
}
}
}
else
{
if(m_sel.ztest)
{
vpbroadcastd(ymm0, ptr[&m_local.p.z]);
}
}
if(m_sel.fb)
{
if(m_sel.edge || m_sel.tfx != TFX_NONE)
{
vbroadcastf128(ymm4, ptr[ebx + offsetof(GSVertexSW, t)]); // v.t
}
if(m_sel.edge)
{
// m_local.temp.cov = GSVector4i::cast(v.t).zzzzh().wwww().srl16(9);
vpshufhw(ymm3, ymm4, _MM_SHUFFLE(2, 2, 2, 2));
vpshufd(ymm3, ymm3, _MM_SHUFFLE(3, 3, 3, 3));
vpsrlw(ymm3, 9);
vmovdqa(ptr[&m_local.temp.cov], ymm3);
}
if(m_sel.tfx != TFX_NONE)
{
if(m_sel.fst)
{
// GSVector4i vti(vt);
vcvttps2dq(ymm6, ymm4);
// s = vti.xxxx() + m_local.d[skip].s;
// t = vti.yyyy(); if(!sprite) t += m_local.d[skip].t;
vpshufd(ymm2, ymm6, _MM_SHUFFLE(0, 0, 0, 0));
vpshufd(ymm3, ymm6, _MM_SHUFFLE(1, 1, 1, 1));
vpaddd(ymm2, ptr[edx + offsetof(GSScanlineLocalData::skip, s)]);
if(m_sel.prim != GS_SPRITE_CLASS || m_sel.mmin)
{
vpaddd(ymm3, ptr[edx + offsetof(GSScanlineLocalData::skip, t)]);
}
else
{
if(m_sel.ltf)
{
vpshuflw(ymm6, ymm3, _MM_SHUFFLE(2, 2, 0, 0));
vpshufhw(ymm6, ymm6, _MM_SHUFFLE(2, 2, 0, 0));
vpsrlw(ymm6, 12);
vmovdqa(ptr[&m_local.temp.vf], ymm6);
}
}
vmovdqa(ptr[&m_local.temp.s], ymm2);
vmovdqa(ptr[&m_local.temp.t], ymm3);
}
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;
vshufps(ymm2, ymm4, ymm4, _MM_SHUFFLE(0, 0, 0, 0));
vshufps(ymm3, ymm4, ymm4, _MM_SHUFFLE(1, 1, 1, 1));
vshufps(ymm4, ymm4, ymm4, _MM_SHUFFLE(2, 2, 2, 2));
vaddps(ymm2, ptr[edx + offsetof(GSScanlineLocalData::skip, s)]);
vaddps(ymm3, ptr[edx + offsetof(GSScanlineLocalData::skip, t)]);
vaddps(ymm4, ptr[edx + offsetof(GSScanlineLocalData::skip, q)]);
vmovaps(ptr[&m_local.temp.s], ymm2);
vmovaps(ptr[&m_local.temp.t], ymm3);
vmovaps(ptr[&m_local.temp.q], ymm4);
}
}
if(!(m_sel.tfx == TFX_DECAL && m_sel.tcc))
{
if(m_sel.iip)
{
// GSVector4i vc = GSVector4i(v.c);
vbroadcastf128(ymm6, ptr[ebx + offsetof(GSVertexSW, c)]); // v.c
vcvttps2dq(ymm6, ymm6);
// vc = vc.upl16(vc.zwxy());
vpshufd(ymm5, ymm6, _MM_SHUFFLE(1, 0, 3, 2));
vpunpcklwd(ymm6, ymm5);
// rb = vc.xxxx().add16(m_local.d[skip].rb);
// ga = vc.zzzz().add16(m_local.d[skip].ga);
vpshufd(ymm5, ymm6, _MM_SHUFFLE(0, 0, 0, 0));
vpshufd(ymm6, ymm6, _MM_SHUFFLE(2, 2, 2, 2));
vpaddw(ymm5, ptr[edx + offsetof(GSScanlineLocalData::skip, rb)]);
