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pcsx2/plugins/GSdx/GSState.cpp

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/*
* Copyright (C) 2007-2016 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
*
*/
#include "stdafx.h"
#include "GSState.h"
#include "GSdx.h"
#include "GSUtil.h"
//#define Offset_ST // Fixes Persona3 mini map alignment which is off even in software rendering
int GSState::s_n = 0;
GSState::GSState()
: m_version(6)
, m_mt(false)
, m_irq(NULL)
, m_path3hack(0)
, m_init_read_fifo_supported(false)
, m_gsc(NULL)
, m_skip(0)
, m_skip_offset(0)
, m_q(1.0f)
, m_texflush(true)
, m_vt(this)
, m_regs(NULL)
, m_crc(0)
, m_options(0)
, m_frameskip(0)
{
// m_nativeres seems to be a hack. Unfortunately it impacts draw call number which make debug painful in the replayer.
// Let's keep it disabled to ease debug.
m_nativeres = theApp.GetConfigI("upscale_multiplier") == 1 || GLLoader::in_replayer;
m_mipmap = theApp.GetConfigI("mipmap");
m_NTSC_Saturation = theApp.GetConfigB("NTSC_Saturation");
m_clut_load_before_draw = theApp.GetConfigB("clut_load_before_draw");
if (theApp.GetConfigB("UserHacks"))
{
m_userhacks_auto_flush = theApp.GetConfigB("UserHacks_AutoFlush");
m_userhacks_wildhack = theApp.GetConfigB("UserHacks_WildHack");
m_userhacks_skipdraw = theApp.GetConfigI("UserHacks_SkipDraw");
m_userhacks_skipdraw_offset = theApp.GetConfigI("UserHacks_SkipDraw_Offset");
}
else
{
m_userhacks_auto_flush = false;
m_userhacks_wildhack = false;
m_userhacks_skipdraw = 0;
m_userhacks_skipdraw_offset = 0;
}
s_n = 0;
s_dump = theApp.GetConfigB("dump");
s_save = theApp.GetConfigB("save");
s_savet = theApp.GetConfigB("savet");
s_savez = theApp.GetConfigB("savez");
s_savef = theApp.GetConfigB("savef");
s_saven = theApp.GetConfigI("saven");
s_savel = theApp.GetConfigI("savel");
m_dump_root = "";
#if defined(__unix__)
if (s_dump)
{
GSmkdir(root_hw.c_str());
GSmkdir(root_sw.c_str());
}
#endif
//s_dump = 1;
//s_save = 1;
//s_savez = 1;
//s_savet = 1;
//s_savef = 1;
//s_saven = 0;
//s_savel = 0;
m_crc_hack_level = theApp.GetConfigT<CRCHackLevel>("crc_hack_level");
if (m_crc_hack_level == CRCHackLevel::Automatic)
m_crc_hack_level = GSUtil::GetRecommendedCRCHackLevel(theApp.GetCurrentRendererType());
memset(&m_v, 0, sizeof(m_v));
memset(&m_vertex, 0, sizeof(m_vertex));
memset(&m_index, 0, sizeof(m_index));
m_v.RGBAQ.Q = 1.0f;
GrowVertexBuffer();
m_sssize = 0;
m_sssize += sizeof(m_version);
m_sssize += sizeof(m_env.PRIM);
m_sssize += sizeof(m_env.PRMODE);
m_sssize += sizeof(m_env.PRMODECONT);
m_sssize += sizeof(m_env.TEXCLUT);
m_sssize += sizeof(m_env.SCANMSK);
m_sssize += sizeof(m_env.TEXA);
m_sssize += sizeof(m_env.FOGCOL);
m_sssize += sizeof(m_env.DIMX);
m_sssize += sizeof(m_env.DTHE);
m_sssize += sizeof(m_env.COLCLAMP);
m_sssize += sizeof(m_env.PABE);
m_sssize += sizeof(m_env.BITBLTBUF);
m_sssize += sizeof(m_env.TRXDIR);
m_sssize += sizeof(m_env.TRXPOS);
m_sssize += sizeof(m_env.TRXREG);
m_sssize += sizeof(m_env.TRXREG); // obsolete
for (int i = 0; i < 2; i++)
{
m_sssize += sizeof(m_env.CTXT[i].XYOFFSET);
m_sssize += sizeof(m_env.CTXT[i].TEX0);
m_sssize += sizeof(m_env.CTXT[i].TEX1);
m_sssize += sizeof(m_env.CTXT[i].TEX2);
m_sssize += sizeof(m_env.CTXT[i].CLAMP);
m_sssize += sizeof(m_env.CTXT[i].MIPTBP1);
m_sssize += sizeof(m_env.CTXT[i].MIPTBP2);
m_sssize += sizeof(m_env.CTXT[i].SCISSOR);
m_sssize += sizeof(m_env.CTXT[i].ALPHA);
m_sssize += sizeof(m_env.CTXT[i].TEST);
m_sssize += sizeof(m_env.CTXT[i].FBA);
m_sssize += sizeof(m_env.CTXT[i].FRAME);
m_sssize += sizeof(m_env.CTXT[i].ZBUF);
}
m_sssize += sizeof(m_v.RGBAQ);
m_sssize += sizeof(m_v.ST);
m_sssize += sizeof(m_v.UV);
m_sssize += sizeof(m_v.FOG);
m_sssize += sizeof(m_v.XYZ);
m_sssize += sizeof(GIFReg); // obsolete
m_sssize += sizeof(m_tr.x);
m_sssize += sizeof(m_tr.y);
m_sssize += m_mem.m_vmsize;
m_sssize += (sizeof(m_path[0].tag) + sizeof(m_path[0].reg)) * countof(m_path);
m_sssize += sizeof(m_q);
PRIM = &m_env.PRIM;
//CSR->rREV = 0x20;
m_env.PRMODECONT.AC = 1;
Reset();
ResetHandlers();
}
GSState::~GSState()
{
if (m_vertex.buff)
_aligned_free(m_vertex.buff);
if (m_index.buff)
_aligned_free(m_index.buff);
}
void GSState::SetRegsMem(uint8* basemem)
{
ASSERT(basemem);
m_regs = (GSPrivRegSet*)basemem;
}
void GSState::SetIrqCallback(void (*irq)())
{
m_irq = irq;
}
void GSState::SetMultithreaded(bool mt)
{
// Some older versions of PCSX2 didn't properly set the irq callback to NULL
// in multithreaded mode (possibly because ZeroGS itself would assert in such
// cases), and didn't bind them to a dummy callback either. PCSX2 handles all
// IRQs internally when multithreaded anyway -- so let's ignore them here:
m_mt = mt;
if (mt)
{
m_fpGIFRegHandlers[GIF_A_D_REG_SIGNAL] = &GSState::GIFRegHandlerNull;
m_fpGIFRegHandlers[GIF_A_D_REG_FINISH] = &GSState::GIFRegHandlerNull;
m_fpGIFRegHandlers[GIF_A_D_REG_LABEL] = &GSState::GIFRegHandlerNull;
}
else
{
m_fpGIFRegHandlers[GIF_A_D_REG_SIGNAL] = &GSState::GIFRegHandlerSIGNAL;
m_fpGIFRegHandlers[GIF_A_D_REG_FINISH] = &GSState::GIFRegHandlerFINISH;
m_fpGIFRegHandlers[GIF_A_D_REG_LABEL] = &GSState::GIFRegHandlerLABEL;
}
}
void GSState::SetFrameSkip(int skip)
{
if (m_frameskip == skip)
return;
m_frameskip = skip;
if (skip)
{
m_fpGIFPackedRegHandlers[GIF_REG_XYZF2] = &GSState::GIFPackedRegHandlerNOP;
m_fpGIFPackedRegHandlers[GIF_REG_XYZ2] = &GSState::GIFPackedRegHandlerNOP;
m_fpGIFPackedRegHandlers[GIF_REG_XYZF3] = &GSState::GIFPackedRegHandlerNOP;
m_fpGIFPackedRegHandlers[GIF_REG_XYZ3] = &GSState::GIFPackedRegHandlerNOP;
m_fpGIFRegHandlers[GIF_A_D_REG_XYZF2] = &GSState::GIFRegHandlerNOP;
m_fpGIFRegHandlers[GIF_A_D_REG_XYZ2] = &GSState::GIFRegHandlerNOP;
m_fpGIFRegHandlers[GIF_A_D_REG_XYZF3] = &GSState::GIFRegHandlerNOP;
m_fpGIFRegHandlers[GIF_A_D_REG_XYZ3] = &GSState::GIFRegHandlerNOP;
m_fpGIFPackedRegHandlersC[GIF_REG_STQRGBAXYZF2] = &GSState::GIFPackedRegHandlerNOP;
m_fpGIFPackedRegHandlersC[GIF_REG_STQRGBAXYZ2] = &GSState::GIFPackedRegHandlerNOP;
}
else
{
UpdateVertexKick();
}
}
void GSState::Reset()
{
//printf("GSdx info: GS reset\n");
// FIXME: memset(m_mem.m_vm8, 0, m_mem.m_vmsize); // bios logo not shown cut in half after reset, missing graphics in GoW after first FMV
memset(&m_path[0], 0, sizeof(m_path[0]) * countof(m_path));
memset(&m_v, 0, sizeof(m_v));
//PRIM = &m_env.PRIM;
//m_env.PRMODECONT.AC = 1;
m_env.Reset();
PRIM = &m_env.PRIM;
UpdateContext();
UpdateVertexKick();
m_env.UpdateDIMX();
for (size_t i = 0; i < 2; i++)
{
m_env.CTXT[i].UpdateScissor();
m_env.CTXT[i].offset.fb = m_mem.GetOffset(m_env.CTXT[i].FRAME.Block(), m_env.CTXT[i].FRAME.FBW, m_env.CTXT[i].FRAME.PSM);
m_env.CTXT[i].offset.zb = m_mem.GetOffset(m_env.CTXT[i].ZBUF.Block(), m_env.CTXT[i].FRAME.FBW, m_env.CTXT[i].ZBUF.PSM);
m_env.CTXT[i].offset.tex = m_mem.GetOffset(m_env.CTXT[i].TEX0.TBP0, m_env.CTXT[i].TEX0.TBW, m_env.CTXT[i].TEX0.PSM);
m_env.CTXT[i].offset.fzb = m_mem.GetPixelOffset(m_env.CTXT[i].FRAME, m_env.CTXT[i].ZBUF);
m_env.CTXT[i].offset.fzb4 = m_mem.GetPixelOffset4(m_env.CTXT[i].FRAME, m_env.CTXT[i].ZBUF);
}
UpdateScissor();
m_vertex.head = 0;
m_vertex.tail = 0;
m_vertex.next = 0;
m_index.tail = 0;
m_texflush = true;
}
void GSState::ResetHandlers()
{
for (size_t i = 0; i < countof(m_fpGIFPackedRegHandlers); i++)
{
m_fpGIFPackedRegHandlers[i] = &GSState::GIFPackedRegHandlerNull;
}
m_fpGIFPackedRegHandlers[GIF_REG_PRIM] = (GIFPackedRegHandler)(GIFRegHandler)&GSState::GIFRegHandlerPRIM;
m_fpGIFPackedRegHandlers[GIF_REG_RGBA] = &GSState::GIFPackedRegHandlerRGBA;
m_fpGIFPackedRegHandlers[GIF_REG_STQ] = &GSState::GIFPackedRegHandlerSTQ;
m_fpGIFPackedRegHandlers[GIF_REG_UV] = m_userhacks_wildhack ? &GSState::GIFPackedRegHandlerUV_Hack : &GSState::GIFPackedRegHandlerUV;
m_fpGIFPackedRegHandlers[GIF_REG_TEX0_1] = (GIFPackedRegHandler)(GIFRegHandler)&GSState::GIFRegHandlerTEX0<0>;
m_fpGIFPackedRegHandlers[GIF_REG_TEX0_2] = (GIFPackedRegHandler)(GIFRegHandler)&GSState::GIFRegHandlerTEX0<1>;
m_fpGIFPackedRegHandlers[GIF_REG_CLAMP_1] = (GIFPackedRegHandler)(GIFRegHandler)&GSState::GIFRegHandlerCLAMP<0>;
m_fpGIFPackedRegHandlers[GIF_REG_CLAMP_2] = (GIFPackedRegHandler)(GIFRegHandler)&GSState::GIFRegHandlerCLAMP<1>;
m_fpGIFPackedRegHandlers[GIF_REG_FOG] = &GSState::GIFPackedRegHandlerFOG;
m_fpGIFPackedRegHandlers[GIF_REG_A_D] = &GSState::GIFPackedRegHandlerA_D;
m_fpGIFPackedRegHandlers[GIF_REG_NOP] = &GSState::GIFPackedRegHandlerNOP;
#define SetHandlerXYZ(P, auto_flush) \
m_fpGIFPackedRegHandlerXYZ[P][0] = &GSState::GIFPackedRegHandlerXYZF2<P, 0, auto_flush>; \
m_fpGIFPackedRegHandlerXYZ[P][1] = &GSState::GIFPackedRegHandlerXYZF2<P, 1, auto_flush>; \
m_fpGIFPackedRegHandlerXYZ[P][2] = &GSState::GIFPackedRegHandlerXYZ2<P, 0, auto_flush>; \
m_fpGIFPackedRegHandlerXYZ[P][3] = &GSState::GIFPackedRegHandlerXYZ2<P, 1, auto_flush>; \
m_fpGIFRegHandlerXYZ[P][0] = &GSState::GIFRegHandlerXYZF2<P, 0, auto_flush>; \
m_fpGIFRegHandlerXYZ[P][1] = &GSState::GIFRegHandlerXYZF2<P, 1, auto_flush>; \
m_fpGIFRegHandlerXYZ[P][2] = &GSState::GIFRegHandlerXYZ2<P, 0, auto_flush>; \
m_fpGIFRegHandlerXYZ[P][3] = &GSState::GIFRegHandlerXYZ2<P, 1, auto_flush>; \
m_fpGIFPackedRegHandlerSTQRGBAXYZF2[P] = &GSState::GIFPackedRegHandlerSTQRGBAXYZF2<P, auto_flush>; \
m_fpGIFPackedRegHandlerSTQRGBAXYZ2[P] = &GSState::GIFPackedRegHandlerSTQRGBAXYZ2<P, auto_flush>;
if (m_userhacks_auto_flush)
{
SetHandlerXYZ(GS_POINTLIST, true);
SetHandlerXYZ(GS_LINELIST, true);
SetHandlerXYZ(GS_LINESTRIP, true);
SetHandlerXYZ(GS_TRIANGLELIST, true);
SetHandlerXYZ(GS_TRIANGLESTRIP, true);
SetHandlerXYZ(GS_TRIANGLEFAN, true);
SetHandlerXYZ(GS_SPRITE, true);
SetHandlerXYZ(GS_INVALID, true);
}
else
{
SetHandlerXYZ(GS_POINTLIST, false);
SetHandlerXYZ(GS_LINELIST, false);
SetHandlerXYZ(GS_LINESTRIP, false);
SetHandlerXYZ(GS_TRIANGLELIST, false);
SetHandlerXYZ(GS_TRIANGLESTRIP, false);
SetHandlerXYZ(GS_TRIANGLEFAN, false);
SetHandlerXYZ(GS_SPRITE, false);
SetHandlerXYZ(GS_INVALID, false);
}
for (size_t i = 0; i < countof(m_fpGIFRegHandlers); i++)
{
m_fpGIFRegHandlers[i] = &GSState::GIFRegHandlerNull;
}
m_fpGIFRegHandlers[GIF_A_D_REG_PRIM] = &GSState::GIFRegHandlerPRIM;
m_fpGIFRegHandlers[GIF_A_D_REG_RGBAQ] = &GSState::GIFRegHandlerRGBAQ;
