mirror of https://github.com/PCSX2/pcsx2.git
395 lines
8.8 KiB
C++
395 lines
8.8 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, 675 Mass Ave, Cambridge, MA 02139, 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 "GSDrawScanline.h"
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#include "GSTextureCacheSW.h"
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GSDrawScanline::GSDrawScanline(GSState* state, int id)
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: m_state(state)
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, m_id(id)
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, m_sp(this)
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, m_ds(this)
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{
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memset(&m_env, 0, sizeof(m_env));
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}
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GSDrawScanline::~GSDrawScanline()
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{
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}
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void GSDrawScanline::BeginDraw(const GSRasterizerData* data, Functions* f)
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{
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GSDrawingEnvironment& env = m_state->m_env;
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GSDrawingContext* context = m_state->m_context;
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const GSScanlineParam* p = (const GSScanlineParam*)data->param;
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m_env.sel = p->sel;
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m_env.vm = p->vm;
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m_env.fbr = p->fbo->row;
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m_env.zbr = p->zbo->row;
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m_env.fbc = p->fbo->col;
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m_env.zbc = p->zbo->col;
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m_env.fzbr = p->fzbo->row;
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m_env.fzbc = p->fzbo->col;
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m_env.fm = GSVector4i(p->fm);
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m_env.zm = GSVector4i(p->zm);
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m_env.aref = GSVector4i((int)context->TEST.AREF);
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m_env.afix = GSVector4i((int)context->ALPHA.FIX << 7).xxzzlh();
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m_env.frb = GSVector4i((int)env.FOGCOL.ai32[0] & 0x00ff00ff);
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m_env.fga = GSVector4i((int)(env.FOGCOL.ai32[0] >> 8) & 0x00ff00ff);
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m_env.dimx = env.dimx;
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if(m_env.sel.fpsm == 1)
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{
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m_env.fm |= GSVector4i::xff000000();
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}
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else if(m_env.sel.fpsm == 2)
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{
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GSVector4i rb = m_env.fm & 0x00f800f8;
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GSVector4i ga = m_env.fm & 0x8000f800;
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m_env.fm = (ga >> 16) | (rb >> 9) | (ga >> 6) | (rb >> 3) | GSVector4i::xffff0000();
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}
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if(m_env.sel.zpsm == 1)
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{
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m_env.zm |= GSVector4i::xff000000();
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}
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else if(m_env.sel.zpsm == 2)
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{
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m_env.zm |= GSVector4i::xffff0000();
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}
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if(m_env.sel.atst == ATST_LESS)
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{
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m_env.sel.atst = ATST_LEQUAL;
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m_env.aref -= GSVector4i::x00000001();
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}
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else if(m_env.sel.atst == ATST_GREATER)
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{
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m_env.sel.atst = ATST_GEQUAL;
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m_env.aref += GSVector4i::x00000001();
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}
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if(m_env.sel.tfx != TFX_NONE)
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{
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m_env.tex = p->tex;
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m_env.clut = p->clut;
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m_env.tw = p->tw;
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unsigned short tw = (unsigned short)(1 << context->TEX0.TW);
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unsigned short th = (unsigned short)(1 << context->TEX0.TH);
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switch(context->CLAMP.WMS)
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{
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case CLAMP_REPEAT:
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m_env.t.min.u16[0] = tw - 1;
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m_env.t.max.u16[0] = 0;
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m_env.t.mask.u32[0] = 0xffffffff;
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break;
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case CLAMP_CLAMP:
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m_env.t.min.u16[0] = 0;
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m_env.t.max.u16[0] = tw - 1;
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m_env.t.mask.u32[0] = 0;
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break;
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case CLAMP_REGION_CLAMP:
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m_env.t.min.u16[0] = min(context->CLAMP.MINU, tw - 1);
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m_env.t.max.u16[0] = min(context->CLAMP.MAXU, tw - 1);
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m_env.t.mask.u32[0] = 0;
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break;
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case CLAMP_REGION_REPEAT:
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m_env.t.min.u16[0] = context->CLAMP.MINU;
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m_env.t.max.u16[0] = context->CLAMP.MAXU;
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m_env.t.mask.u32[0] = 0xffffffff;
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break;
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default:
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__assume(0);
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}
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switch(context->CLAMP.WMT)
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{
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case CLAMP_REPEAT:
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m_env.t.min.u16[4] = th - 1;
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m_env.t.max.u16[4] = 0;
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m_env.t.mask.u32[2] = 0xffffffff;
