void GSDrawScanlineCodeGenerator::TestZ(const Xmm& temp1, const Xmm& temp2)
{
if(!m_sel.zb)
{
return;
}
// int za = fza_base.y + fza_offset->y;
movsxd(rbp, dword[rsi + 4]);
movsxd(rax, dword[rdi + 4]);
add(rbp, rax);
// GSVector4i zs = zi;
if(!m_sel.sprite)
{
if(m_sel.zoverflow)
{
// zs = (GSVector4i(z * 0.5f) << 1) | (GSVector4i(z) & GSVector4i::x00000001());
mov(rax, (size_t)&GSVector4::m_half);
vbroadcastss(xmm0, ptr[rax]);
vmulps(xmm0, xmm8);
vcvttps2dq(xmm0, xmm0);
vpslld(xmm0, 1);
vcvttps2dq(xmm1, xmm8);
vpcmpeqd(xmm2, xmm2);
vpsrld(xmm2, 31);
vpand(xmm1, xmm2);
vpor(xmm0, xmm1);
}
else
{
// zs = GSVector4i(z);
vcvttps2dq(xmm0, xmm8);
}
if(m_sel.zwrite)
{
vmovdqa(ptr[r11 + offsetof(GSScanlineLocalData, temp.zs)], xmm0);
}
}
if(m_sel.ztest)
{
ReadPixel(xmm1, rbp);
if(m_sel.zwrite && m_sel.zpsm < 2)
{
vmovdqa(ptr[r11 + offsetof(GSScanlineLocalData, temp.zd)], xmm1);
}
// zd &= 0xffffffff >> m_sel.zpsm * 8;
if(m_sel.zpsm)
{
vpslld(xmm1, m_sel.zpsm * 8);
vpsrld(xmm1, m_sel.zpsm * 8);
}
if(m_sel.zoverflow || m_sel.zpsm == 0)
{
// GSVector4i off = GSVector4i::x80000000();
vpcmpeqd(xmm2, xmm2);
vpslld(xmm2, 31);
// GSVector4i zso = zs - off;
// GSVector4i zdo = zd - off;
vpsubd(xmm0, xmm2);
vpsubd(xmm1, xmm2);
}
switch(m_sel.ztst)
{
case ZTST_GEQUAL:
// test |= zso < zdo; // ~(zso >= zdo)
vpcmpgtd(xmm1, xmm0);
vpor(xmm15, xmm1);
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(xmm0, xmm1);
vpcmpeqd(xmm2, xmm2);
vpxor(xmm0, xmm2);
vpor(xmm15, xmm0);
break;
}
alltrue();
}
}
result_type operator()(B const &block) const
{
typedef typename B::value_type value_type;
typedef typename vsip::impl::view_of<B>::type view_type;
view_type view(const_cast<B&>(block));
return alltrue(view);
}
void GPUDrawScanlineCodeGenerator::TestMask()
{
if(!m_sel.me)
{
return;
}
// test |= fd.sra16(15);
movdqa(xmm0, xmm1);
psraw(xmm0, 15);
por(xmm7, xmm0);
alltrue();
}
void GSDrawScanlineCodeGenerator::TestDestAlpha()
{
if(!m_sel.date || m_sel.fpsm != 0 && m_sel.fpsm != 2)
{
return;
}
// test |= ((fd [<< 16]) ^ m_local.gd->datm).sra32(31);
if(m_sel.datm)
{
if(m_sel.fpsm == 2)
{
vpxor(xmm0, xmm0);
//vpsrld(xmm1, xmm6, 15);
vpslld(xmm1, xmm6, 16);
vpsrad(xmm1, 31);
vpcmpeqd(xmm1, xmm0);
}
else
{
vpcmpeqd(xmm0, xmm0);
vpxor(xmm1, xmm6, xmm0);
vpsrad(xmm1, 31);
}
}
else
{
if(m_sel.fpsm == 2)
{
vpslld(xmm1, xmm6, 16);
vpsrad(xmm1, 31);
}
else
{
