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Handle buffers created in new state with undefined layout

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* These can implicitly be transitioned to old states even though the spec says
  resources must go via COMMON - because there is no way to do that for new
  buffers.
This commit is contained in:
baldurk
2025-09-23 10:16:03 +01:00
parent de1fd89591
commit 3d1e78ba17
1 changed files with 8 additions and 2 deletions
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renderdoc/driver/d3d12/d3d12_manager.cpp
+8 -2
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@@ -3764,7 +3764,8 @@ void D3D12ResourceManager::ApplyBarriers(BarrierSet &barriers,
void AddStateResetBarrier(D3D12ResourceLayout srcState, D3D12ResourceLayout dstState,
ID3D12Resource *res, UINT subresource, BarrierSet &barriers)
{
if(srcState.IsStates() && dstState.IsStates())
if((srcState.IsStates() || srcState.ToLayout() == D3D12_BARRIER_LAYOUT_UNDEFINED) &&
dstState.IsStates())
{
D3D12_RESOURCE_BARRIER b;
b.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
@@ -3774,7 +3775,12 @@ void AddStateResetBarrier(D3D12ResourceLayout srcState, D3D12ResourceLayout dstS
b.Transition.StateBefore = srcState.ToStates();
b.Transition.StateAfter = dstState.ToStates();
barriers.barriers.push_back(b);
if(srcState.ToLayout() == D3D12_BARRIER_LAYOUT_UNDEFINED)
b.Transition.StateBefore = D3D12_RESOURCE_STATE_COMMON;
// could now be identical after silently promoting the before state.
if(b.Transition.StateBefore != b.Transition.StateAfter)
barriers.barriers.push_back(b);
}
else if(srcState.IsLayout() && dstState.IsLayout())
{