pcsx2/plugins/GSdx/GSDrawingContext.h

219 lines
5.4 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include "GS.h"
#include "GSLocalMemory.h"
__aligned(class, 32) GSDrawingContext
{
public:
GIFRegXYOFFSET XYOFFSET;
GIFRegTEX0 TEX0;
GIFRegTEX1 TEX1;
GIFRegTEX2 TEX2;
GIFRegCLAMP CLAMP;
GIFRegMIPTBP1 MIPTBP1;
GIFRegMIPTBP2 MIPTBP2;
GIFRegSCISSOR SCISSOR;
GIFRegALPHA ALPHA;
GIFRegTEST TEST;
GIFRegFBA FBA;
GIFRegFRAME FRAME;
GIFRegZBUF ZBUF;
struct
{
GSVector4 in;
GSVector4i ex;
GSVector4 ofex;
GSVector4i ofxy;
} scissor;
struct
{
GSOffset* fb;
GSOffset* zb;
GSOffset* tex;
GSPixelOffset* fzb;
GSPixelOffset4* fzb4;
} offset;
GSDrawingContext()
{
memset(&offset, 0, sizeof(offset));
Reset();
}
void Reset()
{
memset(&XYOFFSET, 0, sizeof(XYOFFSET));
memset(&TEX0, 0, sizeof(TEX0));
memset(&TEX1, 0, sizeof(TEX1));
memset(&TEX2, 0, sizeof(TEX2));
memset(&CLAMP, 0, sizeof(CLAMP));
memset(&MIPTBP1, 0, sizeof(MIPTBP1));
memset(&MIPTBP2, 0, sizeof(MIPTBP2));
memset(&SCISSOR, 0, sizeof(SCISSOR));
memset(&ALPHA, 0, sizeof(ALPHA));
memset(&TEST, 0, sizeof(TEST));
memset(&FBA, 0, sizeof(FBA));
memset(&FRAME, 0, sizeof(FRAME));
memset(&ZBUF, 0, sizeof(ZBUF));
}
void UpdateScissor()
{
ASSERT(XYOFFSET.OFX <= 0xf800 && XYOFFSET.OFY <= 0xf800);
scissor.ex.u16[0] = (uint16)((SCISSOR.SCAX0 << 4) + XYOFFSET.OFX - 0x8000);
scissor.ex.u16[1] = (uint16)((SCISSOR.SCAY0 << 4) + XYOFFSET.OFY - 0x8000);
scissor.ex.u16[2] = (uint16)((SCISSOR.SCAX1 << 4) + XYOFFSET.OFX - 0x8000);
scissor.ex.u16[3] = (uint16)((SCISSOR.SCAY1 << 4) + XYOFFSET.OFY - 0x8000);
scissor.ofex = GSVector4(
(int)((SCISSOR.SCAX0 << 4) + XYOFFSET.OFX),
(int)((SCISSOR.SCAY0 << 4) + XYOFFSET.OFY),
(int)((SCISSOR.SCAX1 << 4) + XYOFFSET.OFX),
(int)((SCISSOR.SCAY1 << 4) + XYOFFSET.OFY));
scissor.in = GSVector4(
(int)SCISSOR.SCAX0,
(int)SCISSOR.SCAY0,
(int)SCISSOR.SCAX1 + 1,
(int)SCISSOR.SCAY1 + 1);
scissor.ofxy = GSVector4i(
0x8000,
0x8000,
(int)XYOFFSET.OFX - 15,
(int)XYOFFSET.OFY - 15);
}
bool DepthRead() const
{
return TEST.ZTE && TEST.ZTST >= 2;
}
bool DepthWrite() const
{
if(TEST.ATE && TEST.ATST == ATST_NEVER && TEST.AFAIL != AFAIL_ZB_ONLY) // alpha test, all pixels fail, z buffer is not updated
