mirror of https://github.com/PCSX2/pcsx2.git
381 lines
8.5 KiB
C++
381 lines
8.5 KiB
C++
/*
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* Copyright (C) 2007-2009 Gabest
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* http://www.gabest.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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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. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#include "stdafx.h"
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#include "GSSetupPrimCodeGenerator.h"
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#include "GSVertexSW.h"
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#if _M_SSE < 0x500 && (defined(_M_AMD64) || defined(_WIN64))
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using namespace Xbyak;
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void GSSetupPrimCodeGenerator::Generate()
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{
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sub(rsp, 8 + 2 * 16);
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vmovdqa(ptr[rsp + 0], xmm6);
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vmovdqa(ptr[rsp + 16], xmm7);
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mov(r8, (size_t)&m_local);
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if((m_en.z || m_en.f) && m_sel.prim != GS_SPRITE_CLASS || m_en.t || m_en.c && m_sel.iip)
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{
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for(int i = 0; i < 5; i++)
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{
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movaps(Xmm(3 + i), ptr[rax + i * 16]);
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}
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}
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Depth();
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Texture();
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Color();
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vmovdqa(xmm6, ptr[rsp + 0]);
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vmovdqa(xmm7, ptr[rsp + 16]);
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add(rsp, 8 + 2 * 16);
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ret();
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}
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void GSSetupPrimCodeGenerator::Depth()
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{
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if(!m_en.z && !m_en.f)
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{
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return;
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}
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if(m_sel.prim != GS_SPRITE_CLASS)
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{
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// GSVector4 p = dscan.p;
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movaps(xmm0, ptr[rdx + offsetof(GSVertexSW, p)]);
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if(m_en.f)
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{
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// GSVector4 df = p.wwww();
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movaps(xmm1, xmm0);
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shufps(xmm1, xmm1, _MM_SHUFFLE(3, 3, 3, 3));
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// m_local.d4.f = GSVector4i(df * 4.0f).xxzzlh();
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movaps(xmm2, xmm1);
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mulps(xmm2, xmm3);
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cvttps2dq(xmm2, xmm2);
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pshuflw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
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pshufhw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
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movdqa(ptr[r8 + offsetof(GSScanlineLocalData, d4.f)], xmm2);
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for(int i = 0; i < 4; i++)
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{
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// m_local.d[i].f = GSVector4i(df * m_shift[i]).xxzzlh();
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movaps(xmm2, xmm1);
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mulps(xmm2, Xmm(4 + i));
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cvttps2dq(xmm2, xmm2);
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pshuflw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
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pshufhw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
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const size_t variableOffset = offsetof(GSScanlineLocalData, d[0].f) + (i * sizeof(GSScanlineLocalData::d[0]));
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movdqa(ptr[r8 + variableOffset], xmm2);
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}
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}
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if(m_en.z)
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{
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// GSVector4 dz = p.zzzz();
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shufps(xmm0, xmm0, _MM_SHUFFLE(2, 2, 2, 2));
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// m_local.d4.z = dz * 4.0f;
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movaps(xmm1, xmm0);
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mulps(xmm1, xmm3);
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movdqa(ptr[r8 + offsetof(GSScanlineLocalData, d4.z)], xmm1);
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for(int i = 0; i < 4; i++)
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{
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// m_local.d[i].z = dz * m_shift[i];
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movaps(xmm1, xmm0);
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mulps(xmm1, Xmm(4 + i));
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const size_t variableOffset = offsetof(GSScanlineLocalData, d[0].z) + (i * sizeof(GSScanlineLocalData::d[0]));
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movdqa(ptr[r8 + variableOffset], xmm1);
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}
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}
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}
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else
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{
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// GSVector4 p = vertices[0].p;
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movaps(xmm0, ptr[rcx + offsetof(GSVertexSW, p)]);
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if(m_en.f)
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{
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// m_local.p.f = GSVector4i(p).zzzzh().zzzz();
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cvttps2dq(xmm1, xmm0);
