Coverage Report

Created: 2026-01-17 06:50

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/ogre/OgreMain/src/OgreDefaultHardwareBufferManager.cpp
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/*
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-----------------------------------------------------------------------------
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This source file is part of OGRE
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(Object-oriented Graphics Rendering Engine)
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For the latest info, see http://www.ogre3d.org/
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Copyright (c) 2000-2014 Torus Knot Software Ltd
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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-----------------------------------------------------------------------------
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*/
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#include "OgreStableHeaders.h"
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#include "OgreDefaultHardwareBufferManager.h"
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namespace Ogre {
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    DefaultHardwareBuffer::DefaultHardwareBuffer(size_t sizeInBytes)
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    : HardwareBuffer(HBU_CPU_ONLY, false) // always software, never shadowed
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    {
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        mSizeInBytes = sizeInBytes;
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        // Allocate aligned memory for better SIMD processing friendly.
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        mData = (uchar*)AlignedMemory::allocate(mSizeInBytes);
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    }
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    //-----------------------------------------------------------------------
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    DefaultHardwareBuffer::~DefaultHardwareBuffer()
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    {
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        AlignedMemory::deallocate(mData);
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    }
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    //-----------------------------------------------------------------------
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    void* DefaultHardwareBuffer::lockImpl(size_t offset, size_t length, LockOptions options)
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    {
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        // Only for use internally, no 'locking' as such
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        return mData + offset;
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    }
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    //-----------------------------------------------------------------------
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    void DefaultHardwareBuffer::unlockImpl(void)
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    {
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        // Nothing to do
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    }
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    //-----------------------------------------------------------------------
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    void DefaultHardwareBuffer::readData(size_t offset, size_t length, void* pDest)
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    {
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        assert((offset + length) <= mSizeInBytes);
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        memcpy(pDest, mData + offset, length);
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    }
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    //-----------------------------------------------------------------------
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    void DefaultHardwareBuffer::writeData(size_t offset, size_t length, const void* pSource,
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                                          bool discardWholeBuffer)
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    {
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        assert((offset + length) <= mSizeInBytes);
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        // ignore discard, memory is not guaranteed to be zeroised
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        memcpy(mData + offset, pSource, length);
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    }
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    //-----------------------------------------------------------------------
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    DefaultHardwareBufferManagerBase::DefaultHardwareBufferManagerBase()
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    {
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    }
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    //-----------------------------------------------------------------------
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    DefaultHardwareBufferManagerBase::~DefaultHardwareBufferManagerBase()
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    {
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        destroyAllDeclarations();
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        destroyAllBindings(); 
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    }
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    //-----------------------------------------------------------------------
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    HardwareVertexBufferSharedPtr 
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        DefaultHardwareBufferManagerBase::createVertexBuffer(size_t vertexSize, 
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        size_t numVerts, HardwareBuffer::Usage usage, bool useShadowBuffer)
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    {
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        return std::make_shared<HardwareVertexBuffer>(this, vertexSize, numVerts,
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                                                      new DefaultHardwareBuffer(vertexSize * numVerts));
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    }
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    //-----------------------------------------------------------------------
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    HardwareIndexBufferSharedPtr 
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        DefaultHardwareBufferManagerBase::createIndexBuffer(HardwareIndexBuffer::IndexType itype, 
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        size_t numIndexes, HardwareBuffer::Usage usage, bool useShadowBuffer)
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    {
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        return std::make_shared<HardwareIndexBuffer>(
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            this, itype, numIndexes,
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            new DefaultHardwareBuffer(HardwareIndexBuffer::indexSize(itype) * numIndexes));
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    }
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}