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use cycle_2()

This commit is contained in:
David Rose 2006-02-06 19:51:14 +00:00
parent 7a6cda9915
commit 3e4d735cea
1 changed files with 51 additions and 16 deletions
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67
panda/src/putil/pipeline.cxx
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@ -63,30 +63,65 @@ cycle() {
saved_cdatas.reserve(_dirty_cyclers.size());
{
ReMutexHolder holder(_lock);
if (_num_stages == 1) {
// No need to cycle if there's only one stage.
nassertv(_dirty_cyclers.empty());
return;
}
nassertv(!_cycling);
_cycling = true;
Cyclers next_dirty_cyclers;
Cyclers::iterator ci;
for (ci = _dirty_cyclers.begin(); ci != _dirty_cyclers.end(); ++ci) {
PipelineCyclerTrueImpl *cycler = (*ci);
ReMutexHolder holder2(cycler->_lock);
// We save the result of cycle(), so that we can defer the
// side-effects that might occur when CycleDatas destruct, at
// least until the end of this loop.
saved_cdatas.push_back(cycler->cycle());
if (cycler->_dirty) {
// The cycler is still dirty after cycling. Preserve it in the
// set for next time.
bool inserted = next_dirty_cyclers.insert(cycler).second;
nassertv(inserted);
switch (_num_stages) {
case 2:
for (ci = _dirty_cyclers.begin(); ci != _dirty_cyclers.end(); ++ci) {
PipelineCyclerTrueImpl *cycler = (*ci);
ReMutexHolder holder2(cycler->_lock);
// We save the result of cycle(), so that we can defer the
// side-effects that might occur when CycleDatas destruct, at
// least until the end of this loop.
saved_cdatas.push_back(cycler->cycle_2());
if (cycler->_dirty) {
// The cycler is still dirty after cycling. Preserve it in the
// set for next time.
bool inserted = next_dirty_cyclers.insert(cycler).second;
nassertv(inserted);
}
}
break;
case 3:
for (ci = _dirty_cyclers.begin(); ci != _dirty_cyclers.end(); ++ci) {
PipelineCyclerTrueImpl *cycler = (*ci);
ReMutexHolder holder2(cycler->_lock);
saved_cdatas.push_back(cycler->cycle_3());
if (cycler->_dirty) {
bool inserted = next_dirty_cyclers.insert(cycler).second;
nassertv(inserted);
}
}
break;
default:
for (ci = _dirty_cyclers.begin(); ci != _dirty_cyclers.end(); ++ci) {
PipelineCyclerTrueImpl *cycler = (*ci);
ReMutexHolder holder2(cycler->_lock);
saved_cdatas.push_back(cycler->cycle());
if (cycler->_dirty) {
bool inserted = next_dirty_cyclers.insert(cycler).second;
nassertv(inserted);
}
}
break;
}
// Finally, we're ready for the next frame.
_dirty_cyclers.swap(next_dirty_cyclers);
_cycling = false;