pcsx2/plugins/GSdx/GPUDrawScanline.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
*
*/
#include "stdafx.h"
#include "GPUDrawScanline.h"
GPUDrawScanline::GPUDrawScanline()
: m_sp_map("GPUSetupPrim", &m_local)
, m_ds_map("GPUDrawScanline", &m_local)
{
memset(&m_local, 0, sizeof(m_local));
m_local.gd = &m_global;
}
GPUDrawScanline::~GPUDrawScanline()
{
}
void GPUDrawScanline::BeginDraw(const void* param)
{
memcpy(&m_global, param, sizeof(m_global));
if(m_global.sel.tme && m_global.sel.twin)
{
uint32 u, v;
u = ~(m_global.twin.x << 3) & 0xff; // TWW
v = ~(m_global.twin.y << 3) & 0xff; // TWH
m_local.twin[0].u = GSVector4i((u << 16) | u);
m_local.twin[0].v = GSVector4i((v << 16) | v);
u = m_global.twin.z << 3; // TWX
v = m_global.twin.w << 3; // TWY
m_local.twin[1].u = GSVector4i((u << 16) | u) & ~m_local.twin[0].u;
m_local.twin[1].v = GSVector4i((v << 16) | v) & ~m_local.twin[0].v;
}
m_ds = m_ds_map[m_global.sel];
m_de = NULL;
m_dr = NULL; // TODO
// doesn't need all bits => less functions generated
GPUScanlineSelector sel;
sel.key = 0;
sel.iip = m_global.sel.iip;
sel.tfx = m_global.sel.tfx;
sel.twin = m_global.sel.twin;
sel.sprite = m_global.sel.sprite;
m_sp = m_sp_map[sel];
}
void GPUDrawScanline::EndDraw(const GSRasterizerStats& stats, uint64 frame)
{
m_ds_map.UpdateStats(stats, frame);
}
void GPUDrawScanline::PrintStats()
{
m_ds_map.PrintStats();
}
#ifndef JIT_DRAW
void GPUDrawScanline::SetupPrim(const GSVertexSW* vertices, const GSVertexSW& dscan)
{
GPUScanlineSelector sel = m_global.sel;
const GSVector4* shift = GPUSetupPrimCodeGenerator::m_shift;
if(sel.tme && !sel.twin)
{
if(sel.sprite)
{
GSVector4i t = (GSVector4i(vertices[1].t) >> 8) - GSVector4i::x00000001();
t = t.ps32(t);
t = t.upl16(t);
m_local.twin[2].u = t.xxxx();
m_local.twin[2].v = t.yyyy();
}
else
{
// TODO: not really needed
m_local.twin[2].u = GSVector4i::x00ff();
m_local.twin[2].v = GSVector4i::x00ff();
}
}
if(sel.tme || sel.iip && sel.tfx != 3)
{
GSVector4 dt = dscan.t;
GSVector4 dc = dscan.c;
GSVector4i dtc8 = GSVector4i(dt * shift[0]).ps32(GSVector4i(dc * shift[0]));
if(sel.tme)
{
m_local.d8.st = dtc8.upl16(dtc8);
}
if(sel.iip && sel.tfx != 3)
{
m_local.d8.c = dtc8.uph16(dtc8);
}
if(sel.tme)
{
GSVector4 dtx = dt.xxxx();
GSVector4 dty = dt.yyyy();
m_local.d.s = GSVector4i(dtx * shift[1]).ps32(GSVector4i(dtx * shift[2]));
m_local.d.t = GSVector4i(dty * shift[1]).ps32(GSVector4i(dty * shift[2]));
}
if(sel.iip && sel.tfx != 3)
{
GSVector4 dcx = dc.xxxx();
GSVector4 dcy = dc.yyyy();
GSVector4 dcz = dc.zzzz();
m_local.d.r = GSVector4i(dcx * shift[1]).ps32(GSVector4i(dcx * shift[2]));
m_local.d.g = GSVector4i(dcy * shift[1]).ps32(GSVector4i(dcy * shift[2]));
m_local.d.b = GSVector4i(dcz * shift[1]).ps32(GSVector4i(dcz * shift[2]));
}
}
}
void GPUDrawScanline::DrawScanline(int pixels, int left, int top, const GSVertexSW& scan)
{
