mirror of
https://github.com/libretro/dolphin
synced 2024-09-19 12:05:10 -04:00
b7db359081
It actually maps to postMtxInfo, not posMtxInfo (which isn't a thing). This is especially confusing because there *are* position matrices (as opposed to post-transform matrices).
303 lines
8 KiB
C++
303 lines
8 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include "Common/CommonTypes.h"
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#include "Common/Logging/Log.h"
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#include "Common/Swap.h"
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#include "Core/HW/Memmap.h"
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#include "VideoCommon/CPMemory.h"
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#include "VideoCommon/DataReader.h"
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#include "VideoCommon/Fifo.h"
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#include "VideoCommon/GeometryShaderManager.h"
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#include "VideoCommon/PixelShaderManager.h"
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#include "VideoCommon/VertexManagerBase.h"
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#include "VideoCommon/VertexShaderManager.h"
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#include "VideoCommon/XFMemory.h"
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static void XFMemWritten(u32 transferSize, u32 baseAddress)
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{
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g_vertex_manager->Flush();
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VertexShaderManager::InvalidateXFRange(baseAddress, baseAddress + transferSize);
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}
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static void XFRegWritten(int transferSize, u32 baseAddress, DataReader src)
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{
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u32 address = baseAddress;
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u32 dataIndex = 0;
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while (transferSize > 0 && address < 0x1058)
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{
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u32 newValue = src.Peek<u32>(dataIndex * sizeof(u32));
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u32 nextAddress = address + 1;
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switch (address)
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{
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case XFMEM_ERROR:
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case XFMEM_DIAG:
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case XFMEM_STATE0: // internal state 0
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case XFMEM_STATE1: // internal state 1
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case XFMEM_CLOCK:
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case XFMEM_SETGPMETRIC:
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nextAddress = 0x1007;
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break;
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case XFMEM_CLIPDISABLE:
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// if (data & 1) {} // disable clipping detection
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// if (data & 2) {} // disable trivial rejection
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// if (data & 4) {} // disable cpoly clipping acceleration
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break;
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case XFMEM_VTXSPECS: //__GXXfVtxSpecs, wrote 0004
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break;
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case XFMEM_SETNUMCHAN:
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if (xfmem.numChan.numColorChans != (newValue & 3))
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g_vertex_manager->Flush();
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VertexShaderManager::SetLightingConfigChanged();
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break;
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case XFMEM_SETCHAN0_AMBCOLOR: // Channel Ambient Color
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case XFMEM_SETCHAN1_AMBCOLOR:
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{
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u8 chan = address - XFMEM_SETCHAN0_AMBCOLOR;
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if (xfmem.ambColor[chan] != newValue)
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{
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g_vertex_manager->Flush();
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VertexShaderManager::SetMaterialColorChanged(chan);
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}
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break;
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}
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case XFMEM_SETCHAN0_MATCOLOR: // Channel Material Color
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case XFMEM_SETCHAN1_MATCOLOR:
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{
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u8 chan = address - XFMEM_SETCHAN0_MATCOLOR;
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if (xfmem.matColor[chan] != newValue)
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{
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g_vertex_manager->Flush();
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VertexShaderManager::SetMaterialColorChanged(chan + 2);
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}
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break;
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}
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case XFMEM_SETCHAN0_COLOR: // Channel Color
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case XFMEM_SETCHAN1_COLOR:
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case XFMEM_SETCHAN0_ALPHA: // Channel Alpha
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case XFMEM_SETCHAN1_ALPHA:
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if (((u32*)&xfmem)[address] != (newValue & 0x7fff))
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g_vertex_manager->Flush();
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VertexShaderManager::SetLightingConfigChanged();
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break;
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case XFMEM_DUALTEX:
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if (xfmem.dualTexTrans.enabled != (newValue & 1))
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g_vertex_manager->Flush();
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VertexShaderManager::SetTexMatrixInfoChanged(-1);
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break;
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case XFMEM_SETMATRIXINDA:
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VertexShaderManager::SetTexMatrixChangedA(newValue);
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break;
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case XFMEM_SETMATRIXINDB:
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VertexShaderManager::SetTexMatrixChangedB(newValue);
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break;
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case XFMEM_SETVIEWPORT:
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case XFMEM_SETVIEWPORT + 1:
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case XFMEM_SETVIEWPORT + 2:
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case XFMEM_SETVIEWPORT + 3:
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case XFMEM_SETVIEWPORT + 4:
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case XFMEM_SETVIEWPORT + 5:
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g_vertex_manager->Flush();
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VertexShaderManager::SetViewportChanged();
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PixelShaderManager::SetViewportChanged();
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GeometryShaderManager::SetViewportChanged();
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nextAddress = XFMEM_SETVIEWPORT + 6;
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break;
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case XFMEM_SETPROJECTION:
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case XFMEM_SETPROJECTION + 1:
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case XFMEM_SETPROJECTION + 2:
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case XFMEM_SETPROJECTION + 3:
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case XFMEM_SETPROJECTION + 4:
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case XFMEM_SETPROJECTION + 5:
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case XFMEM_SETPROJECTION + 6:
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g_vertex_manager->Flush();
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VertexShaderManager::SetProjectionChanged();
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GeometryShaderManager::SetProjectionChanged();
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nextAddress = XFMEM_SETPROJECTION + 7;
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break;
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case XFMEM_SETNUMTEXGENS: // GXSetNumTexGens
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if (xfmem.numTexGen.numTexGens != (newValue & 15))
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g_vertex_manager->Flush();
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break;
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case XFMEM_SETTEXMTXINFO:
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case XFMEM_SETTEXMTXINFO + 1:
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case XFMEM_SETTEXMTXINFO + 2:
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case XFMEM_SETTEXMTXINFO + 3:
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case XFMEM_SETTEXMTXINFO + 4:
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case XFMEM_SETTEXMTXINFO + 5:
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case XFMEM_SETTEXMTXINFO + 6:
