| /* |
| * Copyright (c) 2019-2021 The Khronos Group Inc. |
| * Copyright (c) 2019-2021 Valve Corporation |
| * Copyright (c) 2019-2021 LunarG, Inc. |
| * |
| * 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. |
| * |
| * Author: Jon Ashburn <jon@lunarg.com> |
| * Author: Courtney Goeltzenleuchter <courtney@LunarG.com> |
| * Author: Chia-I Wu <olvaffe@gmail.com> |
| * Author: Chia-I Wu <olv@lunarg.com> |
| * Author: Mark Lobodzinski <mark@LunarG.com> |
| * Author: Lenny Komow <lenny@lunarg.com> |
| * Author: Charles Giessen <charles@lunarg.com> |
| */ |
| |
| #include "allocation.h" |
| |
| #include <stdlib.h> |
| |
| // A debug option to disable allocators at compile time to investigate future issues. |
| #define DEBUG_DISABLE_APP_ALLOCATORS 0 |
| |
| void *loader_alloc(const VkAllocationCallbacks *pAllocator, size_t size, VkSystemAllocationScope allocation_scope) { |
| void *pMemory = NULL; |
| #if (DEBUG_DISABLE_APP_ALLOCATORS == 1) |
| { |
| #else |
| if (pAllocator && pAllocator->pfnAllocation) { |
| // These are internal structures, so it's best to align everything to |
| // the largest unit size which is the size of a uint64_t. |
| pMemory = pAllocator->pfnAllocation(pAllocator->pUserData, size, sizeof(uint64_t), allocation_scope); |
| } else { |
| #endif |
| pMemory = malloc(size); |
| } |
| |
| return pMemory; |
| } |
| |
| void *loader_calloc(const VkAllocationCallbacks *pAllocator, size_t size, VkSystemAllocationScope allocation_scope) { |
| void *pMemory = NULL; |
| #if (DEBUG_DISABLE_APP_ALLOCATORS == 1) |
| { |
| #else |
| if (pAllocator && pAllocator->pfnAllocation) { |
| // These are internal structures, so it's best to align everything to |
| // the largest unit size which is the size of a uint64_t. |
| pMemory = pAllocator->pfnAllocation(pAllocator->pUserData, size, sizeof(uint64_t), allocation_scope); |
| if (pMemory) { |
| memset(pMemory, 0, size); |
| } |
| } else { |
| #endif |
| pMemory = calloc(1, size); |
| } |
| |
| return pMemory; |
| } |
| |
| void loader_free(const VkAllocationCallbacks *pAllocator, void *pMemory) { |
| if (pMemory != NULL) { |
| #if (DEBUG_DISABLE_APP_ALLOCATORS == 1) |
| { |
| #else |
| if (pAllocator && pAllocator->pfnFree) { |
| pAllocator->pfnFree(pAllocator->pUserData, pMemory); |
| } else { |
| #endif |
| free(pMemory); |
| } |
| } |
| } |
| |
| void *loader_realloc(const VkAllocationCallbacks *pAllocator, void *pMemory, size_t orig_size, size_t size, |
| VkSystemAllocationScope allocation_scope) { |
| void *pNewMem = NULL; |
| if (pMemory == NULL || orig_size == 0) { |
| pNewMem = loader_alloc(pAllocator, size, allocation_scope); |
| } else if (size == 0) { |
| loader_free(pAllocator, pMemory); |
| #if (DEBUG_DISABLE_APP_ALLOCATORS == 1) |
| #else |
| } else if (pAllocator && pAllocator->pfnReallocation) { |
| // These are internal structures, so it's best to align everything to |
| // the largest unit size which is the size of a uint64_t. |
| pNewMem = pAllocator->pfnReallocation(pAllocator->pUserData, pMemory, size, sizeof(uint64_t), allocation_scope); |
| #endif |
| } else { |
| pNewMem = realloc(pMemory, size); |
| } |
| return pNewMem; |
| } |
| |
| void *loader_instance_heap_alloc(const struct loader_instance *inst, size_t size, VkSystemAllocationScope allocation_scope) { |
| return loader_alloc(inst ? &inst->alloc_callbacks : NULL, size, allocation_scope); |
| } |
| |
| void *loader_instance_heap_calloc(const struct loader_instance *inst, size_t size, VkSystemAllocationScope allocation_scope) { |
| return loader_calloc(inst ? &inst->alloc_callbacks : NULL, size, allocation_scope); |
| } |
| |
| void loader_instance_heap_free(const struct loader_instance *inst, void *pMemory) { |
| loader_free(inst ? &inst->alloc_callbacks : NULL, pMemory); |
| } |
| void *loader_instance_heap_realloc(const struct loader_instance *inst, void *pMemory, size_t orig_size, size_t size, |
| VkSystemAllocationScope allocation_scope) { |
| return loader_realloc(inst ? &inst->alloc_callbacks : NULL, pMemory, orig_size, size, allocation_scope); |
| } |
| |
| void *loader_device_heap_alloc(const struct loader_device *dev, size_t size, VkSystemAllocationScope allocation_scope) { |
| return loader_alloc(dev ? &dev->alloc_callbacks : NULL, size, allocation_scope); |
| } |
| |
| void *loader_device_heap_calloc(const struct loader_device *dev, size_t size, VkSystemAllocationScope allocation_scope) { |
| return loader_calloc(dev ? &dev->alloc_callbacks : NULL, size, allocation_scope); |
| } |
| |
| void loader_device_heap_free(const struct loader_device *dev, void *pMemory) { |
| loader_free(dev ? &dev->alloc_callbacks : NULL, pMemory); |
| } |
| void *loader_device_heap_realloc(const struct loader_device *dev, void *pMemory, size_t orig_size, size_t size, |
| VkSystemAllocationScope allocation_scope) { |
| return loader_realloc(dev ? &dev->alloc_callbacks : NULL, pMemory, orig_size, size, allocation_scope); |
| } |
| |
| void *loader_alloc_with_instance_fallback(const VkAllocationCallbacks *pAllocator, const struct loader_instance *inst, size_t size, |
| VkSystemAllocationScope allocation_scope) { |
| return loader_alloc(NULL != pAllocator ? pAllocator : &inst->alloc_callbacks, size, allocation_scope); |
| } |
| |
| void *loader_calloc_with_instance_fallback(const VkAllocationCallbacks *pAllocator, const struct loader_instance *instance, |
| size_t size, VkSystemAllocationScope allocation_scope) { |
| return loader_calloc(NULL != pAllocator ? pAllocator : &instance->alloc_callbacks, size, allocation_scope); |
| } |
| |
| void loader_free_with_instance_fallback(const VkAllocationCallbacks *pAllocator, const struct loader_instance *instance, |
| void *pMemory) { |
| loader_free(NULL != pAllocator ? pAllocator : &instance->alloc_callbacks, pMemory); |
| } |
| |
| void *loader_realloc_with_instance_fallback(const VkAllocationCallbacks *pAllocator, const struct loader_instance *instance, |
| void *pMemory, size_t orig_size, size_t size, |
| VkSystemAllocationScope allocation_scope) { |
| return loader_realloc(NULL != pAllocator ? pAllocator : &instance->alloc_callbacks, pMemory, orig_size, size, allocation_scope); |
| } |