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break;
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case CLAMP_CLAMP:
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m_env.t.min.u16[4] = 0;
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m_env.t.max.u16[4] = th - 1;
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m_env.t.mask.u32[2] = 0;
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break;
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case CLAMP_REGION_CLAMP:
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m_env.t.min.u16[4] = min(context->CLAMP.MINV, th - 1);
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m_env.t.max.u16[4] = min(context->CLAMP.MAXV, th - 1); // ffx anima summon scene, when the anchor appears (th = 256, maxv > 256)
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m_env.t.mask.u32[2] = 0;
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break;
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case CLAMP_REGION_REPEAT:
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m_env.t.min.u16[4] = context->CLAMP.MINV;
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m_env.t.max.u16[4] = context->CLAMP.MAXV;
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m_env.t.mask.u32[2] = 0xffffffff;
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break;
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default:
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__assume(0);
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}
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m_env.t.min = m_env.t.min.xxxxlh();
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m_env.t.max = m_env.t.max.xxxxlh();
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m_env.t.mask = m_env.t.mask.xxzz();
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m_env.t.invmask = ~m_env.t.mask;
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}
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//
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f->sl = (DrawScanlinePtr)&GSDrawScanline::DrawScanline;
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m_dsf = m_ds.Lookup(m_env.sel);
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f->ssl = m_dsf;
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//
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if(m_env.sel.IsSolidRect())
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{
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f->sr = (DrawSolidRectPtr)&GSDrawScanline::DrawSolidRect;
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}
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//
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f->sp = (SetupPrimPtr)&GSDrawScanline::SetupPrim;
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// doesn't need all bits => less functions generated
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GSScanlineSelector sel;
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sel.key = 0;
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sel.iip = m_env.sel.iip;
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sel.tfx = m_env.sel.tfx;
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sel.fst = m_env.sel.fst;
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sel.fge = m_env.sel.fge;
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sel.sprite = m_env.sel.sprite;
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sel.fb = m_env.sel.fb;
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sel.zb = m_env.sel.zb;
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sel.zoverflow = m_env.sel.zoverflow;
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m_spf = m_sp.Lookup(sel);
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f->ssp = m_spf;
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}
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void GSDrawScanline::EndDraw(const GSRasterizerStats& stats)
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{
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m_ds.UpdateStats(stats, m_state->m_perfmon.GetFrame());
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}
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void GSDrawScanline::SetupPrim(const GSVertexSW* vertices, const GSVertexSW& dscan)
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{
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// TODO: call this directly from rasterizer
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m_spf(vertices, dscan);
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}
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void GSDrawScanline::DrawScanline(int top, int left, int right, const GSVertexSW& v)
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{
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// TODO: call this directly from rasterizer
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m_dsf(top, left, right, v);
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}
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void GSDrawScanline::DrawSolidRect(const GSVector4i& r, const GSVertexSW& v)
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{
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ASSERT(r.y >= 0);
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ASSERT(r.w >= 0);
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// FIXME: sometimes the frame and z buffer may overlap, the outcome is undefined
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DWORD m;
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m = m_env.zm.u32[0];
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if(m != 0xffffffff)
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{
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DWORD z = (DWORD)(float)v.p.z;
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if(m_env.sel.zpsm != 2)
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{
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if(m == 0)
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{
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DrawSolidRectT<DWORD, false>(m_env.zbr, m_env.zbc[0], r, z, m);
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}
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else
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{
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DrawSolidRectT<DWORD, true>(m_env.zbr, m_env.zbc[0], r, z, m);
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}
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}
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else
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{
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if(m == 0)
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{
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DrawSolidRectT<WORD, false>(m_env.zbr, m_env.zbc[0], r, z, m);
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}
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else
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{
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DrawSolidRectT<WORD, true>(m_env.zbr, m_env.zbc[0], r, z, m);
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}
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}
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}
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m = m_env.fm.u32[0];
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if(m != 0xffffffff)
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{
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DWORD c = (GSVector4i(v.c) >> 7).rgba32();
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if(m_state->m_context->FBA.FBA)
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{
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c |= 0x80000000;
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}
