pcsx2/plugins/GSdx/GSSetupPrimCodeGenerator.x6...

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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 "GSSetupPrimCodeGenerator.h"
#include "GSVertexSW.h"
#if _M_SSE >= 0x500 && (defined(_M_AMD64) || defined(_WIN64))
using namespace Xbyak;
void GSSetupPrimCodeGenerator::Generate()
{
sub(rsp, 8 + 2 * 16);
vmovdqa(ptr[rsp + 0], xmm6);
vmovdqa(ptr[rsp + 16], xmm7);
mov(r8, (size_t)&m_local);
if((m_en.z || m_en.f) && !m_sel.sprite || m_en.t || m_en.c && m_sel.iip)
{
mov(rax, (size_t)&m_shift[0]);
for(int i = 0; i < 5; i++)
{
vmovaps(Xmm(3 + i), ptr[rax + i * 16]);
}
}
Depth();
Texture();
Color();
vmovdqa(xmm6, ptr[rsp + 0]);
vmovdqa(xmm7, ptr[rsp + 16]);
add(rsp, 8 + 2 * 16);
ret();
}
void GSSetupPrimCodeGenerator::Depth()
{
if(!m_en.z && !m_en.f)
{
return;
}
if(!m_sel.sprite)
{
// GSVector4 p = dscan.p;
vmovaps(xmm0, ptr[rdx + offsetof(GSVertexSW, p)]);
if(m_en.f)
{
// GSVector4 df = p.wwww();
vshufps(xmm1, xmm0, xmm0, _MM_SHUFFLE(3, 3, 3, 3));
// m_local.d4.f = GSVector4i(df * 4.0f).xxzzlh();
vmulps(xmm2, xmm1, xmm3);
vcvttps2dq(xmm2, xmm2);
vpshuflw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
vpshufhw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, d4.f)], xmm2);
for(int i = 0; i < 4; i++)
{
// m_local.d[i].f = GSVector4i(df * m_shift[i]).xxzzlh();
vmulps(xmm2, xmm1, Xmm(4 + i));
vcvttps2dq(xmm2, xmm2);
vpshuflw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
vpshufhw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, d[i].f)], xmm2);
}
}
if(m_en.z)
{
// GSVector4 dz = p.zzzz();
vshufps(xmm0, xmm0, _MM_SHUFFLE(2, 2, 2, 2));
// m_local.d4.z = dz * 4.0f;
vmulps(xmm1, xmm0, xmm3);
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, d4.z)], xmm1);
for(int i = 0; i < 4; i++)
{
// m_local.d[i].z = dz * m_shift[i];
vmulps(xmm1, xmm0, Xmm(4 + i));
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, d[i].z)], xmm1);
}
}
}
else
{
// GSVector4 p = vertices[0].p;
vmovaps(xmm0, ptr[rcx + offsetof(GSVertexSW, p)]);
if(m_en.f)
{
// m_local.p.f = GSVector4i(p).zzzzh().zzzz();
vcvttps2dq(xmm1, xmm0);
vpshufhw(xmm1, xmm1, _MM_SHUFFLE(2, 2, 2, 2));
vpshufd(xmm1, xmm1, _MM_SHUFFLE(2, 2, 2, 2));
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, p.f)], xmm1);
}
if(m_en.z)
{
// GSVector4 z = p.zzzz();
vshufps(xmm0, xmm0, _MM_SHUFFLE(2, 2, 2, 2));
if(m_sel.zoverflow)
{
// m_local.p.z = (GSVector4i(z * 0.5f) << 1) | (GSVector4i(z) & GSVector4i::x00000001());
mov(r9, (size_t)&GSVector4::m_half);
vbroadcastss(xmm1, ptr[r9]);
vmulps(xmm1, xmm0);
vcvttps2dq(xmm1, xmm1);
vpslld(xmm1, 1);
vcvttps2dq(xmm0, xmm0);
vpcmpeqd(xmm2, xmm2);
vpsrld(xmm2, 31);
vpand(xmm0, xmm2);
vpor(xmm0, xmm1);
}
else
{
// m_local.p.z = GSVector4i(z);
vcvttps2dq(xmm0, xmm0);
}
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, p.z)], xmm0);
}
}
}
void GSSetupPrimCodeGenerator::Texture()
{
if(!m_en.t)
{
return;
}
// GSVector4 t = dscan.t;
vmovaps(xmm0, ptr[rdx + offsetof(GSVertexSW, t)]);
vmulps(xmm1, xmm0, xmm3);
if(m_sel.fst)
{
// m_local.d4.stq = GSVector4i(t * 4.0f);
vcvttps2dq(xmm1, xmm1);
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, d4.stq)], xmm1);
}
else
{
// m_local.d4.stq = t * 4.0f;
