dolphin/Source/Core/VideoCommon/Src/XFStructs.cpp

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// Copyright (C) 2003 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h"
#include "VideoCommon.h"
#include "XFMemory.h"
#include "CPMemory.h"
#include "NativeVertexWriter.h"
#include "VertexShaderManager.h"
#include "PixelShaderManager.h"
// LoadXFReg 0x10
void LoadXFReg(u32 transferSize, u32 baseAddress, u32 *pData)
{
u32 address = baseAddress;
for (int i = 0; i < (int)transferSize; i++)
{
address = baseAddress + i;
// Setup a Matrix
if (address < XFMEM_ERROR)
{
VertexManager::Flush();
VertexShaderManager::InvalidateXFRange(address, address + transferSize);
//PRIM_LOG("xfmem write: 0x%x-0x%x\n", address, address+transferSize);
memcpy_gc((u32*)&xfmem[address], &pData[i], transferSize*4);
i += transferSize;
}
else if (address >= XFMEM_SETTEXMTXINFO && address <= XFMEM_SETTEXMTXINFO+7)
{
xfregs.texcoords[address - XFMEM_SETTEXMTXINFO].texmtxinfo.hex = pData[i];
}
else if (address >= XFMEM_SETPOSMTXINFO && address <= XFMEM_SETPOSMTXINFO+7)
{
xfregs.texcoords[address - XFMEM_SETPOSMTXINFO].postmtxinfo.hex = pData[i];
}
else if (address < 0x2000)
{
u32 data = pData[i];
switch (address)
{
case XFMEM_ERROR:
case XFMEM_DIAG:
case XFMEM_STATE0: // internal state 0
case XFMEM_STATE1: // internal state 1
case XFMEM_CLOCK:
case XFMEM_SETGPMETRIC:
break;
case XFMEM_CLIPDISABLE:
//if (data & 1) {} // disable clipping detection
//if (data & 2) {} // disable trivial rejection
//if (data & 4) {} // disable cpoly clipping acceleration
break;
case XFMEM_VTXSPECS: //__GXXfVtxSpecs, wrote 0004
xfregs.hostinfo = *(INVTXSPEC*)&data;
break;
case XFMEM_SETNUMCHAN:
if ((u32)xfregs.nNumChans != (data & 3))
{
VertexManager::Flush();
xfregs.nNumChans = data & 3;
}
break;
case XFMEM_SETCHAN0_AMBCOLOR: // Channel Ambient Color
case XFMEM_SETCHAN1_AMBCOLOR:
{
u8 chan = address - XFMEM_SETCHAN0_AMBCOLOR;
if (xfregs.colChans[chan].ambColor != data)
{
VertexManager::Flush();
xfregs.colChans[chan].ambColor = data;
VertexShaderManager::SetMaterialColor(chan, data);
}
break;
}
case XFMEM_SETCHAN0_MATCOLOR: // Channel Material Color
case XFMEM_SETCHAN1_MATCOLOR:
{
u8 chan = address - XFMEM_SETCHAN0_MATCOLOR;
if (xfregs.colChans[chan].matColor != data)
{
VertexManager::Flush();
xfregs.colChans[chan].matColor = data;
VertexShaderManager::SetMaterialColor(address - XFMEM_SETCHAN0_AMBCOLOR, data);
}
break;
}
case XFMEM_SETCHAN0_COLOR: // Channel Color
case XFMEM_SETCHAN1_COLOR:
{
u8 chan = address - XFMEM_SETCHAN0_COLOR;
if (xfregs.colChans[chan].color.hex != (data & 0x7fff))
{
VertexManager::Flush();
xfregs.colChans[chan].color.hex = data;
}
break;
}
case XFMEM_SETCHAN0_ALPHA: // Channel Alpha
case XFMEM_SETCHAN1_ALPHA:
{
u8 chan = address - XFMEM_SETCHAN0_ALPHA;
if (xfregs.colChans[chan].alpha.hex != (data & 0x7fff))
{
VertexManager::Flush();
xfregs.colChans[chan].alpha.hex = data;
}
break;
}
case XFMEM_DUALTEX:
if (xfregs.bEnableDualTexTransform != (data & 1))
{
VertexManager::Flush();
xfregs.bEnableDualTexTransform = data & 1;
}
break;
case XFMEM_SETMATRIXINDA:
//_assert_msg_(GX_XF, 0, "XF matrixindex0");
VertexShaderManager::SetTexMatrixChangedA(data); // ?
break;
case XFMEM_SETMATRIXINDB:
//_assert_msg_(GX_XF, 0, "XF matrixindex1");
VertexShaderManager::SetTexMatrixChangedB(data); // ?
break;
case XFMEM_SETVIEWPORT:
VertexManager::Flush();
VertexShaderManager::SetViewport((float*)&pData[i]);
PixelShaderManager::SetViewport((float*)&pData[i]);
i += 6;
break;
case XFMEM_SETPROJECTION:
VertexManager::Flush();
VertexShaderManager::SetProjection((float*)&pData[i]);
i += 7;
break;
case XFMEM_SETNUMTEXGENS: // GXSetNumTexGens
if ((u32)xfregs.numTexGens != data)
{
VertexManager::Flush();
xfregs.numTexGens = data;
}
break;
// GXSetZScaleOffset ?
// Actually everything i tried didn't seem to change anything x)
// paper mario writes 16777216.0f, 1677721.75
// Killer 7 writes 16777216.0f here
case XFMEM_SETZSCALE:
WARN_LOG(VIDEO, "Set ZScale : %x=%x\n", address, data);
break;
// paper mario writes 16777216.0f, 5033165.0f
// Killer 7 alterns this between 16777216.0f and 16710107.0f
case XFMEM_SETZOFFSET:
WARN_LOG(VIDEO, "Set ZOffset : %x=%x\n", address, data);
break;
// --------------
// Unknown Regs
// --------------
// Maybe these are for Normals?
case 0x1048: //xfregs.texcoords[0].nrmmtxinfo.hex = data; break; ??
case 0x1049:
case 0x104a:
case 0x104b:
case 0x104c:
case 0x104d:
case 0x104e:
case 0x104f:
DEBUG_LOG(VIDEO, "Possible Normal Mtx XF reg?: %x=%x\n", address, data);
break;
case 0x1013:
case 0x1014:
case 0x1015:
case 0x1016:
case 0x1017:
default:
WARN_LOG(VIDEO, "Unknown XF Reg: %x=%x\n", address, data);
break;
}
}
}
}
// TODO - verify that it is correct. Seems to work, though.
void LoadIndexedXF(u32 val, int array)
{
int index = val >> 16;
int address = val & 0xFFF; // check mask
int size = ((val >> 12) & 0xF) + 1;
//load stuff from array to address in xf mem
VertexManager::Flush();
VertexShaderManager::InvalidateXFRange(address, address+size);
//PRIM_LOG("xfmem iwrite: 0x%x-0x%x\n", address, address+size);
for (int i = 0; i < size; i++)
xfmem[address + i] = Memory_Read_U32(arraybases[array] + arraystrides[array] * index + i * 4);
}