mirror of https://github.com/PCSX2/pcsx2.git
492 lines
11 KiB
C++
492 lines
11 KiB
C++
/*
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* Copyright (C) 2007-2009 Gabest
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* http://www.gabest.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#include "stdafx.h"
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#include "GPUDrawScanline.h"
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GPUDrawScanline::GPUDrawScanline()
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: m_sp_map("GPUSetupPrim", &m_local)
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, m_ds_map("GPUDrawScanline", &m_local)
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{
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memset(&m_local, 0, sizeof(m_local));
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m_local.gd = &m_global;
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}
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void GPUDrawScanline::BeginDraw(const GSRasterizerData* data)
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{
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memcpy(&m_global, &((const SharedData*)data)->global, sizeof(m_global));
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if(m_global.sel.tme && m_global.sel.twin)
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{
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uint32 u, v;
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u = ~(m_global.twin.x << 3) & 0xff; // TWW
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v = ~(m_global.twin.y << 3) & 0xff; // TWH
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m_local.twin[0].u = GSVector4i((u << 16) | u);
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m_local.twin[0].v = GSVector4i((v << 16) | v);
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u = m_global.twin.z << 3; // TWX
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v = m_global.twin.w << 3; // TWY
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m_local.twin[1].u = GSVector4i((u << 16) | u) & ~m_local.twin[0].u;
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m_local.twin[1].v = GSVector4i((v << 16) | v) & ~m_local.twin[0].v;
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}
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m_ds = m_ds_map[m_global.sel];
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m_de = NULL;
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m_dr = NULL; // TODO
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// doesn't need all bits => less functions generated
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GPUScanlineSelector sel;
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sel.key = 0;
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sel.iip = m_global.sel.iip;
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sel.tfx = m_global.sel.tfx;
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sel.twin = m_global.sel.twin;
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sel.sprite = m_global.sel.sprite;
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m_sp = m_sp_map[sel];
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}
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void GPUDrawScanline::EndDraw(uint64 frame, uint64 ticks, int actual, int total)
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{
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m_ds_map.UpdateStats(frame, ticks, actual, total);
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}
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#ifndef ENABLE_JIT_RASTERIZER
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void GPUDrawScanline::SetupPrim(const GSVertexSW* vertex, const uint32* index, const GSVertexSW& dscan)
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{
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GPUScanlineSelector sel = m_global.sel;
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const GSVector4* shift = GPUSetupPrimCodeGenerator::m_shift;
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if(sel.tme && !sel.twin)
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{
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if(sel.sprite)
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{
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GSVector4i t = (GSVector4i(vertex[index[1]].t) >> 8) - GSVector4i::x00000001();
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t = t.ps32(t);
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t = t.upl16(t);
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m_local.twin[2].u = t.xxxx();
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m_local.twin[2].v = t.yyyy();
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}
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else
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{
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// TODO: not really needed
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m_local.twin[2].u = GSVector4i::x00ff();
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m_local.twin[2].v = GSVector4i::x00ff();
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}
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}
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if(sel.tme || sel.iip && sel.tfx != 3)
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{
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GSVector4 dt = dscan.t;
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GSVector4 dc = dscan.c;
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GSVector4i dtc8 = GSVector4i(dt * shift[0]).ps32(GSVector4i(dc * shift[0]));
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if(sel.tme)
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{
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m_local.d8.st = dtc8.upl16(dtc8);
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}
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if(sel.iip && sel.tfx != 3)
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{
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m_local.d8.c = dtc8.uph16(dtc8);
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}
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if(sel.tme)
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{
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GSVector4 dtx = dt.xxxx();
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GSVector4 dty = dt.yyyy();
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m_local.d.s = GSVector4i(dtx * shift[1]).ps32(GSVector4i(dtx * shift[2]));
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m_local.d.t = GSVector4i(dty * shift[1]).ps32(GSVector4i(dty * shift[2]));
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}
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if(sel.iip && sel.tfx != 3)
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{
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GSVector4 dcx = dc.xxxx();
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GSVector4 dcy = dc.yyyy();
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GSVector4 dcz = dc.zzzz();
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m_local.d.r = GSVector4i(dcx * shift[1]).ps32(GSVector4i(dcx * shift[2]));
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m_local.d.g = GSVector4i(dcy * shift[1]).ps32(GSVector4i(dcy * shift[2]));
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m_local.d.b = GSVector4i(dcz * shift[1]).ps32(GSVector4i(dcz * shift[2]));
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}
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}
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}
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void GPUDrawScanline::DrawScanline(int pixels, int left, int top, const GSVertexSW& scan)
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{
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// TODO: not tested yet, probably bogus
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GPUScanlineSelector sel = m_global.sel;
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GSVector4i s, t;
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GSVector4i uf, vf;
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GSVector4i rf, gf, bf;
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GSVector4i dither;
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// Init
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uint16* fb = (uint16*)m_global.vm + (top << (10 + sel.scalex)) + left;
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int steps = pixels - 8;
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if(sel.dtd)
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{
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dither = GSVector4i::load<false>(&GPUDrawScanlineCodeGenerator::m_dither[top & 3][left & 3]);
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}
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if(sel.tme)
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{
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GSVector4i vt = GSVector4i(scan.t).xxzzl();
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s = vt.xxxx().add16(m_local.d.s);
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t = vt.yyyy();
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if(!sel.sprite)
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{
