mirror of https://github.com/PCSX2/pcsx2.git
252 lines
6.1 KiB
C++
252 lines
6.1 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#pragma once
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#include "GS.h"
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#include "GSLocalMemory.h"
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class alignas(32) GSDrawingContext
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{
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public:
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GIFRegXYOFFSET XYOFFSET;
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GIFRegTEX0 TEX0;
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GIFRegTEX1 TEX1;
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GIFRegTEX2 TEX2;
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GIFRegCLAMP CLAMP;
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GIFRegMIPTBP1 MIPTBP1;
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GIFRegMIPTBP2 MIPTBP2;
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GIFRegSCISSOR SCISSOR;
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GIFRegALPHA ALPHA;
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GIFRegTEST TEST;
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GIFRegFBA FBA;
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GIFRegFRAME FRAME;
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GIFRegZBUF ZBUF;
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struct
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{
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GSVector4 in;
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GSVector4i ex;
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GSVector4 ofex;
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GSVector4i ofxy;
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} scissor;
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struct
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{
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GSOffset* fb;
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GSOffset* zb;
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GSOffset* tex;
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GSPixelOffset* fzb;
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GSPixelOffset4* fzb4;
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} offset;
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GSDrawingContext()
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{
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memset(&offset, 0, sizeof(offset));
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Reset();
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}
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void Reset()
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{
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memset(&XYOFFSET, 0, sizeof(XYOFFSET));
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memset(&TEX0, 0, sizeof(TEX0));
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memset(&TEX1, 0, sizeof(TEX1));
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memset(&TEX2, 0, sizeof(TEX2));
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memset(&CLAMP, 0, sizeof(CLAMP));
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memset(&MIPTBP1, 0, sizeof(MIPTBP1));
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memset(&MIPTBP2, 0, sizeof(MIPTBP2));
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memset(&SCISSOR, 0, sizeof(SCISSOR));
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memset(&ALPHA, 0, sizeof(ALPHA));
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memset(&TEST, 0, sizeof(TEST));
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memset(&FBA, 0, sizeof(FBA));
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memset(&FRAME, 0, sizeof(FRAME));
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memset(&ZBUF, 0, sizeof(ZBUF));
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}
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void UpdateScissor()
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{
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ASSERT(XYOFFSET.OFX <= 0xf800 && XYOFFSET.OFY <= 0xf800);
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scissor.ex.u16[0] = (uint16)((SCISSOR.SCAX0 << 4) + XYOFFSET.OFX - 0x8000);
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scissor.ex.u16[1] = (uint16)((SCISSOR.SCAY0 << 4) + XYOFFSET.OFY - 0x8000);
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scissor.ex.u16[2] = (uint16)((SCISSOR.SCAX1 << 4) + XYOFFSET.OFX - 0x8000);
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scissor.ex.u16[3] = (uint16)((SCISSOR.SCAY1 << 4) + XYOFFSET.OFY - 0x8000);
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scissor.ofex = GSVector4(
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(int)((SCISSOR.SCAX0 << 4) + XYOFFSET.OFX),
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(int)((SCISSOR.SCAY0 << 4) + XYOFFSET.OFY),
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(int)((SCISSOR.SCAX1 << 4) + XYOFFSET.OFX),
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(int)((SCISSOR.SCAY1 << 4) + XYOFFSET.OFY));
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scissor.in = GSVector4(
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(int)SCISSOR.SCAX0,
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(int)SCISSOR.SCAY0,
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(int)SCISSOR.SCAX1 + 1,
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(int)SCISSOR.SCAY1 + 1);
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scissor.ofxy = GSVector4i(
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0x8000,
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0x8000,
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(int)XYOFFSET.OFX - 15,
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(int)XYOFFSET.OFY - 15);
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}
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bool DepthRead() const
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{
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return TEST.ZTE && TEST.ZTST >= 2;
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}
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bool DepthWrite() const
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{
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if(TEST.ATE && TEST.ATST == ATST_NEVER && TEST.AFAIL != AFAIL_ZB_ONLY) // alpha test, all pixels fail, z buffer is not updated
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{
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return false;
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}
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return ZBUF.ZMSK == 0 && TEST.ZTE != 0; // ZTE == 0 is bug on the real hardware, write is blocked then
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}
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GIFRegTEX0 GetSizeFixedTEX0(int s_n, const GSVector4& st, bool linear, bool mipmap);
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void Dump(const std::string& filename)
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{
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// Append on purpose so env + context are merged into a single file
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FILE* fp = fopen(filename.c_str(), "at");
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if (!fp) return;
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fprintf(fp, "XYOFFSET\n"
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"\tX:%u\n"