vpaddw(ymm6, ptr[edx + offsetof(GSScanlineLocalData::skip, ga)]);
vmovdqa(ptr[&m_local.temp.rb], ymm5);
vmovdqa(ptr[&m_local.temp.ga], ymm6);
}
else
{
if(m_sel.tfx == TFX_NONE)
{
vmovdqa(ymm5, ptr[&m_local.c.rb]);
vmovdqa(ymm6, ptr[&m_local.c.ga]);
}
}
}
}
}
void GSDrawScanlineCodeGenerator::Step()
{
// steps -= 8;
sub(ecx, 8);
// fza_offset += 2;
add(edi, 16);
if(m_sel.prim != GS_SPRITE_CLASS)
{
// zo += GSVector8::broadcast32(&m_local.d8.p.z);
if(m_sel.zb)
{
vbroadcastss(ymm0, ptr[&m_local.d8.p.z]);
vaddps(ymm0, ptr[&m_local.temp.zo]);
vmovaps(ptr[&m_local.temp.zo], ymm0);
vaddps(ymm0, ptr[&m_local.temp.z]);
}
// f = f.add16(GSVector8i::broadcast16(&m_local.d8.p.f));
if(m_sel.fwrite && m_sel.fge)
{
vpbroadcastw(ymm1, ptr[&m_local.d8.p.f]);
vpaddw(ymm1, ptr[&m_local.temp.f]);
vmovdqa(ptr[&m_local.temp.f], ymm1);
}
}
else
{
if(m_sel.ztest)
{
vpbroadcastd(ymm0, ptr[&m_local.p.z]);
}
}
if(m_sel.fb)
{
if(m_sel.tfx != TFX_NONE)
{
if(m_sel.fst)
{
// GSVector8i stq = GSVector8i::cast(GSVector8(m_local.d8.stq));
vbroadcasti128(ymm4, ptr[&m_local.d8.stq]);
// s = GSVector8::cast(GSVector8i::cast(s) + stq.xxxx());
vpshufd(ymm2, ymm4, _MM_SHUFFLE(0, 0, 0, 0));
vpaddd(ymm2, ptr[&m_local.temp.s]);
vmovdqa(ptr[&m_local.temp.s], ymm2);
if(m_sel.prim != GS_SPRITE_CLASS || m_sel.mmin)
{
// t = GSVector8::cast(GSVector8i::cast(t) + stq.yyyy());
vpshufd(ymm3, ymm4, _MM_SHUFFLE(1, 1, 1, 1));
vpaddd(ymm3, ptr[&m_local.temp.t]);
vmovdqa(ptr[&m_local.temp.t], ymm3);
}
else
{
vmovdqa(ymm3, ptr[&m_local.temp.t]);
}
}
else
{
// GSVector8 stq(m_local.d8.stq);
// s += stq.xxxx();
// t += stq.yyyy();
// q += stq.zzzz();
vbroadcastf128(ymm4, ptr[&m_local.d8.stq]);
vshufps(ymm2, ymm4, ymm4, _MM_SHUFFLE(0, 0, 0, 0));
vshufps(ymm3, ymm4, ymm4, _MM_SHUFFLE(1, 1, 1, 1));
vshufps(ymm4, ymm4, ymm4, _MM_SHUFFLE(2, 2, 2, 2));
vaddps(ymm2, ptr[&m_local.temp.s]);
vaddps(ymm3, ptr[&m_local.temp.t]);
vaddps(ymm4, ptr[&m_local.temp.q]);
vmovaps(ptr[&m_local.temp.s], ymm2);
vmovaps(ptr[&m_local.temp.t], ymm3);
vmovaps(ptr[&m_local.temp.q], ymm4);
}
}
if(!(m_sel.tfx == TFX_DECAL && m_sel.tcc))
{
if(m_sel.iip)
{
// GSVector8i c = GSVector8i::broadcast64(&m_local.d8.c);
vpbroadcastq(ymm7, ptr[&m_local.d8.c]);
// rb = rb.add16(c.xxxx()).max_i16(GSVector8i::zero());
