FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added handling of resetting of the texture object format

Browse Source
This commit is contained in:
Robert Osfield
2009-09-27 15:14:57 +00:00
parent e59f654290
commit 1fce3c0ad1
3 changed files with 87 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
src/osg/Texture.cpp
View File

@@ -76,6 +76,32 @@ void Texture::TextureObject::bind()
if (_set) _set->moveToBack(this);
}
void Texture::TextureObject::setAllocated(GLint numMipmapLevels,
GLenum internalFormat,
GLsizei width,
GLsizei height,
GLsizei depth,
GLint border)
{
_allocated=true;
if (!match(_profile._target,numMipmapLevels,internalFormat,width,height,depth,border))
{
_profile.set(numMipmapLevels,internalFormat,width,height,depth,border);
if (_set)
{
// remove self from original set
_set->remove(this);
// get the new set for the new profile
_set = _set->getParent()->getTextureObjectSet(_profile);
// register self with new set.
_set->addToBack(this);
}
}
}
void Texture::TextureProfile::computeSize()
{
unsigned int numBitsPerTexel = 32;
@@ -209,29 +235,7 @@ void Texture::TextureObjectSet::handlePendingOrphandedTextureObjects()
_orphanedTextureObjects.push_back(to);
if (to->_previous!=0)
{
(to->_previous)->_next = to->_next;
}
else
{
// 'to' was head so assign _head to the next in list
_head = to->_next;
}
if (to->_next!=0)
{
(to->_next)->_previous = to->_previous;
}
else
{
// 'to' was tail so assing tail to the previous in list
_tail = to->_previous;
}
// reset the 'to' list pointers as it's no longer in the active list.
to->_next = 0;
to->_previous = 0;
remove(to);
#if 0
osg::notify(osg::NOTICE)<<" HPOTO after _head = "<<_head<<std::endl;
@@ -571,6 +575,34 @@ void Texture::TextureObjectSet::orphan(Texture::TextureObject* to)
#endif
}
void Texture::TextureObjectSet::remove(Texture::TextureObject* to)
{
if (to->_previous!=0)
{
(to->_previous)->_next = to->_next;
}
else
{
// 'to' was head so assign _head to the next in list
_head = to->_next;
}
if (to->_next!=0)
{
(to->_next)->_previous = to->_previous;
}
else
{
// 'to' was tail so assing tail to the previous in list
_tail = to->_previous;
}
// reset the 'to' list pointers as it's no longer in the active list.
to->_next = 0;
to->_previous = 0;
}
Texture::TextureObjectManager::TextureObjectManager(unsigned int contextID):
_contextID(contextID),
_numActiveTextureObjects(0),
@@ -631,9 +663,15 @@ Texture::TextureObject* Texture::TextureObjectManager::generateTextureObject(con
++getNumberGenerated();
Texture::TextureProfile profile(target,numMipmapLevels,internalFormat,width,height,depth,border);
TextureObjectSet* tos = getTextureObjectSet(profile);
return tos->takeOrGenerate(const_cast<Texture*>(texture));
}
Texture::TextureObjectSet* Texture::TextureObjectManager::getTextureObjectSet(const TextureProfile& profile)
{
osg::ref_ptr<Texture::TextureObjectSet>& tos = _textureSetMap[profile];
if (!tos) tos = new Texture::TextureObjectSet(this, profile);
return tos->takeOrGenerate(const_cast<Texture*>(texture));
return tos.get();
}
void Texture::TextureObjectManager::handlePendingOrphandedTextureObjects()