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Replace HWBufferMap with a list and back pointers (#99)

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This commit is contained in:
paradust7
2022-04-29 03:04:22 -07:00
committed by GitHub
parent c9b66c8c58
commit ba0396e93d
8 changed files with 56 additions and 38 deletions
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37
source/Irrlicht/CNullDriver.cpp
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@ -1689,9 +1689,9 @@ CNullDriver::SHWBufferLink *CNullDriver::getBufferLink(const scene::IMeshBuffer*
return 0;
//search for hardware links
core::map< const scene::IMeshBuffer*,SHWBufferLink* >::Node* node = HWBufferMap.find(mb);
if (node)
return node->getValue();
SHWBufferLink *HWBuffer = reinterpret_cast<SHWBufferLink*>(mb->getHWBuffer());
if (HWBuffer)
return HWBuffer;
return createHardwareBuffer(mb); //no hardware links, and mesh wants one, create it
}
@ -1700,20 +1700,13 @@ CNullDriver::SHWBufferLink *CNullDriver::getBufferLink(const scene::IMeshBuffer*
//! Update all hardware buffers, remove unused ones
void CNullDriver::updateAllHardwareBuffers()
{
core::map<const scene::IMeshBuffer*,SHWBufferLink*>::ParentFirstIterator Iterator=HWBufferMap.getParentFirstIterator();
auto it = HWBufferList.begin();
while (it != HWBufferList.end()) {
SHWBufferLink *Link = *it;
++it;
for (;!Iterator.atEnd();Iterator++)
{
SHWBufferLink *Link=Iterator.getNode()->getValue();
Link->LastUsed++;
if (Link->LastUsed>20000)
{
if (!Link->MeshBuffer || Link->MeshBuffer->getReferenceCount() == 1)
deleteHardwareBuffer(Link);
// todo: needs better fix
Iterator = HWBufferMap.getParentFirstIterator();
}
}
}
@ -1722,7 +1715,7 @@ void CNullDriver::deleteHardwareBuffer(SHWBufferLink *HWBuffer)
{
if (!HWBuffer)
return;
HWBufferMap.remove(HWBuffer->MeshBuffer);
HWBufferList.erase(HWBuffer->listPosition);
delete HWBuffer;
}
@ -1730,17 +1723,19 @@ void CNullDriver::deleteHardwareBuffer(SHWBufferLink *HWBuffer)
//! Remove hardware buffer
void CNullDriver::removeHardwareBuffer(const scene::IMeshBuffer* mb)
{
core::map<const scene::IMeshBuffer*,SHWBufferLink*>::Node* node = HWBufferMap.find(mb);
if (node)
deleteHardwareBuffer(node->getValue());
if (!mb)
return;
SHWBufferLink *HWBuffer = reinterpret_cast<SHWBufferLink*>(mb->getHWBuffer());
if (HWBuffer)
deleteHardwareBuffer(HWBuffer);
}
//! Remove all hardware buffers
void CNullDriver::removeAllHardwareBuffers()
{
while (HWBufferMap.size())
deleteHardwareBuffer(HWBufferMap.getRoot()->getValue());
while (!HWBufferList.empty())
deleteHardwareBuffer(HWBufferList.front());
}