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// Copyright 2019 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef VULKAN_PLATFORM
#define VULKAN_PLATFORM
#include <cstddef>
#include <cstdint>
#include <type_traits>
template<typename T> class VkNonDispatchableHandle
{
public:
operator void*() const
{
static_assert(sizeof(VkNonDispatchableHandle) == sizeof(uint64_t), "Size is not 64 bits!");
// VkNonDispatchabbleHandle must be POD to ensure it gets passed by value the same way as a uint64_t,
// which is the upstream header's handle type when compiled for 32b architectures. On 64b architectures,
// the upstream header's handle type is a pointer type.
static_assert(std::is_trivial<VkNonDispatchableHandle<T>>::value, "VkNonDispatchableHandle<T> is not trivial!");
static_assert(std::is_standard_layout<VkNonDispatchableHandle<T>>::value, "VkNonDispatchableHandle<T> is not standard layout!");
return reinterpret_cast<void*>(static_cast<uintptr_t>(handle));
}
void operator=(uint64_t h)
{
handle = h;
}
uint64_t handle;
};
#define VK_DEFINE_NON_DISPATCHABLE_HANDLE(object) \
typedef struct object##_T *object##Ptr; \
typedef VkNonDispatchableHandle<object##Ptr> object; \
template class VkNonDispatchableHandle<object##Ptr>;
#include <vulkan/vulkan.h>
#ifdef Bool
#undef Bool // b/127920555
#undef None
#endif
#endif // VULKAN_PLATFORM