vpsrad(xmm1, xmm6, 31);
}
}
vpor(xmm15, xmm1);
alltrue();
}
void GSDrawScanlineCodeGenerator::TestDestAlpha()
{
if(!m_sel.date || m_sel.fpsm != 0 && m_sel.fpsm != 2)
{
return;
}
// test |= ((fd [<< 16]) ^ m_env.datm).sra32(31);
movdqa(xmm1, xmm2);
if(m_sel.datm)
{
if(m_sel.fpsm == 2)
{
pxor(xmm0, xmm0);
psrld(xmm1, 15);
pcmpeqd(xmm1, xmm0);
}
else
{
pcmpeqd(xmm0, xmm0);
pxor(xmm1, xmm0);
psrad(xmm1, 31);
}
}
else
{
if(m_sel.fpsm == 2)
{
pslld(xmm1, 16);
}
psrad(xmm1, 31);
}
por(xmm7, xmm1);
alltrue();
}
void GSDrawScanlineCodeGenerator::TestAlpha()
{
switch(m_sel.afail)
{
case AFAIL_FB_ONLY:
if(!m_sel.zwrite) return;
break;
case AFAIL_ZB_ONLY:
if(!m_sel.fwrite) return;
break;
case AFAIL_RGB_ONLY:
if(!m_sel.zwrite && m_sel.fpsm == 1) return;
break;
}
switch(m_sel.atst)
{
case ATST_NEVER:
// t = GSVector4i::xffffffff();
vpcmpeqd(xmm1, xmm1);
break;
case ATST_ALWAYS:
return;
case ATST_LESS:
case ATST_LEQUAL:
// t = (ga >> 16) > m_local.gd->aref;
vpsrld(xmm1, xmm3, 16);
vpcmpgtd(xmm1, ptr[r12 + offsetof(GSScanlineGlobalData, aref)]);
break;
case ATST_EQUAL:
// t = (ga >> 16) != m_local.gd->aref;
vpsrld(xmm1, xmm3, 16);
vpcmpeqd(xmm1, ptr[r12 + offsetof(GSScanlineGlobalData, aref)]);
vpcmpeqd(xmm0, xmm0);
vpxor(xmm1, xmm0);
break;
case ATST_GEQUAL:
case ATST_GREATER:
// t = (ga >> 16) < m_local.gd->aref;
vpsrld(xmm0, xmm3, 16);
vmovdqa(xmm1, ptr[r12 + offsetof(GSScanlineGlobalData, aref)]);
vpcmpgtd(xmm1, xmm0);
break;
case ATST_NOTEQUAL:
// t = (ga >> 16) == m_local.gd->aref;
vpsrld(xmm1, xmm3, 16);
vpcmpeqd(xmm1, ptr[r12 + offsetof(GSScanlineGlobalData, aref)]);
break;
}
switch(m_sel.afail)
{
case AFAIL_KEEP:
// test |= t;
vpor(xmm15, xmm1);
alltrue();
break;
case AFAIL_FB_ONLY:
// zm |= t;
vpor(xmm5, xmm1);
break;
case AFAIL_ZB_ONLY:
// fm |= t;
vpor(xmm4, xmm1);
break;
case AFAIL_RGB_ONLY:
// zm |= t;
vpor(xmm5, xmm1);
// fm |= t & GSVector4i::xff000000();
vpsrld(xmm1, 24);
vpslld(xmm1, 24);
vpor(xmm4, xmm1);
break;
}
}
void GSDrawScanlineCodeGenerator::TestZ(const Xmm& temp1, const Xmm& temp2)
{
if(!m_sel.zb)
{
return;
}
// int za = fza_base.y + fza_offset->y;
mov(ebp, dword[esi + 4]);
add(ebp, dword[edi + 4]);
// GSVector4i zs = zi;
if(!m_sel.sprite)
{
if(m_sel.zoverflow)
{
// zs = (GSVector4i(z * 0.5f) << 1) | (GSVector4i(z) & GSVector4i::x00000001());
static float half = 0.5f;
movss(temp1, dword[&half]);
shufps(temp1, temp1, _MM_SHUFFLE(0, 0, 0, 0));
