mirror of https://github.com/PCSX2/pcsx2.git
179 lines
4.1 KiB
C++
179 lines
4.1 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 "GPUDrawScanline.h"
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GPUDrawScanline::GPUDrawScanline(GPUState* state, int id)
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: m_state(state)
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, m_id(id)
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, m_ds(m_env)
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{
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}
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GPUDrawScanline::~GPUDrawScanline()
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{
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}
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void GPUDrawScanline::BeginDraw(const GSRasterizerData* data, Functions* f)
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{
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GPUDrawingEnvironment& env = m_state->m_env;
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const GPUScanlineParam* p = (const GPUScanlineParam*)data->param;
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m_env.sel = p->sel;
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m_env.vm = m_state->m_mem.GetPixelAddress(0, 0);
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m_env.fbw = 10 + m_state->m_mem.GetScale().cx;
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if(m_env.sel.tme)
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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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if(m_env.sel.twin)
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{
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DWORD u, v;
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u = ~(env.TWIN.TWW << 3) & 0xff;
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v = ~(env.TWIN.TWH << 3) & 0xff;
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m_env.twin[0].u = GSVector4i((u << 16) | u);
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m_env.twin[0].v = GSVector4i((v << 16) | v);
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u = env.TWIN.TWX << 3;
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v = env.TWIN.TWY << 3;
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m_env.twin[1].u = GSVector4i((u << 16) | u) & ~m_env.twin[0].u;
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m_env.twin[1].v = GSVector4i((v << 16) | v) & ~m_env.twin[0].v;
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}
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}
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//
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f->ssl = m_ds.Lookup(m_env.sel);
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f->sr = NULL; // TODO
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//
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DWORD sel = 0;
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sel |= (data->primclass == GS_SPRITE_CLASS ? 1 : 0) << 0;
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sel |= m_env.sel.tme << 1;
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sel |= m_env.sel.iip << 2;
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f->sp = m_sp.Lookup(sel);
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}
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template<DWORD sprite, DWORD tme, DWORD iip>
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void GPUDrawScanline::SetupPrim(const GSVertexSW* vertices, const GSVertexSW& dscan)
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{
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if(m_env.sel.tme && !m_env.sel.twin)
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{
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if(sprite)
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{
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GSVector4i t;
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t = (GSVector4i(vertices[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_env.twin[2].u = t.xxxx();
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m_env.twin[2].v = t.yyyy();
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}
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else
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{
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m_env.twin[2].u = GSVector4i::x00ff();
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m_env.twin[2].v = GSVector4i::x00ff();
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}
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}
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GSVector4 ps0123 = GSVector4::ps0123();
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GSVector4 ps4567 = GSVector4::ps4567();
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GSVector4 dt = dscan.t;
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GSVector4 dc = dscan.c;
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GSVector4i dtc8 = GSVector4i(dt * 8.0f).ps32(GSVector4i(dc * 8.0f));
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if(tme)
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{
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m_env.d8.st = dtc8.upl16(dtc8);
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m_env.d.s = GSVector4i(dt.xxxx() * ps0123).ps32(GSVector4i(dt.xxxx() * ps4567));
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m_env.d.t = GSVector4i(dt.yyyy() * ps0123).ps32(GSVector4i(dt.yyyy() * ps4567));
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}
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if(iip)
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{
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m_env.d8.c = dtc8.uph16(dtc8);
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m_env.d.r = GSVector4i(dc.xxxx() * ps0123).ps32(GSVector4i(dc.xxxx() * ps4567));
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m_env.d.g = GSVector4i(dc.yyyy() * ps0123).ps32(GSVector4i(dc.yyyy() * ps4567));
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m_env.d.b = GSVector4i(dc.zzzz() * ps0123).ps32(GSVector4i(dc.zzzz() * ps4567));
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}
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else
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{
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// TODO: m_env.c.r/g/b = ...
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}
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}
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//
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GPUDrawScanline::GPUSetupPrimMap::GPUSetupPrimMap()
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{
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#define InitSP_IIP(sprite, tme, iip) \
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m_default[sprite][tme][iip] = (SetupPrimPtr)&GPUDrawScanline::SetupPrim<sprite, tme, iip>; \
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#define InitSP_TME(sprite, tme) \
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InitSP_IIP(sprite, tme, 0) \
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InitSP_IIP(sprite, tme, 1) \
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#define InitSP_SPRITE(sprite) \
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InitSP_TME(sprite, 0) \
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InitSP_TME(sprite, 1) \
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InitSP_SPRITE(0);
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InitSP_SPRITE(1);
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}
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IDrawScanline::SetupPrimPtr GPUDrawScanline::GPUSetupPrimMap::GetDefaultFunction(DWORD key)
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{
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DWORD sprite = (key >> 0) & 1;
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DWORD tme = (key >> 1) & 1;
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DWORD iip = (key >> 2) & 1;
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return m_default[sprite][tme][iip];
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}
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//
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GPUDrawScanline::GPUDrawScanlineMap::GPUDrawScanlineMap(GPUScanlineEnvironment& env)
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: m_env(env)
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{
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}
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GPUDrawScanlineCodeGenerator* GPUDrawScanline::GPUDrawScanlineMap::Create(DWORD key, void* ptr, size_t maxsize)
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{
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return new GPUDrawScanlineCodeGenerator(m_env, ptr, maxsize);
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}
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