std::string GetOpVecInfo(const OpRcPtrVec & ops)
{
std::ostringstream os;
os << "Size " << ops.size() << std::endl;
for(OpRcPtrVec::size_type i = 0, size = ops.size(); i < size; ++i)
{
os << "Index " << i << " -- " << *ops[i] << std::endl;
os << " supportsGPUShader: " << ops[i]->supportsGpuShader() << std::endl;
os << " cacheID " << ops[i]->getCacheID() << std::endl;
}
return os.str();
}
void FinalizeOpVec(OpRcPtrVec & ops)
{
for(OpRcPtrVec::size_type i = 0, size = ops.size(); i < size; ++i)
{
ops[i]->finalize();
}
}
bool IsOpVecNoOp(const OpRcPtrVec & ops)
{
for(OpRcPtrVec::size_type i = 0, size = ops.size(); i < size; ++i)
{
if(!ops[i]->isNoOp()) return false;
}
return true;
}
std::string SerializeOpVec(const OpRcPtrVec & ops, int indent)
{
std::ostringstream os;
for(OpRcPtrVec::size_type i = 0, size = ops.size(); i < size; ++i)
{
os << pystring::mul(" ", indent);
os << "Op " << i << ": " << *ops[i] << " ";
os << ops[i]->getCacheID() << " supports_gpu:" << ops[i]->supportsGpuShader();
os << "\n";
}
return os.str();
}
void FinalizeOpVec(OpRcPtrVec & ops, bool optimize)
{
// TODO: Add envvar to force disable optimizations
if(optimize)
{
OptimizeOpVec(ops);
}
for(OpRcPtrVec::size_type i = 0, size = ops.size(); i < size; ++i)
{
ops[i]->finalize();
}
}
int CombineOps(OpRcPtrVec & opVec)
{
int count = 0;
int firstindex = 0; // this must be a signed int
OpRcPtrVec tmpops;
while(firstindex < static_cast<int>(opVec.size()-1))
{
ConstOpRcPtr first = opVec[firstindex];
ConstOpRcPtr second = opVec[firstindex+1];
if(first->canCombineWith(second))
{
tmpops.clear();
first->combineWith(tmpops, second);
// tmpops may have any number of ops in it. (0, 1, 2, ...)
// (size 0 would occur potentially iff the combination
// results in a no-op)
//
// No matter the number, we need to swap them in for the
// original ops
// Erase the initial two ops we've combined
opVec.erase(opVec.begin() + firstindex,
opVec.begin() + firstindex + 2);
// Insert the new ops (which may be empty) at
// this location
std::copy(tmpops.begin(), tmpops.end(),
std::inserter(opVec, opVec.begin() + firstindex));
// Decrement firstindex by 1,
// to backstep and reconsider the A, A' case.
// See RemoveInverseOps for the full discussion of
// why this is appropriate
firstindex = std::max(0, firstindex-1);
// We've done something so increment the count!
++count;
}
else
{
++firstindex;
}
}
return count;
}