// ga = ga.add16(c.yyyy()).max_i16(GSVector8i::zero());
vpshufd(ymm5, ymm7, _MM_SHUFFLE(0, 0, 0, 0));
vpshufd(ymm6, ymm7, _MM_SHUFFLE(1, 1, 1, 1));
vpaddw(ymm5, ptr[&m_local.temp.rb]);
vpaddw(ymm6, ptr[&m_local.temp.ga]);
// FIXME: color may underflow and roll over at the end of the line, if decreasing
vpxor(ymm7, ymm7);
vpmaxsw(ymm5, ymm7);
vpmaxsw(ymm6, ymm7);
vmovdqa(ptr[&m_local.temp.rb], ymm5);
vmovdqa(ptr[&m_local.temp.ga], ymm6);
}
else
{
if(m_sel.tfx == TFX_NONE)
{
vmovdqa(ymm5, ptr[&m_local.c.rb]);
vmovdqa(ymm6, ptr[&m_local.c.ga]);
}
}
}
}
if(!m_sel.notest)
{
// test = m_test[15 + (steps & (steps >> 31))];
mov(edx, ecx);
sar(edx, 31);
and(edx, ecx);
vpmovsxbd(ymm7, ptr[edx * 8 + (size_t)&m_test[15]]);
}
}
void GSDrawScanlineCodeGenerator::TestZ(const Ymm& temp1, const Ymm& temp2)
{
if(!m_sel.zb)
{
return;
}
// int za = fza_base.y + fza_offset->y;
mov(ebp, ptr[esi + 4]);
add(ebp, ptr[edi + 4]);
// GSVector8i zs = zi;
if(m_sel.prim != GS_SPRITE_CLASS)
{
if(m_sel.zoverflow)
{
// zs = (GSVector8i(z * 0.5f) << 1) | (GSVector8i(z) & GSVector8i::x00000001());
vbroadcastss(temp1, ptr[&GSVector8::m_half]);
vmulps(temp1, ymm0);
vcvttps2dq(temp1, temp1);
vpslld(temp1, 1);
vcvttps2dq(ymm0, ymm0);
vpcmpeqd(temp2, temp2);
vpsrld(temp2, 31);
vpand(ymm0, temp2);
vpor(ymm0, temp1);
}
else
{
// zs = GSVector8i(z);
vcvttps2dq(ymm0, ymm0);
}
if(m_sel.zwrite)
{
vmovdqa(ptr[&m_local.temp.zs], ymm0);
}
}
if(m_sel.ztest)
{
ReadPixel(ymm1, temp1, ebp);
if(m_sel.zwrite && m_sel.zpsm < 2)
{
vmovdqa(ptr[&m_local.temp.zd], ymm1);
}
// zd &= 0xffffffff >> m_sel.zpsm * 8;
if(m_sel.zpsm)
{
vpslld(ymm1, (uint8)(m_sel.zpsm * 8));
vpsrld(ymm1, (uint8)(m_sel.zpsm * 8));
}
if(m_sel.zoverflow || m_sel.zpsm == 0)
{
// GSVector8i off = GSVector8i::x80000000();
vpcmpeqd(temp1, temp1);
vpslld(temp1, 31);
// GSVector8i zso = zs - off;
// GSVector8i zdo = zd - off;
vpsubd(ymm0, temp1);
vpsubd(ymm1, temp1);
}
switch(m_sel.ztst)
{
case ZTST_GEQUAL:
// test |= zso < zdo; // ~(zso >= zdo)
vpcmpgtd(ymm1, ymm0);
vpor(ymm7, ymm1);
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)
vpcmpgtd(ymm0, ymm1);
vpcmpeqd(temp1, temp1);
vpxor(ymm0, temp1);
vpor(ymm7, ymm0);
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)
{
