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Initial megacommit.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4 8ced0084-cf51-0410-be5f-012b33b47a6e
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hrydgard
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1920 changed files with 734652 additions and 0 deletions
310
Source/Plugins/Plugin_VideoDX9/Src/OpcodeDecoding.cpp
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310
Source/Plugins/Plugin_VideoDX9/Src/OpcodeDecoding.cpp
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//DL facts:
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// Ikaruga uses NO display lists!
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// Zelda WW uses TONS of display lists
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// Zelda TP uses almost 100% display lists except menus (we like this!)
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// Note that it IS NOT POSSIBLE to precompile display lists! You can compile them as they are
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// and hope that the vertex format doesn't change, though, if you do it just when they are
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// called. The reason is that the vertex format affects the sizes of the vertices.
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#include "D3DBase.h"
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#include "Common.h"
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#include "Globals.h"
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#include "VertexHandler.h"
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#include "TransformEngine.h"
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#include "OpcodeDecoding.h"
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#include "TextureCache.h"
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#include "ShaderManager.h"
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#include "DecodedVArray.h"
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#include "BPStructs.h"
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#include "XFStructs.h"
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#include "Utils.h"
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#include "main.h"
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#include "DataReader.h"
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#include "DLCompiler.h"
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#define CMDBUFFER_SIZE 1024*1024
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DecodedVArray tempvarray;
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void Decode();
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extern u8 FAKE_PeekFifo8(u32 _uOffset);
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extern u16 FAKE_PeekFifo16(u32 _uOffset);
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extern u32 FAKE_PeekFifo32(u32 _uOffset);
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extern int FAKE_GetFifoSize();
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CDataReader_Fifo g_fifoReader;
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void ExecuteDisplayList(u32 address, u32 size)
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{
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IDataReader* pOldReader = g_pDataReader;
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// address &= 0x01FFFFFF; // phys address
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CDataReader_Memory memoryReader(address);
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g_pDataReader = &memoryReader;
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while((memoryReader.GetReadAddress() - address) < size)
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{
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Decode();
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}
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INCSTAT(stats.numDListsAlive);
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// reset to the old reader
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g_pDataReader = pOldReader;
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}
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inline u8 PeekFifo8(u32 _uOffset)
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{
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return FAKE_PeekFifo8(_uOffset);
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}
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inline u16 PeekFifo16(u32 _uOffset)
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{
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return FAKE_PeekFifo16(_uOffset);
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}
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inline u32 PeekFifo32(u32 _uOffset)
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{
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return FAKE_PeekFifo32(_uOffset);
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}
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bool FifoCommandRunnable(void)
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{
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u32 iBufferSize = FAKE_GetFifoSize();
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if (iBufferSize == 0)
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return false;
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u8 Cmd = PeekFifo8(0);
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u32 iCommandSize = 0;
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switch(Cmd)
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{
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case GX_NOP:
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// Hm, this means that we scan over nop streams pretty slowly...
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iCommandSize = 1;
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break;
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case GX_LOAD_CP_REG:
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iCommandSize = 6;
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break;
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case GX_LOAD_INDX_A:
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case GX_LOAD_INDX_B:
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case GX_LOAD_INDX_C:
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case GX_LOAD_INDX_D:
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iCommandSize = 5;
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break;
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case GX_CMD_CALL_DL:
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iCommandSize = 9;
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break;
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case 0x44:
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iCommandSize = 1;
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// zelda 4 swords calls it and checks the metrics registers after that
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break;
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case GX_CMD_INVL_VC: // invalid vertex cache - no parameter?
