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2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/Cry3DEngine/terrain_tex_pool.cpp
+++ b/Cry3DEngine/terrain_tex_pool.cpp
@@ -0,0 +1,153 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   terrain_tex_pool.cpp
+//  Version:     v1.00
+//  Created:     28/5/2001 by Vladimir Kajalin
+//  Compilers:   Visual Studio.NET
+//  Description: terrain texture cahce
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+
+#include "terrain_sector.h"
+
+CTexturePool::CTexturePool()
+{
+  /*
+  int nMaxTexSize = 128;
+  int nMaxTexNum  = 64; // max hires textures num
+
+  // alloc tmp buff
+  uchar * pTmpBuff = new uchar[nMaxTexSize*nMaxTexSize*4];
+  memset(pTmpBuff,0,nMaxTexSize*nMaxTexSize*4);
+
+  // alloc texture pool for lods
+  for(int nLod=0; nLod<2; nLod++)
+  {
+    for(int i=0; i<nMaxTexNum; i++)
+    {
+      int nTexID = GetRenderer()->DownLoadToVideoMemory(pTmpBuff,
+        nMaxTexSize, nMaxTexSize, eTF_DXT1, eTF_DXT1, 0, false, FILTER_LINEAR);
+
+      assert(nTexID);
+
+      TexInfo info;
+      info.nTexId = nTexID;
+      info.pSectorInfo = 0;
+      m_TexturePool[nLod].Add(info);
+    }
+    nMaxTexSize/=2;
+    nMaxTexNum=1024; // max lod1 textures num
+  }
+
+  delete [] pTmpBuff;*/
+}
+
+int CTexturePool::MakeTexture(uchar * pData, int nTexSize, CSectorInfo * pNewSectorInfo, bool bMakeUncompressedForEditing)
+{
+  if(!GetCVars()->e_terrain_texture_pool)
+  { // if pool not used
+    return GetRenderer()->DownLoadToVideoMemory(pData, nTexSize, nTexSize, 
+			eTF_DXT1, bMakeUncompressedForEditing ? eTF_8888 : eTF_DXT1, 0, false, FILTER_LINEAR);
+  }
+
+  int nLod = -1;
+  if(nTexSize == 128)
+    nLod = 0;
+  else if(nTexSize == 64)
+    nLod = 1;
+  else
+    GetConsole()->Exit("CTexturePool::MakeTexture: invalid nSize");
+
+  list2<TexInfo> & TexInfos = m_TexturePool[nLod];
+
+  // find first free slot
+  for(int i=0; i<TexInfos.Count(); i++)
+  if(!TexInfos[i].pSectorInfo)
+  { 
+    // update slot texture
+    GetRenderer()->UpdateTextureInVideoMemory(TexInfos[i].nTexId,pData,0,0,nTexSize,nTexSize,eTF_DXT1);
+    TexInfos[i].pSectorInfo = pNewSectorInfo;
+    return TexInfos[i].nTexId;
+  }
+
+  GetLog()->Log("CTexturePool::MakeTexture: Terrain texture pool overflow");
+
+  // find oldest sector
+  uint nMinLastUsageTime = (uint)-1;
+  int nTexInfoId = -1;
+  for(int i=0; i<TexInfos.Count(); i++)
+  if(TexInfos[i].pSectorInfo && nMinLastUsageTime > (uint)TexInfos[i].pSectorInfo->m_cLastTimeUsed)
+  {
+    nMinLastUsageTime = TexInfos[i].pSectorInfo->m_cLastTimeUsed;
+    nTexInfoId = i;
+  }
+
+  // free owning sector textures
+  assert(TexInfos[nTexInfoId].pSectorInfo);
+  TexInfos[nTexInfoId].pSectorInfo->RemoveSectorTextures(nLod>0);
+  assert(!TexInfos[nTexInfoId].pSectorInfo);
+
+  // update slot texture with new data
+  TexInfos[nTexInfoId].pSectorInfo = pNewSectorInfo;
+  GetRenderer()->UpdateTextureInVideoMemory(TexInfos[nTexInfoId].nTexId,pData,0,0,nTexSize,nTexSize,eTF_DXT1);
+  return TexInfos[nTexInfoId].nTexId;
+}
+
+void CTexturePool::RemoveTexture(int nId)
+{
+  if(!GetCVars()->e_terrain_texture_pool)
+  { // if pool not used
+    GetRenderer()->RemoveTexture(nId);
+    return;
+  }
+
+  // find texture id and mark it as free
+  int bFound=0;
+  for(int nLod=0; nLod<2; nLod++)
+  {
+    for(int i=0; i<m_TexturePool[nLod].Count(); i++)
+    {
+      if(m_TexturePool[nLod][i].pSectorInfo && m_TexturePool[nLod][i].nTexId == nId)
+      {
+        assert(!bFound);
+        if(bFound)
+          GetLog()->Log("CTexturePool::RemoveTexture: texture id found twice");
+
+        m_TexturePool[nLod][i].pSectorInfo = 0;
+        bFound = true;
+      }
+    }
+  }
+}
+
+const char * CTexturePool::GetStatusText(CTerrain * pTerrain)
+{
+  int nInUseTexNum[2] = {0,0};
+  for(int nLod=0; nLod<2; nLod++)
+  for(int i=0; i<m_TexturePool[nLod].Count(); i++)
+  if(m_TexturePool[nLod][i].pSectorInfo)
+    nInUseTexNum[nLod]++;
+
+  int arrTexMem[2] = 
+  { 
+    nInUseTexNum[0]*128*128*3/6,
+    nInUseTexNum[1]*64*64*3/6
+  };
+
+  static char szText[256]="";
+  if(!GetCVars()->e_terrain_texture_pool)
+    snprintf(szText, sizeof(szText), "TerrTexStats %d/%d", pTerrain->m_arrLoadedTexturesNum[0], pTerrain->m_arrLoadedTexturesNum[1]);
+  else
+    snprintf(szText, sizeof(szText), "TerrTexPoolStats %d/%d (%d/%d) / %d/%d (%d/%d)", 
+      nInUseTexNum[0], m_TexturePool[0].Count(), arrTexMem[0]/1024, m_TexturePool[0].Count()*128*128*3/6/1024,
+      nInUseTexNum[1], m_TexturePool[1].Count(), arrTexMem[1]/1024, m_TexturePool[1].Count()* 64* 64*3/6/1024);
+
+  return szText;
+}