TxtrCacheEntry * CTextureManager::GetTexture(TxtrInfo * pgti, bool fromTMEM, bool doCRCCheck, bool AutoExtendTexture)
{
TxtrCacheEntry *pEntry;
if( g_curRomInfo.bDisableTextureCRC )
doCRCCheck = false;
gRDP.texturesAreReloaded = true;
dwAsmCRC = 0;
uint32 dwPalCRC = 0;
pEntry = GetTxtrCacheEntry(pgti);
bool loadFromTextureBuffer=false;
int txtBufIdxToLoadFrom = -1;
if( (frameBufferOptions.bCheckRenderTextures&&!frameBufferOptions.bWriteBackBufToRDRAM) || (frameBufferOptions.bCheckBackBufs&&!frameBufferOptions.bWriteBackBufToRDRAM) )
{
txtBufIdxToLoadFrom = g_pFrameBufferManager->CheckAddrInRenderTextures(pgti->Address);
if( txtBufIdxToLoadFrom >= 0 )
{
loadFromTextureBuffer = true;
// Check if it is the same size,
RenderTextureInfo &info = gRenderTextureInfos[txtBufIdxToLoadFrom];
//if( info.pRenderTexture && info.CI_Info.dwAddr == pgti->Address && info.CI_Info.dwFormat == pgti->Format
if( info.pRenderTexture && info.CI_Info.dwFormat == pgti->Format
&& info.CI_Info.dwSize == pgti->Size )
{
info.txtEntry.ti = *pgti;
return &info.txtEntry;
}
}
}
if( frameBufferOptions.bCheckBackBufs && g_pFrameBufferManager->CheckAddrInBackBuffers(pgti->Address, pgti->HeightToLoad*pgti->Pitch) >= 0 )
{
if( !frameBufferOptions.bWriteBackBufToRDRAM )
{
// Load the texture from recent back buffer
txtBufIdxToLoadFrom = g_pFrameBufferManager->CheckAddrInRenderTextures(pgti->Address);
if( txtBufIdxToLoadFrom >= 0 )
{
loadFromTextureBuffer = true;
// Check if it is the same size,
RenderTextureInfo &info = gRenderTextureInfos[txtBufIdxToLoadFrom];
//if( info.pRenderTexture && info.CI_Info.dwAddr == pgti->Address && info.CI_Info.dwFormat == pgti->Format
if( info.pRenderTexture && info.CI_Info.dwFormat == pgti->Format
&& info.CI_Info.dwSize == pgti->Size )
{
info.txtEntry.ti = *pgti;
return &info.txtEntry;
}
}
}
}
if (pEntry && pEntry->dwTimeLastUsed == status.gRDPTime && status.gDlistCount != 0 && !status.bN64FrameBufferIsUsed ) // This is not good, Palatte may changes
{
// We've already calculated a CRC this frame!
dwAsmCRC = pEntry->dwCRC;
}
else
{
if ( doCRCCheck )
{
if( loadFromTextureBuffer )
dwAsmCRC = gRenderTextureInfos[txtBufIdxToLoadFrom].crcInRDRAM;
else
CalculateRDRAMCRC(pgti->pPhysicalAddress, pgti->LeftToLoad, pgti->TopToLoad, pgti->WidthToLoad, pgti->HeightToLoad, pgti->Size, pgti->Pitch);
}
}
int maxCI = 0;
if ( doCRCCheck && (pgti->Format == TXT_FMT_CI || (pgti->Format == TXT_FMT_RGBA && pgti->Size <= TXT_SIZE_8b )))
{
//maxCI = pgti->Size == TXT_SIZE_8b ? 255 : 15;
extern unsigned char CalculateMaxCI(void *pPhysicalAddress, uint32 left, uint32 top, uint32 width, uint32 height, uint32 size, uint32 pitchInBytes );
if( !pEntry || pEntry->dwCRC != dwAsmCRC || pEntry->maxCI < 0 )
{
maxCI = CalculateMaxCI(pgti->pPhysicalAddress, pgti->LeftToLoad, pgti->TopToLoad, pgti->WidthToLoad, pgti->HeightToLoad, pgti->Size, pgti->Pitch);
}
else
{
maxCI = pEntry->maxCI;
}
//Check PAL CRC
uint8 * pStart;
uint32 dwPalSize = 16;
uint32 dwOffset;
if( pgti->Size == TXT_SIZE_8b )
{
dwPalSize = 256;
dwOffset = 0;
}
else
{
dwOffset = pgti->Palette << 4;