m_fpGIFRegHandlers[GIF_A_D_REG_RGBAQ + 0x10] = &GSState::GIFRegHandlerRGBAQ;
m_fpGIFRegHandlers[GIF_A_D_REG_ST] = &GSState::GIFRegHandlerST;
m_fpGIFRegHandlers[GIF_A_D_REG_UV] = m_userhacks_wildhack ? &GSState::GIFRegHandlerUV_Hack : &GSState::GIFRegHandlerUV;
m_fpGIFRegHandlers[GIF_A_D_REG_TEX0_1] = &GSState::GIFRegHandlerTEX0<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_TEX0_2] = &GSState::GIFRegHandlerTEX0<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_CLAMP_1] = &GSState::GIFRegHandlerCLAMP<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_CLAMP_2] = &GSState::GIFRegHandlerCLAMP<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_FOG] = &GSState::GIFRegHandlerFOG;
m_fpGIFRegHandlers[GIF_A_D_REG_NOP] = &GSState::GIFRegHandlerNOP;
m_fpGIFRegHandlers[GIF_A_D_REG_TEX1_1] = &GSState::GIFRegHandlerTEX1<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_TEX1_2] = &GSState::GIFRegHandlerTEX1<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_TEX2_1] = &GSState::GIFRegHandlerTEX2<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_TEX2_2] = &GSState::GIFRegHandlerTEX2<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_XYOFFSET_1] = &GSState::GIFRegHandlerXYOFFSET<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_XYOFFSET_2] = &GSState::GIFRegHandlerXYOFFSET<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_PRMODECONT] = &GSState::GIFRegHandlerPRMODECONT;
m_fpGIFRegHandlers[GIF_A_D_REG_PRMODE] = &GSState::GIFRegHandlerPRMODE;
m_fpGIFRegHandlers[GIF_A_D_REG_TEXCLUT] = &GSState::GIFRegHandlerTEXCLUT;
m_fpGIFRegHandlers[GIF_A_D_REG_SCANMSK] = &GSState::GIFRegHandlerSCANMSK;
m_fpGIFRegHandlers[GIF_A_D_REG_MIPTBP1_1] = &GSState::GIFRegHandlerMIPTBP1<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_MIPTBP1_2] = &GSState::GIFRegHandlerMIPTBP1<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_MIPTBP2_1] = &GSState::GIFRegHandlerMIPTBP2<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_MIPTBP2_2] = &GSState::GIFRegHandlerMIPTBP2<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_TEXA] = &GSState::GIFRegHandlerTEXA;
m_fpGIFRegHandlers[GIF_A_D_REG_FOGCOL] = &GSState::GIFRegHandlerFOGCOL;
m_fpGIFRegHandlers[GIF_A_D_REG_TEXFLUSH] = &GSState::GIFRegHandlerTEXFLUSH;
m_fpGIFRegHandlers[GIF_A_D_REG_SCISSOR_1] = &GSState::GIFRegHandlerSCISSOR<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_SCISSOR_2] = &GSState::GIFRegHandlerSCISSOR<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_ALPHA_1] = &GSState::GIFRegHandlerALPHA<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_ALPHA_2] = &GSState::GIFRegHandlerALPHA<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_DIMX] = &GSState::GIFRegHandlerDIMX;
m_fpGIFRegHandlers[GIF_A_D_REG_DTHE] = &GSState::GIFRegHandlerDTHE;
m_fpGIFRegHandlers[GIF_A_D_REG_COLCLAMP] = &GSState::GIFRegHandlerCOLCLAMP;
m_fpGIFRegHandlers[GIF_A_D_REG_TEST_1] = &GSState::GIFRegHandlerTEST<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_TEST_2] = &GSState::GIFRegHandlerTEST<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_PABE] = &GSState::GIFRegHandlerPABE;
m_fpGIFRegHandlers[GIF_A_D_REG_FBA_1] = &GSState::GIFRegHandlerFBA<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_FBA_2] = &GSState::GIFRegHandlerFBA<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_FRAME_1] = &GSState::GIFRegHandlerFRAME<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_FRAME_2] = &GSState::GIFRegHandlerFRAME<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_ZBUF_1] = &GSState::GIFRegHandlerZBUF<0>;
m_fpGIFRegHandlers[GIF_A_D_REG_ZBUF_2] = &GSState::GIFRegHandlerZBUF<1>;
m_fpGIFRegHandlers[GIF_A_D_REG_BITBLTBUF] = &GSState::GIFRegHandlerBITBLTBUF;
m_fpGIFRegHandlers[GIF_A_D_REG_TRXPOS] = &GSState::GIFRegHandlerTRXPOS;
m_fpGIFRegHandlers[GIF_A_D_REG_TRXREG] = &GSState::GIFRegHandlerTRXREG;
m_fpGIFRegHandlers[GIF_A_D_REG_TRXDIR] = &GSState::GIFRegHandlerTRXDIR;
m_fpGIFRegHandlers[GIF_A_D_REG_HWREG] = &GSState::GIFRegHandlerHWREG;
SetMultithreaded(m_mt);
}
bool GSState::isinterlaced()
{
return !!m_regs->SMODE2.INT;
}
GSVideoMode GSState::GetVideoMode()
{
// TODO: Get confirmation of videomode from SYSCALL ? not necessary but would be nice.
// Other videomodes can't be detected on the plugin side without the help of the data from core
// You can only identify a limited number of video modes based on the info from CRTC registers.
GSVideoMode videomode = GSVideoMode::Unknown;
uint8 Colorburst = m_regs->SMODE1.CMOD; // Subcarrier frequency
uint8 PLL_Divider = m_regs->SMODE1.LC; // Phased lock loop divider
switch (Colorburst)
{
case 0:
if (isinterlaced() && PLL_Divider == 22)
videomode = GSVideoMode::HDTV_1080I;
else if (!isinterlaced() && PLL_Divider == 22)
videomode = GSVideoMode::HDTV_720P;
else if (!isinterlaced() && PLL_Divider == 32)
videomode = GSVideoMode::SDTV_480P; // TODO: 576P will also be reported as 480P, find some way to differeniate.
else
videomode = GSVideoMode::VESA;
break;
case 2:
videomode = GSVideoMode::NTSC;
break;
case 3:
videomode = GSVideoMode::PAL;
break;
}
return videomode;
}
// There are some cases where the PS2 seems to saturate the output circuit size when the developer requests for a higher
// unsupported value with respect to the current video mode via the DISP registers, the following function handles such cases.
// NOTE: This function is totally hacky as there are no documents related to saturation of output dimensions, function is
// generally just based on technical and intellectual guesses.
void GSState::SaturateOutputSize(GSVector4i& r)
{
const GSVideoMode videomode = GetVideoMode();
//Some games (such as Pool Paradise) use alternate line reading and provide a massive height which is really half.
if (r.height() > 640 && (videomode == GSVideoMode::NTSC || videomode == GSVideoMode::PAL))
{
r.bottom = r.top + (r.height() / 2);
return;
}
// Limit games to standard NTSC resolutions. games with 512X512 (PAL resolution) on NTSC video mode produces black border on the bottom.
// 512 X 448 is the resolution generally used by NTSC, saturating the height value seems to get rid of the black borders.
// Though it's quite a bad hack as it affects binaries which are patched to run on a non-native video mode.
const bool interlaced_field = m_regs->SMODE2.INT && !m_regs->SMODE2.FFMD;
const bool single_frame_output = m_regs->SMODE2.INT && m_regs->SMODE2.FFMD && (m_regs->PMODE.EN1 ^ m_regs->PMODE.EN2);
const bool unsupported_output_size = r.height() > 448 && r.width() < 640;
if (m_NTSC_Saturation && videomode == GSVideoMode::NTSC && (interlaced_field || single_frame_output) && unsupported_output_size)
{
r.bottom = r.top + 448;
}
}
GSVector4i GSState::GetDisplayRect(int i)
{
if (!IsEnabled(0) && !IsEnabled(1))
return GSVector4i(0);
// If no specific context is requested then pass the merged rectangle as return value
if (i == -1)
{
if (m_regs->PMODE.EN1 & m_regs->PMODE.EN2)
{
GSVector4i r[2] = {GetDisplayRect(0), GetDisplayRect(1)};
GSVector4i r_intersect = r[0].rintersect(r[1]);
GSVector4i r_union = r[0].runion_ordered(r[1]);
// If the conditions for passing the merged rectangle is unsatisfied, then
// pass the rectangle with the bigger size.
bool can_be_merged = !r_intersect.width() || !r_intersect.height() || r_intersect.xyxy().eq(r_union.xyxy());
return (can_be_merged) ? r_union : r[r[1].rarea() > r[0].rarea()];
}
i = m_regs->PMODE.EN2;
}
GSVector2i magnification(m_regs->DISP[i].DISPLAY.MAGH + 1, m_regs->DISP[i].DISPLAY.MAGV + 1);
int width = (m_regs->DISP[i].DISPLAY.DW + 1) / magnification.x;
int height = (m_regs->DISP[i].DISPLAY.DH + 1) / magnification.y;
// Set up the display rectangle based on the values obtained from DISPLAY registers
GSVector4i rectangle;
rectangle.left = m_regs->DISP[i].DISPLAY.DX / magnification.x;
rectangle.top = m_regs->DISP[i].DISPLAY.DY / magnification.y;
rectangle.right = rectangle.left + width;
rectangle.bottom = rectangle.top + height;
SaturateOutputSize(rectangle);
return rectangle;
}
GSVector4i GSState::GetFrameRect(int i)
{
// If no specific context is requested then pass the merged rectangle as return value
if (i == -1)
return GetFrameRect(0).runion(GetFrameRect(1));
GSVector4i rectangle = GetDisplayRect(i);
int w = rectangle.width();
int h = rectangle.height();
if (isinterlaced() && m_regs->SMODE2.FFMD && h > 1)
h >>= 1;
rectangle.left = m_regs->DISP[i].DISPFB.DBX;
rectangle.top = m_regs->DISP[i].DISPFB.DBY;
rectangle.right = rectangle.left + w;
rectangle.bottom = rectangle.top + h;
#ifdef ENABLE_PCRTC_DEBUG
static GSVector4i old_r[2] = {GSVector4i(0), GSVector4i(0)};
if (!old_r[i].eq(rectangle))
printf("Frame rectangle [%d] update!\nwidth: %d height: %d left: %d top: %d right: %d bottom: %d\n",
i, w, h, rectangle.left, rectangle.top, rectangle.right, rectangle.bottom);
old_r[i] = rectangle;
#endif
return rectangle;
}
int GSState::GetFramebufferHeight()
{
// Framebuffer height is 11 bits max according to GS user manual
const int height_limit = (1 << 11);
const GSVector4i output[2] = {GetFrameRect(0), GetFrameRect(1)};
const GSVector4i merged_output = output[0].runion(output[1]);
int max_height = std::max(output[0].height(), output[1].height());
// DBY isn't an offset to the frame memory but rather an offset to read output circuit inside
// the frame memory, hence the top offset should also be calculated for the total height of the
// frame memory. Also we need to wrap the value only when we're dealing with values with range of the
// frame memory (offset + read output circuit height, IOW bottom of merged_output)
int frame_memory_height = std::max(max_height, merged_output.bottom % height_limit);
if (frame_memory_height > 1024)
GL_PERF("Massive framebuffer height detected! (height:%d)", frame_memory_height);
return frame_memory_height;
}
bool GSState::IsEnabled(int i)
{
ASSERT(i >= 0 && i < 2);
if ((i == 0 && m_regs->PMODE.EN1) || (i == 1 && m_regs->PMODE.EN2))
{
return m_regs->DISP[i].DISPLAY.DW && m_regs->DISP[i].DISPLAY.DH;
}
return false;
}
float GSState::GetTvRefreshRate()
{
float vertical_frequency = 0;
GSVideoMode videomode = GetVideoMode();
//TODO: Check vertical frequencies for VESA video modes, old ones were untested.
