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pcsx2/plugins/GSdx/GSState.cpp
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Gregory Hainaut 90707f8d4e gsdx: avoid aliasing issue 
Extend GSVector to support float move

Initial code likely used integer move for performance reason. However due to
the nan correction, register is now in float domain.
2016-08-14 20:48:34 +02:00

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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"
extern int g_crc_hack_level;
//#define Offset_ST // Fixes Persona3 mini map alignment which is off even in software rendering
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_q(1.0f)
, m_texflush(true)
, m_vt(this)
, m_regs(NULL)
, m_crc(0)
, m_options(0)
, m_frameskip(0)
{
m_nativeres = theApp.GetConfigI("upscale_multiplier") == 1;
m_mipmap = theApp.GetConfigB("mipmap");
m_NTSC_Saturation = theApp.GetConfigB("NTSC_Saturation");
m_userhacks_skipdraw = theApp.GetConfigB("UserHacks") ? theApp.GetConfigI("UserHacks_SkipDraw") : 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("/tmp/GS_HW_dump");
GSmkdir("/tmp/GS_SW_dump");
}
#endif
//s_dump = 1;
//s_save = 1;
//s_savez = 1;
//s_savet = 1;
//s_savef = 1;
//s_saven = 0;
//s_savel = 0;
UserHacks_WildHack = theApp.GetConfigB("UserHacks") ? theApp.GetConfigI("UserHacks_WildHack") : 0;
m_crc_hack_level = theApp.GetConfigI("crc_hack_level");
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.PRMODECONT.AC ? (GIFRegPRIM*)&m_env.PRMODE : &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] = !UserHacks_WildHack ? &GSState::GIFPackedRegHandlerUV : &GSState::GIFPackedRegHandlerUV_Hack;
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) \
m_fpGIFPackedRegHandlerXYZ[P][0] = &GSState::GIFPackedRegHandlerXYZF2<P, 0>; \
m_fpGIFPackedRegHandlerXYZ[P][1] = &GSState::GIFPackedRegHandlerXYZF2<P, 1>; \
m_fpGIFPackedRegHandlerXYZ[P][2] = &GSState::GIFPackedRegHandlerXYZ2<P, 0>; \
m_fpGIFPackedRegHandlerXYZ[P][3] = &GSState::GIFPackedRegHandlerXYZ2<P, 1>; \
m_fpGIFRegHandlerXYZ[P][0] = &GSState::GIFRegHandlerXYZF2<P, 0>; \
m_fpGIFRegHandlerXYZ[P][1] = &GSState::GIFRegHandlerXYZF2<P, 1>; \
m_fpGIFRegHandlerXYZ[P][2] = &GSState::GIFRegHandlerXYZ2<P, 0>; \
m_fpGIFRegHandlerXYZ[P][3] = &GSState::GIFRegHandlerXYZ2<P, 1>; \
m_fpGIFPackedRegHandlerSTQRGBAXYZF2[P] = &GSState::GIFPackedRegHandlerSTQRGBAXYZF2<P>; \
m_fpGIFPackedRegHandlerSTQRGBAXYZ2[P] = &GSState::GIFPackedRegHandlerSTQRGBAXYZ2<P>; \
SetHandlerXYZ(GS_POINTLIST);
SetHandlerXYZ(GS_LINELIST);
SetHandlerXYZ(GS_LINESTRIP);
SetHandlerXYZ(GS_TRIANGLELIST);
SetHandlerXYZ(GS_TRIANGLESTRIP);
SetHandlerXYZ(GS_TRIANGLEFAN);
SetHandlerXYZ(GS_SPRITE);
SetHandlerXYZ(GS_INVALID);
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_ST] = &GSState::GIFRegHandlerST;
m_fpGIFRegHandlers[GIF_A_D_REG_UV] = !UserHacks_WildHack ? &GSState::GIFRegHandlerUV : &GSState::GIFRegHandlerUV_Hack;
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.
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::DTV_1080I;
else if (!isinterlaced() && PLL_Divider == 22)
videomode = GSVideoMode::DTV_720P;
else if (!isinterlaced() && PLL_Divider == 32)
videomode = GSVideoMode::DTV_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;
}
GSVector4i GSState::GetDisplayRect(int i)
{
if(i < 0) i = IsEnabled(1) ? 1 : 0;
GSVideoMode videomode = GetVideoMode();
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;
//Some games (such as Pool Paradise) use alternate line reading and provide a massive height which is really half.
if (height > 640 && videomode < GSVideoMode::VESA)
{
height /= 2;
}
// 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;
// Useful for debugging games:
//printf("DW: %d , DH: %d , left: %d , right: %d , top: %d , down: %d , MAGH: %d , MAGV: %d\n", m_regs->DISP[i].DISPLAY.DW, m_regs->DISP[i].DISPLAY.DH, r.left, r.right, r.top, r.bottom , m_regs->DISP[i].DISPLAY.MAGH,m_regs->DISP[i].DISPLAY.MAGV);
return rectangle;
}
GSVector4i GSState::GetFrameRect(int i)
{
if (i < 0) i = IsEnabled(1) ? 1 : 0;
GSVector4i rectangle = GetDisplayRect(i);
GSVideoMode videomode = GetVideoMode();
int w = rectangle.width();
int h = rectangle.height();
// 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.
