pcsx2/plugins/GSdx/GPUDrawScanlineCodeGenerato...

1031 lines
19 KiB
C++

/*
* 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 "GPUDrawScanlineCodeGenerator.h"
static const int _args = 8;
static const int _top = _args + 4;
static const int _v = _args + 8;
GPUDrawScanlineCodeGenerator::GPUDrawScanlineCodeGenerator(void* param, uint32 key, void* code, size_t maxsize)
: GSCodeGenerator(code, maxsize)
, m_local(*(GPUScanlineLocalData*)param)
{
#if _M_AMD64
#error TODO
#endif
m_sel.key = key;
Generate();
}
void GPUDrawScanlineCodeGenerator::Generate()
{
push(esi);
push(edi);
Init();
align(16);
L("loop");
// GSVector4i test = m_test[7 + (steps & (steps >> 31))];
mov(edx, ecx);
sar(edx, 31);
and(edx, ecx);
shl(edx, 4);
movdqa(xmm7, ptr[edx + (size_t)&m_test[7]]);
// movdqu(xmm1, ptr[edi]);
movq(xmm1, qword[edi]);
movhps(xmm1, qword[edi + 8]);
// ecx = steps
// esi = tex (tme)
// edi = fb
// xmm1 = fd
// xmm2 = s
// xmm3 = t
// xmm4 = r
// xmm5 = g
// xmm6 = b
// xmm7 = test
TestMask();
SampleTexture();
// xmm1 = fd
// xmm3 = a
// xmm4 = r
// xmm5 = g
// xmm6 = b
// xmm7 = test
// xmm0, xmm2 = free
ColorTFX();
AlphaBlend();
Dither();
WriteFrame();
L("step");
// if(steps <= 0) break;
test(ecx, ecx);
jle("exit", T_NEAR);
Step();
jmp("loop", T_NEAR);
L("exit");
pop(edi);
pop(esi);
ret(8);
}
void GPUDrawScanlineCodeGenerator::Init()
{
mov(eax, dword[esp + _top]);
// uint16* fb = &m_local.vm[(top << (10 + m_sel.scalex)) + left];
mov(edi, eax);
shl(edi, 10 + m_sel.scalex);
add(edi, edx);
lea(edi, ptr[edi * 2 + (size_t)m_local.gd->vm]);
// int steps = right - left - 8;
sub(ecx, edx);
sub(ecx, 8);
if(m_sel.dtd)
{
// dither = GSVector4i::load<false>(&s_dither[top & 3][left & 3]);
and(eax, 3);
shl(eax, 5);
and(edx, 3);
shl(edx, 1);
movdqu(xmm0, ptr[eax + edx + (size_t)m_dither]);
movdqa(ptr[&m_local.temp.dither], xmm0);
}
mov(edx, dword[esp + _v]);
if(m_sel.tme)
{
mov(esi, dword[&m_local.gd->tex]);
// GSVector4i vt = GSVector4i(v.t).xxzzl();
cvttps2dq(xmm4, ptr[edx + 32]);
pshuflw(xmm4, xmm4, _MM_SHUFFLE(2, 2, 0, 0));
// s = vt.xxxx().add16(m_local.d.s);
// t = vt.yyyy().add16(m_local.d.t);
pshufd(xmm2, xmm4, _MM_SHUFFLE(0, 0, 0, 0));
pshufd(xmm3, xmm4, _MM_SHUFFLE(1, 1, 1, 1));
paddw(xmm2, ptr[&m_local.d.s]);
if(!m_sel.sprite)
{
paddw(xmm3, ptr[&m_local.d.t]);
}
else
{
if(m_sel.ltf)
{
movdqa(xmm0, xmm3);
psllw(xmm0, 8);
psrlw(xmm0, 1);
movdqa(ptr[&m_local.temp.vf], xmm0);
}
}
movdqa(ptr[&m_local.temp.s], xmm2);