switch (videomode)
{
case GSVideoMode::NTSC:
case GSVideoMode::SDTV_480P:
vertical_frequency = (60 / 1.001f);
break;
case GSVideoMode::PAL:
vertical_frequency = 50;
break;
case GSVideoMode::HDTV_720P:
case GSVideoMode::HDTV_1080I:
vertical_frequency = 60;
break;
default:
ASSERT(videomode != GSVideoMode::Unknown);
}
return vertical_frequency;
}
// GIFPackedRegHandler*
void GSState::GIFPackedRegHandlerNull(const GIFPackedReg* RESTRICT r)
{
// ASSERT(0);
}
void GSState::GIFPackedRegHandlerRGBA(const GIFPackedReg* RESTRICT r)
{
#if _M_SSE >= 0x301
GSVector4i mask = GSVector4i::load(0x0c080400);
GSVector4i v = GSVector4i::load<false>(r).shuffle8(mask);
m_v.RGBAQ.u32[0] = (uint32)GSVector4i::store(v);
#else
GSVector4i v = GSVector4i::load<false>(r) & GSVector4i::x000000ff();
m_v.RGBAQ.u32[0] = v.rgba32();
#endif
m_v.RGBAQ.Q = m_q;
}
void GSState::GIFPackedRegHandlerSTQ(const GIFPackedReg* RESTRICT r)
{
GSVector4i st = GSVector4i::loadl(&r->u64[0]);
GSVector4i q = GSVector4i::loadl(&r->u64[1]);
GSVector4i::storel(&m_v.ST, st);
// character shadow in Vexx, q = 0 (st also 0 on the first 16 vertices), setting it to 1.0f to avoid div by zero later
q = q.blend8(GSVector4i::cast(GSVector4::m_one), q == GSVector4i::zero());
// Suikoden 4 creates some nan for Q. Let's avoid undefined behavior (See GIFRegHandlerRGBAQ)
q = GSVector4i::cast(GSVector4::cast(q).replace_nan(GSVector4::m_max));
GSVector4::store(&m_q, GSVector4::cast(q));
ASSERT(!std::isnan(m_v.ST.S)); // See GIFRegHandlerRGBAQ
ASSERT(!std::isnan(m_v.ST.T)); // See GIFRegHandlerRGBAQ
#ifdef Offset_ST
GIFRegTEX0 TEX0 = m_context->TEX0;
m_v.ST.S -= 0.02f * m_q / (1 << TEX0.TW);
m_v.ST.T -= 0.02f * m_q / (1 << TEX0.TH);
#endif
}
void GSState::GIFPackedRegHandlerUV(const GIFPackedReg* RESTRICT r)
{
GSVector4i v = GSVector4i::loadl(r) & GSVector4i::x00003fff();
m_v.UV = (uint32)GSVector4i::store(v.ps32(v));
}
void GSState::GIFPackedRegHandlerUV_Hack(const GIFPackedReg* RESTRICT r)
{
GSVector4i v = GSVector4i::loadl(r) & GSVector4i::x00003fff();
m_v.UV = (uint32)GSVector4i::store(v.ps32(v));
m_isPackedUV_HackFlag = true;
}
template <uint32 prim, uint32 adc, bool auto_flush>
void GSState::GIFPackedRegHandlerXYZF2(const GIFPackedReg* RESTRICT r)
{
//m_v.XYZ.X = r->XYZF2.X;
//m_v.XYZ.Y = r->XYZF2.Y;
//m_v.XYZ.Z = r->XYZF2.Z;
//m_v.FOG = r->XYZF2.F;
GSVector4i xy = GSVector4i::loadl(&r->u64[0]);
GSVector4i zf = GSVector4i::loadl(&r->u64[1]);
xy = xy.upl16(xy.srl<4>()).upl32(GSVector4i::load((int)m_v.UV));
zf = zf.srl32(4) & GSVector4i::x00ffffff().upl32(GSVector4i::x000000ff());
m_v.m[1] = xy.upl32(zf);
VertexKick<prim, auto_flush>(adc ? 1 : r->XYZF2.Skip());
}
template <uint32 prim, uint32 adc, bool auto_flush>
void GSState::GIFPackedRegHandlerXYZ2(const GIFPackedReg* RESTRICT r)
{
//m_v.XYZ.X = r->XYZ2.X;
//m_v.XYZ.Y = r->XYZ2.Y;
//m_v.XYZ.Z = r->XYZ2.Z;
GSVector4i xy = GSVector4i::loadl(&r->u64[0]);
GSVector4i z = GSVector4i::loadl(&r->u64[1]);
GSVector4i xyz = xy.upl16(xy.srl<4>()).upl32(z);
m_v.m[1] = xyz.upl64(GSVector4i::loadl(&m_v.UV));
VertexKick<prim, auto_flush>(adc ? 1 : r->XYZ2.Skip());
}
void GSState::GIFPackedRegHandlerFOG(const GIFPackedReg* RESTRICT r)
{
m_v.FOG = r->FOG.F;
}
void GSState::GIFPackedRegHandlerA_D(const GIFPackedReg* RESTRICT r)
{
(this->*m_fpGIFRegHandlers[r->A_D.ADDR & 0x7F])(&r->r);
}
void GSState::GIFPackedRegHandlerNOP(const GIFPackedReg* RESTRICT r)
{
}
template <uint32 prim, bool auto_flush>
void GSState::GIFPackedRegHandlerSTQRGBAXYZF2(const GIFPackedReg* RESTRICT r, uint32 size)
{
ASSERT(size > 0 && size % 3 == 0);
const GIFPackedReg* RESTRICT r_end = r + size;
while (r < r_end)
{
GSVector4i st = GSVector4i::loadl(&r[0].u64[0]);
GSVector4i q = GSVector4i::loadl(&r[0].u64[1]);
GSVector4i rgba = (GSVector4i::load<false>(&r[1]) & GSVector4i::x000000ff()).ps32().pu16();
//GSVector4i rg = GSVector4i::loadl(&r[1].u64[0]);
//GSVector4i ba = GSVector4i::loadl(&r[1].u64[1]);
//GSVector4i rbga = rg.upl8(ba);
//GSVector4i rgba = rbga.upl8(rbga.zzzz());
q = q.blend8(GSVector4i::cast(GSVector4::m_one), q == GSVector4i::zero()); // see GIFPackedRegHandlerSTQ
m_v.m[0] = st.upl64(rgba.upl32(q)); // TODO: only store the last one
GSVector4i xy = GSVector4i::loadl(&r[2].u64[0]);
GSVector4i zf = GSVector4i::loadl(&r[2].u64[1]);
xy = xy.upl16(xy.srl<4>()).upl32(GSVector4i::load((int)m_v.UV));
zf = zf.srl32(4) & GSVector4i::x00ffffff().upl32(GSVector4i::x000000ff());
m_v.m[1] = xy.upl32(zf); // TODO: only store the last one
VertexKick<prim, auto_flush>(r[2].XYZF2.Skip());
r += 3;
}
m_q = r[-3].STQ.Q; // remember the last one, STQ outputs this to the temp Q each time
}
template <uint32 prim, bool auto_flush>
void GSState::GIFPackedRegHandlerSTQRGBAXYZ2(const GIFPackedReg* RESTRICT r, uint32 size)
{
ASSERT(size > 0 && size % 3 == 0);
const GIFPackedReg* RESTRICT r_end = r + size;
while (r < r_end)
{
GSVector4i st = GSVector4i::loadl(&r[0].u64[0]);
GSVector4i q = GSVector4i::loadl(&r[0].u64[1]);
GSVector4i rgba = (GSVector4i::load<false>(&r[1]) & GSVector4i::x000000ff()).ps32().pu16();
//GSVector4i rg = GSVector4i::loadl(&r[1].u64[0]);
//GSVector4i ba = GSVector4i::loadl(&r[1].u64[1]);
//GSVector4i rbga = rg.upl8(ba);
//GSVector4i rgba = rbga.upl8(rbga.zzzz());
q = q.blend8(GSVector4i::cast(GSVector4::m_one), q == GSVector4i::zero()); // see GIFPackedRegHandlerSTQ
m_v.m[0] = st.upl64(rgba.upl32(q)); // TODO: only store the last one
GSVector4i xy = GSVector4i::loadl(&r[2].u64[0]);
GSVector4i z = GSVector4i::loadl(&r[2].u64[1]);
GSVector4i xyz = xy.upl16(xy.srl<4>()).upl32(z);
m_v.m[1] = xyz.upl64(GSVector4i::loadl(&m_v.UV)); // TODO: only store the last one
VertexKick<prim, auto_flush>(r[2].XYZ2.Skip());
r += 3;
}
m_q = r[-3].STQ.Q; // remember the last one, STQ outputs this to the temp Q each time
}
void GSState::GIFPackedRegHandlerNOP(const GIFPackedReg* RESTRICT r, uint32 size)
{
}
// GIFRegHandler*
void GSState::GIFRegHandlerNull(const GIFReg* RESTRICT r)
{
// ASSERT(0);
}
__forceinline void GSState::ApplyPRIM(uint32 prim)
{
// ASSERT(r->PRIM.PRIM < 7);
if (GSUtil::GetPrimClass(m_env.PRIM.PRIM) == GSUtil::GetPrimClass(prim & 7)) // NOTE: assume strips/fans are converted to lists
{
if (m_env.PRMODECONT.AC == 1 && (m_env.PRIM.u32[0] ^ prim) & 0x7f8) // all fields except PRIM
{
Flush();
}
}
else
{
Flush();
}
if (m_env.PRMODECONT.AC == 1)
{
m_env.PRIM.u32[0] = prim;
UpdateContext();
}
else
{
m_env.PRIM.PRIM = prim & 0x7;
}
UpdateVertexKick();
ASSERT(m_index.tail == 0 || m_index.buff[m_index.tail - 1] + 1 == m_vertex.next);
if (m_index.tail == 0)
{
m_vertex.next = 0;
}
m_vertex.head = m_vertex.tail = m_vertex.next; // remove unused vertices from the end of the vertex buffer
}
void GSState::GIFRegHandlerPRIM(const GIFReg* RESTRICT r)
{
ALIGN_STACK(32);
ApplyPRIM(r->PRIM.u32[0]);
}
void GSState::GIFRegHandlerRGBAQ(const GIFReg* RESTRICT r)
{
GSVector4i rgbaq = (GSVector4i)r->RGBAQ;
GSVector4i q = rgbaq.blend8(GSVector4i::cast(GSVector4::m_one), rgbaq == GSVector4i::zero()).yyyy(); // see GIFPackedRegHandlerSTQ
// Silent Hill output a nan in Q to emulate the flash light. Unfortunately it
// breaks GSVertexTrace code that rely on min/max.
q = GSVector4i::cast(GSVector4::cast(q).replace_nan(GSVector4::m_max));
m_v.RGBAQ = rgbaq.upl32(q);
}
void GSState::GIFRegHandlerST(const GIFReg* RESTRICT r)
{
m_v.ST = (GSVector4i)r->ST;
ASSERT(!std::isnan(m_v.ST.S)); // See GIFRegHandlerRGBAQ
ASSERT(!std::isnan(m_v.ST.T)); // See GIFRegHandlerRGBAQ
#ifdef Offset_ST
GIFRegTEX0 TEX0 = m_context->TEX0;
m_v.ST.S -= 0.02f * m_q / (1 << TEX0.TW);
m_v.ST.T -= 0.02f * m_q / (1 << TEX0.TH);
#endif
}
void GSState::GIFRegHandlerUV(const GIFReg* RESTRICT r)
{
m_v.UV = r->UV.u32[0] & 0x3fff3fff;
}
void GSState::GIFRegHandlerUV_Hack(const GIFReg* RESTRICT r)
{
m_v.UV = r->UV.u32[0] & 0x3fff3fff;
m_isPackedUV_HackFlag = false;
}
template <uint32 prim, uint32 adc, bool auto_flush>
void GSState::GIFRegHandlerXYZF2(const GIFReg* RESTRICT r)
{
//m_v.XYZ.X = r->XYZF.X;
//m_v.XYZ.Y = r->XYZF.Y;
//m_v.XYZ.Z = r->XYZF.Z;
//m_v.FOG.F = r->XYZF.F;
//m_v.XYZ.u32[0] = r->XYZF.u32[0];
//m_v.XYZ.u32[1] = r->XYZF.u32[1] & 0x00ffffff;
//m_v.FOG = r->XYZF.u32[1] >> 24;
GSVector4i xyzf = GSVector4i::loadl(&r->XYZF);
GSVector4i xyz = xyzf & (GSVector4i::xffffffff().upl32(GSVector4i::x00ffffff()));
GSVector4i uvf = GSVector4i::load((int)m_v.UV).upl32(xyzf.srl32(24).srl<4>());
m_v.m[1] = xyz.upl64(uvf);
VertexKick<prim, auto_flush>(adc);
}
template <uint32 prim, uint32 adc, bool auto_flush>
void GSState::GIFRegHandlerXYZ2(const GIFReg* RESTRICT r)
{
// m_v.XYZ = (GSVector4i)r->XYZ;
m_v.m[1] = GSVector4i::load(&r->XYZ, &m_v.UV);
VertexKick<prim, auto_flush>(adc);
}
template <int i>
void GSState::ApplyTEX0(GIFRegTEX0& TEX0)
{
// TODO: Paletted Formats
// 8-bit and 4 bit formats need to be addressed with a buffer width divisible 2.
// However, not doing so is possible and does have a behavior on the GS.
// When implementing such code care must be taken not to apply it unless it is
// used for a draw. Galaxy Angel will send TEX0 with a PSM of T8 and a TBW of 7
// only to immediately update it to CT32 with TEX2. The old code used to apply a
// correction on the TEX0 setting which caused the game to draw the CT32 texture
// with an incorrect buffer width.
//
// Bouken Jidai Katsugeki Goemon apparently uses a TBW of 1 but this game is currently
// extremely broken for the same reasons as MLB Power Pros in that it spams TEX0 with
// complete garbage making for a nice 1G heap of GSOffset.
GL_REG("Apply TEX0_%d = 0x%x_%x", i, TEX0.u32[1], TEX0.u32[0]);
// even if TEX0 did not change, a new palette may have been uploaded and will overwrite the currently queued for drawing
bool wt = m_mem.m_clut.WriteTest(TEX0, m_env.TEXCLUT);
// clut loading already covered with WriteTest, for drawing only have to check CPSM and CSA (MGS3 intro skybox would be drawn piece by piece without this)
uint64 mask = 0x1f78001c3fffffffull; // TBP0 TBW PSM TW TCC TFX CPSM CSA
if (wt || PRIM->CTXT == i && ((TEX0.u64 ^ m_env.CTXT[i].TEX0.u64) & mask))
{
Flush();
}
TEX0.CPSM &= 0xa; // 1010b
if ((TEX0.u32[0] ^ m_env.CTXT[i].TEX0.u32[0]) & 0x3ffffff) // TBP0 TBW PSM
{
m_env.CTXT[i].offset.tex = m_mem.GetOffset(TEX0.TBP0, TEX0.TBW, TEX0.PSM);
}
m_env.CTXT[i].TEX0 = (GSVector4i)TEX0;
if (wt)
{
GIFRegBITBLTBUF BITBLTBUF;
GSVector4i r;
if (TEX0.CSM == 0)
{
BITBLTBUF.SBP = TEX0.CBP;
BITBLTBUF.SBW = 1;
BITBLTBUF.SPSM = TEX0.CSM;
r.left = 0;
r.top = 0;
r.right = GSLocalMemory::m_psm[TEX0.CPSM].bs.x;
r.bottom = GSLocalMemory::m_psm[TEX0.CPSM].bs.y;
int blocks = 4;
if (GSLocalMemory::m_psm[TEX0.CPSM].bpp == 16)
{
blocks >>= 1;
}
if (GSLocalMemory::m_psm[TEX0.PSM].bpp == 4)
{
blocks >>= 1;
}
for (int j = 0; j < blocks; j++, BITBLTBUF.SBP++)
{
InvalidateLocalMem(BITBLTBUF, r, true);
}
}
else
{
BITBLTBUF.SBP = TEX0.CBP;
BITBLTBUF.SBW = m_env.TEXCLUT.CBW;
BITBLTBUF.SPSM = TEX0.CSM;
r.left = m_env.TEXCLUT.COU;
r.top = m_env.TEXCLUT.COV;
r.right = r.left + GSLocalMemory::m_psm[TEX0.CPSM].pal;
r.bottom = r.top + 1;
InvalidateLocalMem(BITBLTBUF, r, true);
}
m_mem.m_clut.Write(m_env.CTXT[i].TEX0, m_env.TEXCLUT);
}
}
template <int i>
void GSState::GIFRegHandlerTEX0(const GIFReg* RESTRICT r)
{
GL_REG("TEX0_%d = 0x%x_%x", i, r->u32[1], r->u32[0]);
GIFRegTEX0 TEX0 = r->TEX0;
int tw = (int)TEX0.TW;
int th = (int)TEX0.TH;
if (tw > 10)
tw = 10;
if (th > 10)
th = 10;
if (PRIM->FST)
{
// Tokyo Xtreme Racer Drift 2, TW/TH == 0
// Just setting the max texture size to make the texture cache allocate some surface.
// The vertex trace will narrow the updated area down to the minimum, upper-left 8x8
// for a single letter, but it may address the whole thing if it wants to.
if (tw == 0)
tw = 10;
if (th == 0)
th = 10;
}
else
{
// Yakuza, TW/TH == 0
// The minimap is drawn using solid colors, the texture is really a 1x1 white texel,
// modulated by the vertex color. Cannot change the dimension because S/T are normalized.
}
TEX0.TW = tw;
TEX0.TH = th;
ApplyTEX0<i>(TEX0);
if (m_env.CTXT[i].TEX1.MTBA)
{
// NOTE 1: TEX1.MXL must not be automatically set to 3 here.
