pcsx2/plugins/GSdx/GSSetupPrimCodeGenerator.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, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
// TODO: x64
#include "StdAfx.h"
#include "GSSetupPrimCodeGenerator.h"
GSSetupPrimCodeGenerator::GSSetupPrimCodeGenerator(GSScanlineEnvironment& env, uint64 key, void* ptr, size_t maxsize)
: CodeGenerator(maxsize, ptr)
, m_env(env)
{
m_sel.key = key;
m_en.z = m_sel.zb ? 1 : 0;
m_en.f = m_sel.fb && m_sel.fge ? 1 : 0;
m_en.t = m_sel.fb && m_sel.tfx != TFX_NONE ? 1 : 0;
m_en.c = m_sel.fb && !(m_sel.tfx == TFX_DECAL && m_sel.tcc) ? 1 : 0;
#if _M_AMD64
#error TODO
#endif
Generate();
}
void GSSetupPrimCodeGenerator::Generate()
{
if((m_en.z || m_en.f) && !m_sel.sprite || m_en.t || m_en.c && m_sel.iip)
{
for(int i = 0; i < 5; i++)
{
movaps(Xmm(3 + i), xmmword[&m_shift[i]]);
}
}
Depth();
Texture();
Color();
ret();
}
void GSSetupPrimCodeGenerator::Depth()
{
if(!m_en.z && !m_en.f)
{
return;
}
if(!m_sel.sprite)
{
// GSVector4 t = dscan.p;
movaps(xmm0, xmmword[edx + 16]);
if(m_en.f)
{
// GSVector4 df = p.wwww();
movaps(xmm1, xmm0);
shufps(xmm1, xmm1, _MM_SHUFFLE(3, 3, 3, 3));
// m_env.d4.f = GSVector4i(df * 4.0f).xxzzlh();
movaps(xmm2, xmm1);
mulps(xmm2, xmm3);
cvttps2dq(xmm2, xmm2);
pshuflw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
pshufhw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
movdqa(xmmword[&m_env.d4.f], xmm2);
for(int i = 0; i < 4; i++)
{
// m_env.d[i].f = GSVector4i(df * m_shift[i]).xxzzlh();
movaps(xmm2, xmm1);
mulps(xmm2, Xmm(4 + i));
cvttps2dq(xmm2, xmm2);
pshuflw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
pshufhw(xmm2, xmm2, _MM_SHUFFLE(2, 2, 0, 0));
movdqa(xmmword[&m_env.d[i].f], xmm2);
}
}
if(m_en.z)
{
// GSVector4 dz = p.zzzz();
shufps(xmm0, xmm0, _MM_SHUFFLE(2, 2, 2, 2));
// m_env.d4.z = dz * 4.0f;
movaps(xmm1, xmm0);
mulps(xmm1, xmm3);
movdqa(xmmword[&m_env.d4.z], xmm1);
for(int i = 0; i < 4; i++)
{
// m_env.d[i].z = dz * m_shift[i];
movaps(xmm1, xmm0);
mulps(xmm1, Xmm(4 + i));
movdqa(xmmword[&m_env.d[i].z], xmm1);
}
}
}
else
{
// GSVector4 p = vertices[0].p;
movaps(xmm0, xmmword[ecx + 16]);
if(m_en.f)
{
// m_env.p.f = GSVector4i(p).zzzzh().zzzz();
movaps(xmm1, xmm0);
cvttps2dq(xmm1, xmm1);
pshufhw(xmm1, xmm1, _MM_SHUFFLE(2, 2, 2, 2));
pshufd(xmm1, xmm1, _MM_SHUFFLE(2, 2, 2, 2));
movdqa(xmmword[&m_env.p.f], xmm1);
}
if(m_en.z)
{
// GSVector4 z = p.zzzz();
shufps(xmm0, xmm0, _MM_SHUFFLE(2, 2, 2, 2));
if(m_sel.zoverflow)
{
// m_env.p.z = (GSVector4i(z * 0.5f) << 1) | (GSVector4i(z) & GSVector4i::x00000001());
static const float half = 0.5f;
movss(xmm1, dword[&half]);
shufps(xmm1, xmm1, _MM_SHUFFLE(0, 0, 0, 0));
mulps(xmm1, xmm0);
cvttps2dq(xmm1, xmm1);
pslld(xmm1, 1);
cvttps2dq(xmm0, xmm0);
pcmpeqd(xmm2, xmm2);
psrld(xmm2, 31);
pand(xmm0, xmm2);
por(xmm0, xmm1);
}
else
{
// m_env.p.z = GSVector4i(z);
cvttps2dq(xmm0, xmm0);
}
movdqa(xmmword[&m_env.p.z], xmm0);
}
}
}
void GSSetupPrimCodeGenerator::Texture()
{
if(!m_en.t)
{
return;
}
// GSVector4 t = dscan.t;
movaps(xmm0, xmmword[edx + 32]);
movaps(xmm1, xmm0);
mulps(xmm1, xmm3);
if(m_sel.fst)
{
// m_env.d4.st = GSVector4i(t * 4.0f);
cvttps2dq(xmm1, xmm1);