movdqa(ptr[&m_local.temp.t], xmm3);
}
if(m_sel.tfx != 3) // != decal
{
// GSVector4i vc = GSVector4i(v.c).xxzzlh();
cvttps2dq(xmm6, ptr[edx]);
pshuflw(xmm6, xmm6, _MM_SHUFFLE(2, 2, 0, 0));
pshufhw(xmm6, xmm6, _MM_SHUFFLE(2, 2, 0, 0));
// r = vc.xxxx();
// g = vc.yyyy();
// b = vc.zzzz();
pshufd(xmm4, xmm6, _MM_SHUFFLE(0, 0, 0, 0));
pshufd(xmm5, xmm6, _MM_SHUFFLE(1, 1, 1, 1));
pshufd(xmm6, xmm6, _MM_SHUFFLE(2, 2, 2, 2));
if(m_sel.iip)
{
// r = r.add16(m_local.d.r);
// g = g.add16(m_local.d.g);
// b = b.add16(m_local.d.b);
paddw(xmm4, ptr[&m_local.d.r]);
paddw(xmm5, ptr[&m_local.d.g]);
paddw(xmm6, ptr[&m_local.d.b]);
}
movdqa(ptr[&m_local.temp.r], xmm4);
movdqa(ptr[&m_local.temp.g], xmm5);
movdqa(ptr[&m_local.temp.b], xmm6);
}
}
void GPUDrawScanlineCodeGenerator::Step()
{
// steps -= 8;
sub(ecx, 8);
// fb += 8;
add(edi, 8 * sizeof(uint16));
if(m_sel.tme)
{
// GSVector4i st = m_local.d8.st;
movdqa(xmm4, ptr[&m_local.d8.st]);
// s = s.add16(st.xxxx());
// t = t.add16(st.yyyy());
pshufd(xmm2, xmm4, _MM_SHUFFLE(0, 0, 0, 0));
paddw(xmm2, ptr[&m_local.temp.s]);
movdqa(ptr[&m_local.temp.s], xmm2);
// TODO: if(!sprite) ... else reload t
pshufd(xmm3, xmm4, _MM_SHUFFLE(1, 1, 1, 1));
paddw(xmm3, ptr[&m_local.temp.t]);
movdqa(ptr[&m_local.temp.t], xmm3);
}
if(m_sel.tfx != 3) // != decal
{
if(m_sel.iip)
{
// GSVector4i c = m_local.d8.c;
// r = r.add16(c.xxxx());
// g = g.add16(c.yyyy());
// b = b.add16(c.zzzz());
movdqa(xmm6, ptr[&m_local.d8.c]);
pshufd(xmm4, xmm6, _MM_SHUFFLE(0, 0, 0, 0));
pshufd(xmm5, xmm6, _MM_SHUFFLE(1, 1, 1, 1));
pshufd(xmm6, xmm6, _MM_SHUFFLE(2, 2, 2, 2));
paddw(xmm4, ptr[&m_local.temp.r]);
paddw(xmm5, ptr[&m_local.temp.g]);
paddw(xmm6, ptr[&m_local.temp.b]);
movdqa(ptr[&m_local.temp.r], xmm4);
movdqa(ptr[&m_local.temp.g], xmm5);
movdqa(ptr[&m_local.temp.b], xmm6);
}
else
{
movdqa(xmm4, ptr[&m_local.temp.r]);
movdqa(xmm5, ptr[&m_local.temp.g]);
movdqa(xmm6, ptr[&m_local.temp.b]);
}
}
}
void GPUDrawScanlineCodeGenerator::TestMask()
{
if(!m_sel.me)
{
return;
}
// test |= fd.sra16(15);
movdqa(xmm0, xmm1);
psraw(xmm0, 15);
por(xmm7, xmm0);
alltrue();
}
void GPUDrawScanlineCodeGenerator::SampleTexture()
{
if(!m_sel.tme)
{
return;
}
// xmm2 = s
// xmm3 = t
// xmm7 = test
// xmm0, xmm4, xmm5, xmm6 = free
// xmm1 = used
if(m_sel.ltf)
{
// GSVector4i u = s.sub16(GSVector4i(0x00200020)); // - 0.125f
// GSVector4i v = t.sub16(GSVector4i(0x00200020)); // - 0.125f
mov(eax, 0x00200020);
