mirror of https://github.com/PCSX2/pcsx2.git
374 lines
8.6 KiB
C++
374 lines
8.6 KiB
C++
/* ZZ Open GL graphics plugin
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* Copyright (c)2009-2010 zeydlitz@gmail.com, arcum42@gmail.com
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* Based on Zerofrog's ZeroGS KOSMOS (c)2005-2008
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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 of the License, or
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* (at your option) 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "ZZKick.h"
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#include "targets.h"
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const u32 g_primmult[8] = { 1, 2, 2, 3, 3, 3, 2, 0xff };
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const u32 g_primsub[8] = { 1, 2, 1, 3, 1, 1, 2, 0 };
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const GLenum primtype[8] = { GL_POINTS, GL_LINES, GL_LINES, GL_TRIANGLES, GL_TRIANGLES, GL_TRIANGLES, GL_TRIANGLES, 0xffffffff };
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extern float fiTexWidth[2], fiTexHeight[2]; // current tex width and height
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DrawFn drawfn[8] = { KickDummy, KickDummy, KickDummy, KickDummy,
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KickDummy, KickDummy, KickDummy, KickDummy
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};
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void init_drawfn()
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{
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drawfn[0] = KickPoint;
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drawfn[1] = KickLine;
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drawfn[2] = KickLine;
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drawfn[3] = KickTriangle;
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drawfn[4] = KickTriangle;
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drawfn[5] = KickTriangleFan;
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drawfn[6] = KickSprite;
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drawfn[7] = KickDummy;
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}
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void clear_drawfn()
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{
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drawfn[0] = KickDummy;
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drawfn[1] = KickDummy;
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drawfn[2] = KickDummy;
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drawfn[3] = KickDummy;
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drawfn[4] = KickDummy;
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drawfn[5] = KickDummy;
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drawfn[6] = KickDummy;
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drawfn[7] = KickDummy;
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}
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// Still thinking about the best place to put this.
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// called on a primitive switch
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void Prim()
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{
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FUNCLOG
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VB& curvb = vb[prim->ctxt];
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if (curvb.CheckPrim()) Flush(prim->ctxt);
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curvb.curprim._val = prim->_val;
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curvb.curprim.prim = prim->prim;
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}
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__forceinline void MOVZ(VertexGPU *p, u32 gsz, const VB& curvb)
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{
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p->z = (curvb.zprimmask == 0xffff) ? min((u32)0xffff, gsz) : gsz;
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}
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__forceinline void MOVFOG(VertexGPU *p, Vertex gsf)
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{
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p->f = ((s16)(gsf).f << 7) | 0x7f;
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}
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// return true if triangle SHOULD be painted.
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// Hackish and should be replaced.
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bool __forceinline NoHighlights(int i)
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{
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// This is hack-code, I still in search of correct reason, why some triangles should not be drawn.
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int dummy = 0;
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u32 resultA = prim->iip + (2 * (prim->tme)) + (4 * (prim->fge)) + (8 * (prim->abe)) + (16 * (prim->aa1)) + (32 * (prim->fst)) + (64 * (prim->ctxt)) + (128 * (prim->fix));
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const pixTest curtest = vb[i].test;
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u32 result = curtest.ate + ((curtest.atst) << 1) +((curtest.afail) << 4) + ((curtest.date) << 6) + ((curtest.datm) << 7) + ((curtest.zte) << 8) + ((curtest.ztst)<< 9);
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if ((resultA == 0x310a) && (result == 0x0)) return false; // Radiata Stories
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//Old code
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return (!(conf.settings().xenosaga_spec) || !vb[i].zbuf.zmsk || prim->iip) ;
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}
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void __forceinline KICK_VERTEX2()
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{
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FUNCLOG
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if (++gs.primC >= (int)g_primmult[prim->prim])
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{
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if (NoHighlights(prim->ctxt)) (*drawfn[prim->prim])();
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gs.primC -= g_primsub[prim->prim];
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}
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}
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void __forceinline KICK_VERTEX3()
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{
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FUNCLOG
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if (++gs.primC >= (int)g_primmult[prim->prim])
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{
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gs.primC -= g_primsub[prim->prim];
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if (prim->prim == 5)
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{
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/* tri fans need special processing */
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if (gs.nTriFanVert == gs.primIndex)
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gs.primIndex = gs.primNext();
