bool
Hd_ImmediateDrawBatch::Validate(bool deepValidation)
{
if (not TF_VERIFY(not _drawItemInstances.empty())) return false;
HdDrawItem const* batchItem = _drawItemInstances.front()->GetDrawItem();
// immediate batch doesn't need to verify buffer array hash unlike indirect
// batch.
if (deepValidation) {
// look through all draw items to be still compatible
size_t numDrawItemInstances = _drawItemInstances.size();
for (size_t item = 0; item < numDrawItemInstances; ++item) {
HdDrawItem const * drawItem
= _drawItemInstances[item]->GetDrawItem();
if (not _IsAggregated(batchItem, drawItem)) {
return false;
}
}
}
return true;
}
bool
HdSt_DrawBatch::Append(HdStDrawItemInstance * drawItemInstance)
{
if (!TF_VERIFY(!_drawItemInstances.empty())) {
return false;
}
// XXX: we'll soon refactor this function out and centralize batch
// bucketing and reordering logic in HdStCommandBuffer.
HdStDrawItem const* drawItem = static_cast<const HdStDrawItem*>(
drawItemInstance->GetDrawItem());
HdStDrawItem const* batchItem = static_cast<const HdStDrawItem*>(
_drawItemInstances.front()->GetDrawItem());
TF_VERIFY(batchItem);
if (_IsAggregated(drawItem, batchItem)) {
drawItemInstance->SetBatchIndex(_drawItemInstances.size());
drawItemInstance->SetBatch(this);
_drawItemInstances.push_back(drawItemInstance);
return true;
} else {
return false;
}
}
