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OgreGLHardwareBufferManager.cpp

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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 "OgreGLHardwareBufferManager.h"
00026 #include "OgreGLHardwareVertexBuffer.h"
00027 #include "OgreGLHardwareIndexBuffer.h"
00028 #include "OgreHardwareBuffer.h"
00029 
00030 namespace Ogre {
00031     //-----------------------------------------------------------------------
00032     GLHardwareBufferManager::GLHardwareBufferManager()
00033     {
00034     }
00035     //-----------------------------------------------------------------------
00036     GLHardwareBufferManager::~GLHardwareBufferManager()
00037     {
00038         destroyAllDeclarations();
00039         destroyAllBindings();
00040     }
00041     //-----------------------------------------------------------------------
00042     HardwareVertexBufferSharedPtr GLHardwareBufferManager::createVertexBuffer(
00043         size_t vertexSize, size_t numVerts, HardwareBuffer::Usage usage, bool useShadowBuffer)
00044     {
00045         return HardwareVertexBufferSharedPtr(
00046             new GLHardwareVertexBuffer(vertexSize, numVerts, usage, useShadowBuffer) );
00047     }
00048     //-----------------------------------------------------------------------
00049     void GLHardwareBufferManager::destroyVertexBuffer(HardwareVertexBuffer* buf)
00050     {
00051         delete buf;
00052     }
00053     //-----------------------------------------------------------------------
00054     HardwareIndexBufferSharedPtr 
00055     GLHardwareBufferManager:: createIndexBuffer(
00056         HardwareIndexBuffer::IndexType itype, size_t numIndexes, 
00057         HardwareBuffer::Usage usage, bool useShadowBuffer)
00058     {
00059         return HardwareIndexBufferSharedPtr(
00060             new GLHardwareIndexBuffer(itype, numIndexes, usage, useShadowBuffer) );
00061     }
00062     //-----------------------------------------------------------------------
00063     void GLHardwareBufferManager::destroyIndexBuffer(HardwareIndexBuffer* buf)
00064     {
00065         delete buf;
00066     }
00067     //-----------------------------------------------------------------------
00068     VertexDeclaration* GLHardwareBufferManager::createVertexDeclaration(void)
00069     {
00070         VertexDeclaration* decl = new VertexDeclaration();
00071         mVertexDeclarations.push_back(decl);
00072         return decl;
00073     }
00074     //-----------------------------------------------------------------------
00075     void GLHardwareBufferManager::destroyVertexDeclaration(VertexDeclaration* decl)
00076     {
00077         mVertexDeclarations.remove(decl);
00078         delete decl;
00079     }
00080     //---------------------------------------------------------------------
00081     GLenum GLHardwareBufferManager::getGLUsage(unsigned int usage)
00082     {
00083         switch(usage)
00084         {
00085         case HardwareBuffer::HBU_STATIC:
00086             return GL_STATIC_DRAW_ARB;
00087         case HardwareBuffer::HBU_DYNAMIC:
00088         case HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY:
00089         default:
00090             return GL_DYNAMIC_DRAW_ARB;
00091         };
00092     }
00093     //---------------------------------------------------------------------
00094     GLenum GLHardwareBufferManager::getGLType(unsigned int type)
00095     {
00096         switch(type)
00097         {
00098             case VET_FLOAT1:
00099             case VET_FLOAT2:
00100             case VET_FLOAT3:
00101             case VET_FLOAT4:
00102                 return GL_FLOAT;
00103             case VET_SHORT1:
00104             case VET_SHORT2:
00105             case VET_SHORT3:
00106             case VET_SHORT4:
00107                 return GL_SHORT;
00108             case VET_COLOUR:
00109                 return GL_UNSIGNED_BYTE;
00110             default:
00111                 return 0;
00112         };
00113     }
00114 }

Copyright © 2002-2003 by The OGRE Team
Last modified Wed Jan 21 00:10:11 2004