movdqa(xmmword[&m_env.d4.st], xmm1);
}
else
{
// m_env.d4.stq = t * 4.0f;
movaps(xmmword[&m_env.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();
movaps(xmm1, xmm0);
shufps(xmm1, xmm1, (uint8)_MM_SHUFFLE(j, j, j, j));
for(int i = 0; i < 4; i++)
{
// GSVector4 v = ds/dt * m_shift[i];
movaps(xmm2, xmm1);
mulps(xmm2, Xmm(4 + i));
if(m_sel.fst)
{
// m_env.d[i].si/ti = GSVector4i(v);
cvttps2dq(xmm2, xmm2);
switch(j)
{
case 0: movdqa(xmmword[&m_env.d[i].si], xmm2); break;
case 1: movdqa(xmmword[&m_env.d[i].ti], xmm2); break;
}
}
else
{
// m_env.d[i].s/t/q = v;
switch(j)
{
case 0: movaps(xmmword[&m_env.d[i].s], xmm2); break;
case 1: movaps(xmmword[&m_env.d[i].t], xmm2); break;
case 2: movaps(xmmword[&m_env.d[i].q], xmm2); break;
}
}
}
}
}
void GSSetupPrimCodeGenerator::Color()
{
if(!m_en.c)
{
return;
}
if(m_sel.iip)
{
// GSVector4 c = dscan.c;
movaps(xmm0, xmmword[edx]);
movaps(xmm1, xmm0);
// m_env.d4.c = GSVector4i(c * 4.0f).xzyw().ps32();
movaps(xmm2, xmm0);
mulps(xmm2, xmm3);
cvttps2dq(xmm2, xmm2);
pshufd(xmm2, xmm2, _MM_SHUFFLE(3, 1, 2, 0));
packssdw(xmm2, xmm2);
movdqa(xmmword[&m_env.d4.c], xmm2);
// xmm3 is not needed anymore
// GSVector4 dr = c.xxxx();
// GSVector4 db = c.zzzz();
shufps(xmm0, xmm0, _MM_SHUFFLE(0, 0, 0, 0));
shufps(xmm1, xmm1, _MM_SHUFFLE(2, 2, 2, 2));
for(int i = 0; i < 4; i++)
{
// GSVector4i r = GSVector4i(dr * m_shift[i]).ps32();
movaps(xmm2, xmm0);
mulps(xmm2, Xmm(4 + i));
cvttps2dq(xmm2, xmm2);
packssdw(xmm2, xmm2);
// GSVector4i b = GSVector4i(db * m_shift[i]).ps32();
movaps(xmm3, xmm1);
mulps(xmm3, Xmm(4 + i));
cvttps2dq(xmm3, xmm3);
packssdw(xmm3, xmm3);
// m_env.d[i].rb = r.upl16(b);
punpcklwd(xmm2, xmm3);
movdqa(xmmword[&m_env.d[i].rb], xmm2);
}
// GSVector4 c = dscan.c;
movaps(xmm0, xmmword[edx]); // not enough regs, have to reload it
movaps(xmm1, xmm0);
// GSVector4 dg = c.yyyy();
// GSVector4 da = c.wwww();
shufps(xmm0, xmm0, _MM_SHUFFLE(1, 1, 1, 1));
shufps(xmm1, xmm1, _MM_SHUFFLE(3, 3, 3, 3));
for(int i = 0; i < 4; i++)
{
// GSVector4i g = GSVector4i(dg * m_shift[i]).ps32();
movaps(xmm2, xmm0);
mulps(xmm2, Xmm(4 + i));
cvttps2dq(xmm2, xmm2);
packssdw(xmm2, xmm2);
// GSVector4i a = GSVector4i(da * m_shift[i]).ps32();
movaps(xmm3, xmm1);
mulps(xmm3, Xmm(4 + i));
cvttps2dq(xmm3, xmm3);
packssdw(xmm3, xmm3);
// m_env.d[i].ga = g.upl16(a);
punpcklwd(xmm2, xmm3);
movdqa(xmmword[&m_env.d[i].ga], xmm2);
}
}
else
{
// GSVector4i c = GSVector4i(vertices[0].c);
movaps(xmm0, xmmword[ecx]);
cvttps2dq(xmm0, xmm0);
// c = c.upl16(c.zwxy());
movdqa(xmm1, xmm0);
pshufd(xmm1, xmm1, _MM_SHUFFLE(1, 0, 3, 2));
punpcklwd(xmm0, xmm1);
// if(!tme) c = c.srl16(7);
if(m_sel.tfx == TFX_NONE)
{
psrlw(xmm0, 7);
}
// m_env.c.rb = c.xxxx();
// m_env.c.ga = c.zzzz();
movdqa(xmm1, xmm0);
pshufd(xmm0, xmm0, _MM_SHUFFLE(0, 0, 0, 0));
pshufd(xmm1, xmm1, _MM_SHUFFLE(2, 2, 2, 2));
movdqa(xmmword[&m_env.c.rb], xmm0);
movdqa(xmmword[&m_env.c.ga], xmm1);
}
}
const GSVector4 GSSetupPrimCodeGenerator::m_shift[5] =
{
GSVector4(4.0f, 4.0f, 4.0f, 4.0f),
GSVector4(0.0f, 1.0f, 2.0f, 3.0f),
GSVector4(-1.0f, 0.0f, 1.0f, 2.0f),
GSVector4(-2.0f, -1.0f, 0.0f, 1.0f),
GSVector4(-3.0f, -2.0f, -1.0f, 0.0f),
};