vrcpps(ymm0, ymm4);
vmulps(ymm2, ymm0);
vmulps(ymm3, ymm0);
vcvttps2dq(ymm2, ymm2);
vcvttps2dq(ymm3, ymm3);
if(m_sel.ltf)
{
// u -= 0x8000;
// v -= 0x8000;
mov(eax, 0x8000);
vmovd(xmm4, eax);
vpbroadcastd(ymm4, xmm4);
vpsubd(ymm2, ymm4);
vpsubd(ymm3, ymm4);
}
}
// ymm2 = u
// ymm3 = v
if(m_sel.ltf)
{
// GSVector8i uf = u.xxzzlh().srl16(1);
vpshuflw(ymm0, ymm2, _MM_SHUFFLE(2, 2, 0, 0));
vpshufhw(ymm0, ymm0, _MM_SHUFFLE(2, 2, 0, 0));
vpsrlw(ymm0, 12);
vmovdqa(ptr[&m_local.temp.uf], ymm0);
if(m_sel.prim != GS_SPRITE_CLASS)
{
// GSVector8i vf = v.xxzzlh().srl16(1);
vpshuflw(ymm0, ymm3, _MM_SHUFFLE(2, 2, 0, 0));
vpshufhw(ymm0, ymm0, _MM_SHUFFLE(2, 2, 0, 0));
vpsrlw(ymm0, 12);
vmovdqa(ptr[&m_local.temp.vf], ymm0);
}
}
// GSVector8i uv0 = u.sra32(16).ps32(v.sra32(16));
vpsrad(ymm2, 16);
vpsrad(ymm3, 16);
vpackssdw(ymm2, ymm3);
if(m_sel.ltf)
{
// GSVector8i uv1 = uv0.add16(GSVector8i::x0001());
vpcmpeqd(ymm1, ymm1);
vpsrlw(ymm1, 15);
vpaddw(ymm3, ymm2, ymm1);
// uv0 = Wrap(uv0);
// uv1 = Wrap(uv1);
Wrap(ymm2, ymm3);
}
else
{
// uv0 = Wrap(uv0);
Wrap(ymm2);
}
// ymm2 = uv0
// ymm3 = uv1 (ltf)
// ymm0, ymm1, ymm4, ymm5, ymm6 = free
// ymm7 = used
// GSVector8i y0 = uv0.uph16() << tw;
// GSVector8i x0 = uv0.upl16();
vpxor(ymm0, ymm0);
vpunpcklwd(ymm4, ymm2, ymm0);
vpunpckhwd(ymm2, ymm2, ymm0);
vpslld(ymm2, (uint8)(m_sel.tw + 3));
// ymm0 = 0
// ymm2 = y0
// ymm3 = uv1 (ltf)
// ymm4 = x0
// ymm1, ymm5, ymm6 = free
// ymm7 = used
if(m_sel.ltf)
{
// GSVector8i y1 = uv1.uph16() << tw;
// GSVector8i x1 = uv1.upl16();
vpunpcklwd(ymm6, ymm3, ymm0);
vpunpckhwd(ymm3, ymm3, ymm0);
vpslld(ymm3, (uint8)(m_sel.tw + 3));
// ymm2 = y0
// ymm3 = y1
// ymm4 = x0
// ymm6 = x1
// ymm0, ymm5, ymm6 = free
// ymm7 = used
// GSVector8i addr00 = y0 + x0;
// GSVector8i addr01 = y0 + x1;
// GSVector8i addr10 = y1 + x0;
// GSVector8i addr11 = y1 + x1;
vpaddd(ymm5, ymm2, ymm4);
vpaddd(ymm2, ymm2, ymm6);
vpaddd(ymm0, ymm3, ymm4);
vpaddd(ymm3, ymm3, ymm6);
// ymm5 = addr00
// ymm2 = addr01
// ymm0 = addr10
// ymm3 = addr11
// ymm1, ymm4, ymm6 = free
// ymm7 = 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);
// ymm6 = c00
// ymm4 = c01
// ymm1 = c10
// ymm5 = c11
// ymm0, ymm2, ymm3 = free
// ymm7 = used
vmovdqa(ymm0, ptr[&m_local.temp.uf]);
