mirror of https://github.com/PCSX2/pcsx2.git
357 lines
7.5 KiB
C++
357 lines
7.5 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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static const int _args = 0;
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static const int _vertex = _args + 4;
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static const int _index = _args + 8;
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static const int _dscan = _args + 12;
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void GSSetupPrimCodeGenerator::Generate()
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{
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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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mov(edx, dword[esp + _dscan]);
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for(int i = 0; i < (m_sel.notest ? 2 : 5); i++)
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{
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movaps(Xmm(3 + i), ptr[&m_shift[i]]);
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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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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[edx + 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[&m_local.d4.f], xmm2);
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for(int i = 0; i < (m_sel.notest ? 1 : 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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movdqa(ptr[&m_local.d[i].f], 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[&m_local.d4.z], xmm1);
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for(int i = 0; i < (m_sel.notest ? 1 : 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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movdqa(ptr[&m_local.d[i].z], 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 = vertex[index[1]].p;
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mov(ecx, ptr[esp + _index]);
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mov(ecx, ptr[ecx + sizeof(uint32) * 1]);
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shl(ecx, 6); // * sizeof(GSVertexSW)
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add(ecx, ptr[esp + _vertex]);
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movaps(xmm0, ptr[ecx + 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[&m_local.p.f], xmm1);
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}
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if(m_en.z)
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{
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// uint32 z is bypassed in t.w
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movdqa(xmm0, ptr[ecx + offsetof(GSVertexSW, t)]);
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pshufd(xmm0, xmm0, _MM_SHUFFLE(3, 3, 3, 3));
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movdqa(ptr[&m_local.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[edx + 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[&m_local.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[&m_local.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 < (m_sel.notest ? 1 : 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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switch(j)
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{
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case 0: movdqa(ptr[&m_local.d[i].s], xmm2); break;
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case 1: movdqa(ptr[&m_local.d[i].t], 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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switch(j)
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{
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case 0: movaps(ptr[&m_local.d[i].s], xmm2); break;
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case 1: movaps(ptr[&m_local.d[i].t], xmm2); break;
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case 2: movaps(ptr[&m_local.d[i].q], 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[edx + 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[&m_local.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 < (m_sel.notest ? 1 : 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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movdqa(ptr[&m_local.d[i].rb], xmm2);
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}
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// GSVector4 c = dscan.c;
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movaps(xmm0, ptr[edx + 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 < (m_sel.notest ? 1 : 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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movdqa(ptr[&m_local.d[i].ga], 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(vertex[index[last].c);
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int last = 0;
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switch(m_sel.prim)
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{
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case GS_POINT_CLASS: last = 0; break;
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case GS_LINE_CLASS: last = 1; break;
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case GS_TRIANGLE_CLASS: last = 2; break;
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case GS_SPRITE_CLASS: last = 1; break;
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}
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if(!(m_sel.prim == GS_SPRITE_CLASS && (m_en.z || m_en.f))) // if this is a sprite, the last vertex was already loaded in Depth()
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{
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mov(ecx, ptr[esp + _index]);
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mov(ecx, ptr[ecx + sizeof(uint32) * last]);
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shl(ecx, 6); // * sizeof(GSVertexSW)
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add(ecx, ptr[esp + _vertex]);
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}
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cvttps2dq(xmm0, ptr[ecx + 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[&m_local.c.rb], xmm1);
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movdqa(ptr[&m_local.c.ga], xmm2);
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}
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}
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#endif |