mulps(temp1, xmm0);
cvttps2dq(temp1, temp1);
pslld(temp1, 1);
cvttps2dq(xmm0, xmm0);
pcmpeqd(temp2, temp2);
psrld(temp2, 31);
pand(xmm0, temp2);
por(xmm0, temp1);
}
else
{
// zs = GSVector4i(z);
cvttps2dq(xmm0, xmm0);
}
if(m_sel.zwrite)
{
movdqa(xmmword[&m_env.temp.zs], xmm0);
}
}
if(m_sel.ztest)
{
ReadPixel(xmm1, ebp);
if(m_sel.zwrite && m_sel.zpsm < 2)
{
movdqa(xmmword[&m_env.temp.zd], xmm1);
}
// zd &= 0xffffffff >> m_sel.zpsm * 8;
if(m_sel.zpsm)
{
pslld(xmm1, m_sel.zpsm * 8);
psrld(xmm1, m_sel.zpsm * 8);
}
if(m_sel.zoverflow || m_sel.zpsm == 0)
{
// GSVector4i o = GSVector4i::x80000000();
pcmpeqd(xmm4, xmm4);
pslld(xmm4, 31);
// GSVector4i zso = zs - o;
psubd(xmm0, xmm4);
// GSVector4i zdo = zd - o;
psubd(xmm1, xmm4);
}
switch(m_sel.ztst)
{
case ZTST_GEQUAL:
// test |= zso < zdo; // ~(zso >= zdo)
pcmpgtd(xmm1, xmm0);
por(xmm7, xmm1);
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)
pcmpgtd(xmm0, xmm1);
pcmpeqd(xmm4, xmm4);
pxor(xmm0, xmm4);
por(xmm7, xmm0);
break;
}
alltrue();
}
}
void GSDrawScanlineCodeGenerator::TestAlpha()
{
switch(m_sel.afail)
{
case AFAIL_FB_ONLY:
if(!m_sel.zwrite) return;
break;
case AFAIL_ZB_ONLY:
if(!m_sel.fwrite) return;
break;
case AFAIL_RGB_ONLY:
if(!m_sel.zwrite && m_sel.fpsm == 1) return;
break;
}
switch(m_sel.atst)
{
case ATST_NEVER:
// t = GSVector4i::xffffffff();
pcmpeqd(xmm1, xmm1);
break;
case ATST_ALWAYS:
return;
case ATST_LESS:
case ATST_LEQUAL:
// t = (ga >> 16) > m_env.aref;
movdqa(xmm1, xmm6);
psrld(xmm1, 16);
pcmpgtd(xmm1, xmmword[&m_env.aref]);
break;
case ATST_EQUAL:
// t = (ga >> 16) != m_env.aref;
movdqa(xmm1, xmm6);
psrld(xmm1, 16);
pcmpeqd(xmm1, xmmword[&m_env.aref]);
pcmpeqd(xmm0, xmm0);
pxor(xmm1, xmm0);
break;
case ATST_GEQUAL:
case ATST_GREATER:
// t = (ga >> 16) < m_env.aref;
movdqa(xmm0, xmm6);
psrld(xmm0, 16);
movdqa(xmm1, xmmword[&m_env.aref]);
pcmpgtd(xmm1, xmm0);
break;
case ATST_NOTEQUAL:
// t = (ga >> 16) == m_env.aref;
movdqa(xmm1, xmm6);
psrld(xmm1, 16);
pcmpeqd(xmm1, xmmword[&m_env.aref]);
break;
}
switch(m_sel.afail)
{
case AFAIL_KEEP:
// test |= t;
por(xmm7, xmm1);
alltrue();
break;
case AFAIL_FB_ONLY:
// zm |= t;
por(xmm4, xmm1);
break;
case AFAIL_ZB_ONLY:
// fm |= t;
por(xmm3, xmm1);
break;
case AFAIL_RGB_ONLY:
// zm |= t;
por(xmm4, xmm1);
// fm |= t & GSVector4i::xff000000();
psrld(xmm1, 24);
pslld(xmm1, 24);
por(xmm3, xmm1);
break;
}
}
