1// Copyright 2018 The SwiftShader Authors. All Rights Reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#include "VkBuffer.hpp"
16#include "VkBufferView.hpp"
17#include "VkCommandBuffer.hpp"
18#include "VkCommandPool.hpp"
19#include "VkDevice.hpp"
20#include "VkDeviceMemory.hpp"
21#include "VkEvent.hpp"
22#include "VkFence.hpp"
23#include "VkFramebuffer.hpp"
24#include "VkImage.hpp"
25#include "VkImageView.hpp"
26#include "VkInstance.hpp"
27#include "VkPipeline.hpp"
28#include "VkPipelineCache.hpp"
29#include "VkPipelineLayout.hpp"
30#include "VkPhysicalDevice.hpp"
31#include "VkQueryPool.hpp"
32#include "VkQueue.hpp"
33#include "VkSampler.hpp"
34#include "VkSemaphore.hpp"
35#include "VkShaderModule.hpp"
36#include "VkRenderPass.hpp"
37#include "WSI/VkSurfaceKHR.hpp"
38#include "WSI/VkSwapchainKHR.hpp"
39
40#include <type_traits>
41
42namespace vk
43{
44
45// Because Vulkan uses optional allocation callbacks, we use them in a custom
46// placement new operator in the VkObjectBase class for simplicity.
47// Unfortunately, since we use a placement new to allocate VkObjectBase derived
48// classes objects, the corresponding deletion operator is a placement delete,
49// which does nothing. In order to properly dispose of these objects' memory,
50// we use this function, which calls the T:destroy() function then the T
51// destructor prior to releasing the object (by default,
52// VkObjectBase::destroy does nothing).
53template<typename VkT>
54inline void destroy(VkT vkObject, const VkAllocationCallbacks* pAllocator)
55{
56 auto object = Cast(vkObject);
57 if(object)
58 {
59 using T = typename std::remove_pointer<decltype(object)>::type;
60 object->destroy(pAllocator);
61 object->~T();
62 // object may not point to the same pointer as vkObject, for dispatchable objects,
63 // for example, so make sure to deallocate based on the vkObject pointer, which
64 // should always point to the beginning of the allocated memory
65 vk::deallocate(vkObject, pAllocator);
66 }
67}
68
69}
70