movd(xmm0, eax);
pshufd(xmm0, xmm0, _MM_SHUFFLE(0, 0, 0, 0));
psubw(xmm2, xmm0);
psubw(xmm3, xmm0);
// GSVector4i uf = (u & GSVector4i::x00ff()) << 7;
// GSVector4i vf = (v & GSVector4i::x00ff()) << 7;
movdqa(xmm0, xmm2);
psllw(xmm0, 8);
psrlw(xmm0, 1);
movdqa(ptr[&m_local.temp.uf], xmm0);
if(!m_sel.sprite)
{
movdqa(xmm0, xmm3);
psllw(xmm0, 8);
psrlw(xmm0, 1);
movdqa(ptr[&m_local.temp.vf], xmm0);
}
}
// GSVector4i u0 = s.srl16(8);
// GSVector4i v0 = t.srl16(8);
psrlw(xmm2, 8);
psrlw(xmm3, 8);
// xmm2 = u
// xmm3 = v
// xmm7 = test
// xmm0, xmm4, xmm5, xmm6 = free
// xmm1 = used
if(m_sel.ltf)
{
// GSVector4i u1 = u0.add16(GSVector4i::x0001());
// GSVector4i v1 = v0.add16(GSVector4i::x0001());
movdqa(xmm4, xmm2);
movdqa(xmm5, xmm3);
pcmpeqd(xmm0, xmm0);
psrlw(xmm0, 15);
paddw(xmm4, xmm0);
paddw(xmm5, xmm0);
if(m_sel.twin)
{
// u0 = (u0 & m_local.twin[0].u).add16(m_local.twin[1].u);
// v0 = (v0 & m_local.twin[0].v).add16(m_local.twin[1].v);
// u1 = (u1 & m_local.twin[0].u).add16(m_local.twin[1].u);
// v1 = (v1 & m_local.twin[0].v).add16(m_local.twin[1].v);
movdqa(xmm0, ptr[&m_local.twin[0].u]);
movdqa(xmm6, ptr[&m_local.twin[1].u]);
pand(xmm2, xmm0);
paddw(xmm2, xmm6);
pand(xmm4, xmm0);
paddw(xmm4, xmm6);
movdqa(xmm0, ptr[&m_local.twin[0].v]);
movdqa(xmm6, ptr[&m_local.twin[1].v]);
pand(xmm3, xmm0);
paddw(xmm3, xmm6);
pand(xmm5, xmm0);
paddw(xmm5, xmm6);
}
else
{
// u0 = u0.min_i16(m_local.twin[2].u);
// v0 = v0.min_i16(m_local.twin[2].v);
// u1 = u1.min_i16(m_local.twin[2].u);
// v1 = v1.min_i16(m_local.twin[2].v);
// TODO: if(!sprite) clamp16 else:
movdqa(xmm0, ptr[&m_local.twin[2].u]);
movdqa(xmm6, ptr[&m_local.twin[2].v]);
pminsw(xmm2, xmm0);
pminsw(xmm3, xmm6);
pminsw(xmm4, xmm0);
pminsw(xmm5, xmm6);
}
// xmm2 = u0
// xmm3 = v0
// xmm4 = u1
// xmm5 = v1
// xmm7 = test
// xmm0, xmm6 = free
// xmm1 = used
// GSVector4i addr00 = v0.sll16(8) | u0;
// GSVector4i addr01 = v0.sll16(8) | u1;
// GSVector4i addr10 = v1.sll16(8) | u0;
// GSVector4i addr11 = v1.sll16(8) | u1;
psllw(xmm3, 8);
movdqa(xmm0, xmm3);
por(xmm3, xmm2);
por(xmm0, xmm4);
psllw(xmm5, 8);
movdqa(xmm6, xmm5);
por(xmm5, xmm2);
por(xmm6, xmm4);
// xmm3 = addr00
// xmm0 = addr01
// xmm5 = addr10
// xmm6 = addr11
// xmm7 = test
// xmm2, xmm4 = free
// xmm1 = used
ReadTexel(xmm2, xmm3);
ReadTexel(xmm4, xmm0);
ReadTexel(xmm3, xmm5);
ReadTexel(xmm5, xmm6);
// xmm2 = c00
// xmm4 = c01
// xmm3 = c10
// xmm5 = c11
// xmm7 = test
