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pcsx2/plugins/GSdx/GSRendererDX.h

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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
*
*/
#pragma once
#include "GSRendererHW.h"
#include "GSTextureFX.h"
template<class Vertex>
class GSRendererDX : public GSRendererHW<Vertex>
{
GSTextureFX* m_tfx;
bool m_logz;
bool m_fba;
protected:
int m_topology;
GSVector2 m_pixelcenter;
virtual void SetupDATE(GSTexture* rt, GSTexture* ds) {}
virtual void UpdateFBA(GSTexture* rt) {}
public:
GSRendererDX(uint8* base, bool mt, void (*irq)(), GSDevice* dev, GSTextureCache* tc, GSTextureFX* tfx)
: GSRendererHW<Vertex>(base, mt, irq, dev, tc)
, m_tfx(tfx)
, m_topology(-1)
, m_pixelcenter(0, 0)
{
m_logz = !!theApp.GetConfig("logz", 0);
m_fba = !!theApp.GetConfig("fba", 1);
}
virtual ~GSRendererDX()
{
delete m_tfx;
}
bool Create(const string& title)
{
if(!__super::Create(title))
return false;
if(!m_tfx->Create(m_dev))
return false;
return true;
}
void Draw(GS_PRIM_CLASS primclass, GSTexture* rt, GSTexture* ds, GSTextureCache::Source* tex)
{
GSDrawingEnvironment& env = m_env;
GSDrawingContext* context = m_context;
//
SetupDATE(rt, ds);
//
m_dev->BeginScene();
// om
GSTextureFX::OMDepthStencilSelector om_dssel;
om_dssel.zte = context->TEST.ZTE;
om_dssel.ztst = context->TEST.ZTST;
om_dssel.zwe = !context->ZBUF.ZMSK;
om_dssel.date = context->FRAME.PSM != PSM_PSMCT24 ? context->TEST.DATE : 0;
om_dssel.fba = m_fba ? context->FBA.FBA : 0;
GSTextureFX::OMBlendSelector om_bsel;
om_bsel.abe = !IsOpaque();
if(om_bsel.abe)
{
om_bsel.a = context->ALPHA.A;
om_bsel.b = context->ALPHA.B;
om_bsel.c = context->ALPHA.C;
om_bsel.d = context->ALPHA.D;
if(env.PABE.PABE)
{
if(om_bsel.a == 0 && om_bsel.b == 1 && om_bsel.c == 0 && om_bsel.d == 1)
{
// this works because with PABE alpha blending is on when alpha >= 0x80, but since the pixel shader
// cannot output anything over 0x80 (== 1.0) blending with 0x80 or turning it off gives the same result
om_bsel.abe = 0;
}
else
{
ASSERT(0);
}
}
}
om_bsel.wr = (context->FRAME.FBMSK & 0x000000ff) != 0x000000ff;
om_bsel.wg = (context->FRAME.FBMSK & 0x0000ff00) != 0x0000ff00;
om_bsel.wb = (context->FRAME.FBMSK & 0x00ff0000) != 0x00ff0000;
om_bsel.wa = (context->FRAME.FBMSK & 0xff000000) != 0xff000000;
// vs
GSTextureFX::VSSelector vs_sel;
vs_sel.bppz = 0;
vs_sel.tme = PRIM->TME;
vs_sel.fst = PRIM->FST;
vs_sel.logz = m_logz ? 1 : 0;
vs_sel.prim = primclass;
if(om_dssel.zte && om_dssel.ztst > 0 && om_dssel.zwe)
{
if(context->ZBUF.PSM == PSM_PSMZ24)
{
if(m_vt.m_max.p.z > 0xffffff)
{
ASSERT(m_vt.m_min.p.z > 0xffffff);
vs_sel.bppz = 1;
om_dssel.ztst = 1;
}
}