// GSVector8i rb00 = c00 & mask;
// GSVector8i ga00 = (c00 >> 8) & mask;
vpsllw(ymm2, ymm6, 8);
vpsrlw(ymm2, 8);
vpsrlw(ymm6, 8);
// GSVector8i rb01 = c01 & mask;
// GSVector8i ga01 = (c01 >> 8) & mask;
vpsllw(ymm3, ymm4, 8);
vpsrlw(ymm3, 8);
vpsrlw(ymm4, 8);
// ymm0 = uf
// ymm2 = rb00
// ymm3 = rb01
// ymm6 = ga00
// ymm4 = ga01
// ymm1 = c10
// ymm5 = c11
// ymm7 = used
// rb00 = rb00.lerp16_4(rb01, uf);
// ga00 = ga00.lerp16_4(ga01, uf);
lerp16_4(ymm3, ymm2, ymm0);
lerp16_4(ymm4, ymm6, ymm0);
// ymm0 = uf
// ymm3 = rb00
// ymm4 = ga00
// ymm1 = c10
// ymm5 = c11
// ymm2, ymm6 = free
// ymm7 = used
// GSVector8i rb10 = c10 & mask;
// GSVector8i ga10 = (c10 >> 8) & mask;
vpsrlw(ymm2, ymm1, 8);
vpsllw(ymm1, 8);
vpsrlw(ymm1, 8);
// GSVector8i rb11 = c11 & mask;
// GSVector8i ga11 = (c11 >> 8) & mask;
vpsrlw(ymm6, ymm5, 8);
vpsllw(ymm5, 8);
vpsrlw(ymm5, 8);
// ymm0 = uf
// ymm3 = rb00
// ymm4 = ga00
// ymm1 = rb10
// ymm5 = rb11
// ymm2 = ga10
// ymm6 = ga11
// ymm7 = used
// rb10 = rb10.lerp16_4(rb11, uf);
// ga10 = ga10.lerp16_4(ga11, uf);
lerp16_4(ymm5, ymm1, ymm0);
lerp16_4(ymm6, ymm2, ymm0);
// ymm3 = rb00
// ymm4 = ga00
// ymm5 = rb10
// ymm6 = ga10
// ymm0, ymm1, ymm2 = free
// ymm7 = used
// rb00 = rb00.lerp16_4(rb10, vf);
// ga00 = ga00.lerp16_4(ga10, vf);
vmovdqa(ymm0, ptr[&m_local.temp.vf]);
lerp16_4(ymm5, ymm3, ymm0);
lerp16_4(ymm6, ymm4, ymm0);
}
else
{
// GSVector8i addr00 = y0 + x0;
vpaddd(ymm5, ymm2, ymm4);
// c00 = addr00.gather32_32((const uint32/uint8*)tex[, clut]);
ReadTexel(1, 0);
// GSVector8i mask = GSVector8i::x00ff();
// c[0] = c00 & mask;
// c[1] = (c00 >> 8) & mask;
vpsllw(ymm5, ymm6, 8);
vpsrlw(ymm5, 8);
vpsrlw(ymm6, 8);
}
}
void GSDrawScanlineCodeGenerator::Wrap(const Ymm& uv)
{
// ymm0, ymm1, ymm4, ymm5, ymm6 = 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)
{
vbroadcasti128(ymm0, ptr[&m_local.gd->t.min]);
vpmaxsw(uv, ymm0);
}
else
{
vpxor(ymm0, ymm0);
vpmaxsw(uv, ymm0);
}
vbroadcasti128(ymm0, ptr[&m_local.gd->t.max]);
vpminsw(uv, ymm0);
}
else
{
vbroadcasti128(ymm0, ptr[&m_local.gd->t.min]);
vpand(uv, ymm0);
if(region)
{
vbroadcasti128(ymm0, ptr[&m_local.gd->t.max]);
vpor(uv, ymm0);
}
}
}
else
{
vbroadcasti128(ymm4, ptr[&m_local.gd->t.min]);