Added a mutex to protect the mesh and BLAS lists in the RayTracingFeatureProcessor

Signed-off-by: dmcdiar <dmcdiar@amazon.com>
2021-09-20 12:13:29 -07:00
parent efce1033bc
commit 154b6dc461
2 changed files with 9 additions and 0 deletions
@@ -89,6 +89,9 @@ namespace AZ
            RHI::Ptr<RHI::Device> device = RHI::RHISystemInterface::Get()->GetDevice();
            uint32_t objectIndex = objectId.GetIndex();

+            // lock the mutex to protect the mesh and BLAS lists
+            AZStd::unique_lock<AZStd::mutex> lock(m_mutex);
+
            MeshMap::iterator itMesh = m_meshes.find(objectIndex);
            if (itMesh == m_meshes.end())
            {
@@ -169,6 +172,9 @@ namespace AZ
                return;
            }

+            // lock the mutex to protect the mesh and BLAS lists
+            AZStd::unique_lock<AZStd::mutex> lock(m_mutex);
+
            MeshMap::iterator itMesh = m_meshes.find(objectId.GetIndex());
            if (itMesh != m_meshes.end())
            {
@@ -223,6 +223,9 @@ namespace AZ
            // cached TransformServiceFeatureProcessor
            TransformServiceFeatureProcessor* m_transformServiceFeatureProcessor = nullptr;

+            // mutex for the mesh and BLAS lists
+            AZStd::mutex m_mutex;
+
            // structure for data in the m_meshInfoBuffer, shaders that use the buffer must match this type
            struct MeshInfo
            {