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Use more appropriate VBO settings

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Unskinned meshes don't need dynamic VBOs; they aren't rewritten since their
transformations are handled by the modelview matrix. They also don't need the
local RAM copy (the "shadow buffer") since it's really only useful for skinning
purposes (though this means the VBO has to be readable for static geometry to
work).
This commit is contained in:
Chris Robinson 2013-04-03 04:33:56 -07:00
parent 62d70f17c8
commit 97d617d43f
1 changed files with 10 additions and 8 deletions
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18
components/nifogre/ogrenifloader.cpp
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@ -845,8 +845,13 @@ class NIFMeshLoader : Ogre::ManualResourceLoader
const Nif::NiSkinInstance *skin = (shape->skin.empty() ? NULL : shape->skin.getPtr());
std::vector<Ogre::Vector3> srcVerts = data->vertices;
std::vector<Ogre::Vector3> srcNorms = data->normals;
Ogre::HardwareBuffer::Usage vertUsage = Ogre::HardwareBuffer::HBU_STATIC;
bool vertShadowBuffer = false;
if(skin != NULL)
{
vertUsage = Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY;
vertShadowBuffer = true;
// Only set a skeleton when skinning. Unskinned meshes with a skeleton will be
// explicitly attached later.
mesh->setSkeletonName(mName);
@ -948,8 +953,7 @@ class NIFMeshLoader : Ogre::ManualResourceLoader
if(srcVerts.size())
{
vbuf = hwBufMgr->createVertexBuffer(Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3),
srcVerts.size(), Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY,
true);
srcVerts.size(), vertUsage, vertShadowBuffer);
vbuf->writeData(0, vbuf->getSizeInBytes(), &srcVerts[0][0], true);
decl->addElement(nextBuf, 0, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
@ -960,8 +964,7 @@ class NIFMeshLoader : Ogre::ManualResourceLoader
if(srcNorms.size())
{
vbuf = hwBufMgr->createVertexBuffer(Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3),
srcNorms.size(), Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY,
true);
srcNorms.size(), vertUsage, vertShadowBuffer);
vbuf->writeData(0, vbuf->getSizeInBytes(), &srcNorms[0][0], true);
decl->addElement(nextBuf, 0, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
@ -980,8 +983,7 @@ class NIFMeshLoader : Ogre::ManualResourceLoader
rs->convertColourValue(clr, &colorsRGB[i]);
}
vbuf = hwBufMgr->createVertexBuffer(Ogre::VertexElement::getTypeSize(Ogre::VET_COLOUR),
colorsRGB.size(), Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY,
true);
colorsRGB.size(), Ogre::HardwareBuffer::HBU_STATIC);
vbuf->writeData(0, vbuf->getSizeInBytes(), &colorsRGB[0], true);
decl->addElement(nextBuf, 0, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE);
bind->setBinding(nextBuf++, vbuf);
@ -993,7 +995,7 @@ class NIFMeshLoader : Ogre::ManualResourceLoader
{
size_t elemSize = Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
vbuf = hwBufMgr->createVertexBuffer(elemSize, srcVerts.size()*numUVs,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY, true);
Ogre::HardwareBuffer::HBU_STATIC);
for(size_t i = 0;i < numUVs;i++)
{
const std::vector<Ogre::Vector2> &uvlist = data->uvlist[i];
@ -1009,7 +1011,7 @@ class NIFMeshLoader : Ogre::ManualResourceLoader
if(srcIdx.size())
{
ibuf = hwBufMgr->createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT, srcIdx.size(),
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
Ogre::HardwareBuffer::HBU_STATIC);
ibuf->writeData(0, ibuf->getSizeInBytes(), &srcIdx[0], true);
sub->indexData->indexBuffer = ibuf;
sub->indexData->indexCount = srcIdx.size();