Class BufferPool

framework/buffer_pool.h:302–322

 */
template <vkb::BindingType bindingType>
class BufferPool
{
  public:
	using BufferUsageFlagsType = typename std::conditional<bindingType == vkb::BindingType::Cpp, vk::BufferUsageFlags, VkBufferUsageFlags>::type;
	using DeviceSizeType       = typename std::conditional<bindingType == vkb::BindingType::Cpp, vk::DeviceSize, VkDeviceSize>::type;

  public:
	BufferPool(
	    vkb::core::Device<bindingType> &device, DeviceSizeType block_size, BufferUsageFlagsType usage, VmaMemoryUsage memory_usage = VMA_MEMORY_USAGE_CPU_TO_GPU);

	BufferBlock<bindingType> &request_buffer_block(DeviceSizeType minimum_size, bool minimal = false);

	void reset();

  private:
	vkb::core::DeviceCpp                        &device;
	std::vector<std::unique_ptr<BufferBlockCpp>> buffer_blocks;         /// List of blocks requested (need to be pointers in order to keep their address constant on vector resizing)
	vk::DeviceSize                               block_size = 0;        /// Minimum size of the blocks
	vk::BufferUsageFlags                         usage;
	VmaMemoryUsage                               memory_usage{};
};

using BufferPoolC   = BufferPool<vkb::BindingType::C>;
using BufferPoolCpp = BufferPool<vkb::BindingType::Cpp>;