if (videomode == GSVideoMode::NTSC && h > 448 && w < 640 && m_NTSC_Saturation)
h = 448;
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;
/*static GSVector4i old_r = (GSVector4i) 0;
if ((old_r.left != r.left) || (old_r.right != r.right) || (old_r.top != r.top) || (old_r.right != r.right)){
printf("w %d h %d left %d top %d right %d bottom %d\n",w,h,r.left,r.top,r.right,r.bottom);
}
old_r = r;*/
return rectangle;
}
bool GSState::IsEnabled(int i)
{
ASSERT(i >= 0 && i < 2);
if(i == 0 && m_regs->PMODE.EN1)
{
return m_regs->DISP[0].DISPLAY.DW || m_regs->DISP[0].DISPLAY.DH;
}
else if(i == 1 && m_regs->PMODE.EN2)
{
return m_regs->DISP[1].DISPLAY.DW || m_regs->DISP[1].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::DTV_480P:
vertical_frequency = (60 / 1.001f); break;
case GSVideoMode::PAL:
vertical_frequency = 50; break;
case GSVideoMode::DTV_720P: case GSVideoMode::DTV_1080I:
vertical_frequency = 60; break;
default:
if (videomode == GSVideoMode::Unknown)
ASSERT(0);
}
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));
isPackedUV_HackFlag = true;
}
template<uint32 prim, uint32 adc>
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>(adc ? 1 : r->XYZF2.Skip());
}
template<uint32 prim, uint32 adc>
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>(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])(&r->r);
}
void GSState::GIFPackedRegHandlerNOP(const GIFPackedReg* RESTRICT r)
{
}
template<uint32 prim>
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>(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>
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>(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.PRIM.u32[0] ^ prim) & 0x7f8) // all fields except PRIM
{
Flush();
}
}
else
{
Flush();
}
m_env.PRIM.u32[0] = prim;
m_env.PRMODE._PRIM = prim;
UpdateContext();
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;
isPackedUV_HackFlag = false;
}
template<uint32 prim, uint32 adc>
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>(adc);
}
template<uint32 prim, uint32 adc>
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>(adc);
}
template<int i> void GSState::ApplyTEX0(GIFRegTEX0& TEX0)
{
// 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)
{
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;
if((TEX0.TBW & 1) && (TEX0.PSM == PSM_PSMT8 || TEX0.PSM == PSM_PSMT4))
{
ASSERT(TEX0.TBW == 1); // TODO // Bouken Jidai Katsugeki Goemon
TEX0.TBW &= ~1; // GS User 2.6
}
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)
{
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)
{
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)
{
// 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)
{
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)
{
if(r->PRMODECONT != m_env.PRMODECONT)
{
Flush();
}
m_env.PRMODECONT.AC = r->PRMODECONT.AC;
PRIM = m_env.PRMODECONT.AC ? &m_env.PRIM : (GIFRegPRIM*)&m_env.PRMODE;
// if(PRIM->PRIM == 7) printf("Invalid PRMODECONT/PRIM\n");
UpdateContext();
UpdateVertexKick();
}
void GSState::GIFRegHandlerPRMODE(const GIFReg* RESTRICT r)
{
if(!m_env.PRMODECONT.AC)
{
Flush();
}
uint32 _PRIM = m_env.PRMODE._PRIM;
m_env.PRMODE = (GSVector4i)r->PRMODE;
m_env.PRMODE._PRIM = _PRIM;
UpdateContext();
UpdateVertexKick();
}
void GSState::GIFRegHandlerTEXCLUT(const GIFReg* RESTRICT r)
{
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)
{
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)
{
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)
{
if(r->TEXA != m_env.TEXA)
{
Flush();
}
m_env.TEXA = (GSVector4i)r->TEXA;
}
void GSState::GIFRegHandlerFOGCOL(const GIFReg* RESTRICT r)
{
if(r->FOGCOL != m_env.FOGCOL)
{
Flush();
}
m_env.FOGCOL = (GSVector4i)r->FOGCOL;
}
void GSState::GIFRegHandlerTEXFLUSH(const GIFReg* RESTRICT r)
{
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)
{
ASSERT(r->ALPHA.A != 3);
ASSERT(r->ALPHA.B != 3);
ASSERT(r->ALPHA.C != 3);
ASSERT(r->ALPHA.D != 3);
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)
{
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;
#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)
{
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)
{
if(r->BITBLTBUF != m_env.BITBLTBUF)
{
FlushWrite();
}
m_env.BITBLTBUF = (GSVector4i)r->BITBLTBUF;
if((m_env.BITBLTBUF.SBW & 1) && (m_env.BITBLTBUF.SPSM == PSM_PSMT8 || m_env.BITBLTBUF.SPSM == PSM_PSMT4))
{
m_env.BITBLTBUF.SBW &= ~1;
}
if((m_env.BITBLTBUF.DBW & 1) && (m_env.BITBLTBUF.DPSM == PSM_PSMT8 || m_env.BITBLTBUF.DPSM == PSM_PSMT4))
{
m_env.BITBLTBUF.DBW &= ~1; // namcoXcapcom: 5, 11, refered to as 4, 10 in TEX0.TBW later
}
}
void GSState::GIFRegHandlerTRXPOS(const GIFReg* RESTRICT r)
{
if(r->TRXPOS != m_env.TRXPOS)
{
FlushWrite();
}