}
pStart = (uint8*)pgti->PalAddress+dwOffset*2;
//uint32 y;
//for (y = 0; y < dwPalSize*2; y+=4)
//{
// dwPalCRC = (dwPalCRC + *(uint32*)&pStart[y]);
//}
uint32 dwAsmCRCSave = dwAsmCRC;
//dwPalCRC = CalculateRDRAMCRC(pStart, 0, 0, dwPalSize, 1, TXT_SIZE_16b, dwPalSize*2);
dwPalCRC = CalculateRDRAMCRC(pStart, 0, 0, maxCI+1, 1, TXT_SIZE_16b, dwPalSize*2);
dwAsmCRC = dwAsmCRCSave;
}
if (pEntry && doCRCCheck )
{
if(pEntry->dwCRC == dwAsmCRC && pEntry->dwPalCRC == dwPalCRC &&
(!loadFromTextureBuffer || gRenderTextureInfos[txtBufIdxToLoadFrom].updateAtFrame < pEntry->FrameLastUsed ) )
{
// Tile is ok, return
pEntry->dwUses++;
pEntry->dwTimeLastUsed = status.gRDPTime;
pEntry->FrameLastUsed = status.gDlistCount;
LOG_TEXTURE(TRACE0(" Use current texture:\n"));
pEntry->lastEntry = g_lastTextureEntry;
g_lastTextureEntry = pEntry;
lastEntryModified = false;
DEBUGGER_IF_DUMP((pauseAtNext && loadFromTextureBuffer) ,
{DebuggerAppendMsg("Load cached texture from render_texture");}
);
TxtrCacheEntry * CTextureManager::GetTexture(TxtrInfo * pgti, bool fromTMEM, bool doCRCCheck, bool AutoExtendTexture)
{
TxtrCacheEntry *pEntry;
if( g_curRomInfo.bDisableTextureCRC )
doCRCCheck = false;
gRDP.texturesAreReloaded = true;
dwAsmCRC = 0;
uint32 dwPalCRC = 0;
pEntry = GetTxtrCacheEntry(pgti);
bool loadFromTextureBuffer=false;
int txtBufIdxToLoadFrom = -1;
if( (frameBufferOptions.bCheckRenderTextures&&!frameBufferOptions.bWriteBackBufToRDRAM) || (frameBufferOptions.bCheckBackBufs&&!frameBufferOptions.bWriteBackBufToRDRAM) )
{
txtBufIdxToLoadFrom = g_pFrameBufferManager->CheckAddrInRenderTextures(pgti->Address);
if( txtBufIdxToLoadFrom >= 0 )
{
loadFromTextureBuffer = true;
// Check if it is the same size,
RenderTextureInfo &info = gRenderTextureInfos[txtBufIdxToLoadFrom];
//if( info.pRenderTexture && info.CI_Info.dwAddr == pgti->Address && info.CI_Info.dwFormat == pgti->Format
if( info.pRenderTexture && info.CI_Info.dwFormat == pgti->Format
&& info.CI_Info.dwSize == pgti->Size )
{
info.txtEntry.ti = *pgti;
return &info.txtEntry;
}
}
}
bool loadFromBackBuffer=false;
if( frameBufferOptions.bCheckBackBufs && g_pFrameBufferManager->CheckAddrInBackBuffers(pgti->Address, pgti->HeightToLoad*pgti->Pitch) >= 0 )
{
if( !frameBufferOptions.bWriteBackBufToRDRAM )
{
// Load the texture from recent back buffer
loadFromBackBuffer = true;
txtBufIdxToLoadFrom = g_pFrameBufferManager->CheckAddrInRenderTextures(pgti->Address);
if( txtBufIdxToLoadFrom >= 0 )
{
loadFromTextureBuffer = true;
// Check if it is the same size,
RenderTextureInfo &info = gRenderTextureInfos[txtBufIdxToLoadFrom];
//if( info.pRenderTexture && info.CI_Info.dwAddr == pgti->Address && info.CI_Info.dwFormat == pgti->Format
if( info.pRenderTexture && info.CI_Info.dwFormat == pgti->Format
&& info.CI_Info.dwSize == pgti->Size )
{
info.txtEntry.ti = *pgti;
return &info.txtEntry;
}
}
}
}
if (pEntry && pEntry->dwTimeLastUsed == status.gRDPTime && status.gDlistCount != 0 && !status.bN64FrameBufferIsUsed ) // This is not good, Palatte may changes
{
// We've already calculated a CRC this frame!