{
return false;
}
return ZBUF.ZMSK == 0 && TEST.ZTE != 0; // ZTE == 0 is bug on the real hardware, write is blocked then
}
void Dump(const std::string& filename)
{
// Append on purpose so env + context are merged into a single file
FILE* fp = fopen(filename.c_str(), "at");
if (!fp) return;
fprintf(fp, "XYOFFSET\n"
"\tX:%d\n"
"\tY:%d\n\n"
, XYOFFSET.OFX, XYOFFSET.OFY);
fprintf(fp, "TEX0\n"
"\tTBP0:0x%x\n"
"\tTBW:%d\n"
"\tPSM:0x%x\n"
"\tTW:%d\n"
"\tTCC:%d\n"
"\tTFX:%d\n"
"\tCBP:0x%x\n"
"\tCPSM:0x%x\n"
"\tCSM:%d\n"
"\tCSA:%d\n"
"\tCLD:%d\n"
"\tTH:%lld\n\n"
, TEX0.TBP0, TEX0.TBW, TEX0.PSM, TEX0.TW, TEX0.TCC, TEX0.TFX, TEX0.CBP, TEX0.CPSM, TEX0.CSM, TEX0.CSA, TEX0.CLD, TEX0.TH);
fprintf(fp, "TEX1\n"
"\tLCM:%d\n"
"\tMXL:%d\n"
"\tMMAG:%d\n"
"\tMMIN:%d\n"
"\tMTBA:%d\n"
"\tL:%d\n"
"\tK:%d\n\n"
, TEX1.LCM, TEX1.MXL, TEX1.MMAG, TEX1.MMIN, TEX1.MTBA, TEX1.L, TEX1.K);
fprintf(fp, "TEX2\n"
"\tPSM:0x%x\n"
"\tCBP:0x%x\n"
"\tCPSM:0x%x\n"
"\tCSM:%d\n"
"\tCSA:%d\n"
"\tCLD:%d\n\n"
, TEX2.PSM, TEX2.CBP, TEX2.CPSM, TEX2.CSM, TEX2.CSA, TEX2.CLD);
fprintf(fp, "CLAMP\n"
"\tWMS:%d\n"
"\tWMT:%d\n"
"\tMINU:%d\n"
"\tMAXU:%d\n"
"\tMAXV:%d\n"
"\tMINV:%lld\n\n"
, CLAMP.WMS, CLAMP.WMT, CLAMP.MINU, CLAMP.MAXU, CLAMP.MAXV, CLAMP.MINV);
// TODO mimmap? (yes I'm lazy)
fprintf(fp, "SCISSOR\n"
"\tX0:%d\n"
"\tX1:%d\n"
"\tY0:%d\n"
"\tY1:%d\n\n"
, SCISSOR.SCAX0, SCISSOR.SCAX1, SCISSOR.SCAY0, SCISSOR.SCAY1);
fprintf(fp, "ALPHA\n"
"\tA:%d\n"
"\tB:%d\n"
"\tC:%d\n"
"\tD:%d\n"
"\tFIX:%d\n\n"
, ALPHA.A, ALPHA.B, ALPHA.C, ALPHA.D, ALPHA.FIX);
fprintf(fp, "TEST\n"
"\tATE:%d\n"
"\tATST:%d\n"
"\tAREF:%d\n"
"\tAFAIL:%d\n"
"\tDATE:%d\n"
"\tDATM:%d\n"
"\tZTE:%d\n"
"\tZTST:%d\n\n"
, TEST.ATE, TEST.ATST, TEST.AREF, TEST.AFAIL, TEST.DATE, TEST.DATM, TEST.ZTE, TEST.ZTST);
fprintf(fp, "FBA\n"
"\tFBA:%d\n\n"
, FBA.FBA);
fprintf(fp, "FRAME\n"
"\tFBP (*32):0x%x\n"
"\tFBW:%d\n"
"\tPSM:0x%x\n"
"\tFBMSK:0x%x\n\n"
, FRAME.FBP*32, FRAME.FBW, FRAME.PSM, FRAME.FBMSK);
fprintf(fp, "ZBUF\n"
"\tZBP (*32):0x%x\n"
"\tPSM:0x%x\n"
"\tZMSK:%d\n\n"
, ZBUF.ZBP*32, ZBUF.PSM, ZBUF.ZMSK);
fclose(fp);
}
};