else if(context->ZBUF.PSM == PSM_PSMZ16 || context->ZBUF.PSM == PSM_PSMZ16S)
{
if(m_vt.m_max.p.z > 0xffff)
{
ASSERT(m_vt.m_min.p.z > 0xffff); // sfex capcom logo
vs_sel.bppz = 2;
om_dssel.ztst = 1;
}
}
}
GSTextureFX::VSConstantBuffer vs_cb;
float sx = 2.0f * rt->m_scale.x / (rt->GetWidth() * 16);
float sy = 2.0f * rt->m_scale.y / (rt->GetHeight() * 16);
float ox = (float)(int)context->XYOFFSET.OFX;
float oy = (float)(int)context->XYOFFSET.OFY;
float ox2 = 2.0f * m_pixelcenter.x / rt->GetWidth();
float oy2 = 2.0f * m_pixelcenter.y / rt->GetHeight();
vs_cb.VertexScale = GSVector4(sx, -sy, 1.0f / UINT_MAX, 0.0f);
vs_cb.VertexOffset = GSVector4(ox * sx + ox2 + 1, -(oy * sy + oy2 + 1), 0.0f, -1.0f);
if(PRIM->TME)
{
if(PRIM->FST)
{
vs_cb.TextureScale.x = 1.0f / (16 << context->TEX0.TW);
vs_cb.TextureScale.y = 1.0f / (16 << context->TEX0.TH);
}
else
{
vs_cb.TextureScale = GSVector2(1.0f, 1.0f);
}
}
// gs
GSTextureFX::GSSelector gs_sel;
gs_sel.iip = PRIM->IIP;
gs_sel.prim = primclass;
// ps
GSTextureFX::PSSelector ps_sel;
ps_sel.fst = PRIM->FST;
ps_sel.wms = context->CLAMP.WMS;
ps_sel.wmt = context->CLAMP.WMT;
ps_sel.aem = env.TEXA.AEM;
ps_sel.tfx = context->TEX0.TFX;
ps_sel.tcc = context->TEX0.TCC;
ps_sel.ate = context->TEST.ATE;
ps_sel.atst = context->TEST.ATST;
ps_sel.fog = PRIM->FGE;
ps_sel.clr1 = om_bsel.abe && om_bsel.a == 1 && om_bsel.b == 2 && om_bsel.d == 1;
ps_sel.fba = context->FBA.FBA;
ps_sel.aout = context->FRAME.PSM == PSM_PSMCT16 || context->FRAME.PSM == PSM_PSMCT16S || (context->FRAME.FBMSK & 0xff000000) == 0x7f000000 ? 1 : 0;
ps_sel.ltf = m_filter == 2 ? IsLinear() : m_filter;
GSTextureFX::PSSamplerSelector ps_ssel;
ps_ssel.tau = 0;
ps_ssel.tav = 0;
ps_ssel.ltf = ps_sel.ltf;
GSTextureFX::PSConstantBuffer ps_cb;
if(ps_sel.fog)
{
ps_cb.FogColor_AREF = GSVector4((int)env.FOGCOL.FCR, (int)env.FOGCOL.FCG, (int)env.FOGCOL.FCB, 0) / 255;
}
if(ps_sel.ate)
{
switch(ps_sel.atst)
{
case ATST_LESS:
ps_cb.FogColor_AREF.a = (float)((int)context->TEST.AREF - 1);
break;
case ATST_GREATER:
ps_cb.FogColor_AREF.a = (float)((int)context->TEST.AREF + 1);
break;
default:
ps_cb.FogColor_AREF.a = (float)(int)context->TEST.AREF;
break;
}
}
if(tex)
{
ps_sel.fmt = tex->m_fmt;
ps_sel.rt = tex->m_target;
int w = tex->m_texture->GetWidth();
int h = tex->m_texture->GetHeight();
ps_cb.WH = GSVector4((int)(1 << context->TEX0.TW), (int)(1 << context->TEX0.TH), w, h);
ps_cb.HalfTexel = GSVector4(-0.5f, 0.5f).xxyy() / GSVector4(w, h).xyxy();
ps_cb.MinF_TA.z = (float)(int)env.TEXA.TA0 / 255;
ps_cb.MinF_TA.w = (float)(int)env.TEXA.TA1 / 255;
switch(context->CLAMP.WMS)
{
case CLAMP_REPEAT:
ps_ssel.tau = 1;
break;
case CLAMP_CLAMP:
ps_ssel.tau = 0;
break;