// xmm0, xmm6 = free
// xmm1 = used
// spill (TODO)
movdqa(ptr[&m_local.temp.fd], xmm1);
movdqa(ptr[&m_local.temp.test], xmm7);
// xmm2 = c00
// xmm4 = c01
// xmm3 = c10
// xmm5 = c11
// xmm0, xmm1, xmm6, xmm7 = free
movdqa(xmm1, xmm2);
psllw(xmm1, 11);
psrlw(xmm1, 8);
movdqa(xmm0, xmm4);
psllw(xmm0, 11);
psrlw(xmm0, 8);
lerp16<0>(xmm0, xmm1, ptr[&m_local.temp.uf]);
movdqa(xmm6, xmm2);
psllw(xmm6, 6);
psrlw(xmm6, 11);
psllw(xmm6, 3);
movdqa(xmm1, xmm4);
psllw(xmm1, 6);
psrlw(xmm1, 11);
psllw(xmm1, 3);
lerp16<0>(xmm1, xmm6, ptr[&m_local.temp.uf]);
movdqa(xmm7, xmm2);
psllw(xmm7, 1);
psrlw(xmm7, 11);
psllw(xmm7, 3);
movdqa(xmm6, xmm4);
psllw(xmm6, 1);
psrlw(xmm6, 11);
psllw(xmm6, 3);
lerp16<0>(xmm6, xmm7, ptr[&m_local.temp.uf]);
psraw(xmm2, 15);
psrlw(xmm2, 8);
psraw(xmm4, 15);
psrlw(xmm4, 8);
lerp16<0>(xmm4, xmm2, ptr[&m_local.temp.uf]);
// xmm0 = r00
// xmm1 = g00
// xmm6 = b00
// xmm4 = a00
// xmm3 = c10
// xmm5 = c11
// xmm2, xmm7 = free
movdqa(xmm7, xmm3);
psllw(xmm7, 11);
psrlw(xmm7, 8);
movdqa(xmm2, xmm5);
psllw(xmm2, 11);
psrlw(xmm2, 8);
lerp16<0>(xmm2, xmm7, ptr[&m_local.temp.uf]);
lerp16<0>(xmm2, xmm0, ptr[&m_local.temp.vf]);
// xmm2 = r
// xmm1 = g00
// xmm6 = b00
// xmm4 = a00
// xmm3 = c10
// xmm5 = c11
// xmm0, xmm7 = free
movdqa(xmm7, xmm3);
psllw(xmm7, 6);
psrlw(xmm7, 11);
psllw(xmm7, 3);
movdqa(xmm0, xmm5);
psllw(xmm0, 6);
psrlw(xmm0, 11);
psllw(xmm0, 3);
lerp16<0>(xmm0, xmm7, ptr[&m_local.temp.uf]);
lerp16<0>(xmm0, xmm1, ptr[&m_local.temp.vf]);
// xmm2 = r
// xmm0 = g
// xmm6 = b00
// xmm4 = a00
// xmm3 = c10
// xmm5 = c11
// xmm1, xmm7 = free
movdqa(xmm7, xmm3);
psllw(xmm7, 1);
psrlw(xmm7, 11);
psllw(xmm7, 3);
movdqa(xmm1, xmm5);
psllw(xmm1, 1);
psrlw(xmm1, 11);
psllw(xmm1, 3);
lerp16<0>(xmm1, xmm7, ptr[&m_local.temp.uf]);
lerp16<0>(xmm1, xmm6, ptr[&m_local.temp.vf]);
// xmm2 = r
// xmm0 = g
// xmm1 = b
// xmm4 = a00
// xmm3 = c10
// xmm5 = c11
// xmm6, xmm7 = free
psraw(xmm3, 15);
psrlw(xmm3, 8);
psraw(xmm5, 15);
psrlw(xmm5, 8);
lerp16<0>(xmm5, xmm3, ptr[&m_local.temp.uf]);
lerp16<0>(xmm5, xmm4, ptr[&m_local.temp.vf]);
// xmm2 = r
// xmm0 = g
// xmm1 = b
// xmm5 = a
// xmm3, xmm4, xmm6, xmm7 = free
// TODO
movdqa(xmm3, xmm5); // a
movdqa(xmm4, xmm2); // r
movdqa(xmm6, xmm1); // b
movdqa(xmm5, xmm0); // g
// reload test
movdqa(xmm7, ptr[&m_local.temp.test]);
// xmm4 = r
// xmm5 = g
// xmm6 = b
// xmm3 = a
// xmm7 = test
// xmm0, xmm1, xmm2 = free