m_env.TRXPOS = (GSVector4i)r->TRXPOS;
}
void GSState::GIFRegHandlerTRXREG(const GIFReg* RESTRICT r)
{
if(r->TRXREG != m_env.TRXREG)
{
FlushWrite();
}
m_env.TRXREG = (GSVector4i)r->TRXREG;
}
void GSState::GIFRegHandlerTRXDIR(const GIFReg* RESTRICT r)
{
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);
break;
case 1: // local -> host
m_tr.Init(m_env.TRXPOS.SSAX, m_env.TRXPOS.SSAY);
break;
case 2: // local -> local
Move();
break;
case 3:
ASSERT(0);
break;
default:
__assume(0);
}
}
void GSState::GIFRegHandlerHWREG(const GIFReg* RESTRICT r)
{
ASSERT(m_env.TRXDIR.XDIR == 0); // host => local
Write((uint8*)r, 8); // haunting ground
}
void GSState::GIFRegHandlerSIGNAL(const GIFReg* RESTRICT r)
{
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)
{
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)
{
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;
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)
{
GSVertex buff[2];
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));
}
if(GSLocalMemory::m_psm[m_context->FRAME.PSM].fmt < 3 && GSLocalMemory::m_psm[m_context->ZBUF.PSM].fmt < 3)
{
// FIXME: berserk fpsm = 27 (8H)
m_vt.Update(m_vertex.buff, m_index.buff, m_index.tail, GSUtil::GetPrimClass(PRIM->PRIM));
try {
Draw();
} catch (GSDXRecoverableError&) {
// could be an unsupported draw call
} catch (GSDXErrorOOM&) {
// Texture Out Of Memory
PurgePool();
fprintf(stderr, "GSDX OUT OF MEMORY\n");
}
m_perfmon.Put(GSPerfMon::Draw, 1);
m_perfmon.Put(GSPerfMon::Prim, m_index.tail / GSUtil::GetVertexCount(PRIM->PRIM));
}
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;
const GSLocalMemory::psm_t& psm = GSLocalMemory::m_psm[m_env.BITBLTBUF.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 (m_env.BITBLTBUF.DBP == 0 && m_env.BITBLTBUF.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, m_env.BITBLTBUF.DBP, m_env.BITBLTBUF.DBW, m_env.BITBLTBUF.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)",
m_env.BITBLTBUF.DBP, m_env.BITBLTBUF.DBW, psm_str(m_env.BITBLTBUF.DPSM),
m_env.TRXPOS.DIRX, m_env.TRXPOS.DIRY,
m_env.TRXPOS.DSAX, m_env.TRXPOS.DSAY, w, h);
if(PRIM->TME && (m_env.BITBLTBUF.DBP == m_context->TEX0.TBP0 || m_env.BITBLTBUF.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(m_env.BITBLTBUF, r);
(m_mem.*psm.wi)(m_tr.x, m_tr.y, mem, m_tr.total, m_env.BITBLTBUF, 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;
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);
*/
}
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);
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) {
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--;
if(path.nloop > 0) // eeuser 7.2.2. GIFtag: "... when NLOOP is 0, the GIF does not output anything, and values other than the EOP field are disregarded."
{
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])(&((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()])((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)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
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.PRMODECONT.AC ? (GIFRegPRIM*)&m_env.PRMODE : &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 ? crc : 0);
SetupCrcHack();
}
//
void GSState::UpdateContext()
{
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>
__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);
#if _M_SSE >= 0x401
GSVector4i::storel(&m_vertex.xy[xy_tail & 3], xy.blend16<0xf0>(xy.sra32(4)).ps32());
#else
GSVector4i::storel(&m_vertex.xy[xy_tail & 3], xy.upl64(xy.sra32(4).zwzw()).ps32());
#endif
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:
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;
// fall through
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);
}
}
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 = max(vr.x, (uv_.x & ((1 << tw) - 1)));
vr.z = 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 : min(env.TEXA.TA0, env.TEXA.TA1);
a.w = 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)
{
const GSDrawingContext* context = m_context;
bool pass = true;
if(context->TEST.ATST == ATST_NEVER)
{
pass = false;
}
else if(context->TEST.ATST != ATST_ALWAYS)
{
GetAlphaMinMax();
int amin = m_vt.m_alpha.min;
int amax = m_vt.m_alpha.max;
int aref = context->TEST.AREF;
switch(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(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::IsMipMapActive()
{
return m_mipmap && m_context->TEX1.MXL > 0 && m_context->TEX1.MMIN >= 2 && m_context->TEX1.MMIN <= 5 && m_vt.m_lod.y > 0;
}
// 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)
{
x = tx;
y = ty;
total = 0;
}
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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