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iCommandSize = 1;
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break;
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case GX_LOAD_BP_REG:
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iCommandSize = 5;
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break;
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case GX_LOAD_XF_REG:
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{
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// check if we can read the header
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if (iBufferSize >= 5)
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{
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iCommandSize = 1 + 4;
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u32 Cmd2 = PeekFifo32(1);
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int dwTransferSize = ((Cmd2 >> 16) & 15) + 1;
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iCommandSize += dwTransferSize * 4;
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}
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else
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{
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return false;
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}
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}
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break;
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default:
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if (Cmd&0x80)
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{
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// check if we can read the header
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if (iBufferSize >= 3)
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{
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iCommandSize = 1 + 2;
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u16 numVertices = PeekFifo16(1);
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VertexLoader& vtxLoader = g_VertexLoaders[Cmd & GX_VAT_MASK];
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vtxLoader.Setup();
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int vsize = vtxLoader.GetVertexSize();
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iCommandSize += numVertices * vsize;
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}
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else
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{
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return false;
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}
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}
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else
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{
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char szTemp[512];
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sprintf(szTemp, "Error: Unknown Opcode (0x%x)", Cmd);
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MessageBox(NULL, szTemp, "Video-Plugin", MB_OK);
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g_VideoInitialize.pLog(szTemp, TRUE);
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}
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break;
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}
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if (iCommandSize > iBufferSize)
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return false;
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#ifdef _DEBUG
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char temp[256];
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sprintf(temp, "OP detected: Cmd 0x%x size %i buffer %i",Cmd, iCommandSize, iBufferSize);
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g_VideoInitialize.pLog(temp, FALSE);
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#endif
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return true;
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}
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void Decode(void)
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{
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static int DecoderCount = 0;
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DecoderCount++;
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if (DecoderCount == 0x0019c601)
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{
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int i = 0;
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}
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// 0x0019c603 <- error
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int Cmd = g_pDataReader->Read8();
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switch(Cmd)
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{
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case GX_NOP:
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break;
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case GX_LOAD_CP_REG: //0x08
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{
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u32 SubCmd = g_pDataReader->Read8();
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u32 Value = g_pDataReader->Read32();
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LoadCPReg(SubCmd,Value);
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}
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break;
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case GX_LOAD_XF_REG:
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{
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u32 test = PeekFifo32(0);
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u32 Cmd2 = g_pDataReader->Read32();
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int dwTransferSize = ((Cmd2>>16)&15) + 1;
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DWORD dwAddress = Cmd2 & 0xFFFF;
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static u32 pData[16];
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for (int i=0; i<dwTransferSize; i++)
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pData[i] = g_pDataReader->Read32();
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LoadXFReg(dwTransferSize,dwAddress,pData);
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}
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break;
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case GX_LOAD_INDX_A: //used for position matrices
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LoadIndexedXF(g_pDataReader->Read32(),0xC);
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break;
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case GX_LOAD_INDX_B: //used for normal matrices
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LoadIndexedXF(g_pDataReader->Read32(),0xD);
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break;
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case GX_LOAD_INDX_C: //used for postmatrices
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LoadIndexedXF(g_pDataReader->Read32(),0xE);
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break;
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case GX_LOAD_INDX_D: //used for lights
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LoadIndexedXF(g_pDataReader->Read32(),0xF);
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break;
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case GX_CMD_CALL_DL:
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{
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u32 dwAddr = g_pDataReader->Read32();
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u32 dwCount = g_pDataReader->Read32();
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ExecuteDisplayList(dwAddr, dwCount);
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}
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break;
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case 0x44:
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// zelda 4 swords calls it and checks the metrics registers after that
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break;
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case GX_CMD_INVL_VC:// Invalidate (vertex cache?)
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DebugLog("Invalidate (vertex cache?)");
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break;
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case GX_LOAD_BP_REG: //0x61
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{
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u32 cmd = g_pDataReader->Read32();
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LoadBPReg(cmd);
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}
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break;
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// draw primitives
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default:
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if (Cmd&0x80)
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{
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// load vertices
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u16 numVertices = g_pDataReader->Read16();
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tempvarray.Reset();
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VertexLoader::SetVArray(&tempvarray);
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VertexLoader& vtxLoader = g_VertexLoaders[Cmd & GX_VAT_MASK];
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vtxLoader.Setup();
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vtxLoader.PrepareRun();
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int vsize = vtxLoader.GetVertexSize();
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vtxLoader.RunVertices(numVertices);
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// draw vertices
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int primitive = (Cmd & GX_PRIMITIVE_MASK) >> GX_PRIMITIVE_SHIFT;
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CVertexHandler::DrawVertices(primitive, numVertices, &tempvarray);
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}
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else
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{
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char szTmp[256];
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// sprintf(szTmp, "Illegal command %02x (at %08x)",Cmd,g_pDataReader->GetPtr());
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sprintf(szTmp, "Illegal command %02x",Cmd);
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g_VideoInitialize.pLog(szTmp, TRUE);
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MessageBox(0,szTmp,"GFX ERROR",0);
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// _assert_msg_(0,szTmp,"");
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break;
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}
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break;
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}
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}
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void OpcodeDecoder_Init()
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{
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g_pDataReader = &g_fifoReader;
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tempvarray.Create(65536*3, 1, 8, 3, 2, 8);
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}
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void OpcodeDecoder_Shutdown()
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{
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//VirtualFree((LPVOID)buffer,CMDBUFFER_SIZE,MEM_RELEASE);
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tempvarray.Destroy();
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}
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void OpcodeDecoder_Run()
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{
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// just a small check
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if (g_pDataReader != &g_fifoReader)
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{
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MessageBox(NULL, "very strange", "video-plugin", MB_OK);
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}
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DVSTARTPROFILE();
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while (FifoCommandRunnable())
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{
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Decode();
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}
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}
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