DataBlobImpl: added option to provide custom memory allocator

DiligentGraphics · Nov 3, 2024 · bcd80f6 · bcd80f6
1 parent 5196c52
commit bcd80f6
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Showing 2 changed files with 21 additions and 5 deletions.
diff --git a/Common/interface/DataBlobImpl.hpp b/Common/interface/DataBlobImpl.hpp
@@ -34,6 +34,7 @@
 #include "../../Primitives/interface/BasicTypes.h"
 #include "../../Primitives/interface/DataBlob.h"
 #include "../../Primitives/interface/MemoryAllocator.h"
+#include "STDAllocator.hpp"
 #include "RefCntAutoPtr.hpp"
 #include "ObjectBase.hpp"
 
@@ -47,6 +48,7 @@ class DataBlobImpl final : public Diligent::ObjectBase<IDataBlob>
     typedef ObjectBase<IDataBlob> TBase;
 
     static RefCntAutoPtr<DataBlobImpl> Create(size_t InitialSize = 0, const void* pData = nullptr);
+    static RefCntAutoPtr<DataBlobImpl> Create(IMemoryAllocator* pAllocator, size_t InitialSize = 0, const void* pData = nullptr);
     static RefCntAutoPtr<DataBlobImpl> MakeCopy(const IDataBlob* pDataBlob);
 
     ~DataBlobImpl() override;
@@ -81,10 +83,13 @@ class DataBlobImpl final : public Diligent::ObjectBase<IDataBlob>
     template <typename AllocatorType, typename ObjectType>
     friend class MakeNewRCObj;
 
-    explicit DataBlobImpl(IReferenceCounters* pRefCounters, size_t InitialSize = 0, const void* pData = nullptr);
+    DataBlobImpl(IReferenceCounters* pRefCounters,
+                 IMemoryAllocator&   Allocator,
+                 size_t              InitialSize = 0,
+                 const void*         pData       = nullptr);
 
 private:
-    std::vector<Uint8> m_DataBuff;
+    std::vector<Uint8, STDAllocatorRawMem<Uint8>> m_DataBuff;
 };
 
 class DataBlobAllocatorAdapter final : public IMemoryAllocator

diff --git a/Common/src/DataBlobImpl.cpp b/Common/src/DataBlobImpl.cpp
@@ -27,15 +27,23 @@
 
 #include "pch.h"
 #include "DataBlobImpl.hpp"
+#include "DefaultRawMemoryAllocator.hpp"
 
 #include <cstring>
 
 namespace Diligent
 {
 
+RefCntAutoPtr<DataBlobImpl> DataBlobImpl::Create(IMemoryAllocator* pAllocator, size_t InitialSize, const void* pData)
+{
+    if (pAllocator == nullptr)
+        pAllocator = &DefaultRawMemoryAllocator::GetAllocator();
+    return RefCntAutoPtr<DataBlobImpl>{MakeNewRCObj<DataBlobImpl>()(*pAllocator, InitialSize, pData)};
+}
+
 RefCntAutoPtr<DataBlobImpl> DataBlobImpl::Create(size_t InitialSize, const void* pData)
 {
-    return RefCntAutoPtr<DataBlobImpl>{MakeNewRCObj<DataBlobImpl>()(InitialSize, pData)};
+    return Create(nullptr, InitialSize, pData);
 }
 
 RefCntAutoPtr<DataBlobImpl> DataBlobImpl::MakeCopy(const IDataBlob* pDataBlob)
@@ -46,9 +54,12 @@ RefCntAutoPtr<DataBlobImpl> DataBlobImpl::MakeCopy(const IDataBlob* pDataBlob)
     return Create(pDataBlob->GetSize(), pDataBlob->GetConstDataPtr());
 }
 
-DataBlobImpl::DataBlobImpl(IReferenceCounters* pRefCounters, size_t InitialSize, const void* pData) :
+DataBlobImpl::DataBlobImpl(IReferenceCounters* pRefCounters,
+                           IMemoryAllocator&   Allocator,
+                           size_t              InitialSize,
+                           const void*         pData) :
     TBase{pRefCounters},
-    m_DataBuff(InitialSize)
+    m_DataBuff{InitialSize, Uint8{}, STD_ALLOCATOR_RAW_MEM(Uint8, Allocator, "Allocator for vector<Uint8>")}
 {
     if (!m_DataBuff.empty() && pData != nullptr)
     {