152 lines
4.6 KiB
C++
152 lines
4.6 KiB
C++
// Copyright (C) 2003-2009 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include "../../../Core/VideoCommon/Src/VideoCommon.h"
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#include "main.h"
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#include "BPMemLoader.h"
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#include "EfbCopy.h"
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#include "Rasterizer.h"
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#include "PixelEngine.h"
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#include "Tev.h"
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#include "../../../Core/VideoCommon/Src/TextureDecoder.h"
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#include "HW/Memmap.h"
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#include "Core.h"
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extern BPMemory bpmem;
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void InitBPMemory()
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{
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memset(&bpmem, 0, sizeof(bpmem));
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bpmem.bpMask = 0xFFFFFF;
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}
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void BPWritten(int address, int newvalue);
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void LoadBPReg(u32 value)
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{
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//handle the mask register
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int address = value >> 24;
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int oldval = ((u32*)&bpmem)[address];
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int newval = (oldval & ~bpmem.bpMask) | (value & bpmem.bpMask);
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((u32*)&bpmem)[address] = newval;
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//reset the mask register
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if (address != 0xFE)
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bpmem.bpMask = 0xFFFFFF;
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BPWritten(address, newval);
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}
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void BPWritten(int address, int newvalue)
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{
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switch (address)
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{
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case BPMEM_SCISSORTL:
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case BPMEM_SCISSORBR:
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case BPMEM_SCISSOROFFSET:
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Rasterizer::SetScissor();
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break;
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case BPMEM_SETDRAWDONE: // This is called when the game is done drawing (eg: like in DX: Begin(); Draw(); End();)
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switch (bpmem.drawdone & 0xFF)
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{
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case 0x02:
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PixelEngine::SetFinish(); // may generate interrupt
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DEBUG_LOG(VIDEO, "GXSetDrawDone SetPEFinish (value: 0x%02X)", (bpmem.drawdone & 0xFFFF));
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break;
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default:
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WARN_LOG(VIDEO, "GXSetDrawDone ??? (value 0x%02X)", (bpmem.drawdone & 0xFFFF));
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break;
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}
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break;
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case BPMEM_PE_TOKEN_ID: // Pixel Engine Token ID
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DEBUG_LOG(VIDEO, "SetPEToken 0x%04x", (bpmem.petoken & 0xFFFF));
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PixelEngine::SetToken(static_cast<u16>(bpmem.petokenint & 0xFFFF), false);
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break;
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case BPMEM_PE_TOKEN_INT_ID: // Pixel Engine Interrupt Token ID
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DEBUG_LOG(VIDEO, "SetPEToken + INT 0x%04x", (bpmem.petokenint & 0xFFFF));
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PixelEngine::SetToken(static_cast<u16>(bpmem.petokenint & 0xFFFF), TRUE);
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break;
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case BPMEM_TRIGGER_EFB_COPY:
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EfbCopy::CopyEfb();
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break;
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case BPMEM_CLEARBBOX1:
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PixelEngine::pereg.boxRight = newvalue >> 10;
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PixelEngine::pereg.boxLeft = newvalue & 0x3ff;
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break;
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case BPMEM_CLEARBBOX2:
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PixelEngine::pereg.boxBottom = newvalue >> 10;
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PixelEngine::pereg.boxTop = newvalue & 0x3ff;
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break;
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case BPMEM_LOADTLUT0: // This one updates bpmem.tlutXferSrc, no need to do anything here.
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break;
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case BPMEM_LOADTLUT1: // Load a Texture Look Up Table
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{
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u32 tlutTMemAddr = (newvalue & 0x3FF) << 9;
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u32 tlutXferCount = (newvalue & 0x1FFC00) >> 5;
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u8 *ptr = 0;
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// TODO - figure out a cleaner way.
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if (Core::g_CoreStartupParameter.bWii)
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ptr = Memory::GetPointer(bpmem.tlutXferSrc << 5);
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else
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ptr = Memory::GetPointer((bpmem.tlutXferSrc & 0xFFFFF) << 5);
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if (ptr)
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memcpy_gc(texMem + tlutTMemAddr, ptr, tlutXferCount);
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else
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PanicAlert("Invalid palette pointer %08x %08x %08x", bpmem.tlutXferSrc, bpmem.tlutXferSrc << 5, (bpmem.tlutXferSrc & 0xFFFFF)<< 5);
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break;
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}
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case BPMEM_TEV_REGISTER_L: // Reg 1
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case BPMEM_TEV_REGISTER_L+2: // Reg 2
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case BPMEM_TEV_REGISTER_L+4: // Reg 3
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case BPMEM_TEV_REGISTER_L+6: // Reg 4
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{
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int regNum = (address >> 1 ) & 0x3;
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ColReg& reg = bpmem.tevregs[regNum].low;
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bool konst = reg.type;
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Rasterizer::SetTevReg(regNum, Tev::ALP_C, konst, reg.b); // A
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Rasterizer::SetTevReg(regNum, Tev::RED_C, konst, reg.a); // R
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break;
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}
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case BPMEM_TEV_REGISTER_H: // Reg 1
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case BPMEM_TEV_REGISTER_H+2: // Reg 2
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case BPMEM_TEV_REGISTER_H+4: // Reg 3
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case BPMEM_TEV_REGISTER_H+6: // Reg 4
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{
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int regNum = (address >> 1 ) & 0x3;
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ColReg& reg = bpmem.tevregs[regNum].high;
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bool konst = reg.type;
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Rasterizer::SetTevReg(regNum, Tev::GRN_C, konst, reg.b); // G
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Rasterizer::SetTevReg(regNum, Tev::BLU_C, konst, reg.a); // B
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break;
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}
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}
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}
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