public static uint FindMemoryType(VkPhysicalDeviceMemoryProperties memProperties, uint typeFilter, VkMemoryPropertyFlags properties)
{
for (int i = 0; i < memProperties.memoryTypeCount; i++)
{
if (((typeFilter & (1 << i)) != 0) &&
(memProperties.GetMemoryType((uint)i).propertyFlags & properties) == properties)
{
return((uint)i);
}
}
throw new VeldridException("No suitable memory type.");
}
public static bool TryFindMemoryType(VkPhysicalDeviceMemoryProperties memProperties, uint typeFilter, VkMemoryPropertyFlags properties, out uint typeIndex)
{
typeIndex = 0;
for (int i = 0; i < memProperties.memoryTypeCount; i++)
{
if (((typeFilter & (1 << i)) != 0) &&
(memProperties.GetMemoryType((uint)i).propertyFlags & properties) == properties)
{
typeIndex = (uint)i;
return(true);
}
}
return(false);
}
public static uint GetMemoryTypeIndex(uint typeBits, VkMemoryPropertyFlags properties, VkPhysicalDeviceMemoryProperties memoryProperties)
{
// Iterate over all memory types available for the Device used in this example
for (uint i = 0; i < memoryProperties.memoryTypeCount; i++)
{
if ((typeBits & 1) == 1)
{
if ((memoryProperties.GetMemoryType(i).propertyFlags & properties) == properties)
{
return(i);
}
}
typeBits >>= 1;
}
throw new InvalidOperationException("Could not find a suitable memory type!");
}
