public VkInstance(HandleType handle, VkAllocationCallbacks allocator)
{
Handle = handle;
Allocator = allocator;
Direct = new DirectFunctions(this);
PhysicalDevices = EnumeratePhysicalDevices();
}
private VkObjectResult<IVkInstance> CreateInstanceInternal(IntPtr data, VkInstanceCreateInfo createInfo, VkAllocationCallbacks allocator)
{
var unmanaged = (byte*)data;
var pCreateInfo = createInfo.MarshalIndirect(ref unmanaged);
var pAllocator = allocator.MarshalIndirect(ref unmanaged);
VkInstance.HandleType handle;
var result = Direct.CreateInstance(pCreateInfo, pAllocator, &handle);
var instance = result == VkResult.Success ? new VkInstance(handle, allocator) : null;
return new VkObjectResult<IVkInstance>(result, instance);
}
public VkObjectResult<IVkInstance> CreateInstance(VkInstanceCreateInfo createInfo, VkAllocationCallbacks allocator)
{
var size =
createInfo.SizeOfMarshalIndirect() +
allocator.SizeOfMarshalIndirect();
return VkHelpers.RunWithUnamangedData(size, u => CreateInstanceInternal(u, createInfo, allocator));
}
private VkObjectResult <IVkInstance> CreateInstanceInternal(IntPtr data, VkInstanceCreateInfo createInfo, VkAllocationCallbacks allocator)
{
var unmanaged = (byte *)data;
var pCreateInfo = createInfo.MarshalIndirect(ref unmanaged);
var pAllocator = allocator.MarshalIndirect(ref unmanaged);
VkInstance.HandleType handle;
var result = Direct.CreateInstance(pCreateInfo, pAllocator, &handle);
var instance = result == VkResult.Success ? new VkInstance(handle, allocator) : null;
return(new VkObjectResult <IVkInstance>(result, instance));
}
public VkObjectResult <IVkInstance> CreateInstance(VkInstanceCreateInfo createInfo, VkAllocationCallbacks allocator)
{
var size =
createInfo.SizeOfMarshalIndirect() +
allocator.SizeOfMarshalIndirect();
return(VkHelpers.RunWithUnamangedData(size, u => CreateInstanceInternal(u, createInfo, allocator)));
}