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[dxvk] Validate primitive topology in pipeline state

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Philip Rebohle 2019-09-23 15:19:46 +02:00
parent f38cfd592e
commit e8055f81df
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1 changed files with 6 additions and 1 deletions
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7
src/dxvk/dxvk_graphics.cpp
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@ -490,7 +490,12 @@ namespace dxvk {
// If there are no tessellation shaders, we
// obviously cannot use tessellation patches.
if ((state.iaPatchVertexCount != 0) && (m_shaders.tcs == nullptr || m_shaders.tes == nullptr))
if ((state.iaPrimitiveTopology == VK_PRIMITIVE_TOPOLOGY_PATCH_LIST)
&& (m_shaders.tcs == nullptr || m_shaders.tes == nullptr))
return false;
// Filter out undefined primitive topologies
if (state.iaPrimitiveTopology == VK_PRIMITIVE_TOPOLOGY_MAX_ENUM)
return false;
// Prevent unintended out-of-bounds access to the IL arrays