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4423a52816
Signed-off-by: Dennis Tsiang <dennis.tsiang@arm.com> Change-Id: I76f87648a8ddaeddb6774123d263957b845d10a1
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*
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* Copyright (c) 2020-2021, 2024 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "custom_allocator.hpp"
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#include "macros.hpp"
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#include <vulkan/vulkan.h>
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namespace util
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{
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VWL_VKAPI_CALL(void *) default_allocation(void *, size_t size, size_t, VkSystemAllocationScope) VWL_API_POST
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{
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return malloc(size);
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}
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VWL_VKAPI_CALL(void *)
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default_reallocation(void *, void *pOriginal, size_t size, size_t, VkSystemAllocationScope) VWL_API_POST
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{
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return realloc(pOriginal, size);
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}
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VWL_VKAPI_CALL(void) default_free(void *, void *pMemory) VWL_API_POST
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{
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free(pMemory);
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}
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const allocator &allocator::get_generic()
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{
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static allocator generic{ VK_SYSTEM_ALLOCATION_SCOPE_COMMAND, nullptr };
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return generic;
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}
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allocator::allocator(const allocator &other, VkSystemAllocationScope new_scope, const VkAllocationCallbacks *callbacks)
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: allocator{ new_scope, callbacks == nullptr ? other.get_original_callbacks() : callbacks }
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{
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}
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/* If callbacks is already populated by vulkan then use those specified as default. */
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allocator::allocator(VkSystemAllocationScope scope, const VkAllocationCallbacks *callbacks)
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{
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m_scope = scope;
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if (callbacks != nullptr)
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{
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m_callbacks = *callbacks;
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}
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else
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{
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m_callbacks = {};
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m_callbacks.pfnAllocation = default_allocation;
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m_callbacks.pfnReallocation = default_reallocation;
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m_callbacks.pfnFree = default_free;
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}
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}
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const VkAllocationCallbacks *allocator::get_original_callbacks() const
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{
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return m_callbacks.pfnAllocation == default_allocation ? nullptr : &m_callbacks;
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}
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} /* namespace util */
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