// NOTE 2: Mipmap levels are tightly packed, if (tbw << 6) > (1 << tw) then the left-over space to the right is used. (common for PSM_PSMT4)
// NOTE 3: Non-rectangular textures are treated as rectangular when calculating the occupied space (height is extended, not sure about width)
uint32 bp = TEX0.TBP0;
uint32 bw = TEX0.TBW;
uint32 w = 1u << TEX0.TW;
uint32 h = 1u << TEX0.TH;
uint32 bpp = GSLocalMemory::m_psm[TEX0.PSM].bpp;
if (h < w)
h = w;
bp += ((w * h * bpp >> 3) + 255) >> 8;
bw = std::max<uint32>(bw >> 1, 1);
w = std::max<uint32>(w >> 1, 1);
h = std::max<uint32>(h >> 1, 1);
m_env.CTXT[i].MIPTBP1.TBP1 = bp;
m_env.CTXT[i].MIPTBP1.TBW1 = bw;
bp += ((w * h * bpp >> 3) + 255) >> 8;
bw = std::max<uint32>(bw >> 1, 1);
w = std::max<uint32>(w >> 1, 1);
h = std::max<uint32>(h >> 1, 1);
m_env.CTXT[i].MIPTBP1.TBP2 = bp;
m_env.CTXT[i].MIPTBP1.TBW2 = bw;
bp += ((w * h * bpp >> 3) + 255) >> 8;
bw = std::max<uint32>(bw >> 1, 1);
w = std::max<uint32>(w >> 1, 1);
h = std::max<uint32>(h >> 1, 1);
m_env.CTXT[i].MIPTBP1.TBP3 = bp;
m_env.CTXT[i].MIPTBP1.TBW3 = bw;
// printf("MTBA\n");
}
}
template <int i>
void GSState::GIFRegHandlerCLAMP(const GIFReg* RESTRICT r)
{
GL_REG("CLAMP_%d = 0x%x_%x", i, r->u32[1], r->u32[0]);
if (PRIM->CTXT == i && r->CLAMP != m_env.CTXT[i].CLAMP)
{
Flush();
}
m_env.CTXT[i].CLAMP = (GSVector4i)r->CLAMP;
}
void GSState::GIFRegHandlerFOG(const GIFReg* RESTRICT r)
{
m_v.FOG = r->FOG.F;
}
void GSState::GIFRegHandlerNOP(const GIFReg* RESTRICT r)
{
}
template <int i>
void GSState::GIFRegHandlerTEX1(const GIFReg* RESTRICT r)
{
GL_REG("TEX1_%d = 0x%x_%x", i, r->u32[1], r->u32[0]);
if (PRIM->CTXT == i && r->TEX1 != m_env.CTXT[i].TEX1)
{
Flush();
}
m_env.CTXT[i].TEX1 = (GSVector4i)r->TEX1;
}
template <int i>
void GSState::GIFRegHandlerTEX2(const GIFReg* RESTRICT r)
{
GL_REG("TEX2_%d = 0x%x_%x", i, r->u32[1], r->u32[0]);
// m_env.CTXT[i].TEX2 = r->TEX2; // not used
// TEX2 is a masked write to TEX0, for performing CLUT swaps (palette swaps).
// It only applies the following fields:
// CLD, CSA, CSM, CPSM, CBP, PSM.
// It ignores these fields (uses existing values in the context):
// TFX, TCC, TH, TW, TBW, and TBP0
uint64 mask = 0xFFFFFFE003F00000ull; // TEX2 bits
GIFRegTEX0 TEX0;
TEX0.u64 = (m_env.CTXT[i].TEX0.u64 & ~mask) | (r->u64 & mask);
ApplyTEX0<i>(TEX0);
}
template <int i>
void GSState::GIFRegHandlerXYOFFSET(const GIFReg* RESTRICT r)
{
GL_REG("XYOFFSET_%d = 0x%x_%x", i, r->u32[1], r->u32[0]);
GSVector4i o = (GSVector4i)r->XYOFFSET & GSVector4i::x0000ffff();
if (!o.eq(m_env.CTXT[i].XYOFFSET))
{
Flush();
}
m_env.CTXT[i].XYOFFSET = o;
m_env.CTXT[i].UpdateScissor();
UpdateScissor();
}
void GSState::GIFRegHandlerPRMODECONT(const GIFReg* RESTRICT r)
{
GL_REG("PRMODECONT = 0x%x_%x", r->u32[1], r->u32[0]);
m_env.PRMODECONT.AC = r->PRMODECONT.AC;
// if(PRIM->PRIM == 7) printf("Invalid PRMODECONT/PRIM\n");
}
void GSState::GIFRegHandlerPRMODE(const GIFReg* RESTRICT r)
{
GL_REG("PRMODE = 0x%x_%x", r->u32[1], r->u32[0]);
if (!m_env.PRMODECONT.AC)
{
if ((m_env.PRIM.u32[0] ^ r->PRMODE.u32[0]) & 0x7f8)
Flush();
}
else
{
return;
}
uint32 _PRIM = m_env.PRIM.PRIM;
m_env.PRIM = (GSVector4i)r->PRMODE;
m_env.PRIM.PRIM = _PRIM;
UpdateContext();
}
void GSState::GIFRegHandlerTEXCLUT(const GIFReg* RESTRICT r)
{
GL_REG("TEXCLUT = 0x%x_%x", r->u32[1], r->u32[0]);
if (r->TEXCLUT != m_env.TEXCLUT)
{
Flush();
}
m_env.TEXCLUT = (GSVector4i)r->TEXCLUT;
}
void GSState::GIFRegHandlerSCANMSK(const GIFReg* RESTRICT r)
{
if (r->SCANMSK != m_env.SCANMSK)
{
Flush();
}
m_env.SCANMSK = (GSVector4i)r->SCANMSK;
}
template <int i>
void GSState::GIFRegHandlerMIPTBP1(const GIFReg* RESTRICT r)
{
GL_REG("MIPTBP1_%d = 0x%x_%x", i, r->u32[1], r->u32[0]);
if (PRIM->CTXT == i && r->MIPTBP1 != m_env.CTXT[i].MIPTBP1)
{
Flush();
}
m_env.CTXT[i].MIPTBP1 = (GSVector4i)r->MIPTBP1;
}
template <int i>
void GSState::GIFRegHandlerMIPTBP2(const GIFReg* RESTRICT r)
{
GL_REG("MIPTBP2_%d = 0x%x_%x", i, r->u32[1], r->u32[0]);
if (PRIM->CTXT == i && r->MIPTBP2 != m_env.CTXT[i].MIPTBP2)
{
Flush();
}
m_env.CTXT[i].MIPTBP2 = (GSVector4i)r->MIPTBP2;
}
void GSState::GIFRegHandlerTEXA(const GIFReg* RESTRICT r)
{
GL_REG("TEXA = 0x%x_%x", r->u32[1], r->u32[0]);
if (r->TEXA != m_env.TEXA)
{
Flush();
}
m_env.TEXA = (GSVector4i)r->TEXA;
}
void GSState::GIFRegHandlerFOGCOL(const GIFReg* RESTRICT r)
{
GL_REG("FOGCOL = 0x%x_%x", r->u32[1], r->u32[0]);
if (r->FOGCOL != m_env.FOGCOL)
{
Flush();
}
m_env.FOGCOL = (GSVector4i)r->FOGCOL;
}
void GSState::GIFRegHandlerTEXFLUSH(const GIFReg* RESTRICT r)
{
GL_REG("TEXFLUSH = 0x%x_%x", r->u32[1], r->u32[0]);
m_texflush = true;
}
template <int i>
void GSState::GIFRegHandlerSCISSOR(const GIFReg* RESTRICT r)
{
if (PRIM->CTXT == i && r->SCISSOR != m_env.CTXT[i].SCISSOR)
{
Flush();
}
m_env.CTXT[i].SCISSOR = (GSVector4i)r->SCISSOR;
m_env.CTXT[i].UpdateScissor();
UpdateScissor();
}
template <int i>
void GSState::GIFRegHandlerALPHA(const GIFReg* RESTRICT r)
{
GL_REG("ALPHA = 0x%x_%x", r->u32[1], r->u32[0]);
if (PRIM->CTXT == i && r->ALPHA != m_env.CTXT[i].ALPHA)
{
Flush();
}
m_env.CTXT[i].ALPHA = (GSVector4i)r->ALPHA;
// A/B/C/D == 3? => 2
m_env.CTXT[i].ALPHA.u32[0] = ((~m_env.CTXT[i].ALPHA.u32[0] >> 1) | 0xAA) & m_env.CTXT[i].ALPHA.u32[0];
}
void GSState::GIFRegHandlerDIMX(const GIFReg* RESTRICT r)
{
bool update = false;
if (r->DIMX != m_env.DIMX)
{
Flush();
update = true;
}
m_env.DIMX = (GSVector4i)r->DIMX;
if (update)
{
m_env.UpdateDIMX();
}
}
void GSState::GIFRegHandlerDTHE(const GIFReg* RESTRICT r)
{
if (r->DTHE != m_env.DTHE)
{
Flush();
}
m_env.DTHE = (GSVector4i)r->DTHE;
}
void GSState::GIFRegHandlerCOLCLAMP(const GIFReg* RESTRICT r)
{
if (r->COLCLAMP != m_env.COLCLAMP)
{
Flush();
}
m_env.COLCLAMP = (GSVector4i)r->COLCLAMP;
#ifdef DISABLE_COLCLAMP
m_env.COLCLAMP.CLAMP = 1;
#endif
}
template <int i>
void GSState::GIFRegHandlerTEST(const GIFReg* RESTRICT r)
{
if (PRIM->CTXT == i && r->TEST != m_env.CTXT[i].TEST)
{
Flush();
}
m_env.CTXT[i].TEST = (GSVector4i)r->TEST;
#ifdef DISABLE_DATE
m_env.CTXT[i].TEST.DATE = 0;
#endif
}
void GSState::GIFRegHandlerPABE(const GIFReg* RESTRICT r)
{
if (r->PABE != m_env.PABE)
{
Flush();
}
m_env.PABE = (GSVector4i)r->PABE;
}
template <int i>
void GSState::GIFRegHandlerFBA(const GIFReg* RESTRICT r)
{
if (PRIM->CTXT == i && r->FBA != m_env.CTXT[i].FBA)
{
Flush();
}
m_env.CTXT[i].FBA = (GSVector4i)r->FBA;
}
template <int i>
void GSState::GIFRegHandlerFRAME(const GIFReg* RESTRICT r)
{
GL_REG("FRAME_%d = 0x%x_%x", i, r->u32[1], r->u32[0]);
if (PRIM->CTXT == i && r->FRAME != m_env.CTXT[i].FRAME)
{
Flush();
}
if ((m_env.CTXT[i].FRAME.u32[0] ^ r->FRAME.u32[0]) & 0x3f3f01ff) // FBP FBW PSM
{
m_env.CTXT[i].offset.fb = m_mem.GetOffset(r->FRAME.Block(), r->FRAME.FBW, r->FRAME.PSM);
m_env.CTXT[i].offset.zb = m_mem.GetOffset(m_env.CTXT[i].ZBUF.Block(), r->FRAME.FBW, m_env.CTXT[i].ZBUF.PSM);
m_env.CTXT[i].offset.fzb = m_mem.GetPixelOffset(r->FRAME, m_env.CTXT[i].ZBUF);
m_env.CTXT[i].offset.fzb4 = m_mem.GetPixelOffset4(r->FRAME, m_env.CTXT[i].ZBUF);
}
m_env.CTXT[i].FRAME = (GSVector4i)r->FRAME;
switch (m_env.CTXT[i].FRAME.PSM)
{
case PSM_PSMT8H:
// Berserk uses the format to only update the alpha channel
GL_INS("CORRECT FRAME FORMAT replaces PSM_PSMT8H by PSM_PSMCT32/0x00FF_FFFF");
m_env.CTXT[i].FRAME.PSM = PSM_PSMCT32;
m_env.CTXT[i].FRAME.FBMSK = 0x00FFFFFF;
break;
case PSM_PSMT4HH: // Not tested. Based on PSM_PSMT8H behavior
GL_INS("CORRECT FRAME FORMAT replaces PSM_PSMT4HH by PSM_PSMCT32/0x0FFF_FFFF");
m_env.CTXT[i].FRAME.PSM = PSM_PSMCT32;
m_env.CTXT[i].FRAME.FBMSK = 0x0FFFFFFF;
break;
case PSM_PSMT4HL: // Not tested. Based on PSM_PSMT8H behavior
GL_INS("CORRECT FRAME FORMAT replaces PSM_PSMT4HL by PSM_PSMCT32/0xF0FF_FFFF");
m_env.CTXT[i].FRAME.PSM = PSM_PSMCT32;
m_env.CTXT[i].FRAME.FBMSK = 0xF0FFFFFF;
break;
default:
break;
}
#ifdef DISABLE_BITMASKING
m_env.CTXT[i].FRAME.FBMSK = GSVector4i::store(GSVector4i::load((int)m_env.CTXT[i].FRAME.FBMSK).eq8(GSVector4i::xffffffff()));
#endif
}
template <int i>
void GSState::GIFRegHandlerZBUF(const GIFReg* RESTRICT r)
{
GL_REG("ZBUF_%d = 0x%x_%x", i, r->u32[1], r->u32[0]);
GIFRegZBUF ZBUF = r->ZBUF;
if (ZBUF.u32[0] == 0)
{
// during startup all regs are cleared to 0 (by the bios or something), so we mask z until this register becomes valid
// edit: breaks Grandia Xtreme and sounds like a bad idea generally. What was the intend?
// edit2: should be set only before any serious drawing happens, grandia extreme nulls out this register throughout the whole game,
// I already forgot what it fixed, that game never masked the zbuffer, but assumed it was set by default
//ZBUF.ZMSK = 1;
}
ZBUF.PSM |= 0x30;
if (ZBUF.PSM != PSM_PSMZ32 && ZBUF.PSM != PSM_PSMZ24 && ZBUF.PSM != PSM_PSMZ16 && ZBUF.PSM != PSM_PSMZ16S)
{
ZBUF.PSM = PSM_PSMZ32;
}
if (PRIM->CTXT == i && ZBUF != m_env.CTXT[i].ZBUF)
{
Flush();
}
if ((m_env.CTXT[i].ZBUF.u32[0] ^ ZBUF.u32[0]) & 0x3f0001ff) // ZBP PSM
{
m_env.CTXT[i].offset.zb = m_mem.GetOffset(ZBUF.Block(), m_env.CTXT[i].FRAME.FBW, ZBUF.PSM);
m_env.CTXT[i].offset.fzb = m_mem.GetPixelOffset(m_env.CTXT[i].FRAME, ZBUF);
m_env.CTXT[i].offset.fzb4 = m_mem.GetPixelOffset4(m_env.CTXT[i].FRAME, ZBUF);
}
m_env.CTXT[i].ZBUF = (GSVector4i)ZBUF;
}
void GSState::GIFRegHandlerBITBLTBUF(const GIFReg* RESTRICT r)
{
// TODO: Paletted formats
// There is a memory bug on the GS as it relates to the transfering of
// 8-bit and 4-bit formats needing an even buffer width due to the
// second half of the page being addressed by TBW/2
//
// namcoXcapcom: Apparently uses DBW of 5 and 11 (and refers to them
// in TEX0 later as 4 and 10 respectively). However I can find no
// documentation on this problem, nothing in the game to suggest
// it is broken and the code here for it was likely incorrect to begin with.
