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[dxbc] Always allocate at least one input array element

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Turns out that shaders with no inputs can still have an input signature,
in which case we were generating a zero-length array which is illegal.
This commit is contained in:
Philip Rebohle 2019-10-26 23:13:59 +02:00
parent 20f79a754b
commit 144f4badef
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1 changed files with 1 additions and 1 deletions
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src/dxbc/dxbc_compiler.cpp
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@ -7039,7 +7039,7 @@ namespace dxvk {
// Define the array type. This will be two-dimensional
// in some shaders, with the outer index representing
// the vertex ID within an invocation.
m_vArrayLength = m_isgn != nullptr ? m_isgn->maxRegisterCount() : 1;
m_vArrayLength = m_isgn != nullptr ? std::max(1u, m_isgn->maxRegisterCount()) : 1;
m_vArrayLengthId = m_module.lateConst32(getScalarTypeId(DxbcScalarType::Uint32));
uint32_t vectorTypeId = getVectorTypeId(info);