Source/System/State/Base/OSGTextureBaseChunk.inl

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  36
  37
  38 OSG_BEGIN_NAMESPACE
  39
  40 inline
  41 const StateChunkClass *TextureBaseChunk::getStaticClass(void)
  42 {
  43     return &TextureBaseChunk::_class;
  44 }
  45
  46 inline
  47 UInt32 TextureBaseChunk::getStaticClassId(void)
  48 {
  49     return getStaticClass()->getId();
  50 }
  51
  52 inline
  53 UInt16 TextureBaseChunk::getChunkId(void)
  54 {
  55     return _uiChunkId;
  56 }
  57
  58 inline
  59 bool TextureBaseChunk::hasMultiTexture(Window *win)
  60 {
  61     return win->hasExtOrVersion(_arbMultiTex, 0x0103, 0x0200);
  62 }
  63
  64 //! call glActiveTexture via the extension mechanism
  65 inline
  66 void TextureBaseChunk::activeTexture(Window *win, UInt16 texture)
  67 {
  68     OSGGETGLFUNCBYID_GL3_ES( glActiveTexture,
  69                              osgGlActiveTexture,
  70                             _funcActiveTexture,
  71                              win);
  72
  73     osgGlActiveTexture(GL_TEXTURE0 + texture);
  74 }
  75
  76 //! call glActiveTexture via the extension mechanism, if MultiTextures
  77 //! are supported. Return false if successful, true if not.
  78 inline
  79 bool TextureBaseChunk::activateTexture(Window *win, UInt16 texture)
  80 {
  81     if(hasMultiTexture(win))
  82     {
  83         activeTexture(win, texture);
  84     }
  85 #ifdef OSG_DEBUG
  86     else
  87     {
  88         if(texture != 0)
  89         {
  90             FWARNING(("TextureChunk::activateTexture: trying to activate "
  91                       "texture %d, but Window %p doesn't support "
  92                       "multi-textures!\n",
  93                       texture,
  94                       static_cast<void *>(win)));
  95             return true;
  96         }
  97     }
  98 #endif
  99     return false;
 100 }
 101
 102
 103 OSG_END_NAMESPACE
 104