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/*
* Copyright 2017 Google Inc. 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 NB_STARBOARD_MEMORY_ALLOCATOR_H_
#define NB_STARBOARD_MEMORY_ALLOCATOR_H_
#include "nb/allocator.h"
#include "starboard/configuration.h"
#include "starboard/memory.h"
namespace nb {
// StarboardMemoryAllocator is an allocator that allocates and frees memory
// using SbMemoryAllocateAligned() and SbMemoryDeallocate() in
// starboard/memory.h.
class StarboardMemoryAllocator : public Allocator {
public:
void* Allocate(std::size_t size) SB_OVERRIDE { return Allocate(size, 1); }
void* Allocate(std::size_t size, std::size_t alignment) SB_OVERRIDE {
return SbMemoryAllocateAligned(alignment, size);
}
void* AllocateForAlignment(std::size_t* size,
std::size_t alignment) SB_OVERRIDE {
return Allocate(*size, alignment);
}
void Free(void* memory) SB_OVERRIDE { SbMemoryDeallocateAligned(memory); }
std::size_t GetCapacity() const SB_OVERRIDE {
// Returns 0 here to avoid tracking the allocated memory.
return 0;
}
std::size_t GetAllocated() const SB_OVERRIDE {
// Returns 0 here to avoid tracking the allocated memory.
return 0;
}
void PrintAllocations() const SB_OVERRIDE {}
};
} // namespace nb
#endif // NB_STARBOARD_MEMORY_ALLOCATOR_H_