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Use one vertex buffer for all UV coordinates

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This commit is contained in:
scrawl 2013-04-23 22:47:21 +02:00
parent a608e7ed06
commit 44ac0a7c18
1 changed files with 16 additions and 5 deletions
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21
components/nifogre/mesh.cpp
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@ -260,13 +260,24 @@ void NIFMeshLoader::createSubMesh(Ogre::Mesh *mesh, const Nif::NiTriShape *shape
// Texture UV coordinates
size_t numUVs = data->uvlist.size();
for(size_t i = 0;i < numUVs;i++)
if (numUVs)
{
vbuf = hwBufMgr->createVertexBuffer(Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2),
srcVerts.size(), Ogre::HardwareBuffer::HBU_STATIC);
vbuf->writeData(0, vbuf->getSizeInBytes(), &data->uvlist[i][0], true);
size_t elemSize = Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
for(size_t i = 0; i < numUVs; i++)
decl->addElement(nextBuf, elemSize*i, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, i);
vbuf = hwBufMgr->createVertexBuffer(decl->getVertexSize(nextBuf), srcVerts.size(),
Ogre::HardwareBuffer::HBU_STATIC);
std::vector<Ogre::Vector2> allUVs;
allUVs.reserve(srcVerts.size()*numUVs);
for (size_t vert = 0; vert<srcVerts.size(); ++vert)
for(size_t i = 0; i < numUVs; i++)
allUVs.push_back(data->uvlist[i][vert]);
vbuf->writeData(0, elemSize*srcVerts.size()*numUVs, &allUVs[0], true);
decl->addElement(nextBuf, 0, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, i);
bind->setBinding(nextBuf++, vbuf);
}