| 1 | /* |
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| 2 | ----------------------------------------------------------------------------- |
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| 3 | This source file is part of OGRE |
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| 4 | (Object-oriented Graphics Rendering Engine) |
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| 5 | For the latest info, see http://www.ogre3d.org/ |
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| 6 | |
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| 7 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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| 8 | Also see acknowledgements in Readme.html |
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| 9 | |
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| 10 | This program is free software; you can redistribute it and/or modify it under |
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software |
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| 12 | Foundation; either version 2 of the License, or (at your option) any later |
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| 13 | version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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| 18 | |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with |
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
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| 22 | http://www.gnu.org/copyleft/lesser.txt. |
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| 23 | |
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| 24 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreStableHeaders.h" |
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| 30 | #include "OgreHardwareIndexBuffer.h" |
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| 31 | #include "OgreHardwareBufferManager.h" |
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| 32 | #include "OgreDefaultHardwareBufferManager.h" |
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| 33 | |
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| 34 | |
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| 35 | namespace Ogre { |
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| 36 | |
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| 37 | //----------------------------------------------------------------------------- |
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| 38 | HardwareIndexBuffer::HardwareIndexBuffer(IndexType idxType, |
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| 39 | size_t numIndexes, HardwareBuffer::Usage usage, |
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| 40 | bool useSystemMemory, bool useShadowBuffer) |
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| 41 | : HardwareBuffer(usage, useSystemMemory, useShadowBuffer), mIndexType(idxType), mNumIndexes(numIndexes) |
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| 42 | { |
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| 43 | // Calculate the size of the indexes |
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| 44 | switch (mIndexType) |
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| 45 | { |
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| 46 | case IT_16BIT: |
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| 47 | mIndexSize = sizeof(unsigned short); |
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| 48 | break; |
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| 49 | case IT_32BIT: |
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| 50 | mIndexSize = sizeof(unsigned int); |
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| 51 | break; |
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| 52 | } |
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| 53 | mSizeInBytes = mIndexSize * mNumIndexes; |
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| 54 | |
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| 55 | // Create a shadow buffer if required |
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| 56 | if (mUseShadowBuffer) |
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| 57 | { |
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| 58 | mpShadowBuffer = new DefaultHardwareIndexBuffer(mIndexType, |
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| 59 | mNumIndexes, HardwareBuffer::HBU_DYNAMIC); |
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| 60 | } |
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| 61 | |
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| 62 | |
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| 63 | } |
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| 64 | //----------------------------------------------------------------------------- |
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| 65 | HardwareIndexBuffer::~HardwareIndexBuffer() |
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| 66 | { |
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| 67 | HardwareBufferManager* mgr = HardwareBufferManager::getSingletonPtr(); |
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| 68 | if (mgr) |
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| 69 | { |
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| 70 | mgr->_notifyIndexBufferDestroyed(this); |
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| 71 | } |
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| 72 | |
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| 73 | if (mpShadowBuffer) |
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| 74 | { |
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| 75 | delete mpShadowBuffer; |
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| 76 | } |
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| 77 | } |
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| 78 | //----------------------------------------------------------------------------- |
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| 79 | HardwareIndexBufferSharedPtr::HardwareIndexBufferSharedPtr(HardwareIndexBuffer* buf) |
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| 80 | : SharedPtr<HardwareIndexBuffer>(buf) |
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| 81 | { |
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| 82 | |
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| 83 | } |
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| 84 | |
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| 85 | } |
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| 86 | |
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