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Try to minimise redundant barriers with resources with many subresources

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baldurk
2024-11-13 15:33:21 +00:00
parent 38c52c3367
commit 52d62bb7de
1 changed files with 28 additions and 2 deletions
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renderdoc/driver/d3d12/d3d12_common.cpp
+28 -2
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@@ -161,8 +161,22 @@ void BarrierSet::Configure(ID3D12Resource *res, const SubresourceStateVector &st
break;
}
barriers.reserve(states.size());
newBarriers.reserve(states.size());
bool different = false;
for(size_t i = 1; i < states.size(); i++)
{
if(states[i] != states[0])
{
different = true;
break;
}
}
if(different)
{
barriers.reserve(states.size());
newBarriers.reserve(states.size());
}
for(size_t i = 0; i < states.size(); i++)
{
if(states[i].IsStates())
@@ -183,7 +197,13 @@ void BarrierSet::Configure(ID3D12Resource *res, const SubresourceStateVector &st
b.Transition.Subresource = (UINT)i;
b.Transition.StateAfter = resourceState;
if(!different)
b.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
barriers.push_back(b);
if(!different)
break;
}
// buffers don't need any transitions with the new layouts
else if(!isBuffer)
@@ -213,7 +233,13 @@ void BarrierSet::Configure(ID3D12Resource *res, const SubresourceStateVector &st
b.Subresources.IndexOrFirstMipLevel = (UINT)i;
b.pResource = res;
if(!different)
b.Subresources.IndexOrFirstMipLevel = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
newBarriers.push_back(b);
if(!different)
break;
}
}
}