dolphin/Source/Plugins/Plugin_VideoSoftware/Src/BPMemLoader.cpp

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// Copyright (C) 2003-2009 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 "VideoCommon.h"
#include "TextureDecoder.h"
#include "BPMemLoader.h"
#include "EfbCopy.h"
#include "Rasterizer.h"
#include "SWPixelEngine.h"
#include "Tev.h"
#include "HW/Memmap.h"
#include "Core.h"
void InitBPMemory()
{
memset(&bpmem, 0, sizeof(bpmem));
bpmem.bpMask = 0xFFFFFF;
}
void SWLoadBPReg(u32 value)
{
//handle the mask register
int address = value >> 24;
int oldval = ((u32*)&bpmem)[address];
int newval = (oldval & ~bpmem.bpMask) | (value & bpmem.bpMask);
((u32*)&bpmem)[address] = newval;
//reset the mask register
if (address != 0xFE)
bpmem.bpMask = 0xFFFFFF;
SWBPWritten(address, newval);
}
void SWBPWritten(int address, int newvalue)
{
switch (address)
{
case BPMEM_SCISSORTL:
case BPMEM_SCISSORBR:
case BPMEM_SCISSOROFFSET:
Rasterizer::SetScissor();
break;
case BPMEM_SETDRAWDONE: // This is called when the game is done drawing (eg: like in DX: Begin(); Draw(); End();)
switch (bpmem.drawdone & 0xFF)
{
case 0x02:
SWPixelEngine::SetFinish(); // may generate interrupt
DEBUG_LOG(VIDEO, "GXSetDrawDone SetPEFinish (value: 0x%02X)", (bpmem.drawdone & 0xFFFF));
break;
default:
WARN_LOG(VIDEO, "GXSetDrawDone ??? (value 0x%02X)", (bpmem.drawdone & 0xFFFF));
break;
}
break;
case BPMEM_PE_TOKEN_ID: // Pixel Engine Token ID
DEBUG_LOG(VIDEO, "SetPEToken 0x%04x", (bpmem.petoken & 0xFFFF));
SWPixelEngine::SetToken(static_cast<u16>(bpmem.petokenint & 0xFFFF), false);
break;
case BPMEM_PE_TOKEN_INT_ID: // Pixel Engine Interrupt Token ID
DEBUG_LOG(VIDEO, "SetPEToken + INT 0x%04x", (bpmem.petokenint & 0xFFFF));
SWPixelEngine::SetToken(static_cast<u16>(bpmem.petokenint & 0xFFFF), true);
break;
case BPMEM_TRIGGER_EFB_COPY:
EfbCopy::CopyEfb();
break;
case BPMEM_CLEARBBOX1:
SWPixelEngine::pereg.boxRight = newvalue >> 10;
SWPixelEngine::pereg.boxLeft = newvalue & 0x3ff;
break;
case BPMEM_CLEARBBOX2:
SWPixelEngine::pereg.boxBottom = newvalue >> 10;
SWPixelEngine::pereg.boxTop = newvalue & 0x3ff;
break;
case BPMEM_LOADTLUT0: // This one updates bpmem.tlutXferSrc, no need to do anything here.
break;
case BPMEM_LOADTLUT1: // Load a Texture Look Up Table
{
u32 tlutTMemAddr = (newvalue & 0x3FF) << 9;
u32 tlutXferCount = (newvalue & 0x1FFC00) >> 5;
u8 *ptr = 0;
// TODO - figure out a cleaner way.
if (Core::g_CoreStartupParameter.bWii)
ptr = Memory::GetPointer(bpmem.tlutXferSrc << 5);
else
ptr = Memory::GetPointer((bpmem.tlutXferSrc & 0xFFFFF) << 5);
if (ptr)
memcpy_gc(texMem + tlutTMemAddr, ptr, tlutXferCount);
else
PanicAlert("Invalid palette pointer %08x %08x %08x", bpmem.tlutXferSrc, bpmem.tlutXferSrc << 5, (bpmem.tlutXferSrc & 0xFFFFF)<< 5);
break;
}
case BPMEM_TEV_REGISTER_L: // Reg 1
case BPMEM_TEV_REGISTER_L+2: // Reg 2
case BPMEM_TEV_REGISTER_L+4: // Reg 3
case BPMEM_TEV_REGISTER_L+6: // Reg 4
{
int regNum = (address >> 1 ) & 0x3;
ColReg& reg = bpmem.tevregs[regNum].low;
bool konst = reg.type;
Rasterizer::SetTevReg(regNum, Tev::ALP_C, konst, reg.b); // A
Rasterizer::SetTevReg(regNum, Tev::RED_C, konst, reg.a); // R
break;
}
case BPMEM_TEV_REGISTER_H: // Reg 1
case BPMEM_TEV_REGISTER_H+2: // Reg 2
case BPMEM_TEV_REGISTER_H+4: // Reg 3
case BPMEM_TEV_REGISTER_H+6: // Reg 4
{
int regNum = (address >> 1 ) & 0x3;
ColReg& reg = bpmem.tevregs[regNum].high;
bool konst = reg.type;
Rasterizer::SetTevReg(regNum, Tev::GRN_C, konst, reg.b); // G
Rasterizer::SetTevReg(regNum, Tev::BLU_C, konst, reg.a); // B
break;
}
}
}