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}
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}
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}
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void __forceinline KickVertex(bool adc)
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{
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FUNCLOG
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if (++gs.primC >= (int)g_primmult[prim->prim])
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{
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if (!adc && NoHighlights(prim->ctxt)) (*drawfn[prim->prim])();
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gs.primC -= g_primsub[prim->prim];
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if (adc && prim->prim == 5)
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{
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/* tri fans need special processing */
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if (gs.nTriFanVert == gs.primIndex)
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gs.primIndex = gs.primNext();
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}
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}
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}
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inline void SET_VERTEX(VertexGPU *p, int Index, const VB& curvb)
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{
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int index = Index;
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p->x = ((((int)gs.gsvertex[index].x - curvb.offset.x) >> 1) & 0xffff);
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p->y = ((((int)gs.gsvertex[index].y - curvb.offset.y) >> 1) & 0xffff);
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p->f = ((s16)gs.gsvertex[index].f << 7) | 0x7f;
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MOVZ(p, gs.gsvertex[index].z, curvb);
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p->rgba = prim->iip ? gs.gsvertex[index].rgba : gs.rgba;
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// This code is somehow incorrect
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// if ((gs.texa.aem) && ((p->rgba & 0xffffff ) == 0))
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// p->rgba = 0;
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if (conf.settings().texa)
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{
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u32 B = ((p->rgba & 0xfe000000) >> 1) +
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(0x01000000 * curvb.fba.fba) ;
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p->rgba = (p->rgba & 0xffffff) + B;
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}
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if (prim->tme)
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{
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if (prim->fst)
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{
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p->s = (float)gs.gsvertex[index].u * fiTexWidth[prim->ctxt];
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p->t = (float)gs.gsvertex[index].v * fiTexHeight[prim->ctxt];
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p->q = 1;
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}
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else
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{
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p->s = gs.gsvertex[index].s;
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p->t = gs.gsvertex[index].t;
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p->q = gs.gsvertex[index].q;
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}
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}
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}
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static __forceinline void OUTPUT_VERT(VertexGPU vert, u32 id)
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{
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#ifdef WRITE_PRIM_LOGS
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ZZLog::Prim_Log("%c%d(%d): xyzf=(%4d,%4d,0x%x,%3d), rgba=0x%8.8x, stq = (%2.5f,%2.5f,%2.5f)\n",
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id == 0 ? '*' : ' ', id, prim->prim, vert.x / 8, vert.y / 8, vert.z, vert.f / 128,
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vert.rgba, Clamp(vert.s, -10, 10), Clamp(vert.t, -10, 10), Clamp(vert.q, -10, 10));
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#endif
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}
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void KickPoint()
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{
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FUNCLOG
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assert(gs.primC >= 1);
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VB& curvb = vb[prim->ctxt];
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curvb.FlushTexData();
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if ((vb[!prim->ctxt].nCount > 0) && (vb[prim->ctxt].gsfb.fbp == vb[!prim->ctxt].gsfb.fbp))
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{
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assert(vb[prim->ctxt].nCount == 0);
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Flush(!prim->ctxt);
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}
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curvb.NotifyWrite(1);
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int last = gs.primNext(2);
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VertexGPU* p = curvb.pBufferData + curvb.nCount;
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SET_VERTEX(&p[0], last, curvb);
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curvb.nCount++;
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OUTPUT_VERT(p[0], 0);
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}
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void KickLine()
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{
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FUNCLOG
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assert(gs.primC >= 2);
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VB& curvb = vb[prim->ctxt];
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curvb.FlushTexData();
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if ((vb[!prim->ctxt].nCount > 0) && (vb[prim->ctxt].gsfb.fbp == vb[!prim->ctxt].gsfb.fbp))
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{
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assert(vb[prim->ctxt].nCount == 0);
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Flush(!prim->ctxt);
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}
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curvb.NotifyWrite(2);
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int next = gs.primNext();
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int last = gs.primNext(2);
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VertexGPU* p = curvb.pBufferData + curvb.nCount;
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SET_VERTEX(&p[0], next, curvb);
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SET_VERTEX(&p[1], last, curvb);
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curvb.nCount += 2;
