125 lines
3.3 KiB
C++
125 lines
3.3 KiB
C++
/****************************************************************************
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Copyright (c) 2007, Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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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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#include "stdneb.h"
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#include "core/types.h"
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#include "VertexLayout.h"
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#include "util/array.h"
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namespace RenderBase
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{
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__ImplementClass(VertexLayout, 'VXLB', Core::RefCounted);
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using namespace Util;
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//------------------------------------------------------------------------------
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/**
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*/
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VertexLayout::VertexLayout() :
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vertexByteSize(0)
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{
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// empty
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}
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//------------------------------------------------------------------------------
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/**
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*/
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VertexLayout::~VertexLayout()
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{
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if (this->IsValid())
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{
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Discard();
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}
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n_assert(!this->IsValid());
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}
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void VertexLayout::CopyFrom(const VertexLayout* vl)
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{
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components = vl->components;
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vertexByteSize = vl->vertexByteSize;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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String
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VertexLayout::BuildSignature(const Array<VertexComponent>& comps)
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{
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n_assert(comps.Size() > 0);
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String sig;
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IndexT i;
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for (i = 0; i < comps.Size(); i++)
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{
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sig.Append(comps[i].GetSignature());
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}
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return sig;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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VertexLayout::Setup(const Array<VertexComponent>& comps)
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{
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n_assert(comps.Size() > 0);
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n_assert(!this->IsValid());
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n_assert(0 == this->vertexByteSize);
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this->components = comps;
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this->vertexByteSize = VertexComponent::BuildComponentsOffsetAndSize(this->components);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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VertexLayout::Discard()
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{
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if(this->IsValid())
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{
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this->components.Clear();
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this->vertexByteSize = 0;
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}
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}
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//------------------------------------------------------------------------------
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/**
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*/
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IndexT
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VertexLayout::FindComponent(VertexComponent::SemanticName semName, IndexT semIndex) const
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{
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IndexT i;
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for (i = 0; i < this->components.Size(); i++)
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{
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const VertexComponent& cur = this->components[i];
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if ((cur.GetSemanticName() == semName) && (cur.GetSemanticIndex() == semIndex))
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{
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return i;
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}
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}
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// fallthrough: not found
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return InvalidIndex;
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}
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} |