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t = t.add16(m_local.d.t);
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}
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else
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{
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if(sel.ltf)
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{
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vf = t.sll16(1).srl16(1);
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}
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}
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}
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if(sel.tfx != 3)
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{
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GSVector4i vc = GSVector4i(scan.c).xxzzlh();
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rf = vc.xxxx();
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gf = vc.yyyy();
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bf = vc.zzzz();
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if(sel.iip)
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{
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rf = rf.add16(m_local.d.r);
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gf = gf.add16(m_local.d.g);
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bf = bf.add16(m_local.d.b);
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}
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}
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while(1)
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{
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do
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{
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GSVector4i test = GPUDrawScanlineCodeGenerator::m_test[7 + (steps & (steps >> 31))];
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GSVector4i fd = GSVector4i::load(fb, fb + 8);
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GSVector4i r, g, b, a;
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// TestMask
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if(sel.me)
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{
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test |= fd.sra16(15);
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if(test.alltrue()) continue;
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}
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// SampleTexture
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if(sel.tme)
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{
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GSVector4i u0, v0, u1, v1;
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GSVector4i addr00, addr01, addr10, addr11;
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GSVector4i c00, c01, c10, c11;
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if(sel.ltf)
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{
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u0 = s.sub16(GSVector4i(0x00200020)); // - 0.125f
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v0 = t.sub16(GSVector4i(0x00200020)); // - 0.125f
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uf = u0.sll16(8).srl16(1);
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vf = v0.sll16(8).srl16(1);;
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}
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else
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{
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u0 = s;
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v0 = t;
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}
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u0 = u0.srl16(8);
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v0 = v0.srl16(8);
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if(sel.ltf)
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{
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u1 = u0.add16(GSVector4i::x0001());
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v1 = v0.add16(GSVector4i::x0001());
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if(sel.twin)
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{
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u0 = (u0 & m_local.twin[0].u).add16(m_local.twin[1].u);
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v0 = (v0 & m_local.twin[0].v).add16(m_local.twin[1].v);
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u1 = (u1 & m_local.twin[0].u).add16(m_local.twin[1].u);
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v1 = (v1 & m_local.twin[0].v).add16(m_local.twin[1].v);
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}
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else
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{
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u0 = u0.min_i16(m_local.twin[2].u);
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v0 = v0.min_i16(m_local.twin[2].v);
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u1 = u1.min_i16(m_local.twin[2].u);
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v1 = v1.min_i16(m_local.twin[2].v);
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}
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addr00 = v0.sll16(8) | u0;
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addr01 = v0.sll16(8) | u1;
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addr10 = v1.sll16(8) | u0;
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addr11 = v1.sll16(8) | u1;
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// TODO
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if(sel.tlu)
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{
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c00 = addr00.gather16_16((const uint16*)m_global.vm, m_global.clut);
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c01 = addr01.gather16_16((const uint16*)m_global.vm, m_global.clut);
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c10 = addr10.gather16_16((const uint16*)m_global.vm, m_global.clut);
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c11 = addr11.gather16_16((const uint16*)m_global.vm, m_global.clut);
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}
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else
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{
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c00 = addr00.gather16_16((const uint16*)m_global.vm);
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c01 = addr01.gather16_16((const uint16*)m_global.vm);
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c10 = addr10.gather16_16((const uint16*)m_global.vm);
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c11 = addr11.gather16_16((const uint16*)m_global.vm);
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}
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GSVector4i r00 = c00.sll16(11).srl16(8);
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GSVector4i r01 = c01.sll16(11).srl16(8);
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GSVector4i r10 = c10.sll16(11).srl16(8);
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GSVector4i r11 = c11.sll16(11).srl16(8);
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r00 = r00.lerp16<0>(r01, uf);
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r10 = r10.lerp16<0>(r11, uf);
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GSVector4i g00 = c00.sll16(6).srl16(11).sll16(3);
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GSVector4i g01 = c01.sll16(6).srl16(11).sll16(3);
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GSVector4i g10 = c10.sll16(6).srl16(11).sll16(3);
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GSVector4i g11 = c11.sll16(6).srl16(11).sll16(3);
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g00 = g00.lerp16<0>(g01, uf);
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g10 = g10.lerp16<0>(g11, uf);
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GSVector4i b00 = c00.sll16(1).srl16(11).sll16(3);
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GSVector4i b01 = c01.sll16(1).srl16(11).sll16(3);
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GSVector4i b10 = c10.sll16(1).srl16(11).sll16(3);
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GSVector4i b11 = c11.sll16(1).srl16(11).sll16(3);
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b00 = b00.lerp16<0>(b01, uf);
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b10 = b10.lerp16<0>(b11, uf);
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GSVector4i a00 = c00.sra16(15).sll16(8);
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GSVector4i a01 = c01.sra16(15).sll16(8);
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GSVector4i a10 = c10.sra16(15).sll16(8);
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GSVector4i a11 = c11.sra16(15).sll16(8);
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a00 = a00.lerp16<0>(a01, uf);
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a10 = a10.lerp16<0>(a11, uf);
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r = r00.lerp16<0>(r10, vf);
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g = g00.lerp16<0>(g10, vf);
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b = b00.lerp16<0>(b10, vf);
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a = a00.lerp16<0>(a10, vf);