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"\tY:%u\n\n"
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, XYOFFSET.OFX, XYOFFSET.OFY);
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fprintf(fp, "MIPTBP1\n"
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"\tBP1:0x%llx\n"
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"\tBW1:%llu\n"
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"\tBP2:0x%llx\n"
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"\tBW2:%llu\n"
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"\tBP3:0x%llx\n"
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"\tBW3:%llu\n\n"
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, MIPTBP1.TBP1, MIPTBP1.TBW1, MIPTBP1.TBP2, MIPTBP1.TBW2, MIPTBP1.TBP3, MIPTBP1.TBW3);
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fprintf(fp, "MIPTBP2\n"
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"\tBP4:0x%llx\n"
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"\tBW4:%llu\n"
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"\tBP5:0x%llx\n"
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"\tBW5:%llu\n"
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"\tBP6:0x%llx\n"
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"\tBW6:%llu\n\n"
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, MIPTBP2.TBP4, MIPTBP2.TBW4, MIPTBP2.TBP5, MIPTBP2.TBW5, MIPTBP2.TBP6, MIPTBP2.TBW6);
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fprintf(fp, "TEX0\n"
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"\tTBP0:0x%x\n"
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"\tTBW:%u\n"
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"\tPSM:0x%x\n"
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"\tTW:%u\n"
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"\tTCC:%u\n"
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"\tTFX:%u\n"
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"\tCBP:0x%x\n"
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"\tCPSM:0x%x\n"
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"\tCSM:%u\n"
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"\tCSA:%u\n"
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"\tCLD:%u\n"
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"\tTH:%llu\n\n"
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, TEX0.TBP0, TEX0.TBW, TEX0.PSM, TEX0.TW, TEX0.TCC, TEX0.TFX, TEX0.CBP, TEX0.CPSM, TEX0.CSM, TEX0.CSA, TEX0.CLD, TEX0.TH);
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fprintf(fp, "TEX1\n"
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"\tLCM:%u\n"
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"\tMXL:%u\n"
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"\tMMAG:%u\n"
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"\tMMIN:%u\n"
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"\tMTBA:%u\n"
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"\tL:%u\n"
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"\tK:%d\n\n"
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, TEX1.LCM, TEX1.MXL, TEX1.MMAG, TEX1.MMIN, TEX1.MTBA, TEX1.L, TEX1.K);
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fprintf(fp, "TEX2\n"
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"\tPSM:0x%x\n"
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"\tCBP:0x%x\n"
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"\tCPSM:0x%x\n"
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"\tCSM:%u\n"
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"\tCSA:%u\n"
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"\tCLD:%u\n\n"
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, TEX2.PSM, TEX2.CBP, TEX2.CPSM, TEX2.CSM, TEX2.CSA, TEX2.CLD);
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fprintf(fp, "CLAMP\n"
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"\tWMS:%u\n"
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"\tWMT:%u\n"
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"\tMINU:%u\n"
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"\tMAXU:%u\n"
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"\tMAXV:%u\n"
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"\tMINV:%llu\n\n"
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, CLAMP.WMS, CLAMP.WMT, CLAMP.MINU, CLAMP.MAXU, CLAMP.MAXV, CLAMP.MINV);
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// TODO mimmap? (yes I'm lazy)
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fprintf(fp, "SCISSOR\n"
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"\tX0:%u\n"
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"\tX1:%u\n"
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"\tY0:%u\n"
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"\tY1:%u\n\n"
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, SCISSOR.SCAX0, SCISSOR.SCAX1, SCISSOR.SCAY0, SCISSOR.SCAY1);
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fprintf(fp, "ALPHA\n"
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"\tA:%u\n"
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"\tB:%u\n"
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"\tC:%u\n"
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"\tD:%u\n"
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"\tFIX:%u\n"
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, ALPHA.A, ALPHA.B, ALPHA.C, ALPHA.D, ALPHA.FIX);
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const char *col[3] = {"Cs", "Cd", "0"};
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const char *alpha[3] = {"As", "Ad", "Af"};
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fprintf(fp, "\t=> (%s - %s) * %s + %s\n\n", col[ALPHA.A], col[ALPHA.B], alpha[ALPHA.C], col[ALPHA.D]);
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fprintf(fp, "TEST\n"
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"\tATE:%u\n"
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"\tATST:%u\n"
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"\tAREF:%u\n"
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"\tAFAIL:%u\n"
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"\tDATE:%u\n"
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"\tDATM:%u\n"
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"\tZTE:%u\n"
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"\tZTST:%u\n\n"
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, TEST.ATE, TEST.ATST, TEST.AREF, TEST.AFAIL, TEST.DATE, TEST.DATM, TEST.ZTE, TEST.ZTST);
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fprintf(fp, "FBA\n"
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"\tFBA:%u\n\n"
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, FBA.FBA);
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fprintf(fp, "FRAME\n"
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"\tFBP (*32):0x%x\n"
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"\tFBW:%u\n"
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"\tPSM:0x%x\n"
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"\tFBMSK:0x%x\n\n"
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, FRAME.FBP*32, FRAME.FBW, FRAME.PSM, FRAME.FBMSK);
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fprintf(fp, "ZBUF\n"
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"\tZBP (*32):0x%x\n"
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"\tPSM:0x%x\n"
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"\tZMSK:%u\n\n"
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, ZBUF.ZBP*32, ZBUF.PSM, ZBUF.ZMSK);
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fclose(fp);
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}
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};
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