// test |= (c[0] | c[1] | c[2] | c[3]).eq16(GSVector4i::zero()); // mask out blank pixels (not perfect)
movdqa(xmm1, xmm3);
por(xmm1, xmm4);
movdqa(xmm2, xmm5);
por(xmm2, xmm6);
por(xmm1, xmm2);
pxor(xmm0, xmm0);
pcmpeqw(xmm1, xmm0);
por(xmm7, xmm1);
// a = a.gt16(GSVector4i::zero());
pcmpgtw(xmm3, xmm0);
// reload fd
movdqa(xmm1, ptr[&m_local.temp.fd]);
}
else
{
if(m_sel.twin)
{
// u = (u & m_local.twin[0].u).add16(m_local.twin[1].u);
// v = (v & m_local.twin[0].v).add16(m_local.twin[1].v);
pand(xmm2, ptr[&m_local.twin[0].u]);
paddw(xmm2, ptr[&m_local.twin[1].u]);
pand(xmm3, ptr[&m_local.twin[0].v]);
paddw(xmm3, ptr[&m_local.twin[1].v]);
}
else
{
// u = u.min_i16(m_local.twin[2].u);
// v = v.min_i16(m_local.twin[2].v);
// TODO: if(!sprite) clamp16 else:
pminsw(xmm2, ptr[&m_local.twin[2].u]);
pminsw(xmm3, ptr[&m_local.twin[2].v]);
}
// xmm2 = u
// xmm3 = v
// xmm7 = test
// xmm0, xmm4, xmm5, xmm6 = free
// xmm1 = used
// GSVector4i addr = v.sll16(8) | u;
psllw(xmm3, 8);
por(xmm3, xmm2);
// xmm3 = addr
// xmm7 = test
// xmm0, xmm2, xmm4, xmm5, xmm6 = free
// xmm1 = used
ReadTexel(xmm6, xmm3);
// xmm3 = c00
// xmm7 = test
// xmm0, xmm2, xmm4, xmm5, xmm6 = free
// xmm1 = used
// test |= c00.eq16(GSVector4i::zero()); // mask out blank pixels
pxor(xmm0, xmm0);
pcmpeqw(xmm0, xmm6);
por(xmm7, xmm0);
// c[0] = (c00 << 3) & 0x00f800f8;
// c[1] = (c00 >> 2) & 0x00f800f8;
// c[2] = (c00 >> 7) & 0x00f800f8;
// c[3] = c00.sra16(15);
movdqa(xmm3, xmm6);
psraw(xmm3, 15); // a
pcmpeqd(xmm0, xmm0);
psrlw(xmm0, 11);
psllw(xmm0, 3); // 0x00f8
movdqa(xmm4, xmm6);
psllw(xmm4, 3);
pand(xmm4, xmm0); // r
movdqa(xmm5, xmm6);
psrlw(xmm5, 2);
pand(xmm5, xmm0); // g
psrlw(xmm6, 7);
pand(xmm6, xmm0); // b
}
}
void GPUDrawScanlineCodeGenerator::ColorTFX()
{
switch(m_sel.tfx)
{
case 0: // none (tfx = 0)
case 1: // none (tfx = tge)
// c[0] = r.srl16(7);
// c[1] = g.srl16(7);
// c[2] = b.srl16(7);
psrlw(xmm4, 7);
psrlw(xmm5, 7);
psrlw(xmm6, 7);
break;
case 2: // modulate (tfx = tme | tge)
// c[0] = c[0].modulate16<1>(r).clamp8();
// c[1] = c[1].modulate16<1>(g).clamp8();
// c[2] = c[2].modulate16<1>(b).clamp8();
pcmpeqd(xmm0, xmm0);
psrlw(xmm0, 8);
modulate16<1>(xmm4, ptr[&m_local.temp.r]);
pminsw(xmm4, xmm0);
modulate16<1>(xmm5, ptr[&m_local.temp.g]);
pminsw(xmm5, xmm0);
modulate16<1>(xmm6, ptr[&m_local.temp.b]);
pminsw(xmm6, xmm0);
break;
case 3: // decal (tfx = tme)
break;
}
}
void GPUDrawScanlineCodeGenerator::AlphaBlend()
{
if(!m_sel.abe)
{