// TODO: not tested yet, probably bogus
GPUScanlineSelector sel = m_global.sel;
GSVector4i s, t;
GSVector4i uf, vf;
GSVector4i rf, gf, bf;
GSVector4i dither;
// Init
uint16* fb = (uint16*)m_global.vm + (top << (10 + sel.scalex)) + left;
int steps = pixels - 8;
if(sel.dtd)
{
dither = GSVector4i::load<false>(&GPUDrawScanlineCodeGenerator::m_dither[top & 3][left & 3]);
}
if(sel.tme)
{
GSVector4i vt = GSVector4i(scan.t).xxzzl();
s = vt.xxxx().add16(m_local.d.s);
t = vt.yyyy();
if(!sel.sprite)
{
t = t.add16(m_local.d.t);
}
else
{
if(sel.ltf)
{
vf = t.sll16(1).srl16(1);
}
}
}
if(sel.tfx != 3)
{
GSVector4i vc = GSVector4i(scan.c).xxzzlh();
rf = vc.xxxx();
gf = vc.yyyy();
bf = vc.zzzz();
if(sel.iip)
{
rf = rf.add16(m_local.d.r);
gf = gf.add16(m_local.d.g);
bf = bf.add16(m_local.d.b);
}
}
while(1)
{
do
{
GSVector4i test = GPUDrawScanlineCodeGenerator::m_test[7 + (steps & (steps >> 31))];
GSVector4i fd = GSVector4i::load(fb, fb + 8);
GSVector4i r, g, b, a;
// TestMask
if(sel.me)
{
test |= fd.sra16(15);
if(test.alltrue()) continue;
}
// SampleTexture
if(sel.tme)
{
GSVector4i u0, v0, u1, v1;
GSVector4i addr00, addr01, addr10, addr11;
GSVector4i c00, c01, c10, c11;
if(sel.ltf)
{
u0 = s.sub16(GSVector4i(0x00200020)); // - 0.125f
v0 = t.sub16(GSVector4i(0x00200020)); // - 0.125f
uf = u0.sll16(8).srl16(1);
vf = v0.sll16(8).srl16(1);;
}
else
{
u0 = s;
v0 = t;
}
u0 = u0.srl16(8);
v0 = v0.srl16(8);
if(sel.ltf)
{
u1 = u0.add16(GSVector4i::x0001());
v1 = v0.add16(GSVector4i::x0001());
if(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);
}
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);
}
addr00 = v0.sll16(8) | u0;
addr01 = v0.sll16(8) | u1;
addr10 = v1.sll16(8) | u0;
addr11 = v1.sll16(8) | u1;
// TODO
if(sel.tlu)
{
c00 = addr00.gather16_16((const uint16*)m_global.vm, m_global.clut);
c01 = addr01.gather16_16((const uint16*)m_global.vm, m_global.clut);
c10 = addr10.gather16_16((const uint16*)m_global.vm, m_global.clut);
c11 = addr11.gather16_16((const uint16*)m_global.vm, m_global.clut);
}
else
{
c00 = addr00.gather16_16((const uint16*)m_global.vm);
c01 = addr01.gather16_16((const uint16*)m_global.vm);
c10 = addr10.gather16_16((const uint16*)m_global.vm);
c11 = addr11.gather16_16((const uint16*)m_global.vm);
}
GSVector4i r00 = c00.sll16(11).srl16(8);
GSVector4i r01 = c01.sll16(11).srl16(8);
GSVector4i r10 = c10.sll16(11).srl16(8);
GSVector4i r11 = c11.sll16(11).srl16(8);
r00 = r00.lerp16<0>(r01, uf);
r10 = r10.lerp16<0>(r11, uf);
GSVector4i g00 = c00.sll16(6).srl16(11).sll16(3);
GSVector4i g01 = c01.sll16(6).srl16(11).sll16(3);
GSVector4i g10 = c10.sll16(6).srl16(11).sll16(3);
GSVector4i g11 = c11.sll16(6).srl16(11).sll16(3);
g00 = g00.lerp16<0>(g01, uf);
g10 = g10.lerp16<0>(g11, uf);
GSVector4i b00 = c00.sll16(1).srl16(11).sll16(3);
GSVector4i b01 = c01.sll16(1).srl16(11).sll16(3);
GSVector4i b10 = c10.sll16(1).srl16(11).sll16(3);
