C_physicalDevice.hpp

/*
 * Copyright 2026 Guillaume Guillet
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef _FGE_VULKAN_C_PHYSICALDEVICE_HPP_INCLUDED
#define _FGE_VULKAN_C_PHYSICALDEVICE_HPP_INCLUDED
 
#include "FastEngine/fge_extern.hpp"
#include "volk.h"
#include <optional>
#include <vector>
 
namespace fge::vulkan
{

class FGE_API PhysicalDevice
{
public:
    struct QueueFamilyIndices
    {
        std::optional<uint32_t> _graphicsFamily;
        std::optional<uint32_t> _computeFamily;
        std::optional<uint32_t> _transferFamily;
        std::optional<uint32_t> _presentFamily;
        bool _isPresentFamilyDifferent{false};
    };
    struct SwapChainSupportDetails
    {
        VkSurfaceCapabilitiesKHR _capabilities;
 
        std::vector<VkSurfaceFormatKHR> _formats;
        std::vector<VkFormatProperties> _formatProperties;
 
        std::vector<VkPresentModeKHR> _presentModes;
    };
 
    explicit PhysicalDevice(VkPhysicalDevice device = VK_NULL_HANDLE);
    PhysicalDevice(PhysicalDevice const& r) = default;
    PhysicalDevice(PhysicalDevice&& r) noexcept;
    ~PhysicalDevice() = default;
 
    PhysicalDevice& operator=(PhysicalDevice const& r) = default;
    PhysicalDevice& operator=(PhysicalDevice&& r) noexcept;
 
    [[nodiscard]] VkPhysicalDevice getDevice() const;

    [[nodiscard]] bool checkDeviceExtensionSupport() const;

    [[nodiscard]] uint32_t rateDeviceSuitability(VkSurfaceKHR surface) const;
    [[nodiscard]] QueueFamilyIndices findQueueFamilies(VkSurfaceKHR surface) const;
    [[nodiscard]] SwapChainSupportDetails querySwapChainSupport(VkSurfaceKHR surface) const;
 
    [[nodiscard]] uint32_t findMemoryType(uint32_t typeFilter, VkMemoryPropertyFlags properties) const;
 
    [[nodiscard]] uint32_t getMaxImageDimension2D() const;
    [[nodiscard]] uint32_t getMinUniformBufferOffsetAlignment() const;
    [[nodiscard]] VkDeviceSize getMaxMemoryAllocationSize() const;
    [[nodiscard]] uint32_t getMaxMemoryAllocationCount() const;
    [[nodiscard]] VkPhysicalDeviceFeatures getFeatures() const;
    [[nodiscard]] VkPhysicalDeviceFeatures2 getFeatures2() const;
    [[nodiscard]] VkPhysicalDeviceRobustness2FeaturesEXT getRobustness2Features() const;
 
private:
    void updateDeviceExtensionSupport();
 
    VkPhysicalDevice g_device;
    bool g_extensionSupport;
};
 
} // namespace fge::vulkan
 
#endif //_FGE_VULKAN_C_PHYSICALDEVICE_HPP_INCLUDED