nel/src/3d/texture.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.h"
  20 #include "nel/3d/driver.h"
  21 #include <vector>
  22
  23 #ifdef DEBUG_NEW
  24 #define new DEBUG_NEW
  25 #endif
  26
  27 namespace NL3D
  28 {
  29
  30
  31 /*==================================================================*\
  32                                                         ITEXTURE
  33 \*==================================================================*/
  34
  35
  36 // ***************************************************************************
  37 ITexture::ITexture()
  38 {
  39         _Touched= false;
  40         _FilterOrWrapModeTouched = false;
  41         _GoodGenerate= false;
  42         _Releasable= true;
  43         _RenderTarget= false;
  44         _WrapS= _WrapT= Repeat;
  45         _UploadFormat= Auto;
  46         _MagFilter= Linear;
  47         _MinFilter= LinearMipMapLinear;
  48 }
  49
  50
  51 // ***************************************************************************
  52 ITexture::~ITexture()
  53 {
  54         // Must kill the drv mirror of this texture.
  55         releaseDriverSetup();
  56 }
  57
  58
  59 // ***************************************************************************
  60 void    ITexture::releaseDriverSetup()
  61 {
  62         // Must kill the drv mirror of this texture.
  63         if (TextureDrvShare) TextureDrvShare.kill();
  64 }
  65
  66
  67 // ***************************************************************************
  68 ITexture &ITexture::operator=(const ITexture &tex)
  69 {
  70         // The operator= do not copy drv info
  71         // set touched=true. _Releasable is copied.
  72         _UploadFormat= tex._UploadFormat;
  73         _Releasable= tex._Releasable;
  74         _WrapS= tex._WrapS;
  75         _WrapT= tex._WrapT;
  76         _MagFilter= tex._MagFilter;
  77         _MinFilter= tex._MinFilter;
  78         _RenderTarget= tex._RenderTarget;
  79         _FilterOrWrapModeTouched = tex._FilterOrWrapModeTouched;
  80         touch();
  81         return *this;
  82 }
  83
  84
  85 // ***************************************************************************
  86 void            ITexture::setUploadFormat(TUploadFormat pf)
  87 {
  88         if(pf!=_UploadFormat)
  89         {
  90                 _UploadFormat= pf;
  91                 // All the texture may be reloaded...
  92                 touch();
  93         }
  94 }
  95
  96
  97 // ***************************************************************************
  98 void            ITexture::setFilterMode(TMagFilter magf, TMinFilter minf)
  99 {
 100         if (_MagFilter != magf)
 101         {
 102                 _MagFilter= magf;
 103                 _FilterOrWrapModeTouched = true;
 104         }
 105         // If the MipMap mode has switched Off/On, then must recompute...
 106         bool    precOff= mipMapOff();
 107         if (_MinFilter != minf)
 108         {
 109                 _MinFilter= minf;
 110                 _FilterOrWrapModeTouched = true;
 111         }
 112         bool    nowOff= mipMapOff();
 113
 114         if(precOff!=nowOff)
 115         {
 116                 // Must recompute mipmaps!!
 117                 touch();
 118         }
 119 }
 120
 121
 122
 123 // ***************************************************************************
 124 CTextureDrvShare::~CTextureDrvShare()
 125 {
 126         _Driver->removeTextureDrvSharePtr(_DriverIterator);
 127 }
 128 // ***************************************************************************
 129 ITextureDrvInfos::~ITextureDrvInfos()
 130 {
 131         // NB: _Driver may be NULL because texture may not be stored in the share texture map.
 132         // so there is no need to remove it from this map!!
 133         if(_Driver)
 134                 _Driver->removeTextureDrvInfoPtr(_DriverIterator);
 135 }
 136
 137
 138 // ***************************************************************************
 139 void    ITexture::serial(NLMISC::IStream &f)
 140 {
 141         /*
 142         Version 1:
 143                 - _LoadGrayscaleAsAlpha
 144         Version 0:
 145                 - base version.
 146         */
 147
 148         sint    ver= f.serialVersion(1);
 149
 150         f.serialEnum(_UploadFormat);
 151         f.serialEnum(_WrapS);
 152         f.serialEnum(_WrapT);
 153         f.serialEnum(_MinFilter);
 154         f.serialEnum(_MagFilter);
 155         if(ver>=1)
 156                 f.serial(_LoadGrayscaleAsAlpha);
 157 }
 158
 159 // ***************************************************************************
 160
 161 void ITexture::setRenderTarget (bool enable)
 162 {
 163         _RenderTarget = enable;
 164         touch ();
 165 }
 166
 167 // ***************************************************************************
 168
 169
 170 } // NL3D