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if(m_env.sel.fpsm != 2)
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{
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if(m == 0)
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{
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DrawSolidRectT<DWORD, false>(m_env.fbr, m_env.fbc[0], r, c, m);
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}
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else
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{
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DrawSolidRectT<DWORD, true>(m_env.fbr, m_env.fbc[0], r, c, m);
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}
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}
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else
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{
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c = ((c & 0xf8) >> 3) | ((c & 0xf800) >> 6) | ((c & 0xf80000) >> 9) | ((c & 0x80000000) >> 16);
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if(m == 0)
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{
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DrawSolidRectT<WORD, false>(m_env.fbr, m_env.fbc[0], r, c, m);
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}
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else
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{
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DrawSolidRectT<WORD, true>(m_env.fbr, m_env.fbc[0], r, c, m);
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}
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}
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}
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}
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template<class T, bool masked>
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void GSDrawScanline::DrawSolidRectT(const GSVector4i* row, int* col, const GSVector4i& r, DWORD c, DWORD m)
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{
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if(m == 0xffffffff) return;
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GSVector4i color((int)c);
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GSVector4i mask((int)m);
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if(sizeof(T) == sizeof(WORD))
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{
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color = color.xxzzlh();
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mask = mask.xxzzlh();
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}
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color = color.andnot(mask);
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GSVector4i bm(8 * 4 / sizeof(T) - 1, 8 - 1);
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GSVector4i br = (r + bm).andnot(bm.xyxy());
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FillRect<T, masked>(row, col, GSVector4i(r.x, r.y, r.z, br.y), c, m);
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FillRect<T, masked>(row, col, GSVector4i(r.x, br.w, r.z, r.w), c, m);
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if(r.x < br.x || br.z < r.z)
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{
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FillRect<T, masked>(row, col, GSVector4i(r.x, br.y, br.x, br.w), c, m);
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FillRect<T, masked>(row, col, GSVector4i(br.z, br.y, r.z, br.w), c, m);
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}
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FillBlock<T, masked>(row, col, br, color, mask);
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}
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template<class T, bool masked>
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void GSDrawScanline::FillRect(const GSVector4i* row, int* col, const GSVector4i& r, DWORD c, DWORD m)
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{
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if(r.x >= r.z) return;
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for(int y = r.y; y < r.w; y++)
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{
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DWORD base = row[y].x;
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for(int x = r.x; x < r.z; x++)
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{
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T* p = &((T*)m_env.vm)[base + col[x]];
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*p = (T)(!masked ? c : (c | (*p & m)));
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}
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}
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}
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template<class T, bool masked>
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void GSDrawScanline::FillBlock(const GSVector4i* row, int* col, const GSVector4i& r, const GSVector4i& c, const GSVector4i& m)
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{
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if(r.x >= r.z) return;
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for(int y = r.y; y < r.w; y += 8)
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{
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DWORD base = row[y].x;
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for(int x = r.x; x < r.z; x += 8 * 4 / sizeof(T))
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{
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GSVector4i* p = (GSVector4i*)&((T*)m_env.vm)[base + col[x]];
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for(int i = 0; i < 16; i += 4)
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{
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p[i + 0] = !masked ? c : (c | (p[i + 0] & m));
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p[i + 1] = !masked ? c : (c | (p[i + 1] & m));
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p[i + 2] = !masked ? c : (c | (p[i + 2] & m));
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p[i + 3] = !masked ? c : (c | (p[i + 3] & m));
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}
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}
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}
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}
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//
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GSDrawScanline::GSSetupPrimMap::GSSetupPrimMap(GSDrawScanline* ds)
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: m_ds(ds)
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{
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}
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GSSetupPrimCodeGenerator* GSDrawScanline::GSSetupPrimMap::Create(UINT64 key)
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{
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return new GSSetupPrimCodeGenerator(m_ds->m_env);
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}
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//
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GSDrawScanline::GSDrawScanlineMap::GSDrawScanlineMap(GSDrawScanline* ds)
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: m_ds(ds)
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{
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}
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GSDrawScanlineCodeGenerator* GSDrawScanline::GSDrawScanlineMap::Create(UINT64 key)
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{
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return new GSDrawScanlineCodeGenerator(m_ds->m_env);
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}
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