00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org/ 00006 00007 Copyright © 2000-2003 The OGRE Team 00008 Also see acknowledgements in Readme.html 00009 00010 This program is free software; you can redistribute it and/or modify it under 00011 the terms of the GNU Lesser General Public License as published by the Free Software 00012 Foundation; either version 2 of the License, or (at your option) any later 00013 version. 00014 00015 This program is distributed in the hope that it will be useful, but WITHOUT 00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License along with 00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple 00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to 00022 http://www.gnu.org/copyleft/lesser.txt. 00023 ----------------------------------------------------------------------------- 00024 */ 00025 #include "OgreD3D9VertexDeclaration.h" 00026 #include "OgreD3D9Mappings.h" 00027 00028 namespace Ogre { 00029 00030 //----------------------------------------------------------------------- 00031 D3D9VertexDeclaration::D3D9VertexDeclaration(LPDIRECT3DDEVICE9 device) 00032 : mlpD3DDevice(device), mlpD3DDecl(NULL), mNeedsRebuild(true) 00033 { 00034 } 00035 //----------------------------------------------------------------------- 00036 D3D9VertexDeclaration::~D3D9VertexDeclaration() 00037 { 00038 SAFE_RELEASE(mlpD3DDecl); 00039 } 00040 //----------------------------------------------------------------------- 00041 const VertexElement& D3D9VertexDeclaration::addElement(unsigned short source, 00042 size_t offset, VertexElementType theType, 00043 VertexElementSemantic semantic, unsigned short index) 00044 { 00045 mNeedsRebuild = true; 00046 return VertexDeclaration::addElement(source, offset, theType, semantic, index); 00047 } 00048 //----------------------------------------------------------------------- 00049 void D3D9VertexDeclaration::removeElement(unsigned short elem_index) 00050 { 00051 VertexDeclaration::removeElement(elem_index); 00052 mNeedsRebuild = true; 00053 } 00054 //----------------------------------------------------------------------- 00055 void D3D9VertexDeclaration::modifyElement(unsigned short elem_index, 00056 unsigned short source, size_t offset, VertexElementType theType, 00057 VertexElementSemantic semantic, unsigned short index) 00058 { 00059 VertexDeclaration::modifyElement(elem_index, source, offset, theType, semantic, index); 00060 mNeedsRebuild = true; 00061 } 00062 //----------------------------------------------------------------------- 00063 LPDIRECT3DVERTEXDECLARATION9 D3D9VertexDeclaration::getD3DVertexDeclaration(void) 00064 { 00065 if (mNeedsRebuild) 00066 { 00067 SAFE_RELEASE(mlpD3DDecl); 00068 // Create D3D elements 00069 D3DVERTEXELEMENT9* d3delems = new D3DVERTEXELEMENT9[mElementList.size() + 1]; 00070 00071 VertexElementList::const_iterator i, iend; 00072 unsigned int idx; 00073 iend = mElementList.end(); 00074 for (idx = 0, i = mElementList.begin(); i != iend; ++i, ++idx) 00075 { 00076 d3delems[idx].Method = D3DDECLMETHOD_DEFAULT; 00077 d3delems[idx].Offset = static_cast<WORD>(i->getOffset()); 00078 d3delems[idx].Stream = i->getSource(); 00079 d3delems[idx].Type = D3D9Mappings::get(i->getType()); 00080 d3delems[idx].Usage = D3D9Mappings::get(i->getSemantic()); 00081 // NB force index if colours since D3D uses the same usage for 00082 // diffuse & specular 00083 if (i->getSemantic() == VES_SPECULAR) 00084 { 00085 d3delems[idx].UsageIndex = 1; 00086 } 00087 else if (i->getSemantic() == VES_DIFFUSE) 00088 { 00089 d3delems[idx].UsageIndex = 0; 00090 } 00091 else 00092 { 00093 d3delems[idx].UsageIndex = i->getIndex(); 00094 } 00095 } 00096 // Add terminator 00097 d3delems[idx].Stream = 0xff; 00098 d3delems[idx].Offset = 0; 00099 d3delems[idx].Type = D3DDECLTYPE_UNUSED; 00100 d3delems[idx].Method = 0; 00101 d3delems[idx].Usage = 0; 00102 d3delems[idx].UsageIndex = 0; 00103 00104 HRESULT hr = mlpD3DDevice->CreateVertexDeclaration(d3delems, &mlpD3DDecl); 00105 00106 delete [] d3delems; 00107 00108 mNeedsRebuild = false; 00109 00110 } 00111 return mlpD3DDecl; 00112 } 00113 //----------------------------------------------------------------------- 00114 00115 00116 } 00117
Copyright © 2002-2003 by The OGRE Team
Last modified Wed Jan 21 00:10:09 2004