GL_REG("BITBLTBUF = 0x%x_%x", r->u32[1], r->u32[0]);
if (r->BITBLTBUF != m_env.BITBLTBUF)
{
FlushWrite();
}
m_env.BITBLTBUF = (GSVector4i)r->BITBLTBUF;
}
void GSState::GIFRegHandlerTRXPOS(const GIFReg* RESTRICT r)
{
GL_REG("TRXPOS = 0x%x_%x", r->u32[1], r->u32[0]);
if (r->TRXPOS != m_env.TRXPOS)
{
FlushWrite();
}
m_env.TRXPOS = (GSVector4i)r->TRXPOS;
}
void GSState::GIFRegHandlerTRXREG(const GIFReg* RESTRICT r)
{
GL_REG("TRXREG = 0x%x_%x", r->u32[1], r->u32[0]);
if (r->TRXREG != m_env.TRXREG)
{
FlushWrite();
}
m_env.TRXREG = (GSVector4i)r->TRXREG;
}
void GSState::GIFRegHandlerTRXDIR(const GIFReg* RESTRICT r)
{
GL_REG("TRXDIR = 0x%x_%x", r->u32[1], r->u32[0]);
Flush();
m_env.TRXDIR = (GSVector4i)r->TRXDIR;
switch (m_env.TRXDIR.XDIR)
{
case 0: // host -> local
m_tr.Init(m_env.TRXPOS.DSAX, m_env.TRXPOS.DSAY, m_env.BITBLTBUF);
break;
case 1: // local -> host
m_tr.Init(m_env.TRXPOS.SSAX, m_env.TRXPOS.SSAY, m_env.BITBLTBUF);
break;
case 2: // local -> local
Move();
break;
case 3:
ASSERT(0);
break;
default:
__assume(0);
}
}
void GSState::GIFRegHandlerHWREG(const GIFReg* RESTRICT r)
{
GL_REG("HWREG = 0x%x_%x", r->u32[1], r->u32[0]);
ASSERT(m_env.TRXDIR.XDIR == 0); // host => local
Write((uint8*)r, 8); // haunting ground
}
void GSState::GIFRegHandlerSIGNAL(const GIFReg* RESTRICT r)
{
GL_REG("SIGNAL = 0x%x_%x", r->u32[1], r->u32[0]);
m_regs->SIGLBLID.SIGID = (m_regs->SIGLBLID.SIGID & ~r->SIGNAL.IDMSK) | (r->SIGNAL.ID & r->SIGNAL.IDMSK);
if (m_regs->CSR.wSIGNAL)
m_regs->CSR.rSIGNAL = 1;
if (!m_regs->IMR.SIGMSK && m_irq)
m_irq();
}
void GSState::GIFRegHandlerFINISH(const GIFReg* RESTRICT r)
{
GL_REG("FINISH = 0x%x_%x", r->u32[1], r->u32[0]);
if (m_regs->CSR.wFINISH)
m_regs->CSR.rFINISH = 1;
if (!m_regs->IMR.FINISHMSK && m_irq)
m_irq();
}
void GSState::GIFRegHandlerLABEL(const GIFReg* RESTRICT r)
{
GL_REG("LABEL = 0x%x_%x", r->u32[1], r->u32[0]);
m_regs->SIGLBLID.LBLID = (m_regs->SIGLBLID.LBLID & ~r->LABEL.IDMSK) | (r->LABEL.ID & r->LABEL.IDMSK);
}
//
void GSState::Flush()
{
FlushWrite();
FlushPrim();
}
void GSState::FlushWrite()
{
int len = m_tr.end - m_tr.start;
if (len <= 0)
return;
GSVector4i r;
r.left = m_env.TRXPOS.DSAX;
r.top = m_env.TRXPOS.DSAY;
r.right = r.left + m_env.TRXREG.RRW;
r.bottom = r.top + m_env.TRXREG.RRH;
InvalidateVideoMem(m_env.BITBLTBUF, r);
//int y = m_tr.y;
GSLocalMemory::writeImage wi = GSLocalMemory::m_psm[m_env.BITBLTBUF.DPSM].wi;
(m_mem.*wi)(m_tr.x, m_tr.y, &m_tr.buff[m_tr.start], len, m_env.BITBLTBUF, m_env.TRXPOS, m_env.TRXREG);
m_tr.start += len;
m_perfmon.Put(GSPerfMon::Swizzle, len);
//GSVector4i r;
//r.left = m_env.TRXPOS.DSAX;
//r.top = y;
//r.right = r.left + m_env.TRXREG.RRW;
//r.bottom = std::min<int>(r.top + m_env.TRXREG.RRH, m_tr.x == r.left ? m_tr.y : m_tr.y + 1);
//InvalidateVideoMem(m_env.BITBLTBUF, r);
//static int n = 0;
//std::string s;
//s = format("c:\\temp1\\[%04d]_%05x_%d_%d_%d_%d_%d_%d.bmp",
// n++, (int)m_env.BITBLTBUF.DBP, (int)m_env.BITBLTBUF.DBW, (int)m_env.BITBLTBUF.DPSM,
// r.left, r.top, r.right, r.bottom);
//m_mem.SaveBMP(s, m_env.BITBLTBUF.DBP, m_env.BITBLTBUF.DBW, m_env.BITBLTBUF.DPSM, r.right, r.bottom);
}
void GSState::FlushPrim()
{
if (m_index.tail > 0)
{
GL_REG("FlushPrim ctxt %d", PRIM->CTXT);
// Some games (Harley Davidson/Virtua Fighter) do dirty trick with multiple contexts cluts
// In doubt, always reload the clut before a draw.
// Note: perf impact is likely slow enough as WriteTest will likely be false.
if (m_clut_load_before_draw)
{
if (m_mem.m_clut.WriteTest(m_context->TEX0, m_env.TEXCLUT))
{
m_mem.m_clut.Write(m_context->TEX0, m_env.TEXCLUT);
}
}
GSVertex buff[2];
s_n++;
size_t head = m_vertex.head;
size_t tail = m_vertex.tail;
size_t next = m_vertex.next;
size_t unused = 0;
if (tail > head)
{
switch (PRIM->PRIM)
{
case GS_POINTLIST:
ASSERT(0);
break;
case GS_LINELIST:
case GS_LINESTRIP:
case GS_SPRITE:
case GS_TRIANGLELIST:
case GS_TRIANGLESTRIP:
unused = tail - head;
memcpy(buff, &m_vertex.buff[head], sizeof(GSVertex) * unused);
break;
case GS_TRIANGLEFAN:
buff[0] = m_vertex.buff[head];
unused = 1;
if (tail - 1 > head)
{
buff[1] = m_vertex.buff[tail - 1];
unused = 2;
}
break;
case GS_INVALID:
break;
default:
__assume(0);
}
ASSERT((int)unused < GSUtil::GetVertexCount(PRIM->PRIM));
}
#ifdef ENABLE_OGL_DEBUG
// Validate PSM format
switch (m_context->TEX0.PSM)
{
case PSM_PSMCT32:
case PSM_PSMCT24:
case PSM_PSMCT16:
case PSM_PSMCT16S:
case PSM_PSMT8:
case PSM_PSMT4:
case PSM_PSMT8H:
case PSM_PSMT4HL:
case PSM_PSMT4HH:
case PSM_PSMZ32:
case PSM_PSMZ24:
case PSM_PSMZ16:
case PSM_PSMZ16S:
break;
default:
fprintf(stderr, "%d:INVALID PSM 0x%x !!!\n", s_n, m_context->TEX0.PSM);
break;
}
#endif
if (GSLocalMemory::m_psm[m_context->FRAME.PSM].fmt < 3 && GSLocalMemory::m_psm[m_context->ZBUF.PSM].fmt < 3)
{
m_vt.Update(m_vertex.buff, m_index.buff, m_vertex.tail, m_index.tail, GSUtil::GetPrimClass(PRIM->PRIM));
m_context->SaveReg();
try
{
Draw();
}
catch (GSDXRecoverableError&)
{
// could be an unsupported draw call
}
catch (const std::bad_alloc& e)
{
// Texture Out Of Memory
PurgePool();
fprintf(stderr, "GSDX OUT OF MEMORY\n");
}
m_context->RestoreReg();
m_perfmon.Put(GSPerfMon::Draw, 1);
m_perfmon.Put(GSPerfMon::Prim, m_index.tail / GSUtil::GetVertexCount(PRIM->PRIM));
}
else
{
#ifdef ENABLE_OGL_DEBUG
fprintf(stderr, "%d:Skip draw call due to invalid format %x/%x\n", s_n, m_context->FRAME.PSM, m_context->ZBUF.PSM);
#endif
}
m_index.tail = 0;
m_vertex.head = 0;
if (unused > 0)
{
memcpy(m_vertex.buff, buff, sizeof(GSVertex) * unused);
m_vertex.tail = unused;
m_vertex.next = next > head ? next - head : 0;
}
else
{
m_vertex.tail = 0;
m_vertex.next = 0;
}
}
}
//
void GSState::Write(const uint8* mem, int len)
{
int w = m_env.TRXREG.RRW;
int h = m_env.TRXREG.RRH;
GIFRegBITBLTBUF& blit = m_tr.m_blit;
const GSLocalMemory::psm_t& psm = GSLocalMemory::m_psm[blit.DPSM];
/*
* The game uses a resolution of 512x244. RT is located at 0x700 and depth at 0x0
*
* #Bug number 1. (bad top bar)
* The game saves the depth buffer in the EE but with a resolution of
* 512x255. So it is ending to 0x7F8, ouch it saves the top of the RT too.
*
* #Bug number 2. (darker screen)
* The game will restore the previously saved buffer at position 0x0 to
* 0x7F8. Because of the extra RT pixels, GSdx will partialy invalidate
* the texture located at 0x700. Next access will generate a cache miss
*
* The no-solution: instead to handle garbage (aka RT) at the end of the
* depth buffer. Let's reduce the size of the transfer
*/
if (m_game.title == CRC::SMTNocturne)
{
if (blit.DBP == 0 && blit.DPSM == PSM_PSMZ32 && w == 512 && h > 224)
{
h = 224;
m_env.TRXREG.RRH = 224;
}
}
// printf("Write len=%d DBP=%05x DBW=%d DPSM=%d DSAX=%d DSAY=%d RRW=%d RRH=%d\n", len, blit.DBP, blit.DBW, blit.DPSM, m_env.TRXPOS.DSAX, m_env.TRXPOS.DSAY, m_env.TRXREG.RRW, m_env.TRXREG.RRH);
if (!m_tr.Update(w, h, psm.trbpp, len))
{
return;
}
GL_CACHE("Write! ... => 0x%x W:%d F:%s (DIR %d%d), dPos(%d %d) size(%d %d)",
blit.DBP, blit.DBW, psm_str(blit.DPSM),
m_env.TRXPOS.DIRX, m_env.TRXPOS.DIRY,
m_env.TRXPOS.DSAX, m_env.TRXPOS.DSAY, w, h);
if (PRIM->TME && (blit.DBP == m_context->TEX0.TBP0 || blit.DBP == m_context->TEX0.CBP)) // TODO: hmmmm
{
FlushPrim();
}
if (m_tr.end == 0 && len >= m_tr.total)
{
// received all data in one piece, no need to buffer it
// printf("%d >= %d\n", len, m_tr.total);
GSVector4i r;
r.left = m_env.TRXPOS.DSAX;
r.top = m_env.TRXPOS.DSAY;
r.right = r.left + m_env.TRXREG.RRW;
r.bottom = r.top + m_env.TRXREG.RRH;
InvalidateVideoMem(blit, r);
(m_mem.*psm.wi)(m_tr.x, m_tr.y, mem, m_tr.total, blit, m_env.TRXPOS, m_env.TRXREG);
m_tr.start = m_tr.end = m_tr.total;
m_perfmon.Put(GSPerfMon::Swizzle, len);
//static int n = 0;
//std::string s;
//s = format("c:\\temp1\\[%04d]_%05x_%d_%d_%d_%d_%d_%d.bmp",
// n++, (int)blit.DBP, (int)blit.DBW, (int)blit.DPSM,
// r.left, r.top, r.right, r.bottom);
//m_mem.SaveBMP(s, blit.DBP, blit.DBW, blit.DPSM, r.right, r.bottom);
}
else
{
// printf("%d += %d (%d)\n", m_tr.end, len, m_tr.total);
memcpy(&m_tr.buff[m_tr.end], mem, len);
m_tr.end += len;
if (m_tr.end >= m_tr.total)
{
FlushWrite();
}
}
m_mem.m_clut.Invalidate();
}
void GSState::InitReadFIFO(uint8* mem, int len)
{
if (len <= 0)
return;
// Allow to keep compatibility with older PCSX2
m_init_read_fifo_supported = true;
int sx = m_env.TRXPOS.SSAX;
int sy = m_env.TRXPOS.SSAY;
int w = m_env.TRXREG.RRW;
int h = m_env.TRXREG.RRH;
//printf("Read len=%d SBP=%05x SBW=%d SPSM=%d SSAX=%d SSAY=%d RRW=%d RRH=%d\n",
// len, (int)m_env.BITBLTBUF.SBP, (int)m_env.BITBLTBUF.SBW, (int)m_env.BITBLTBUF.SPSM,
// sx, sy, w, h);
if (!m_tr.Update(w, h, GSLocalMemory::m_psm[m_env.BITBLTBUF.SPSM].trbpp, len))
{
return;
}
if (m_tr.x == sx && m_tr.y == sy)
{
InvalidateLocalMem(m_env.BITBLTBUF, GSVector4i(sx, sy, sx + w, sy + h));
}
}
void GSState::Read(uint8* mem, int len)
{
if (len <= 0)
return;
int sx = m_env.TRXPOS.SSAX;
int sy = m_env.TRXPOS.SSAY;
int w = m_env.TRXREG.RRW;
int h = m_env.TRXREG.RRH;
GSVector4i r(sx, sy, sx + w, sy + h);
// Function is called from the EE thread. Unforunately gl stuff can only be used from a single thread (AKA MTGS)
if (GLLoader::in_replayer)
{
GL_CACHE(
"Read! len=%d SBP=%05x SBW=%d SPSM=%s SSAX=%d SSAY=%d RRW=%d RRH=%d",
len, (int)m_env.BITBLTBUF.SBP, (int)m_env.BITBLTBUF.SBW,
psm_str(m_env.BITBLTBUF.SPSM), sx, sy, w, h);
}
if (!m_tr.Update(w, h, GSLocalMemory::m_psm[m_env.BITBLTBUF.SPSM].trbpp, len))
{
return;
}
if (!m_init_read_fifo_supported)
{
if (m_tr.x == sx && m_tr.y == sy)
{
InvalidateLocalMem(m_env.BITBLTBUF, r);
}
}
m_mem.ReadImageX(m_tr.x, m_tr.y, mem, len, m_env.BITBLTBUF, m_env.TRXPOS, m_env.TRXREG);
if (s_dump && s_save && s_n >= s_saven)
{
std::string s = m_dump_root + format(
"%05d_read_%05x_%d_%d_%d_%d_%d_%d.bmp",
s_n, (int)m_env.BITBLTBUF.SBP, (int)m_env.BITBLTBUF.SBW, (int)m_env.BITBLTBUF.SPSM,
r.left, r.top, r.right, r.bottom);
m_mem.SaveBMP(s, m_env.BITBLTBUF.SBP, m_env.BITBLTBUF.SBW, m_env.BITBLTBUF.SPSM, r.right, r.bottom);
}
}
void GSState::Move()
{
// ffxii uses this to move the top/bottom of the scrolling menus offscreen and then blends them back over the text to create a shading effect
// guitar hero copies the far end of the board to do a similar blend too
int sx = m_env.TRXPOS.SSAX;
int sy = m_env.TRXPOS.SSAY;
int dx = m_env.TRXPOS.DSAX;