return;
}
// xmm1 = fd
// xmm3 = a
// xmm4 = r
// xmm5 = g
// xmm6 = b
// xmm7 = test
// xmm0, xmm2 = free
// GSVector4i r = (d & 0x001f001f) << 3;
pcmpeqd(xmm0, xmm0);
psrlw(xmm0, 11); // 0x001f
movdqa(xmm2, xmm1);
pand(xmm2, xmm0);
psllw(xmm2, 3);
switch(m_sel.abr)
{
case 0:
// r = r.avg8(c[0]);
pavgb(xmm2, xmm4);
break;
case 1:
// r = r.addus8(c[0]);
paddusb(xmm2, xmm4);
break;
case 2:
// r = r.subus8(c[0]);
psubusb(xmm2, xmm4);
break;
case 3:
// r = r.addus8(c[0].srl16(2));
movdqa(xmm0, xmm4);
psrlw(xmm0, 2);
paddusb(xmm2, xmm0);
break;
}
if(m_sel.tme)
{
movdqa(xmm0, xmm3);
blend8(xmm4, xmm2);
}
else
{
movdqa(xmm4, xmm2);
}
// GSVector4i g = (d & 0x03e003e0) >> 2;
pcmpeqd(xmm0, xmm0);
psrlw(xmm0, 11);
psllw(xmm0, 5); // 0x03e0
movdqa(xmm2, xmm1);
pand(xmm2, xmm0);
psrlw(xmm2, 2);
switch(m_sel.abr)
{
case 0:
// g = g.avg8(c[2]);
pavgb(xmm2, xmm5);
break;
case 1:
// g = g.addus8(c[2]);
paddusb(xmm2, xmm5);
break;
case 2:
// g = g.subus8(c[2]);
psubusb(xmm2, xmm5);
break;
case 3:
// g = g.addus8(c[2].srl16(2));
movdqa(xmm0, xmm5);
psrlw(xmm0, 2);
paddusb(xmm2, xmm0);
break;
}
if(m_sel.tme)
{
movdqa(xmm0, xmm3);
blend8(xmm5, xmm2);
}
else
{
movdqa(xmm5, xmm2);
}
// GSVector4i b = (d & 0x7c007c00) >> 7;
pcmpeqd(xmm0, xmm0);
psrlw(xmm0, 11);
psllw(xmm0, 10); // 0x7c00
movdqa(xmm2, xmm1);
pand(xmm2, xmm0);
psrlw(xmm2, 7);
switch(m_sel.abr)
{
case 0:
// b = b.avg8(c[2]);
pavgb(xmm2, xmm6);
break;
case 1:
// b = b.addus8(c[2]);
paddusb(xmm2, xmm6);
break;
case 2:
// b = b.subus8(c[2]);
psubusb(xmm2, xmm6);
break;
case 3:
// b = b.addus8(c[2].srl16(2));
movdqa(xmm0, xmm6);
psrlw(xmm0, 2);
paddusb(xmm2, xmm0);
break;
}
if(m_sel.tme)
{
movdqa(xmm0, xmm3);
blend8(xmm6, xmm2);
}
else
{
movdqa(xmm6, xmm2);
}
}
void GPUDrawScanlineCodeGenerator::Dither()
{
if(!m_sel.dtd)
{
return;
}
// c[0] = c[0].addus8(dither);
// c[1] = c[1].addus8(dither);
// c[2] = c[2].addus8(dither);
movdqa(xmm0, ptr[&m_local.temp.dither]);
paddusb(xmm4, xmm0);
paddusb(xmm5, xmm0);
paddusb(xmm6, xmm0);
}
void GPUDrawScanlineCodeGenerator::WriteFrame()
{
// GSVector4i fs = r | g | b | (m_sel.md ? GSVector4i(0x80008000) : m_sel.tme ? a : 0);
pcmpeqd(xmm0, xmm0);
if(m_sel.md || m_sel.tme)
{
movdqa(xmm2, xmm0);
psllw(xmm2, 15);
}
psrlw(xmm0, 11);
psllw(xmm0, 3);
// xmm0 = 0x00f8
// xmm2 = 0x8000 (md)
// GSVector4i r = (c[0] & 0x00f800f8) >> 3;
pand(xmm4, xmm0);
psrlw(xmm4, 3);
// GSVector4i g = (c[1] & 0x00f800f8) << 2;
pand(xmm5, xmm0);