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test |= (r | g | b | a).eq16(GSVector4i::zero()); // mask out blank pixels (not perfect)
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a = a.gt16(GSVector4i::zero());
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}
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else
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{
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if(sel.twin)
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{
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u0 = (u0 & m_local.twin[0].u).add16(m_local.twin[1].u);
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v0 = (v0 & m_local.twin[0].v).add16(m_local.twin[1].v);
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}
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else
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{
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u0 = u0.min_i16(m_local.twin[2].u);
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v0 = v0.min_i16(m_local.twin[2].v);
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}
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addr00 = v0.sll16(8) | u0;
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// TODO
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if(sel.tlu)
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{
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c00 = addr00.gather16_16((const uint16*)m_global.vm, m_global.clut);
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}
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else
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{
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c00 = addr00.gather16_16((const uint16*)m_global.vm);
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}
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r = (c00 << 3) & 0x00f800f8;
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g = (c00 >> 2) & 0x00f800f8;
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b = (c00 >> 7) & 0x00f800f8;
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a = c00.sra16(15);
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test |= c00.eq16(GSVector4i::zero()); // mask out blank pixels
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}
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}
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// ColorTFX
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switch(sel.tfx)
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{
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case 0: // none (tfx = 0)
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case 1: // none (tfx = tge)
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r = rf.srl16(7);
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g = gf.srl16(7);
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b = bf.srl16(7);
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break;
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case 2: // modulate (tfx = tme | tge)
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r = r.modulate16<1>(rf).clamp8();
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g = g.modulate16<1>(gf).clamp8();
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b = b.modulate16<1>(bf).clamp8();
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break;
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case 3: // decal (tfx = tme)
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break;
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default:
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__assume(0);
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}
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// AlphaBlend
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if(sel.abe)
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{
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GSVector4i rs = r;
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GSVector4i gs = g;
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GSVector4i bs = b;
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GSVector4i rd = (fd & 0x001f001f) << 3;
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GSVector4i gd = (fd & 0x03e003e0) >> 2;
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GSVector4i bd = (fd & 0x7c007c00) >> 7;
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switch(sel.abr)
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{
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case 0:
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r = rd.avg8(rs);
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g = gd.avg8(gs);
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b = bd.avg8(bs);
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break;
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case 1:
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r = rd.addus8(rs);
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g = gd.addus8(gs);
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b = bd.addus8(bs);
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break;
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case 2:
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r = rd.subus8(rs);
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g = gd.subus8(gs);
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b = bd.subus8(bs);
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break;
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case 3:
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r = rd.addus8(rs.srl16(2));
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g = gd.addus8(gs.srl16(2));
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b = bd.addus8(bs.srl16(2));
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break;
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default:
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__assume(0);
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}
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if(sel.tme)
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{
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r = rs.blend8(rd, a);
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g = gs.blend8(gd, a);
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b = bs.blend8(bd, a);
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}
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}
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// Dither
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if(sel.dtd)
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{
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r = r.addus8(dither);
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g = g.addus8(dither);
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b = b.addus8(dither);
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}
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// WriteFrame
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GSVector4i fs = r | g | b | (sel.md ? GSVector4i(0x80008000) : sel.tme ? a : GSVector4i::zero());
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fs = fs.blend8(fd, test);
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GSVector4i::store(fb, fb + 8, fs);
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}
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while(0);
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if(steps <= 0) break;
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steps -= 8;
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fb += 8;
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if(sel.tme)
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{
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GSVector4i st = m_local.d8.st;
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s = s.add16(st.xxxx());
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t = t.add16(st.yyyy());
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}
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if(sel.tfx != 3) // != decal
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{
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if(sel.iip)
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{
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GSVector4i c = m_local.d8.c;
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rf = rf.add16(c.xxxx());
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gf = gf.add16(c.yyyy());
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bf = bf.add16(c.zzzz());
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}
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}
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}
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}
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void GPUDrawScanline::DrawEdge(int pixels, int left, int top, const GSVertexSW& scan)
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{
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ASSERT(0);
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}
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void GPUDrawScanline::DrawRect(const GSVector4i& r, const GSVertexSW& v)
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{
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// TODO
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}
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#endif
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