Method Alloc

Source/Memory/stack_allocator.cpp:42–65

using std::endl;

void* StackAllocator::Alloc(size_t requested_size) {
    current_allocation_count++;
    frame_allocation_count++;
    // AssertMainThread();
#ifdef DEBUG_DISABLE_STACK_ALLOCATOR
    return OG_MALLOC(requested_size);
#else   // DEBUG_DISABLE_STACK_ALLOCATOR
    if (stack_block_pts[stack_blocks] + requested_size < size && stack_blocks < kMaxBlocks - 2) {
        ++stack_blocks;
        stack_block_pts[stack_blocks] = stack_block_pts[stack_blocks - 1] + requested_size;
        void* ptr = (void*)((uintptr_t)mem + stack_block_pts[stack_blocks - 1]);
        return ptr;
    } else {
        if (stack_block_pts[stack_blocks] + requested_size >= size) {
            LOGF << "Unable to stack allocate memory size:" << requested_size << ". Out of memory." << endl;
        } else {
            LOGF << "Unable to stack allocate memory size:" << requested_size << ". Out of blocks." << endl;
        }

        LOGF << GenerateStacktrace() << endl;
        return NULL;
    }
#endif  // DEBUG_DISABLE_STACK_ALLOCATOR
}

void StackAllocator::Free(void* ptr) {
    current_allocation_count--;