lsfg-vk/framegen/include/core/device.hpp

#pragma once

#include "core/instance.hpp"

#include <vulkan/vulkan_core.h>

#include <cstdint>
#include <memory>

namespace LSFG::Core {

    ///
    /// C++ wrapper class for a Vulkan device.
    ///
    /// This class manages the lifetime of a Vulkan device.
    ///
    class Device {
    public:
        ///
        /// Create the device.
        ///
        /// @param instance Vulkan instance
        /// @param deviceUUID The UUID of the Vulkan device to use.
        /// @param forceDisableFp16 Force-disable FP16 shaders.
        ///
        /// @throws LSFG::vulkan_error if object creation fails.
        ///
        Device(const Instance& instance, uint64_t deviceUUID, bool forceDisableFp16);

        /// Get the Vulkan handle.
        [[nodiscard]] auto handle() const { return *this->device; }
        /// Get the physical device associated with this logical device.
        [[nodiscard]] VkPhysicalDevice getPhysicalDevice() const { return this->physicalDevice; }
        /// Get the compute queue family index.
        [[nodiscard]] uint32_t getComputeFamilyIdx() const { return this->computeFamilyIdx; }
        /// Get the compute queue.
        [[nodiscard]] VkQueue getComputeQueue() const { return this->computeQueue; }
        /// Check if the device supports FP16.
        [[nodiscard]] bool getFP16Support() const { return this->supportsFP16; }

        // Trivially copyable, moveable and destructible
        Device(const Core::Device&) noexcept = default;
        Device& operator=(const Core::Device&) noexcept = default;
        Device(Device&&) noexcept = default;
        Device& operator=(Device&&) noexcept = default;
        ~Device() = default;
    private:
        std::shared_ptr<VkDevice> device;
        VkPhysicalDevice physicalDevice{};

        uint32_t computeFamilyIdx{0};
        bool supportsFP16{false};

        VkQueue computeQueue{};
    };

}