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case XFMEM_SETTEXMTXINFO + 7:
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g_vertex_manager->Flush();
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VertexShaderManager::SetTexMatrixInfoChanged(address - XFMEM_SETTEXMTXINFO);
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nextAddress = XFMEM_SETTEXMTXINFO + 8;
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break;
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case XFMEM_SETPOSTMTXINFO:
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case XFMEM_SETPOSTMTXINFO + 1:
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case XFMEM_SETPOSTMTXINFO + 2:
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case XFMEM_SETPOSTMTXINFO + 3:
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case XFMEM_SETPOSTMTXINFO + 4:
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case XFMEM_SETPOSTMTXINFO + 5:
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case XFMEM_SETPOSTMTXINFO + 6:
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case XFMEM_SETPOSTMTXINFO + 7:
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g_vertex_manager->Flush();
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VertexShaderManager::SetTexMatrixInfoChanged(address - XFMEM_SETPOSTMTXINFO);
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nextAddress = XFMEM_SETPOSTMTXINFO + 8;
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break;
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// --------------
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// Unknown Regs
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// --------------
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// Maybe these are for Normals?
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case 0x1048: // xfmem.texcoords[0].nrmmtxinfo.hex = data; break; ??
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case 0x1049:
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case 0x104a:
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case 0x104b:
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case 0x104c:
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case 0x104d:
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case 0x104e:
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case 0x104f:
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DEBUG_LOG(VIDEO, "Possible Normal Mtx XF reg?: %x=%x", address, newValue);
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break;
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case 0x1013:
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case 0x1014:
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case 0x1015:
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case 0x1016:
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case 0x1017:
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default:
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if (newValue != 0) // Ignore writes of zero.
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WARN_LOG(VIDEO, "Unknown XF Reg: %x=%x", address, newValue);
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break;
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}
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int transferred = nextAddress - address;
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address = nextAddress;
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transferSize -= transferred;
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dataIndex += transferred;
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}
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}
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void LoadXFReg(u32 transferSize, u32 baseAddress, DataReader src)
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{
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// do not allow writes past registers
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if (baseAddress + transferSize > 0x1058)
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{
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WARN_LOG(VIDEO, "XF load exceeds address space: %x %d bytes", baseAddress, transferSize);
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if (baseAddress >= 0x1058)
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transferSize = 0;
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else
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transferSize = 0x1058 - baseAddress;
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}
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// write to XF mem
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if (baseAddress < 0x1000 && transferSize > 0)
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{
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u32 end = baseAddress + transferSize;
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u32 xfMemBase = baseAddress;
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u32 xfMemTransferSize = transferSize;
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if (end >= 0x1000)
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{
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xfMemTransferSize = 0x1000 - baseAddress;
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baseAddress = 0x1000;
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transferSize = end - 0x1000;
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}
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else
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{
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transferSize = 0;
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}
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XFMemWritten(xfMemTransferSize, xfMemBase);
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for (u32 i = 0; i < xfMemTransferSize; i++)
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{
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((u32*)&xfmem)[xfMemBase + i] = src.Read<u32>();
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}
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}
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// write to XF regs
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if (transferSize > 0)
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{
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XFRegWritten(transferSize, baseAddress, src);
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for (u32 i = 0; i < transferSize; i++)
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{
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((u32*)&xfmem)[baseAddress + i] = src.Read<u32>();
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}
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}
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}
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// TODO - verify that it is correct. Seems to work, though.
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void LoadIndexedXF(u32 val, int refarray)
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{
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int index = val >> 16;
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int address = val & 0xFFF; // check mask
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int size = ((val >> 12) & 0xF) + 1;
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// load stuff from array to address in xf mem
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u32* currData = (u32*)(&xfmem) + address;
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u32* newData;
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if (Fifo::UseDeterministicGPUThread())
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{
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newData = (u32*)Fifo::PopFifoAuxBuffer(size * sizeof(u32));
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}
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else
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{
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newData = (u32*)Memory::GetPointer(g_main_cp_state.array_bases[refarray] +
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g_main_cp_state.array_strides[refarray] * index);
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}
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bool changed = false;
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for (int i = 0; i < size; ++i)
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{
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if (currData[i] != Common::swap32(newData[i]))
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{
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changed = true;
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XFMemWritten(size, address);
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break;
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}
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}
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if (changed)
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{
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for (int i = 0; i < size; ++i)
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currData[i] = Common::swap32(newData[i]);
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}
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}
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void PreprocessIndexedXF(u32 val, int refarray)
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{
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const u32 index = val >> 16;
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const u32 size = ((val >> 12) & 0xF) + 1;
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const u8* new_data = Memory::GetPointer(g_preprocess_cp_state.array_bases[refarray] +
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g_preprocess_cp_state.array_strides[refarray] * index);
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const size_t buf_size = size * sizeof(u32);
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Fifo::PushFifoAuxBuffer(new_data, buf_size);
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}
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