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pshufhw(xmm1, xmm1, _MM_SHUFFLE(2, 2, 2, 2));
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pshufd(xmm1, xmm1, _MM_SHUFFLE(2, 2, 2, 2));
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movdqa(ptr[r8 + offsetof(GSScanlineLocalData, p.f)], xmm1);
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}
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if(m_en.z)
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{
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// GSVector4 z = p.zzzz();
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shufps(xmm0, xmm0, _MM_SHUFFLE(2, 2, 2, 2));
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if(m_sel.zoverflow)
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{
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// m_local.p.z = (GSVector4i(z * 0.5f) << 1) | (GSVector4i(z) & GSVector4i::x00000001());
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mov(r9, (size_t)&GSVector4::m_half);
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movss(xmm1, ptr[r9]);
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shufps(xmm1, xmm1, _MM_SHUFFLE(0, 0, 0, 0));
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mulps(xmm1, xmm0);
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cvttps2dq(xmm1, xmm1);
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pslld(xmm1, 1);
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cvttps2dq(xmm0, xmm0);
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pcmpeqd(xmm2, xmm2);
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psrld(xmm2, 31);
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pand(xmm0, xmm2);
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por(xmm0, xmm1);
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}
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else
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{
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// m_local.p.z = GSVector4i(z);
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cvttps2dq(xmm0, xmm0);
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}
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movdqa(ptr[r8 + offsetof(GSScanlineLocalData, p.z)], xmm0);
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}
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}
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}
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void GSSetupPrimCodeGenerator::Texture()
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{
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if(!m_en.t)
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{
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return;
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}
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// GSVector4 t = dscan.t;
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movaps(xmm0, ptr[rdx + offsetof(GSVertexSW, t)]);
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movaps(xmm1, xmm0);
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mulps(xmm1, xmm3);
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if(m_sel.fst)
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{
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// m_local.d4.stq = GSVector4i(t * 4.0f);
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cvttps2dq(xmm1, xmm1);
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movdqa(ptr[r8 + offsetof(GSScanlineLocalData, d4.stq)], xmm1);
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}
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else
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{
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// m_local.d4.stq = t * 4.0f;
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movaps(ptr[r8 + offsetof(GSScanlineLocalData, d4.stq)], xmm1);
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}
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for(int j = 0, k = m_sel.fst ? 2 : 3; j < k; j++)
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{
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// GSVector4 ds = t.xxxx();
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// GSVector4 dt = t.yyyy();
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// GSVector4 dq = t.zzzz();
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movaps(xmm1, xmm0);
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shufps(xmm1, xmm1, (uint8)_MM_SHUFFLE(j, j, j, j));
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for(int i = 0; i < 4; i++)
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{
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// GSVector4 v = ds/dt * m_shift[i];
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movaps(xmm2, xmm1);
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mulps(xmm2, Xmm(4 + i));
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if(m_sel.fst)
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{
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// m_local.d[i].s/t = GSVector4i(v);
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cvttps2dq(xmm2, xmm2);
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const size_t variableOffsetS = offsetof(GSScanlineLocalData, d[0].s) + (i * sizeof(GSScanlineLocalData::d[0]));
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const size_t variableOffsetT = offsetof(GSScanlineLocalData, d[0].t) + (i * sizeof(GSScanlineLocalData::d[0]));
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switch(j)
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{
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case 0: movdqa(ptr[r8 + variableOffsetS], xmm2); break;
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case 1: movdqa(ptr[r8 + variableOffsetT], xmm2); break;
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}
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}
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else
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{
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// m_local.d[i].s/t/q = v;
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const size_t variableOffsetS = offsetof(GSScanlineLocalData, d[0].s) + (i * sizeof(GSScanlineLocalData::d[0]));
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const size_t variableOffsetT = offsetof(GSScanlineLocalData, d[0].t) + (i * sizeof(GSScanlineLocalData::d[0]));
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const size_t variableOffsetQ = offsetof(GSScanlineLocalData, d[0].q) + (i * sizeof(GSScanlineLocalData::d[0]));
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switch(j)
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{
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case 0: movaps(ptr[r8 + variableOffsetS], xmm2); break;
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case 1: movaps(ptr[r8 + variableOffsetT], xmm2); break;
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case 2: movaps(ptr[r8 + variableOffsetQ], xmm2); break;
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}
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}
