nel/src/3d/texture_mem.cpp

   1 // NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU Affero General Public License as
   6 // published by the Free Software Foundation, either version 3 of the
   7 // License, or (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU Affero General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU Affero General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 #include "std3d.h"
  18
  19 #include "nel/3d/texture_mem.h"
  20 #include "nel/misc/mem_stream.h"
  21
  22 #include <memory>
  23
  24 #ifdef DEBUG_NEW
  25 #define new DEBUG_NEW
  26 #endif
  27
  28 namespace NL3D
  29 {
  30
  31
  32 /*==================================================================*\
  33                                                         CTEXTUREMEM
  34 \*==================================================================*/
  35
  36 /*------------------------------------------------------------------*\
  37                                                         doGenerate()
  38 \*------------------------------------------------------------------*/
  39 void CTextureMem::doGenerate(bool /* async */)
  40 {
  41         if (_Data)
  42         {
  43                 if (_IsFile)
  44                 {
  45                         NLMISC::CMemStream m (true);
  46                         m.fill (_Data, _Length);
  47                         load (m);
  48                 }
  49                 else
  50                 {
  51                         resize(_TexWidth, _TexHeight, _TexType);
  52                         ::memcpy(&getPixels(0)[0], _Data, _Length);
  53                         buildMipMaps();
  54                 }
  55         }
  56         else
  57         {
  58                 makeDummy();
  59         }
  60 }
  61
  62
  63 static NLMISC::CRGBA WhitePix(255, 255, 255, 255); // the texture datas ... :)
  64
  65 ///===========================================================================
  66 ITexture *CTextureMem::Create1x1WhiteTex()
  67 {
  68         static NLMISC::CSmartPtr<ITexture> tex  = NULL;
  69         if (!tex)
  70         {
  71                 tex = new CTextureMem((uint8 *) &WhitePix,
  72                                                            sizeof(WhitePix),
  73                                                            false, /* dont delete */
  74                                                            false, /* not a file */
  75                                                            1, 1);
  76                 static_cast<CTextureMem *>((ITexture *)tex)->setShareName("#WhitePix1x1");
  77         }
  78         return (ITexture *) tex;
  79 }
  80
  81 ///===========================================================================
  82 void    CTextureMem::setAllowDegradation(bool allow)
  83 {
  84         _AllowDegradation= allow;
  85 }
  86
  87 ///===========================================================================
  88 uint32 CTextureMem::getImageWidth() const
  89 {
  90         return _TexWidth;
  91 }
  92
  93 ///===========================================================================
  94 uint32 CTextureMem::getImageHeight() const
  95 {
  96         return _TexHeight;
  97 }
  98
  99
 100 } // NL3D