/**
* Get the index of a memory type that has all the requested property bits set
*
* @param typeBits Bitmask with bits set for each memory type supported by the resource to request for (from VkMemoryRequirements)
* @param properties Bitmask of properties for the memory type to request
* @param (Optional) memTypeFound Pointer to a bool that is set to true if a matching memory type has been found
*
* @return Index of the requested memory type
*
* @throw Throws an exception if memTypeFound is null and no memory type could be found that supports the requested properties
*/
public uint getMemoryType(uint typeBits, VkMemoryPropertyFlagBits properties, uint *memTypeFound = null)
{
for (uint i = 0; i < MemoryProperties.memoryTypeCount; i++)
{
if ((typeBits & 1) == 1)
{
if ((MemoryProperties.GetMemoryType(i).propertyFlags & properties) == properties)
{
if (memTypeFound != null)
{
*memTypeFound = True;
}
return(i);
}
}
typeBits >>= 1;
}
if (memTypeFound != null)
{
*memTypeFound = False;
return(0);
}
else
{
throw new InvalidOperationException("Could not find a matching memory type");
}
}
public static uint GetMemoryType(uint typeBits, VkMemoryPropertyFlags properties)
{
for (uint i = 0; i < MemoryProperties.memoryTypeCount; i++)
{
if ((typeBits & 1) == 1)
{
if ((MemoryProperties.GetMemoryType(i).propertyFlags & properties) == properties)
{
return(i);
}
}
typeBits >>= 1;
}
return(0);
}