added funtion to get request allocated size needed for vulkan allocat…

…ors.

newton-4.00/sdk/dCore/ndMemory.cpp

@@ -36,51 +36,51 @@ class ndMemoryHeader
 	ndUnsigned32 m_requestedSize;
 };
 
-#define ndGetBufferPaddingSize size_t(D_MEMORY_ALIGMNET - 1 + sizeof (ndMemoryHeader))
+#define ndGetBufferPaddingInBytes size_t(D_MEMORY_ALIGMNET - 1 + sizeof (ndMemoryHeader))
 
 size_t ndMemory::CalculateBufferSize(size_t size)
 {
-	return size + ndGetBufferPaddingSize;
+	return size + ndGetBufferPaddingInBytes;
 }
 
-void* ndMemory::Malloc(size_t requestSize)
+void* ndMemory::Malloc(size_t size)
 {
 	ndIntPtr metToVal;
-	size_t size = requestSize + ndGetBufferPaddingSize;
-	metToVal.m_ptr = m_allocMemory(size);
-	ndUnsigned64 val = ndUnsigned64(metToVal.m_int) + ndGetBufferPaddingSize;
+	size_t bufferSize = size + ndGetBufferPaddingInBytes;
+	metToVal.m_ptr = m_allocMemory(bufferSize);
+	ndUnsigned64 val = ndUnsigned64(metToVal.m_int) + ndGetBufferPaddingInBytes;
 	ndInt64 mask = -ndInt64(D_MEMORY_ALIGMNET);
 	val = val & mask;
 	ndMemoryHeader* const ret = (ndMemoryHeader*)val;
 	ndMemoryHeader* const info = ret - 1;
 	ndAssert((char*)info >= (char*)metToVal.m_ptr);
 	info->m_ptr = metToVal.m_ptr;
-	info->m_bufferSize = ndUnsigned32 (size);
-	info->m_requestedSize = ndUnsigned32(requestSize);
-	m_memoryUsed.fetch_add(size);
+	info->m_bufferSize = ndUnsigned32 (bufferSize);
+	info->m_requestedSize = ndUnsigned32(size);
+	m_memoryUsed.fetch_add(bufferSize);
 	return ret;
 }
 
 void ndMemory::Free(void* const ptr)
 {
 	if (ptr)
 	{
-		ndMemoryHeader* const ret = ((ndMemoryHeader*)ptr) - 1;
-		m_memoryUsed.fetch_sub(ndUnsigned64(ret->m_bufferSize));
-		m_freeMemory(ret->m_ptr);
+		ndMemoryHeader* const info = ((ndMemoryHeader*)ptr) - 1;
+		m_memoryUsed.fetch_sub(ndUnsigned64(info->m_bufferSize));
+		m_freeMemory(info->m_ptr);
 	}
 }
 
 size_t ndMemory::GetSize(void* const ptr)
 {
-	ndMemoryHeader* const ret = ((ndMemoryHeader*)ptr) - 1;
-	return ret->m_bufferSize;
+	ndMemoryHeader* const info = ((ndMemoryHeader*)ptr) - 1;
+	return info->m_bufferSize;
 }
 
 size_t ndMemory::GetOriginalSize(void* const ptr)
 {
-	ndMemoryHeader* const ret = ((ndMemoryHeader*)ptr) - 1;
-	return ret->m_requestedSize;
+	ndMemoryHeader* const info = ((ndMemoryHeader*)ptr) - 1;
+	return info->m_requestedSize;
 }
 
 ndUnsigned64 ndMemory::GetMemoryUsed()
@@ -90,12 +90,12 @@ ndUnsigned64 ndMemory::GetMemoryUsed()
 
 void ndMemory::SetMemoryAllocators(ndMemAllocCallback alloc, ndMemFreeCallback free)
 {
-	m_allocMemory = alloc;
 	m_freeMemory = free;
+	m_allocMemory = alloc;
 }
 
 void ndMemory::GetMemoryAllocators(ndMemAllocCallback& alloc, ndMemFreeCallback& free)
 {
-	alloc = m_allocMemory;
 	free = m_freeMemory;
+	alloc = m_allocMemory;
 }