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}
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}
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}
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void GSSetupPrimCodeGenerator::Color()
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{
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if(!m_en.c)
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{
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return;
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}
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if(m_sel.iip)
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{
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// GSVector4 c = dscan.c;
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movaps(xmm0, ptr[rdx + offsetof(GSVertexSW, c)]);
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movaps(xmm1, xmm0);
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// m_local.d4.c = GSVector4i(c * 4.0f).xzyw().ps32();
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movaps(xmm2, xmm0);
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mulps(xmm2, xmm3);
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cvttps2dq(xmm2, xmm2);
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pshufd(xmm2, xmm2, _MM_SHUFFLE(3, 1, 2, 0));
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packssdw(xmm2, xmm2);
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movdqa(ptr[r8 + offsetof(GSScanlineLocalData, d4.c)], xmm2);
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// xmm3 is not needed anymore
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// GSVector4 dr = c.xxxx();
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// GSVector4 db = c.zzzz();
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shufps(xmm0, xmm0, _MM_SHUFFLE(0, 0, 0, 0));
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shufps(xmm1, xmm1, _MM_SHUFFLE(2, 2, 2, 2));
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for(int i = 0; i < 4; i++)
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{
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// GSVector4i r = GSVector4i(dr * m_shift[i]).ps32();
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movaps(xmm2, xmm0);
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mulps(xmm2, Xmm(4 + i));
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cvttps2dq(xmm2, xmm2);
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packssdw(xmm2, xmm2);
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// GSVector4i b = GSVector4i(db * m_shift[i]).ps32();
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movaps(xmm3, xmm1);
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mulps(xmm3, Xmm(4 + i));
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cvttps2dq(xmm3, xmm3);
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packssdw(xmm3, xmm3);
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// m_local.d[i].rb = r.upl16(b);
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punpcklwd(xmm2, xmm3);
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const size_t variableOffset = offsetof(GSScanlineLocalData, d[0].rb) + (i * sizeof(GSScanlineLocalData::d[0]));
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movdqa(ptr[r8 + variableOffset], xmm2);
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}
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// GSVector4 c = dscan.c;
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movaps(xmm0, ptr[rdx + offsetof(GSVertexSW, c)]); // not enough regs, have to reload it
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movaps(xmm1, xmm0);
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// GSVector4 dg = c.yyyy();
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// GSVector4 da = c.wwww();
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shufps(xmm0, xmm0, _MM_SHUFFLE(1, 1, 1, 1));
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shufps(xmm1, xmm1, _MM_SHUFFLE(3, 3, 3, 3));
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for(int i = 0; i < 4; i++)
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{
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// GSVector4i g = GSVector4i(dg * m_shift[i]).ps32();
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movaps(xmm2, xmm0);
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mulps(xmm2, Xmm(4 + i));
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cvttps2dq(xmm2, xmm2);
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packssdw(xmm2, xmm2);
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// GSVector4i a = GSVector4i(da * m_shift[i]).ps32();
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movaps(xmm3, xmm1);
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mulps(xmm3, Xmm(4 + i));
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cvttps2dq(xmm3, xmm3);
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packssdw(xmm3, xmm3);
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// m_local.d[i].ga = g.upl16(a);
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punpcklwd(xmm2, xmm3);
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const size_t variableOffset = offsetof(GSScanlineLocalData, d[0].ga) + (i * sizeof(GSScanlineLocalData::d[0]));
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movdqa(ptr[r8 + variableOffset], xmm2);
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}
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}
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else
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{
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// GSVector4i c = GSVector4i(vertices[0].c);
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cvttps2dq(xmm0, ptr[rcx + offsetof(GSVertexSW, c)]);
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// c = c.upl16(c.zwxy());
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pshufd(xmm1, xmm0, _MM_SHUFFLE(1, 0, 3, 2));
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punpcklwd(xmm0, xmm1);
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// if(!tme) c = c.srl16(7);
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if(m_sel.tfx == TFX_NONE)
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{
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psrlw(xmm0, 7);
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}
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// m_local.c.rb = c.xxxx();
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// m_local.c.ga = c.zzzz();
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pshufd(xmm1, xmm0, _MM_SHUFFLE(0, 0, 0, 0));
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pshufd(xmm2, xmm0, _MM_SHUFFLE(2, 2, 2, 2));
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movdqa(ptr[r8 + offsetof(GSScanlineLocalData, c.rb)], xmm1);
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movdqa(ptr[r8 + offsetof(GSScanlineLocalData, c.ga)], xmm2);
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}
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}
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#endif
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