pcsx2/plugins/GSdx/GPUDrawScanline.cpp

179 lines
4.1 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
*
*/
#include "StdAfx.h"
#include "GPUDrawScanline.h"
GPUDrawScanline::GPUDrawScanline(GPUState* state, int id)
: m_state(state)
, m_id(id)
, m_ds(m_env)
{
}
GPUDrawScanline::~GPUDrawScanline()
{
}
void GPUDrawScanline::BeginDraw(const GSRasterizerData* data, Functions* f)
{
GPUDrawingEnvironment& env = m_state->m_env;
const GPUScanlineParam* p = (const GPUScanlineParam*)data->param;
m_env.sel = p->sel;
m_env.vm = m_state->m_mem.GetPixelAddress(0, 0);
m_env.fbw = 10 + m_state->m_mem.GetScale().cx;
if(m_env.sel.tme)
{
m_env.tex = p->tex;
m_env.clut = p->clut;
if(m_env.sel.twin)
{
DWORD u, v;
u = ~(env.TWIN.TWW << 3) & 0xff;
v = ~(env.TWIN.TWH << 3) & 0xff;
m_env.twin[0].u = GSVector4i((u << 16) | u);
m_env.twin[0].v = GSVector4i((v << 16) | v);
u = env.TWIN.TWX << 3;
v = env.TWIN.TWY << 3;
m_env.twin[1].u = GSVector4i((u << 16) | u) & ~m_env.twin[0].u;
m_env.twin[1].v = GSVector4i((v << 16) | v) & ~m_env.twin[0].v;
}
}
//
f->ssl = m_ds.Lookup(m_env.sel);
f->sr = NULL; // TODO
//
DWORD sel = 0;
sel |= (data->primclass == GS_SPRITE_CLASS ? 1 : 0) << 0;
sel |= m_env.sel.tme << 1;
sel |= m_env.sel.iip << 2;
f->sp = m_sp.Lookup(sel);
}
template<DWORD sprite, DWORD tme, DWORD iip>
void GPUDrawScanline::SetupPrim(const GSVertexSW* vertices, const GSVertexSW& dscan)
{
if(m_env.sel.tme && !m_env.sel.twin)
{
if(sprite)
{
GSVector4i t;
t = (GSVector4i(vertices[1].t) >> 8) - GSVector4i::x00000001();
t = t.ps32(t);
t = t.upl16(t);
m_env.twin[2].u = t.xxxx();
m_env.twin[2].v = t.yyyy();
}
else
{
m_env.twin[2].u = GSVector4i::x00ff();
m_env.twin[2].v = GSVector4i::x00ff();
}
}
GSVector4 ps0123 = GSVector4::ps0123();
GSVector4 ps4567 = GSVector4::ps4567();
GSVector4 dt = dscan.t;
GSVector4 dc = dscan.c;
GSVector4i dtc8 = GSVector4i(dt * 8.0f).ps32(GSVector4i(dc * 8.0f));
if(tme)
{
m_env.d8.st = dtc8.upl16(dtc8);
m_env.d.s = GSVector4i(dt.xxxx() * ps0123).ps32(GSVector4i(dt.xxxx() * ps4567));
m_env.d.t = GSVector4i(dt.yyyy() * ps0123).ps32(GSVector4i(dt.yyyy() * ps4567));
}
if(iip)
{
m_env.d8.c = dtc8.uph16(dtc8);
m_env.d.r = GSVector4i(dc.xxxx() * ps0123).ps32(GSVector4i(dc.xxxx() * ps4567));
m_env.d.g = GSVector4i(dc.yyyy() * ps0123).ps32(GSVector4i(dc.yyyy() * ps4567));
m_env.d.b = GSVector4i(dc.zzzz() * ps0123).ps32(GSVector4i(dc.zzzz() * ps4567));
}
else
{
// TODO: m_env.c.r/g/b = ...
}
}
//
GPUDrawScanline::GPUSetupPrimMap::GPUSetupPrimMap()
{
#define InitSP_IIP(sprite, tme, iip) \
m_default[sprite][tme][iip] = (SetupPrimPtr)&GPUDrawScanline::SetupPrim<sprite, tme, iip>; \
#define InitSP_TME(sprite, tme) \
InitSP_IIP(sprite, tme, 0) \
InitSP_IIP(sprite, tme, 1) \
#define InitSP_SPRITE(sprite) \
InitSP_TME(sprite, 0) \
InitSP_TME(sprite, 1) \
InitSP_SPRITE(0);
InitSP_SPRITE(1);
}
IDrawScanline::SetupPrimPtr GPUDrawScanline::GPUSetupPrimMap::GetDefaultFunction(DWORD key)
{
DWORD sprite = (key >> 0) & 1;
DWORD tme = (key >> 1) & 1;
DWORD iip = (key >> 2) & 1;
return m_default[sprite][tme][iip];
}
//
GPUDrawScanline::GPUDrawScanlineMap::GPUDrawScanlineMap(GPUScanlineEnvironment& env)
: m_env(env)
{
}
GPUDrawScanlineCodeGenerator* GPUDrawScanline::GPUDrawScanlineMap::Create(DWORD key, void* ptr, size_t maxsize)
{
return new GPUDrawScanlineCodeGenerator(m_env, ptr, maxsize);
}