vmovaps(ptr[r8 + offsetof(GSScanlineLocalData, d4.stq)], xmm1);
}
for(int j = 0, k = m_sel.fst ? 2 : 3; j < k; j++)
{
// GSVector4 ds = t.xxxx();
// GSVector4 dt = t.yyyy();
// GSVector4 dq = t.zzzz();
vshufps(xmm1, xmm0, xmm0, (uint8)_MM_SHUFFLE(j, j, j, j));
for(int i = 0; i < 4; i++)
{
// GSVector4 v = ds/dt * m_shift[i];
vmulps(xmm2, xmm1, Xmm(4 + i));
if(m_sel.fst)
{
// m_local.d[i].s/t = GSVector4i(v);
vcvttps2dq(xmm2, xmm2);
switch(j)
{
case 0: vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, d[i].s)], xmm2); break;
case 1: vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, d[i].t)], xmm2); break;
}
}
else
{
// m_local.d[i].s/t/q = v;
switch(j)
{
case 0: vmovaps(ptr[r8 + offsetof(GSScanlineLocalData, d[i].s)], xmm2); break;
case 1: vmovaps(ptr[r8 + offsetof(GSScanlineLocalData, d[i].t)], xmm2); break;
case 2: vmovaps(ptr[r8 + offsetof(GSScanlineLocalData, d[i].q)], xmm2); break;
}
}
}
}
}
void GSSetupPrimCodeGenerator::Color()
{
if(!m_en.c)
{
return;
}
if(m_sel.iip)
{
// GSVector4 c = dscan.c;
vmovaps(xmm0, ptr[rdx + offsetof(GSVertexSW, c)]);
// m_local.d4.c = GSVector4i(c * 4.0f).xzyw().ps32();
vmulps(xmm1, xmm0, xmm3);
vcvttps2dq(xmm1, xmm1);
vpshufd(xmm1, xmm1, _MM_SHUFFLE(3, 1, 2, 0));
vpackssdw(xmm1, xmm1);
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, d4.c)], xmm1);
// xmm3 is not needed anymore
// GSVector4 dr = c.xxxx();
// GSVector4 db = c.zzzz();
vshufps(xmm2, xmm0, xmm0, _MM_SHUFFLE(0, 0, 0, 0));
vshufps(xmm3, xmm0, xmm0, _MM_SHUFFLE(2, 2, 2, 2));
for(int i = 0; i < 4; i++)
{
// GSVector4i r = GSVector4i(dr * m_shift[i]).ps32();
vmulps(xmm0, xmm2, Xmm(4 + i));
vcvttps2dq(xmm0, xmm0);
vpackssdw(xmm0, xmm0);
// GSVector4i b = GSVector4i(db * m_shift[i]).ps32();
vmulps(xmm1, xmm3, Xmm(4 + i));
vcvttps2dq(xmm1, xmm1);
vpackssdw(xmm1, xmm1);
// m_local.d[i].rb = r.upl16(b);
vpunpcklwd(xmm0, xmm1);
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, d[i].rb)], xmm0);
}
// GSVector4 c = dscan.c;
vmovaps(xmm0, ptr[rdx + offsetof(GSVertexSW, c)]); // not enough regs, have to reload it
// GSVector4 dg = c.yyyy();
// GSVector4 da = c.wwww();
vshufps(xmm2, xmm0, xmm0, _MM_SHUFFLE(1, 1, 1, 1));
vshufps(xmm3, xmm0, xmm0, _MM_SHUFFLE(3, 3, 3, 3));
for(int i = 0; i < 4; i++)
{
// GSVector4i g = GSVector4i(dg * m_shift[i]).ps32();
vmulps(xmm0, xmm2, Xmm(4 + i));
vcvttps2dq(xmm0, xmm0);
vpackssdw(xmm0, xmm0);
// GSVector4i a = GSVector4i(da * m_shift[i]).ps32();
vmulps(xmm1, xmm3, Xmm(4 + i));
vcvttps2dq(xmm1, xmm1);
vpackssdw(xmm1, xmm1);
// m_local.d[i].ga = g.upl16(a);
vpunpcklwd(xmm0, xmm1);
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, d[i].ga)], xmm0);
}
}
else
{
// GSVector4i c = GSVector4i(vertices[0].c);
vcvttps2dq(xmm0, ptr[rcx + offsetof(GSVertexSW, c)]);
// c = c.upl16(c.zwxy());
vpshufd(xmm1, xmm0, _MM_SHUFFLE(1, 0, 3, 2));
vpunpcklwd(xmm0, xmm1);
// if(!tme) c = c.srl16(7);
if(m_sel.tfx == TFX_NONE)
{
vpsrlw(xmm0, 7);
}
// m_local.c.rb = c.xxxx();
// m_local.c.ga = c.zzzz();
vpshufd(xmm1, xmm0, _MM_SHUFFLE(0, 0, 0, 0));
vpshufd(xmm2, xmm0, _MM_SHUFFLE(2, 2, 2, 2));
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, c.rb)], xmm1);
vmovdqa(ptr[r8 + offsetof(GSScanlineLocalData, c.ga)], xmm2);
}
}
#endif