psllw(xmm5, 2);
por(xmm4, xmm5);
// GSVector4i b = (c[2] & 0x00f800f8) << 7;
pand(xmm6, xmm0);
psllw(xmm6, 7);
por(xmm4, xmm6);
if(m_sel.md)
{
// GSVector4i a = GSVector4i(0x80008000);
por(xmm4, xmm2);
}
else if(m_sel.tme)
{
// GSVector4i a = (c[3] << 8) & 0x80008000;
psllw(xmm3, 8);
pand(xmm3, xmm2);
por(xmm4, xmm3);
}
// fs = fs.blend8(fd, test);
movdqa(xmm0, xmm7);
blend8(xmm4, xmm1);
// GSVector4i::store<false>(fb, fs);
// movdqu(ptr[edi], xmm4);
movq(qword[edi], xmm4);
movhps(qword[edi + 8], xmm4);
}
void GPUDrawScanlineCodeGenerator::ReadTexel(const Xmm& dst, const Xmm& addr)
{
for(int i = 0; i < 8; i++)
{
pextrw(eax, addr, (uint8)i);
if(m_sel.tlu) movzx(eax, byte[esi + eax]);
const Address& src = m_sel.tlu ? ptr[eax * 2 + (size_t)m_local.gd->clut] : ptr[esi + eax * 2];
if(i == 0) movd(dst, src);
else pinsrw(dst, src, (uint8)i);
}
}
template<int shift>
void GPUDrawScanlineCodeGenerator::modulate16(const Xmm& a, const Operand& f)
{
if(shift == 0 && m_cpu.has(util::Cpu::tSSSE3))
{
pmulhrsw(a, f);
}
else
{
psllw(a, shift + 1);
pmulhw(a, f);
}
}
template<int shift>
void GPUDrawScanlineCodeGenerator::lerp16(const Xmm& a, const Xmm& b, const Operand& f)
{
psubw(a, b);
modulate16<shift>(a, f);
paddw(a, b);
}
void GPUDrawScanlineCodeGenerator::alltrue()
{
pmovmskb(eax, xmm7);
cmp(eax, 0xffff);
je("step", T_NEAR);
}
void GPUDrawScanlineCodeGenerator::blend8(const Xmm& a, const Xmm& b)
{
if(m_cpu.has(util::Cpu::tSSE41))
{
pblendvb(a, b);
}
else
{
blend(a, b, xmm0);
}
}
void GPUDrawScanlineCodeGenerator::blend(const Xmm& a, const Xmm& b, const Xmm& mask)
{
pand(b, mask);
pandn(mask, a);
por(b, mask);
movdqa(a, b);
}
const GSVector4i GPUDrawScanlineCodeGenerator::m_test[8] =
{
GSVector4i(0xffff0000, 0xffffffff, 0xffffffff, 0xffffffff),
GSVector4i(0x00000000, 0xffffffff, 0xffffffff, 0xffffffff),
GSVector4i(0x00000000, 0xffff0000, 0xffffffff, 0xffffffff),
GSVector4i(0x00000000, 0x00000000, 0xffffffff, 0xffffffff),
GSVector4i(0x00000000, 0x00000000, 0xffff0000, 0xffffffff),
GSVector4i(0x00000000, 0x00000000, 0x00000000, 0xffffffff),
GSVector4i(0x00000000, 0x00000000, 0x00000000, 0xffff0000),
GSVector4i::zero(),
};
__aligned(const uint16, 32) GPUDrawScanlineCodeGenerator::m_dither[4][16] =
{
{7, 0, 6, 1, 7, 0, 6, 1, 7, 0, 6, 1, 7, 0, 6, 1},
{2, 5, 3, 4, 2, 5, 3, 4, 2, 5, 3, 4, 2, 5, 3, 4},
{1, 6, 0, 7, 1, 6, 0, 7, 1, 6, 0, 7, 1, 6, 0, 7},
{4, 3, 5, 2, 4, 3, 5, 2, 4, 3, 5, 2, 4, 3, 5, 2},
};