int dy = m_env.TRXPOS.DSAY;
int w = m_env.TRXREG.RRW;
int h = m_env.TRXREG.RRH;
GL_CACHE("Move! 0x%x W:%d F:%s => 0x%x W:%d F:%s (DIR %d%d), sPos(%d %d) dPos(%d %d) size(%d %d)",
m_env.BITBLTBUF.SBP, m_env.BITBLTBUF.SBW, psm_str(m_env.BITBLTBUF.SPSM),
m_env.BITBLTBUF.DBP, m_env.BITBLTBUF.DBW, psm_str(m_env.BITBLTBUF.DPSM),
m_env.TRXPOS.DIRX, m_env.TRXPOS.DIRY,
sx, sy, dx, dy, w, h);
InvalidateLocalMem(m_env.BITBLTBUF, GSVector4i(sx, sy, sx + w, sy + h));
InvalidateVideoMem(m_env.BITBLTBUF, GSVector4i(dx, dy, dx + w, dy + h));
int xinc = 1;
int yinc = 1;
if (m_env.TRXPOS.DIRX)
{
sx += w - 1;
dx += w - 1;
xinc = -1;
}
if (m_env.TRXPOS.DIRY)
{
sy += h - 1;
dy += h - 1;
yinc = -1;
}
//printf("%05x %d %d => %05x %d %d (%d%d), %d %d %d %d %d %d\n",
// m_env.BITBLTBUF.SBP, m_env.BITBLTBUF.SBW, m_env.BITBLTBUF.SPSM,
// m_env.BITBLTBUF.DBP, m_env.BITBLTBUF.DBW, m_env.BITBLTBUF.DPSM,
// m_env.TRXPOS.DIRX, m_env.TRXPOS.DIRY,
// sx, sy, dx, dy, w, h);
//GSLocalMemory::readPixel rp = GSLocalMemory::m_psm[m_env.BITBLTBUF.SPSM].rp;
//GSLocalMemory::writePixel wp = GSLocalMemory::m_psm[m_env.BITBLTBUF.DPSM].wp;
//for(int y = 0; y < h; y++, sy += yinc, dy += yinc, sx -= xinc*w, dx -= xinc*w)
// for(int x = 0; x < w; x++, sx += xinc, dx += xinc)
// (m_mem.*wp)(dx, dy, (m_mem.*rp)(sx, sy, m_env.BITBLTBUF.SBP, m_env.BITBLTBUF.SBW), m_env.BITBLTBUF.DBP, m_env.BITBLTBUF.DBW);
const GSLocalMemory::psm_t& spsm = GSLocalMemory::m_psm[m_env.BITBLTBUF.SPSM];
const GSLocalMemory::psm_t& dpsm = GSLocalMemory::m_psm[m_env.BITBLTBUF.DPSM];
// TODO: unroll inner loops (width has special size requirement, must be multiples of 1 << n, depending on the format)
GSOffset* RESTRICT spo = m_mem.GetOffset(m_env.BITBLTBUF.SBP, m_env.BITBLTBUF.SBW, m_env.BITBLTBUF.SPSM);
GSOffset* RESTRICT dpo = m_mem.GetOffset(m_env.BITBLTBUF.DBP, m_env.BITBLTBUF.DBW, m_env.BITBLTBUF.DPSM);
if (spsm.trbpp == dpsm.trbpp && spsm.trbpp >= 16)
{
int* RESTRICT scol = &spo->pixel.col[0][sx];
int* RESTRICT dcol = &dpo->pixel.col[0][dx];
if (spsm.trbpp == 32)
{
if (xinc > 0)
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint32* RESTRICT s = &m_mem.m_vm32[spo->pixel.row[sy]];
uint32* RESTRICT d = &m_mem.m_vm32[dpo->pixel.row[dy]];
for (int x = 0; x < w; x++)
d[dcol[x]] = s[scol[x]];
}
}
else
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint32* RESTRICT s = &m_mem.m_vm32[spo->pixel.row[sy]];
uint32* RESTRICT d = &m_mem.m_vm32[dpo->pixel.row[dy]];
for (int x = 0; x > -w; x--)
d[dcol[x]] = s[scol[x]];
}
}
}
else if (spsm.trbpp == 24)
{
if (xinc > 0)
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint32* RESTRICT s = &m_mem.m_vm32[spo->pixel.row[sy]];
uint32* RESTRICT d = &m_mem.m_vm32[dpo->pixel.row[dy]];
for (int x = 0; x < w; x++)
d[dcol[x]] = (d[dcol[x]] & 0xff000000) | (s[scol[x]] & 0x00ffffff);
}
}
else
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint32* RESTRICT s = &m_mem.m_vm32[spo->pixel.row[sy]];
uint32* RESTRICT d = &m_mem.m_vm32[dpo->pixel.row[dy]];
for (int x = 0; x > -w; x--)
d[dcol[x]] = (d[dcol[x]] & 0xff000000) | (s[scol[x]] & 0x00ffffff);
}
}
}
else // if(spsm.trbpp == 16)
{
if (xinc > 0)
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint16* RESTRICT s = &m_mem.m_vm16[spo->pixel.row[sy]];
uint16* RESTRICT d = &m_mem.m_vm16[dpo->pixel.row[dy]];
for (int x = 0; x < w; x++)
d[dcol[x]] = s[scol[x]];
}
}
else
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint16* RESTRICT s = &m_mem.m_vm16[spo->pixel.row[sy]];
uint16* RESTRICT d = &m_mem.m_vm16[dpo->pixel.row[dy]];
for (int x = 0; x > -w; x--)
d[dcol[x]] = s[scol[x]];
}
}
}
}
else if (m_env.BITBLTBUF.SPSM == PSM_PSMT8 && m_env.BITBLTBUF.DPSM == PSM_PSMT8)
{
if (xinc > 0)
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint8* RESTRICT s = &m_mem.m_vm8[spo->pixel.row[sy]];
uint8* RESTRICT d = &m_mem.m_vm8[dpo->pixel.row[dy]];
int* RESTRICT scol = &spo->pixel.col[sy & 7][sx];
int* RESTRICT dcol = &dpo->pixel.col[dy & 7][dx];
for (int x = 0; x < w; x++)
d[dcol[x]] = s[scol[x]];
}
}
else
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint8* RESTRICT s = &m_mem.m_vm8[spo->pixel.row[sy]];
uint8* RESTRICT d = &m_mem.m_vm8[dpo->pixel.row[dy]];
int* RESTRICT scol = &spo->pixel.col[sy & 7][sx];
int* RESTRICT dcol = &dpo->pixel.col[dy & 7][dx];
for (int x = 0; x > -w; x--)
d[dcol[x]] = s[scol[x]];
}
}
}
else if (m_env.BITBLTBUF.SPSM == PSM_PSMT4 && m_env.BITBLTBUF.DPSM == PSM_PSMT4)
{
if (xinc > 0)
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint32 sbase = spo->pixel.row[sy];
uint32 dbase = dpo->pixel.row[dy];
int* RESTRICT scol = &spo->pixel.col[sy & 7][sx];
int* RESTRICT dcol = &dpo->pixel.col[dy & 7][dx];
for (int x = 0; x < w; x++)
m_mem.WritePixel4(dbase + dcol[x], m_mem.ReadPixel4(sbase + scol[x]));
}
}
else
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint32 sbase = spo->pixel.row[sy];
uint32 dbase = dpo->pixel.row[dy];
int* RESTRICT scol = &spo->pixel.col[sy & 7][sx];
int* RESTRICT dcol = &dpo->pixel.col[dy & 7][dx];
for (int x = 0; x > -w; x--)
m_mem.WritePixel4(dbase + dcol[x], m_mem.ReadPixel4(sbase + scol[x]));
}
}
}
else
{
if (xinc > 0)
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint32 sbase = spo->pixel.row[sy];
uint32 dbase = dpo->pixel.row[dy];
int* RESTRICT scol = &spo->pixel.col[sy & 7][sx];
int* RESTRICT dcol = &dpo->pixel.col[dy & 7][dx];
for (int x = 0; x < w; x++)
(m_mem.*dpsm.wpa)(dbase + dcol[x], (m_mem.*spsm.rpa)(sbase + scol[x]));
}
}
else
{
for (int y = 0; y < h; y++, sy += yinc, dy += yinc)
{
uint32 sbase = spo->pixel.row[sy];
uint32 dbase = dpo->pixel.row[dy];
int* RESTRICT scol = &spo->pixel.col[sy & 7][sx];
int* RESTRICT dcol = &dpo->pixel.col[dy & 7][dx];
for (int x = 0; x > -w; x--)
(m_mem.*dpsm.wpa)(dbase + dcol[x], (m_mem.*spsm.rpa)(sbase + scol[x]));
}
}
}
}
void GSState::SoftReset(uint32 mask)
{
if (mask & 1)
{
memset(&m_path[0], 0, sizeof(GIFPath));
memset(&m_path[3], 0, sizeof(GIFPath));
}
if (mask & 2)
memset(&m_path[1], 0, sizeof(GIFPath));
if (mask & 4)
memset(&m_path[2], 0, sizeof(GIFPath));
m_env.TRXDIR.XDIR = 3; //-1 ; set it to invalid value
m_q = 1.0f;
}
void GSState::ReadFIFO(uint8* mem, int size)
{
GSPerfMonAutoTimer pmat(&m_perfmon);
Flush();
size *= 16;
Read(mem, size);
if (m_dump)
{
m_dump->ReadFIFO(size);
}
}
template void GSState::Transfer<0>(const uint8* mem, uint32 size);
template void GSState::Transfer<1>(const uint8* mem, uint32 size);
template void GSState::Transfer<2>(const uint8* mem, uint32 size);
template void GSState::Transfer<3>(const uint8* mem, uint32 size);
template <int index>
void GSState::Transfer(const uint8* mem, uint32 size)
{
GSPerfMonAutoTimer pmat(&m_perfmon);
const uint8* start = mem;
GIFPath& path = m_path[index];
while (size > 0)
{
if (path.nloop == 0)
{
path.SetTag(mem);
mem += sizeof(GIFTag);
size--;
// eeuser 7.2.2. GIFtag:
// "... when NLOOP is 0, the GIF does not output anything, and values other than the EOP field are disregarded."
if (path.nloop > 0)
{
m_q = 1.0f;
// ASSERT(!(path.tag.PRE && path.tag.FLG == GIF_FLG_REGLIST)); // kingdom hearts
if (path.tag.PRE && path.tag.FLG == GIF_FLG_PACKED)
{
ApplyPRIM(path.tag.PRIM);
}
}
}
else
{
uint32 total;
switch (path.tag.FLG)
{
case GIF_FLG_PACKED:
// get to the start of the loop
if (path.reg != 0)
{
do
{
(this->*m_fpGIFPackedRegHandlers[path.GetReg()])((GIFPackedReg*)mem);
mem += sizeof(GIFPackedReg);
size--;
} while (path.StepReg() && size > 0 && path.reg != 0);
}
// all data available? usually is
total = path.nloop * path.nreg;
if (size >= total)
{
size -= total;
switch (path.type)
{
case GIFPath::TYPE_UNKNOWN:
{
uint32 reg = 0;
do
{
(this->*m_fpGIFPackedRegHandlers[path.GetReg(reg++)])((GIFPackedReg*)mem);
mem += sizeof(GIFPackedReg);
reg = reg & ((int)(reg - path.nreg) >> 31); // resets reg back to 0 when it becomes equal to path.nreg
} while (--total > 0);
}
break;
case GIFPath::TYPE_ADONLY: // very common
do
{
(this->*m_fpGIFRegHandlers[((GIFPackedReg*)mem)->A_D.ADDR & 0x7F])(&((GIFPackedReg*)mem)->r);
mem += sizeof(GIFPackedReg);
} while (--total > 0);
break;
case GIFPath::TYPE_STQRGBAXYZF2: // majority of the vertices are formatted like this
(this->*m_fpGIFPackedRegHandlersC[GIF_REG_STQRGBAXYZF2])((GIFPackedReg*)mem, total);
mem += total * sizeof(GIFPackedReg);
break;
case GIFPath::TYPE_STQRGBAXYZ2:
(this->*m_fpGIFPackedRegHandlersC[GIF_REG_STQRGBAXYZ2])((GIFPackedReg*)mem, total);
mem += total * sizeof(GIFPackedReg);
break;
default:
__assume(0);
}
path.nloop = 0;
}
else
{
do
{
(this->*m_fpGIFPackedRegHandlers[path.GetReg()])((GIFPackedReg*)mem);
mem += sizeof(GIFPackedReg);
size--;
} while (path.StepReg() && size > 0);
}
break;
case GIF_FLG_REGLIST:
// TODO: do it similar to packed operation
size *= 2;
do
{
(this->*m_fpGIFRegHandlers[path.GetReg() & 0x7F])((GIFReg*)mem);
mem += sizeof(GIFReg);
size--;
} while (path.StepReg() && size > 0);
if (size & 1)
mem += sizeof(GIFReg);
size /= 2;
break;
case GIF_FLG_IMAGE2:
// hmmm // Fall through here fixes a crash in Wallace and Gromit Project Zoo
// and according to Pseudonym we shouldn't even land in this code. So hmm indeed. (rama)
//ASSERT(0);
//path.nloop = 0;
//break;
case GIF_FLG_IMAGE:
{
int len = (int)std::min(size, path.nloop);
//ASSERT(!(len&3));
switch (m_env.TRXDIR.XDIR)
{
case 0:
Write(mem, len * 16);
break;
case 1:
// This can't happen; downloads can not be started or performed as part of
// a GIFtag operation. They're an entirely separate process that can only be
// done through the ReverseFIFO transfer (aka ReadFIFO). --air
ASSERT(0);
//Read(mem, len * 16);
break;
case 2:
Move();
break;
case 3:
ASSERT(0);
break;
default:
__assume(0);
}
mem += len * 16;
path.nloop -= len;
size -= len;
}
break;
default:
__assume(0);
}
}
if (index == 0)
{
if (path.tag.EOP && path.nloop == 0)
{
break;
}
}
}
if (m_dump && mem > start)
{
m_dump->Transfer(index, start, mem - start);
}
if (index == 0)
{
if (size == 0 && path.nloop > 0)
{
if (m_mt)
{
// Hackfix for BIOS, which sends an incomplete packet when it does an XGKICK without
// having an EOP specified anywhere in VU1 memory. Needed until PCSX2 is fixed to
// handle it more properly (ie, without looping infinitely).
path.nloop = 0;
}
else
{
// Unused in 0.9.7 and above, but might as well keep this for now; allows GSdx
// to work with legacy editions of PCSX2.