case CLAMP_REGION_CLAMP:
ps_cb.MinMax.x = ((float)(int)context->CLAMP.MINU) / (1 << context->TEX0.TW);
ps_cb.MinMax.z = ((float)(int)context->CLAMP.MAXU) / (1 << context->TEX0.TW);
ps_cb.MinF_TA.x = ((float)(int)context->CLAMP.MINU + 0.5f) / (1 << context->TEX0.TW);
ps_ssel.tau = 0;
break;
case CLAMP_REGION_REPEAT:
ps_cb.MskFix.x = context->CLAMP.MINU;
ps_cb.MskFix.z = context->CLAMP.MAXU;
ps_ssel.tau = 1;
break;
default:
__assume(0);
}
switch(context->CLAMP.WMT)
{
case CLAMP_REPEAT:
ps_ssel.tav = 1;
break;
case CLAMP_CLAMP:
ps_ssel.tav = 0;
break;
case CLAMP_REGION_CLAMP:
ps_cb.MinMax.y = ((float)(int)context->CLAMP.MINV) / (1 << context->TEX0.TH);
ps_cb.MinMax.w = ((float)(int)context->CLAMP.MAXV) / (1 << context->TEX0.TH);
ps_cb.MinF_TA.y = ((float)(int)context->CLAMP.MINV + 0.5f) / (1 << context->TEX0.TH);
ps_ssel.tav = 0;
break;
case CLAMP_REGION_REPEAT:
ps_cb.MskFix.y = context->CLAMP.MINV;
ps_cb.MskFix.w = context->CLAMP.MAXV;
ps_ssel.tav = 1;
break;
default:
__assume(0);
}
}
else
{
ps_sel.tfx = 4;
}
// rs
int w = rt->GetWidth();
int h = rt->GetHeight();
GSVector4i scissor = GSVector4i(GSVector4(rt->m_scale).xyxy() * context->scissor.in).rintersect(GSVector4i(0, 0, w, h));
//
uint8 afix = context->ALPHA.FIX;
m_tfx->SetupOM(om_dssel, om_bsel, afix, rt, ds);
m_tfx->SetupIA(m_vertices, m_count, m_topology);
m_tfx->SetupVS(vs_sel, &vs_cb);
m_tfx->SetupGS(gs_sel);
m_tfx->SetupPS(ps_sel, &ps_cb, ps_ssel, tex ? tex->m_texture : NULL, tex ? tex->m_palette : NULL);
m_tfx->SetupRS(w, h, scissor);
// draw
if(context->TEST.DoFirstPass())
{
m_dev->DrawPrimitive();
}
if(context->TEST.DoSecondPass())
{
ASSERT(!env.PABE.PABE);
static const uint32 iatst[] = {1, 0, 5, 6, 7, 2, 3, 4};
ps_sel.atst = iatst[ps_sel.atst];
switch(ps_sel.atst)
{
case ATST_LESS:
ps_cb.FogColor_AREF.a = (float)((int)context->TEST.AREF - 1);
break;
case ATST_GREATER:
ps_cb.FogColor_AREF.a = (float)((int)context->TEST.AREF + 1);
break;
default:
ps_cb.FogColor_AREF.a = (float)(int)context->TEST.AREF;
break;
}
m_tfx->UpdatePS(ps_sel, &ps_cb, ps_ssel);
bool z = om_dssel.zwe;
bool r = om_bsel.wr;
bool g = om_bsel.wg;
bool b = om_bsel.wb;
bool a = om_bsel.wa;
switch(context->TEST.AFAIL)
{
case 0: z = r = g = b = a = false; break; // none
case 1: z = false; break; // rgba
case 2: r = g = b = a = false; break; // z
case 3: z = a = false; break; // rgb
default: __assume(0);
}
if(z || r || g || b || a)
{
om_dssel.zwe = z;
om_bsel.wr = r;
om_bsel.wg = g;
om_bsel.wb = b;
om_bsel.wa = a;
m_tfx->UpdateOM(om_dssel, om_bsel, afix);
m_dev->DrawPrimitive();
}
}
m_dev->EndScene();
if(om_dssel.fba) UpdateFBA(rt);
}
};
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