Function createSharedBuffer

shared/UtilsVulkan.cpp:1287–1322

}

bool createSharedBuffer(VulkanRenderDevice& vkDev, VkDeviceSize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags properties, VkBuffer& buffer, VkDeviceMemory& bufferMemory)
{
	uint32_t familyCount = static_cast<uint32_t>(vkDev.deviceQueueIndices.size());

	if (familyCount < 2)
		return createBuffer(vkDev.device, vkDev.physicalDevice, size, usage, properties, buffer, bufferMemory);

	const VkBufferCreateInfo bufferInfo = {
		.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
		.pNext = nullptr,
		.flags = 0,
		.size = size,
		.usage = usage,
		.sharingMode = (familyCount > 1) ? VK_SHARING_MODE_CONCURRENT : VK_SHARING_MODE_EXCLUSIVE,
		.queueFamilyIndexCount = static_cast<uint32_t>(vkDev.deviceQueueIndices.size()),
		.pQueueFamilyIndices = (familyCount > 1) ? vkDev.deviceQueueIndices.data() : nullptr
	};

	VK_CHECK(vkCreateBuffer(vkDev.device, &bufferInfo, nullptr, &buffer));

	VkMemoryRequirements memRequirements;
	vkGetBufferMemoryRequirements(vkDev.device, buffer, &memRequirements);

	const VkMemoryAllocateInfo allocInfo = {
		.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
		.pNext = nullptr,
		.allocationSize = memRequirements.size,
		.memoryTypeIndex = findMemoryType(vkDev.physicalDevice, memRequirements.memoryTypeBits, properties)
	};

	VK_CHECK(vkAllocateMemory(vkDev.device, &allocInfo, nullptr, &bufferMemory));

	vkBindBufferMemory(vkDev.device, buffer, bufferMemory, 0);

	return true;
}

bool createUniformBuffer(VulkanRenderDevice& vkDev, VkBuffer& buffer, VkDeviceMemory& bufferMemory, VkDeviceSize bufferSize)
{