Transfer<0>(mem - 0x4000, 0x4000 / 16);
}
}
}
}
template <class T>
static void WriteState(uint8*& dst, T* src, size_t len = sizeof(T))
{
memcpy(dst, src, len);
dst += len;
}
template <class T>
static void ReadState(T* dst, uint8*& src, size_t len = sizeof(T))
{
memcpy(dst, src, len);
src += len;
}
int GSState::Freeze(GSFreezeData* fd, bool sizeonly)
{
if (sizeonly)
{
fd->size = m_sssize;
return 0;
}
if (!fd->data || fd->size < m_sssize)
{
return -1;
}
Flush();
uint8* data = fd->data;
WriteState(data, &m_version);
WriteState(data, &m_env.PRIM);
WriteState(data, &m_env.PRMODE);
WriteState(data, &m_env.PRMODECONT);
WriteState(data, &m_env.TEXCLUT);
WriteState(data, &m_env.SCANMSK);
WriteState(data, &m_env.TEXA);
WriteState(data, &m_env.FOGCOL);
WriteState(data, &m_env.DIMX);
WriteState(data, &m_env.DTHE);
WriteState(data, &m_env.COLCLAMP);
WriteState(data, &m_env.PABE);
WriteState(data, &m_env.BITBLTBUF);
WriteState(data, &m_env.TRXDIR);
WriteState(data, &m_env.TRXPOS);
WriteState(data, &m_env.TRXREG);
WriteState(data, &m_env.TRXREG); // obsolete
for (int i = 0; i < 2; i++)
{
WriteState(data, &m_env.CTXT[i].XYOFFSET);
WriteState(data, &m_env.CTXT[i].TEX0);
WriteState(data, &m_env.CTXT[i].TEX1);
WriteState(data, &m_env.CTXT[i].TEX2);
WriteState(data, &m_env.CTXT[i].CLAMP);
WriteState(data, &m_env.CTXT[i].MIPTBP1);
WriteState(data, &m_env.CTXT[i].MIPTBP2);
WriteState(data, &m_env.CTXT[i].SCISSOR);
WriteState(data, &m_env.CTXT[i].ALPHA);
WriteState(data, &m_env.CTXT[i].TEST);
WriteState(data, &m_env.CTXT[i].FBA);
WriteState(data, &m_env.CTXT[i].FRAME);
WriteState(data, &m_env.CTXT[i].ZBUF);
}
WriteState(data, &m_v.RGBAQ);
WriteState(data, &m_v.ST);
WriteState(data, &m_v.UV);
WriteState(data, &m_v.FOG);
WriteState(data, &m_v.XYZ);
data += sizeof(GIFReg); // obsolite
WriteState(data, &m_tr.x);
WriteState(data, &m_tr.y);
WriteState(data, m_mem.m_vm8, m_mem.m_vmsize);
for (size_t i = 0; i < countof(m_path); i++)
{
m_path[i].tag.NREG = m_path[i].nreg;
m_path[i].tag.NLOOP = m_path[i].nloop;
m_path[i].tag.REGS = 0;
for (size_t j = 0; j < countof(m_path[i].regs.u8); j++)
{
m_path[i].tag.u32[2 + (j >> 3)] |= m_path[i].regs.u8[j] << ((j & 7) << 2);
}
WriteState(data, &m_path[i].tag);
WriteState(data, &m_path[i].reg);
}
WriteState(data, &m_q);
return 0;
}
int GSState::Defrost(const GSFreezeData* fd)
{
if (!fd || !fd->data || fd->size == 0)
{
return -1;
}
if (fd->size < m_sssize)
{
return -1;
}
uint8* data = fd->data;
int version;
ReadState(&version, data);
if (version > m_version)
{
printf("GSdx: Savestate version is incompatible. Load aborted.\n");
return -1;
}
Flush();
Reset();
ReadState(&m_env.PRIM, data);
ReadState(&m_env.PRMODE, data);
ReadState(&m_env.PRMODECONT, data);
ReadState(&m_env.TEXCLUT, data);
ReadState(&m_env.SCANMSK, data);
ReadState(&m_env.TEXA, data);
ReadState(&m_env.FOGCOL, data);
ReadState(&m_env.DIMX, data);
ReadState(&m_env.DTHE, data);
ReadState(&m_env.COLCLAMP, data);
ReadState(&m_env.PABE, data);
ReadState(&m_env.BITBLTBUF, data);
ReadState(&m_env.TRXDIR, data);
ReadState(&m_env.TRXPOS, data);
ReadState(&m_env.TRXREG, data);
ReadState(&m_env.TRXREG, data); // obsolete
// Technically this value ought to be saved like m_tr.x/y (break
// compatibility) but so far only a single game (Motocross Mania) really
// depends on this value (i.e != BITBLTBUF) Savestates are likely done at
// VSYNC, so not in the middle of a texture transfer, therefore register
// will be set again properly
m_tr.m_blit = m_env.BITBLTBUF;
for (int i = 0; i < 2; i++)
{
ReadState(&m_env.CTXT[i].XYOFFSET, data);
ReadState(&m_env.CTXT[i].TEX0, data);
ReadState(&m_env.CTXT[i].TEX1, data);
ReadState(&m_env.CTXT[i].TEX2, data);
ReadState(&m_env.CTXT[i].CLAMP, data);
ReadState(&m_env.CTXT[i].MIPTBP1, data);
ReadState(&m_env.CTXT[i].MIPTBP2, data);
ReadState(&m_env.CTXT[i].SCISSOR, data);
ReadState(&m_env.CTXT[i].ALPHA, data);
ReadState(&m_env.CTXT[i].TEST, data);
ReadState(&m_env.CTXT[i].FBA, data);
ReadState(&m_env.CTXT[i].FRAME, data);
ReadState(&m_env.CTXT[i].ZBUF, data);
m_env.CTXT[i].XYOFFSET.OFX &= 0xffff;
m_env.CTXT[i].XYOFFSET.OFY &= 0xffff;
if (version <= 4)
{
data += sizeof(uint32) * 7; // skip
}
}
ReadState(&m_v.RGBAQ, data);
ReadState(&m_v.ST, data);
ReadState(&m_v.UV, data);
ReadState(&m_v.FOG, data);
ReadState(&m_v.XYZ, data);
data += sizeof(GIFReg); // obsolite
ReadState(&m_tr.x, data);
ReadState(&m_tr.y, data);
ReadState(m_mem.m_vm8, data, m_mem.m_vmsize);
m_tr.total = 0; // TODO: restore transfer state
for (size_t i = 0; i < countof(m_path); i++)
{
ReadState(&m_path[i].tag, data);
ReadState(&m_path[i].reg, data);
m_path[i].SetTag(&m_path[i].tag); // expand regs
}
ReadState(&m_q, data);
PRIM = &m_env.PRIM;
UpdateContext();
UpdateVertexKick();
m_env.UpdateDIMX();
for (size_t i = 0; i < 2; i++)
{
m_env.CTXT[i].UpdateScissor();
m_env.CTXT[i].offset.fb = m_mem.GetOffset(m_env.CTXT[i].FRAME.Block(), m_env.CTXT[i].FRAME.FBW, m_env.CTXT[i].FRAME.PSM);
m_env.CTXT[i].offset.zb = m_mem.GetOffset(m_env.CTXT[i].ZBUF.Block(), m_env.CTXT[i].FRAME.FBW, m_env.CTXT[i].ZBUF.PSM);
m_env.CTXT[i].offset.tex = m_mem.GetOffset(m_env.CTXT[i].TEX0.TBP0, m_env.CTXT[i].TEX0.TBW, m_env.CTXT[i].TEX0.PSM);
m_env.CTXT[i].offset.fzb = m_mem.GetPixelOffset(m_env.CTXT[i].FRAME, m_env.CTXT[i].ZBUF);
m_env.CTXT[i].offset.fzb4 = m_mem.GetPixelOffset4(m_env.CTXT[i].FRAME, m_env.CTXT[i].ZBUF);
}
UpdateScissor();
m_perfmon.SetFrame(5000);
return 0;
}
void GSState::SetGameCRC(uint32 crc, int options)
{
m_crc = crc;
m_options = options;
m_game = CRC::Lookup(m_crc_hack_level != CRCHackLevel::None ? crc : 0);
SetupCrcHack();
// Until we find a solution that work for all games.
// (if a solution does exist)
if (m_game.title == CRC::HarleyDavidson)
{
m_clut_load_before_draw = true;
}
}
//
void GSState::UpdateContext()
{
bool ctx_switch = (m_context != &m_env.CTXT[PRIM->CTXT]);
if (ctx_switch)
{
GL_REG("Context Switch %d", PRIM->CTXT);
}
m_context = &m_env.CTXT[PRIM->CTXT];
UpdateScissor();
}
void GSState::UpdateScissor()
{
m_scissor = m_context->scissor.ex;
m_ofxy = m_context->scissor.ofxy;
}
void GSState::UpdateVertexKick()
{
if (m_frameskip)
return;
uint32 prim = PRIM->PRIM;
m_fpGIFPackedRegHandlers[GIF_REG_XYZF2] = m_fpGIFPackedRegHandlerXYZ[prim][0];
m_fpGIFPackedRegHandlers[GIF_REG_XYZF3] = m_fpGIFPackedRegHandlerXYZ[prim][1];
m_fpGIFPackedRegHandlers[GIF_REG_XYZ2] = m_fpGIFPackedRegHandlerXYZ[prim][2];
m_fpGIFPackedRegHandlers[GIF_REG_XYZ3] = m_fpGIFPackedRegHandlerXYZ[prim][3];
m_fpGIFRegHandlers[GIF_A_D_REG_XYZF2] = m_fpGIFRegHandlerXYZ[prim][0];
m_fpGIFRegHandlers[GIF_A_D_REG_XYZF3] = m_fpGIFRegHandlerXYZ[prim][1];
m_fpGIFRegHandlers[GIF_A_D_REG_XYZ2] = m_fpGIFRegHandlerXYZ[prim][2];
m_fpGIFRegHandlers[GIF_A_D_REG_XYZ3] = m_fpGIFRegHandlerXYZ[prim][3];
m_fpGIFPackedRegHandlersC[GIF_REG_STQRGBAXYZF2] = m_fpGIFPackedRegHandlerSTQRGBAXYZF2[prim];
m_fpGIFPackedRegHandlersC[GIF_REG_STQRGBAXYZ2] = m_fpGIFPackedRegHandlerSTQRGBAXYZ2[prim];
}
void GSState::GrowVertexBuffer()
{
int maxcount = std::max<int>(m_vertex.maxcount * 3 / 2, 10000);
GSVertex* vertex = (GSVertex*)_aligned_malloc(sizeof(GSVertex) * maxcount, 32);
uint32* index = (uint32*)_aligned_malloc(sizeof(uint32) * maxcount * 3, 32); // worst case is slightly less than vertex number * 3
if (vertex == NULL || index == NULL)
{
printf("GSdx: failed to allocate %d bytes for verticles and %d for indices.\n", (int)sizeof(GSVertex) * maxcount, (int)sizeof(uint32) * maxcount * 3);
throw GSDXError();
}
if (m_vertex.buff != NULL)
{
memcpy(vertex, m_vertex.buff, sizeof(GSVertex) * m_vertex.tail);
_aligned_free(m_vertex.buff);
}
if (m_index.buff != NULL)
{
memcpy(index, m_index.buff, sizeof(uint32) * m_index.tail);
_aligned_free(m_index.buff);
}
m_vertex.buff = vertex;
m_vertex.maxcount = maxcount - 3; // -3 to have some space at the end of the buffer before DrawingKick can grow it
m_index.buff = index;
}
template <uint32 prim, bool auto_flush>
__forceinline void GSState::VertexKick(uint32 skip)
{
ASSERT(m_vertex.tail < m_vertex.maxcount + 3);
size_t head = m_vertex.head;
size_t tail = m_vertex.tail;
size_t next = m_vertex.next;
size_t xy_tail = m_vertex.xy_tail;
// callers should write XYZUVF to m_v.m[1] in one piece to have this load store-forwarded, either by the cpu or the compiler when this function is inlined
GSVector4i v0(m_v.m[0]);
GSVector4i v1(m_v.m[1]);
GSVector4i* RESTRICT tailptr = (GSVector4i*)&m_vertex.buff[tail];
tailptr[0] = v0;
tailptr[1] = v1;
GSVector4i xy = v1.xxxx().u16to32().sub32(m_ofxy);
GSVector4i::storel(&m_vertex.xy[xy_tail & 3], xy.blend16<0xf0>(xy.sra32(4)).ps32());
m_vertex.tail = ++tail;
m_vertex.xy_tail = ++xy_tail;
size_t n = 0;
switch (prim)
{
case GS_POINTLIST:
n = 1;
break;
case GS_LINELIST:
n = 2;
break;
case GS_LINESTRIP:
n = 2;
break;
case GS_TRIANGLELIST:
n = 3;
break;
case GS_TRIANGLESTRIP:
n = 3;
break;
case GS_TRIANGLEFAN:
n = 3;
break;
case GS_SPRITE:
n = 2;
break;
case GS_INVALID:
n = 1;
break;
}
size_t m = tail - head;
if (m < n)
{
return;
}
if (skip == 0 && (prim != GS_TRIANGLEFAN || m <= 4)) // m_vertex.xy only knows about the last 4 vertices, head could be far behind for fan
{
GSVector4i v0, v1, v2, v3, pmin, pmax;
v0 = GSVector4i::loadl(&m_vertex.xy[(xy_tail + 1) & 3]); // T-3
v1 = GSVector4i::loadl(&m_vertex.xy[(xy_tail + 2) & 3]); // T-2
v2 = GSVector4i::loadl(&m_vertex.xy[(xy_tail + 3) & 3]); // T-1
v3 = GSVector4i::loadl(&m_vertex.xy[(xy_tail - m) & 3]); // H
//GSVector4 cross;
switch (prim)
{
case GS_POINTLIST:
pmin = v2;
pmax = v2;
break;
case GS_LINELIST:
case GS_LINESTRIP:
case GS_SPRITE:
pmin = v2.min_i16(v1);
pmax = v2.max_i16(v1);
break;
case GS_TRIANGLELIST:
case GS_TRIANGLESTRIP:
pmin = v2.min_i16(v1.min_i16(v0));
pmax = v2.max_i16(v1.max_i16(v0));
break;
case GS_TRIANGLEFAN:
pmin = v2.min_i16(v1.min_i16(v3));
pmax = v2.max_i16(v1.max_i16(v3));
break;
default:
break;
}
GSVector4i test = pmax.lt16(m_scissor) | pmin.gt16(m_scissor.zwzwl());
switch (prim)
{
case GS_TRIANGLELIST:
case GS_TRIANGLESTRIP:
case GS_TRIANGLEFAN:
case GS_SPRITE:
// FIXME: GREG I don't understand the purpose of the m_nativeres check
// It impacts badly the number of draw call in the HW renderer.
test |= m_nativeres ? pmin.eq16(pmax).zwzwl() : pmin.eq16(pmax);
break;
default:
break;
}
switch (prim)
{
case GS_TRIANGLELIST:
case GS_TRIANGLESTRIP:
// TODO: any way to do a 16-bit integer cross product?