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OUTPUT_VERT(p[0], 0);
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OUTPUT_VERT(p[1], 1);
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}
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void KickTriangle()
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{
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FUNCLOG
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assert(gs.primC >= 3);
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VB& curvb = vb[prim->ctxt];
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curvb.FlushTexData();
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if ((vb[!prim->ctxt].nCount > 0) && (vb[prim->ctxt].gsfb.fbp == vb[!prim->ctxt].gsfb.fbp))
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{
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assert(vb[prim->ctxt].nCount == 0);
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Flush(!prim->ctxt);
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}
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curvb.NotifyWrite(3);
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VertexGPU* p = curvb.pBufferData + curvb.nCount;
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SET_VERTEX(&p[0], 0, curvb);
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SET_VERTEX(&p[1], 1, curvb);
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SET_VERTEX(&p[2], 2, curvb);
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curvb.nCount += 3;
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OUTPUT_VERT(p[0], 0);
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OUTPUT_VERT(p[1], 1);
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OUTPUT_VERT(p[2], 2);
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}
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void KickTriangleFan()
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{
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FUNCLOG
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assert(gs.primC >= 3);
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VB& curvb = vb[prim->ctxt];
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curvb.FlushTexData();
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if ((vb[!prim->ctxt].nCount > 0) && (vb[prim->ctxt].gsfb.fbp == vb[!prim->ctxt].gsfb.fbp))
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{
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assert(vb[prim->ctxt].nCount == 0);
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Flush(!prim->ctxt);
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}
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curvb.NotifyWrite(3);
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VertexGPU* p = curvb.pBufferData + curvb.nCount;
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SET_VERTEX(&p[0], 0, curvb);
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SET_VERTEX(&p[1], 1, curvb);
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SET_VERTEX(&p[2], 2, curvb);
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curvb.nCount += 3;
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// add 1 to skip the first vertex
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if (gs.primIndex == gs.nTriFanVert) gs.primIndex = gs.primNext();
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OUTPUT_VERT(p[0], 0);
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OUTPUT_VERT(p[1], 1);
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OUTPUT_VERT(p[2], 2);
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}
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void SetKickVertex(VertexGPU *p, Vertex v, int next, const VB& curvb)
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{
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SET_VERTEX(p, next, curvb);
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MOVZ(p, v.z, curvb);
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MOVFOG(p, v);
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}
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void KickSprite()
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{
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FUNCLOG
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assert(gs.primC >= 2);
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VB& curvb = vb[prim->ctxt];
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curvb.FlushTexData();
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if ((vb[!prim->ctxt].nCount > 0) && (vb[prim->ctxt].gsfb.fbp == vb[!prim->ctxt].gsfb.fbp))
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{
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assert(vb[prim->ctxt].nCount == 0);
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Flush(!prim->ctxt);
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}
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curvb.NotifyWrite(6);
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int next = gs.primNext();
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int last = gs.primNext(2);
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// sprite is too small and AA shows lines (tek4, Mana Khemia)
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gs.gsvertex[last].x += (4 * AA.x);
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gs.gsvertex[last].y += (4 * AA.y);
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// might be bad sprite (KH dialog text)
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//if( gs.gsvertex[next].x == gs.gsvertex[last].x || gs.gsvertex[next].y == gs.gsvertex[last].y )
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//return;
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VertexGPU* p = curvb.pBufferData + curvb.nCount;
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SetKickVertex(&p[0], gs.gsvertex[last], next, curvb);
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SetKickVertex(&p[3], gs.gsvertex[last], next, curvb);
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SetKickVertex(&p[1], gs.gsvertex[last], last, curvb);
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SetKickVertex(&p[4], gs.gsvertex[last], last, curvb);
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SetKickVertex(&p[2], gs.gsvertex[last], next, curvb);
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p[2].s = p[1].s;
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p[2].x = p[1].x;
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SetKickVertex(&p[5], gs.gsvertex[last], last, curvb);
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p[5].s = p[0].s;
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p[5].x = p[0].x;
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curvb.nCount += 6;
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OUTPUT_VERT(p[0], 0);
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OUTPUT_VERT(p[1], 1);
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}
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void KickDummy()
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{
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FUNCLOG
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//ZZLog::Greg_Log("Kicking bad primitive: %.8x\n", *(u32*)prim);
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}
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