BeeEngine/glslang-zig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Generate vector constructions more efficiently when sizes match

Browse source 
When two vectors are the same size, there is no need to extract the
components and construct a new vector.
This commit is contained in:
Arcady Goldmints-Orlov 2024-06-21 14:07:50 -04:00 • committed by arcady-lunarg
parent 2d8b71fc63
commit 33d517470e
13 changed files with 1777 additions and 1867 deletions
Download patch file Download diff file Expand all files Collapse all files

6
SPIRV/SpvBuilder.cpp
View file

@ -3424,6 +3424,12 @@ Id Builder::createConstructor(Decoration precision, const std::vector<Id>& sourc
if (sources.size() == 1 && isScalar(sources[0]) && numTargetComponents > 1)
return smearScalar(precision, sources[0], resultTypeId);
// Special case: 2 vectors of equal size
if (sources.size() == 1 && isVector(sources[0]) && numTargetComponents == getNumComponents(sources[0])) {
assert(resultTypeId == getTypeId(sources[0]));
return sources[0];
}
// accumulate the arguments for OpCompositeConstruct
std::vector<Id> constituents;
Id scalarTypeId = getScalarTypeId(resultTypeId);