// cross product is zero most of the time because either of the vertices are the same
//cross = GSVector4(v2.xyxyl().i16to32().sub32(v0.upl32(v1).i16to32())); // x20, y20, x21, y21
//cross = cross * cross.wzwz(); // x20 * y21, y20 * x21
//test |= GSVector4i::cast(cross == cross.yxwz());
test = (test | v0 == v1) | (v1 == v2 | v0 == v2);
break;
case GS_TRIANGLEFAN:
//cross = GSVector4(v2.xyxyl().i16to32().sub32(v3.upl32(v1).i16to32())); // x23, y23, x21, y21
//cross = cross * cross.wzwz(); // x23 * y21, y23 * x21
//test |= GSVector4i::cast(cross == cross.yxwz());
test = (test | v3 == v1) | (v1 == v2 | v3 == v2);
break;
default:
break;
}
skip |= test.mask() & 15;
}
if (skip != 0)
{
switch (prim)
{
case GS_POINTLIST:
case GS_LINELIST:
case GS_TRIANGLELIST:
case GS_SPRITE:
case GS_INVALID:
m_vertex.tail = head; // no need to check or grow the buffer length
break;
case GS_LINESTRIP:
case GS_TRIANGLESTRIP:
m_vertex.head = head + 1;
[[fallthrough]];
case GS_TRIANGLEFAN:
if (tail >= m_vertex.maxcount)
GrowVertexBuffer(); // in case too many vertices were skipped
break;
default:
__assume(0);
}
return;
}
if (tail >= m_vertex.maxcount)
GrowVertexBuffer();
uint32* RESTRICT buff = &m_index.buff[m_index.tail];
switch (prim)
{
case GS_POINTLIST:
buff[0] = head + 0;
m_vertex.head = head + 1;
m_vertex.next = head + 1;
m_index.tail += 1;
break;
case GS_LINELIST:
buff[0] = head + 0;
buff[1] = head + 1;
m_vertex.head = head + 2;
m_vertex.next = head + 2;
m_index.tail += 2;
break;
case GS_LINESTRIP:
if (next < head)
{
m_vertex.buff[next + 0] = m_vertex.buff[head + 0];
m_vertex.buff[next + 1] = m_vertex.buff[head + 1];
head = next;
m_vertex.tail = next + 2;
}
buff[0] = head + 0;
buff[1] = head + 1;
m_vertex.head = head + 1;
m_vertex.next = head + 2;
m_index.tail += 2;
break;
case GS_TRIANGLELIST:
buff[0] = head + 0;
buff[1] = head + 1;
buff[2] = head + 2;
m_vertex.head = head + 3;
m_vertex.next = head + 3;
m_index.tail += 3;
break;
case GS_TRIANGLESTRIP:
if (next < head)
{
m_vertex.buff[next + 0] = m_vertex.buff[head + 0];
m_vertex.buff[next + 1] = m_vertex.buff[head + 1];
m_vertex.buff[next + 2] = m_vertex.buff[head + 2];
head = next;
m_vertex.tail = next + 3;
}
buff[0] = head + 0;
buff[1] = head + 1;
buff[2] = head + 2;
m_vertex.head = head + 1;
m_vertex.next = head + 3;
m_index.tail += 3;
break;
case GS_TRIANGLEFAN:
// TODO: remove gaps, next == head && head < tail - 3 || next > head && next < tail - 2 (very rare)
buff[0] = head + 0;
buff[1] = tail - 2;
buff[2] = tail - 1;
m_vertex.next = tail;
m_index.tail += 3;
break;
case GS_SPRITE:
buff[0] = head + 0;
buff[1] = head + 1;
m_vertex.head = head + 2;
m_vertex.next = head + 2;
m_index.tail += 2;
break;
case GS_INVALID:
m_vertex.tail = head;
break;
default:
__assume(0);
}
if (auto_flush && PRIM->TME && (m_context->FRAME.Block() == m_context->TEX0.TBP0))
FlushPrim();
}
void GSState::GetTextureMinMax(GSVector4i& r, const GIFRegTEX0& TEX0, const GIFRegCLAMP& CLAMP, bool linear)
{
// TODO: some of the +1s can be removed if linear == false
int tw = TEX0.TW;
int th = TEX0.TH;
int w = 1 << tw;
int h = 1 << th;
GSVector4i tr(0, 0, w, h);
int wms = CLAMP.WMS;
int wmt = CLAMP.WMT;
int minu = (int)CLAMP.MINU;
int minv = (int)CLAMP.MINV;
int maxu = (int)CLAMP.MAXU;
int maxv = (int)CLAMP.MAXV;
GSVector4i vr = tr;
switch (wms)
{
case CLAMP_REPEAT:
break;
case CLAMP_CLAMP:
break;
case CLAMP_REGION_CLAMP:
if (vr.x < minu)
vr.x = minu;
if (vr.z > maxu + 1)
vr.z = maxu + 1;
break;
case CLAMP_REGION_REPEAT:
vr.x = maxu;
vr.z = vr.x + (minu + 1);
break;
default:
__assume(0);
}
switch (wmt)
{
case CLAMP_REPEAT:
break;
case CLAMP_CLAMP:
break;
case CLAMP_REGION_CLAMP:
if (vr.y < minv)
vr.y = minv;
if (vr.w > maxv + 1)
vr.w = maxv + 1;
break;
case CLAMP_REGION_REPEAT:
vr.y = maxv;
vr.w = vr.y + (minv + 1);
break;
default:
__assume(0);
}
if (wms != CLAMP_REGION_REPEAT || wmt != CLAMP_REGION_REPEAT)
{
GSVector4 st = m_vt.m_min.t.xyxy(m_vt.m_max.t);
if (linear)
{
st += GSVector4(-0.5f, 0.5f).xxyy();
}
GSVector4i uv = GSVector4i(st.floor());
GSVector4i u, v;
int mask = 0;
// See commented code below for the meaning of mask
if (wms == CLAMP_REPEAT || wmt == CLAMP_REPEAT)
{
u = uv & GSVector4i::xffffffff().srl32(32 - tw);
v = uv & GSVector4i::xffffffff().srl32(32 - th);
GSVector4i uu = uv.sra32(tw);
GSVector4i vv = uv.sra32(th);
mask = (uu.upl32(vv) == uu.uph32(vv)).mask();
}
uv = uv.rintersect(tr);
switch (wms)
{
case CLAMP_REPEAT:
// This commented code cannot be used directly because it needs uv before the intersection
//if (uv_.x >> tw == uv_.z >> tw)
//{
// vr.x = std::max(vr.x, (uv_.x & ((1 << tw) - 1)));
// vr.z = std::min(vr.z, (uv_.z & ((1 << tw) - 1)) + 1);
//}
if (mask & 0x000f)
{
if (vr.x < u.x)
vr.x = u.x;
if (vr.z > u.z + 1)
vr.z = u.z + 1;
}
break;
case CLAMP_CLAMP:
case CLAMP_REGION_CLAMP:
if (vr.x > uv.z)
vr.z = vr.x + 1;
else if (vr.z < uv.x)
vr.x = vr.z - 1;
else
{
if (vr.x < uv.x)
vr.x = uv.x;
if (vr.z > uv.z + 1)
vr.z = uv.z + 1;
}
break;
case CLAMP_REGION_REPEAT:
break;
default:
__assume(0);
}
switch (wmt)
{
case CLAMP_REPEAT:
//if (uv_.y >> th == uv_.w >> th)
//{
// vr.y = max(vr.y, (uv_.y & ((1 << th) - 1)));
// vr.w = min(vr.w, (uv_.w & ((1 << th) - 1)) + 1);
//}
if (mask & 0xf000)
{
if (vr.y < v.y)
vr.y = v.y;
if (vr.w > v.w + 1)
vr.w = v.w + 1;
}
break;
case CLAMP_CLAMP:
case CLAMP_REGION_CLAMP:
if (vr.y > uv.w)
vr.w = vr.y + 1;
else if (vr.w < uv.y)
vr.y = vr.w - 1;
else
{
if (vr.y < uv.y)
vr.y = uv.y;
if (vr.w > uv.w + 1)
vr.w = uv.w + 1;
}
break;
case CLAMP_REGION_REPEAT:
break;
default:
__assume(0);
}
}
vr = vr.rintersect(tr);
// This really shouldn't happen now except with the clamping region set entirely outside the texture,
// special handling should be written for that case.
if (vr.rempty())
{
// NOTE: this can happen when texcoords are all outside the texture or clamping area is zero, but we can't
// let the texture cache update nothing, the sampler will still need a single texel from the border somewhere
// examples:
// - THPS (no visible problems)
// - NFSMW (strange rectangles on screen, might be unrelated)
// - Lupin 3rd (huge problems, textures sizes seem to be randomly specified)
vr = (vr + GSVector4i(-1, +1).xxyy()).rintersect(tr);
}
r = vr;
}
void GSState::GetAlphaMinMax()
{
if (m_vt.m_alpha.valid)
{
return;
}
const GSDrawingEnvironment& env = m_env;
const GSDrawingContext* context = m_context;
GSVector4i a = m_vt.m_min.c.uph32(m_vt.m_max.c).zzww();
if (PRIM->TME && context->TEX0.TCC)
{
switch (GSLocalMemory::m_psm[context->TEX0.PSM].fmt)
{
case 0:
a.y = 0;
a.w = 0xff;
break;
case 1:
a.y = env.TEXA.AEM ? 0 : env.TEXA.TA0;
a.w = env.TEXA.TA0;
break;
case 2:
a.y = env.TEXA.AEM ? 0 : std::min(env.TEXA.TA0, env.TEXA.TA1);
a.w = std::max(env.TEXA.TA0, env.TEXA.TA1);
break;
case 3:
m_mem.m_clut.GetAlphaMinMax32(a.y, a.w);
break;
default:
__assume(0);
}
switch (context->TEX0.TFX)
{
case TFX_MODULATE:
a.x = (a.x * a.y) >> 7;
a.z = (a.z * a.w) >> 7;
if (a.x > 0xff)
a.x = 0xff;
if (a.z > 0xff)
a.z = 0xff;
break;
case TFX_DECAL:
a.x = a.y;
a.z = a.w;
break;
case TFX_HIGHLIGHT:
a.x = a.x + a.y;
a.z = a.z + a.w;
if (a.x > 0xff)
a.x = 0xff;
if (a.z > 0xff)
a.z = 0xff;
break;
case TFX_HIGHLIGHT2:
a.x = a.y;
a.z = a.w;
break;
default:
__assume(0);
}
}
m_vt.m_alpha.min = a.x;
m_vt.m_alpha.max = a.z;
m_vt.m_alpha.valid = true;
}
bool GSState::TryAlphaTest(uint32& fm, uint32& zm)
{
// Shortcut for the easy case
if (m_context->TEST.ATST == ATST_ALWAYS)
return true;
// Alpha test can only control the write of some channels. If channels are already masked
// the alpha test is therefore a nop.
switch (m_context->TEST.AFAIL)
{
case AFAIL_KEEP:
break;
case AFAIL_FB_ONLY:
if (zm == 0xFFFFFFFF)
return true;
break;
case AFAIL_ZB_ONLY:
if (fm == 0xFFFFFFFF)
return true;
break;
case AFAIL_RGB_ONLY:
if (zm == 0xFFFFFFFF && ((fm & 0xFF000000) == 0xFF000000 || GSLocalMemory::m_psm[m_context->FRAME.PSM].fmt == 1))
return true;
}
bool pass = true;
if (m_context->TEST.ATST == ATST_NEVER)
{
pass = false; // Shortcut to avoid GetAlphaMinMax below
}
else
{
GetAlphaMinMax();
int amin = m_vt.m_alpha.min;
int amax = m_vt.m_alpha.max;
int aref = m_context->TEST.AREF;
switch (m_context->TEST.ATST)
{
case ATST_NEVER:
pass = false;
break;
case ATST_ALWAYS:
pass = true;
break;
case ATST_LESS:
if (amax < aref)
pass = true;
else if (amin >= aref)
pass = false;
else
return false;
break;
case ATST_LEQUAL:
if (amax <= aref)
pass = true;
else if (amin > aref)
pass = false;
else
return false;
break;
case ATST_EQUAL:
if (amin == aref && amax == aref)
pass = true;
else if (amin > aref || amax < aref)
pass = false;
else
return false;
break;
case ATST_GEQUAL:
if (amin >= aref)
pass = true;
else if (amax < aref)
pass = false;
else
return false;
break;
case ATST_GREATER:
if (amin > aref)
pass = true;
else if (amax <= aref)
pass = false;
else
return false;
break;
case ATST_NOTEQUAL:
if (amin == aref && amax == aref)
pass = false;
else if (amin > aref || amax < aref)
pass = true;
else
return false;
break;
default:
__assume(0);
}
}
if (!pass)
{
switch (m_context->TEST.AFAIL)
{
case AFAIL_KEEP:
fm = zm = 0xffffffff;
break;
case AFAIL_FB_ONLY:
zm = 0xffffffff;
break;
case AFAIL_ZB_ONLY:
fm = 0xffffffff;
break;
case AFAIL_RGB_ONLY:
fm |= 0xff000000;
zm = 0xffffffff;
break;
default:
__assume(0);
}
}
return true;
}
bool GSState::IsOpaque()
{
if (PRIM->AA1)
{
return false;
}
if (!PRIM->ABE)
{
return true;
}
const GSDrawingContext* context = m_context;
int amin = 0, amax = 0xff;
if (context->ALPHA.A != context->ALPHA.B)
{
if (context->ALPHA.C == 0)
{
GetAlphaMinMax();
amin = m_vt.m_alpha.min;
amax = m_vt.m_alpha.max;
}
else if (context->ALPHA.C == 1)
{
if (context->FRAME.PSM == PSM_PSMCT24 || context->FRAME.PSM == PSM_PSMZ24)
{
amin = amax = 0x80;
}
}
else if (context->ALPHA.C == 2)
{
amin = amax = context->ALPHA.FIX;
}
}
return context->ALPHA.IsOpaque(amin, amax);
}
bool GSState::IsMipMapDraw()
{
return m_context->TEX1.MXL > 0 && m_context->TEX1.MMIN >= 2 && m_context->TEX1.MMIN <= 5 && m_vt.m_lod.y > 0;
}
bool GSState::IsMipMapActive()
{
return m_mipmap && IsMipMapDraw();
}
GIFRegTEX0 GSState::GetTex0Layer(uint32 lod)
{
// Shortcut
if (lod == 0)
{
return m_context->TEX0;
}
GIFRegTEX0 TEX0 = m_context->TEX0;
switch (lod)
{
case 1:
TEX0.TBP0 = m_context->MIPTBP1.TBP1;
TEX0.TBW = m_context->MIPTBP1.TBW1;
break;
case 2:
TEX0.TBP0 = m_context->MIPTBP1.TBP2;
TEX0.TBW = m_context->MIPTBP1.TBW2;
break;
case 3:
TEX0.TBP0 = m_context->MIPTBP1.TBP3;
TEX0.TBW = m_context->MIPTBP1.TBW3;
break;
case 4:
TEX0.TBP0 = m_context->MIPTBP2.TBP4;
TEX0.TBW = m_context->MIPTBP2.TBW4;
break;
case 5:
TEX0.TBP0 = m_context->MIPTBP2.TBP5;
TEX0.TBW = m_context->MIPTBP2.TBW5;
break;
case 6:
TEX0.TBP0 = m_context->MIPTBP2.TBP6;
TEX0.TBW = m_context->MIPTBP2.TBW6;
break;
default:
fprintf(stderr, "GetTex0Layer bad parameter. Fix your code!\n");
lod = 6;
TEX0.TBP0 = m_context->MIPTBP2.TBP6;
TEX0.TBW = m_context->MIPTBP2.TBW6;
}
// Correct the texture size
if (TEX0.TH <= lod)
{
TEX0.TH = 1;
}
else
{
TEX0.TH -= lod;
}
if (TEX0.TW <= lod)
{
TEX0.TW = 1;
}
else
{
TEX0.TW -= lod;
}
return TEX0;
}
// GSTransferBuffer
GSState::GSTransferBuffer::GSTransferBuffer()
{
x = y = 0;
overflow = false;
start = end = total = 0;
buff = (uint8*)_aligned_malloc(1024 * 1024 * 4, 32);
}
GSState::GSTransferBuffer::~GSTransferBuffer()
{
_aligned_free(buff);
}
void GSState::GSTransferBuffer::Init(int tx, int ty, const GIFRegBITBLTBUF& blit)
{
x = tx;
y = ty;
total = 0;
m_blit = blit;
}
bool GSState::GSTransferBuffer::Update(int tw, int th, int bpp, int& len)
{
if (total == 0)
{
start = end = 0;
total = std::min<int>((tw * bpp >> 3) * th, 1024 * 1024 * 4);
overflow = false;
}
int remaining = total - end;
if (len > remaining)
{
if (!overflow)
{
overflow = true;
// printf("GS transfer overflow\n");
}
len = remaining;
}
return len > 0;
}
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