GSVector4i b11 = c11.sll16(1).srl16(11).sll16(3);
b00 = b00.lerp16<0>(b01, uf);
b10 = b10.lerp16<0>(b11, uf);
GSVector4i a00 = c00.sra16(15).sll16(8);
GSVector4i a01 = c01.sra16(15).sll16(8);
GSVector4i a10 = c10.sra16(15).sll16(8);
GSVector4i a11 = c11.sra16(15).sll16(8);
a00 = a00.lerp16<0>(a01, uf);
a10 = a10.lerp16<0>(a11, uf);
r = r00.lerp16<0>(r10, vf);
g = g00.lerp16<0>(g10, vf);
b = b00.lerp16<0>(b10, vf);
a = a00.lerp16<0>(a10, vf);
test |= (r | g | b | a).eq16(GSVector4i::zero()); // mask out blank pixels (not perfect)
a = a.gt16(GSVector4i::zero());
}
else
{
if(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);
}
else
{
u0 = u0.min_i16(m_local.twin[2].u);
v0 = v0.min_i16(m_local.twin[2].v);
}
addr00 = v0.sll16(8) | u0;
// TODO
if(sel.tlu)
{
c00 = addr00.gather16_16((const uint16*)m_global.vm, m_global.clut);
}
else
{
c00 = addr00.gather16_16((const uint16*)m_global.vm);
}
r = (c00 << 3) & 0x00f800f8;
g = (c00 >> 2) & 0x00f800f8;
b = (c00 >> 7) & 0x00f800f8;
a = c00.sra16(15);
test |= c00.eq16(GSVector4i::zero()); // mask out blank pixels
}
}
// ColorTFX
switch(sel.tfx)
{
case 0: // none (tfx = 0)
case 1: // none (tfx = tge)
r = rf.srl16(7);
g = gf.srl16(7);
b = bf.srl16(7);
break;
case 2: // modulate (tfx = tme | tge)
r = r.modulate16<1>(rf).clamp8();
g = g.modulate16<1>(gf).clamp8();
b = b.modulate16<1>(bf).clamp8();
break;
case 3: // decal (tfx = tme)
break;
default:
__assume(0);
}
// AlphaBlend
if(sel.abe)
{
GSVector4i rs = r;
GSVector4i gs = g;
GSVector4i bs = b;
GSVector4i rd = (fd & 0x001f001f) << 3;
GSVector4i gd = (fd & 0x03e003e0) >> 2;
GSVector4i bd = (fd & 0x7c007c00) >> 7;
switch(sel.abr)
{
case 0:
r = rd.avg8(rs);
g = gd.avg8(gs);
b = bd.avg8(bs);
break;
case 1:
r = rd.addus8(rs);
g = gd.addus8(gs);
b = bd.addus8(bs);
break;
case 2:
r = rd.subus8(rs);
g = gd.subus8(gs);
b = bd.subus8(bs);
break;
case 3:
r = rd.addus8(rs.srl16(2));
g = gd.addus8(gs.srl16(2));
b = bd.addus8(bs.srl16(2));
break;
default:
__assume(0);
}
if(sel.tme)
{
r = rs.blend8(rd, a);
g = gs.blend8(gd, a);
b = bs.blend8(bd, a);
}
}
// Dither
if(sel.dtd)
{
r = r.addus8(dither);
g = g.addus8(dither);
b = b.addus8(dither);
}
// WriteFrame
GSVector4i fs = r | g | b | (sel.md ? GSVector4i(0x80008000) : sel.tme ? a : GSVector4i::zero());
fs = fs.blend8(fd, test);
GSVector4i::store(fb, fb + 8, fs);
}
while(0);
if(steps <= 0) break;
steps -= 8;
fb += 8;
if(sel.tme)
{
GSVector4i st = m_local.d8.st;
s = s.add16(st.xxxx());
t = t.add16(st.yyyy());
}
if(sel.tfx != 3) // != decal
{
if(sel.iip)
{
GSVector4i c = m_local.d8.c;
rf = rf.add16(c.xxxx());
gf = gf.add16(c.yyyy());
bf = bf.add16(c.zzzz());
}
}
}
}
void GPUDrawScanline::DrawEdge(int pixels, int left, int top, const GSVertexSW& scan)
{
ASSERT(0);
}
void GPUDrawScanline::DrawRect(const GSVector4i& r, const GSVertexSW& v)
{
// TODO
}
#endif