dwAsmCRC = pEntry->dwCRC;
}
else
{
if ( doCRCCheck )
{
if( loadFromTextureBuffer )
dwAsmCRC = gRenderTextureInfos[txtBufIdxToLoadFrom].crcInRDRAM;
else
CalculateRDRAMCRC(pgti->pPhysicalAddress, pgti->LeftToLoad, pgti->TopToLoad, pgti->WidthToLoad, pgti->HeightToLoad, pgti->Size, pgti->Pitch);
}
}
int maxCI = 0;
if ( doCRCCheck && (pgti->Format == TXT_FMT_CI || (pgti->Format == TXT_FMT_RGBA && pgti->Size <= TXT_SIZE_8b )))
{
//maxCI = pgti->Size == TXT_SIZE_8b ? 255 : 15;
extern BYTE CalculateMaxCI(void *pPhysicalAddress, uint32 left, uint32 top, uint32 width, uint32 height, uint32 size, uint32 pitchInBytes );
if( !pEntry || pEntry->dwCRC != dwAsmCRC || pEntry->maxCI < 0 )
{
maxCI = CalculateMaxCI(pgti->pPhysicalAddress, pgti->LeftToLoad, pgti->TopToLoad, pgti->WidthToLoad, pgti->HeightToLoad, pgti->Size, pgti->Pitch);
}
else
{
maxCI = pEntry->maxCI;
}
//Check PAL CRC
uint8 * pStart;
uint32 dwPalSize = 16;
uint32 dwOffset;
if( pgti->Size == TXT_SIZE_8b )
{
dwPalSize = 256;
dwOffset = 0;
}
else
{
dwOffset = pgti->Palette << 4;
}
pStart = (uint8*)pgti->PalAddress+dwOffset*2;
//uint32 y;
//for (y = 0; y < dwPalSize*2; y+=4)
//{
// dwPalCRC = (dwPalCRC + *(uint32*)&pStart[y]);
//}
uint32 dwAsmCRCSave = dwAsmCRC;
//dwPalCRC = CalculateRDRAMCRC(pStart, 0, 0, dwPalSize, 1, TXT_SIZE_16b, dwPalSize*2);
dwPalCRC = CalculateRDRAMCRC(pStart, 0, 0, maxCI+1, 1, TXT_SIZE_16b, dwPalSize*2);
dwAsmCRC = dwAsmCRCSave;
}
// Fix for textures where ti is identical. In this case just the first texture has been added to the Cache.
// for further instances this texture has just been replaced instead of adding the additional texture to the same index
// in the cachelist. This was causing the slowdowns. Thus we have to iterate through the bucket of the cache list and see
// which of the textures that have been placed to it is the one we are looking for
if(pEntry && doCRCCheck && pEntry->dwCRC == dwAsmCRC && pEntry->dwPalCRC != dwPalCRC &&
(!loadFromTextureBuffer || gRenderTextureInfos[txtBufIdxToLoadFrom].updateAtFrame < pEntry->FrameLastUsed )){
bool bChecksumDoMatch=false;
// iterate through all textures located in the same bucket
while(pEntry->pNext){
// check the next texture in the same bucket
pEntry = pEntry->pNext;
// let's see if this one is the one we are actually looking for
if(pEntry->dwCRC == dwAsmCRC && pEntry->dwPalCRC == dwPalCRC && (!loadFromTextureBuffer || gRenderTextureInfos[txtBufIdxToLoadFrom].updateAtFrame < pEntry->FrameLastUsed )){
// found it in the neighbourhood
bChecksumDoMatch = true;
break;
}
}
// cannot find it
if(!bChecksumDoMatch){
// try to load it
pEntry = NULL;
}
}
if (pEntry && doCRCCheck )
{
if(pEntry->dwCRC == dwAsmCRC && pEntry->dwPalCRC == dwPalCRC &&
(!loadFromTextureBuffer || gRenderTextureInfos[txtBufIdxToLoadFrom].updateAtFrame < pEntry->FrameLastUsed ) )
{
// Tile is ok, return
pEntry->dwUses++;
pEntry->dwTimeLastUsed = status.gRDPTime;
pEntry->FrameLastUsed = status.gDlistCount;
LOG_TEXTURE(TRACE0(" Use current texture:\n"));
pEntry->lastEntry = g_lastTextureEntry;
g_lastTextureEntry = pEntry;
lastEntryModified = false;
DEBUGGER_IF_DUMP((pauseAtNext && loadFromTextureBuffer) ,
{DebuggerAppendMsg("Load cached texture from render_texture");}
);