Function TestUserData

src/Tests.cpp:2996–3071

}

static void TestUserData()
{
    VkResult res;

    VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };
    bufCreateInfo.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
    bufCreateInfo.size = 0x10000;

    for(uint32_t testIndex = 0; testIndex < 2; ++testIndex)
    {
        // Opaque pointer
        {

            void* numberAsPointer = (void*)(size_t)0xC2501FF3u;
            void* pointerToSomething = &res;

            VmaAllocationCreateInfo allocCreateInfo = {};
            allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO;
            allocCreateInfo.pUserData = numberAsPointer;
            if(testIndex == 1)
                allocCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT;

            VkBuffer buf; VmaAllocation alloc; VmaAllocationInfo allocInfo;
            res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);
            TEST(res == VK_SUCCESS);
            TEST(allocInfo.pUserData == numberAsPointer);

            vmaGetAllocationInfo(g_hAllocator, alloc, &allocInfo);
            TEST(allocInfo.pUserData == numberAsPointer);

            vmaSetAllocationUserData(g_hAllocator, alloc, pointerToSomething);
            vmaGetAllocationInfo(g_hAllocator, alloc, &allocInfo);
            TEST(allocInfo.pUserData == pointerToSomething);

            vmaDestroyBuffer(g_hAllocator, buf, alloc);
        }

        // String
        {
            const char* name1 = "Buffer name \\\"\'<>&% \nSecond line .,;=";
            const char* name2 = "2";
            const size_t name1Len = strlen(name1);

            char* name1Buf = new char[name1Len + 1];
            strcpy_s(name1Buf, name1Len + 1, name1);

            VmaAllocationCreateInfo allocCreateInfo = {};
            allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO;
            allocCreateInfo.flags = VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT;
            allocCreateInfo.pUserData = name1Buf;
            if(testIndex == 1)
                allocCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT;

            VkBuffer buf; VmaAllocation alloc; VmaAllocationInfo allocInfo;
            res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);
            TEST(res == VK_SUCCESS);
            TEST(allocInfo.pName != nullptr && allocInfo.pName != name1Buf);
            TEST(strcmp(name1, allocInfo.pName) == 0);