1 files changed, 116 insertions, 0 deletions

diff --git a/src/video_core/renderer_vulkan/vk_device.h b/src/video_core/renderer_vulkan/vk_device.h
new file mode 100644
index 000000000..e87c7a508
--- /dev/null
+++ b/src/video_core/renderer_vulkan/vk_device.h
@@ -0,0 +1,116 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <map>
+#include <vector>
+#include "common/common_types.h"
+#include "video_core/renderer_vulkan/declarations.h"
+
+namespace Vulkan {
+
+/// Format usage descriptor
+enum class FormatType { Linear, Optimal, Buffer };
+
+/// Handles data specific to a physical device.
+class VKDevice final {
+public:
+    explicit VKDevice(const vk::DispatchLoaderDynamic& dldi, vk::PhysicalDevice physical,
+                      vk::SurfaceKHR surface);
+    ~VKDevice();
+
+    /// Initializes the device. Returns true on success.
+    bool Create(const vk::DispatchLoaderDynamic& dldi, vk::Instance instance);
+
+    /**
+     * Returns a format supported by the device for the passed requeriments.
+     * @param wanted_format The ideal format to be returned. It may not be the returned format.
+     * @param wanted_usage The usage that must be fulfilled even if the format is not supported.
+     * @param format_type Format type usage.
+     * @returns A format supported by the device.
+     */
+    vk::Format GetSupportedFormat(vk::Format wanted_format, vk::FormatFeatureFlags wanted_usage,
+                                  FormatType format_type) const;
+
+    /// Returns the dispatch loader with direct function pointers of the device
+    const vk::DispatchLoaderDynamic& GetDispatchLoader() const {
+        return dld;
+    }
+
+    /// Returns the logical device
+    vk::Device GetLogical() const {
+        return logical.get();
+    }
+
+    /// Returns the physical device.
+    vk::PhysicalDevice GetPhysical() const {
+        return physical;
+    }
+
+    /// Returns the main graphics queue.
+    vk::Queue GetGraphicsQueue() const {
+        return graphics_queue;
+    }
+
+    /// Returns the main present queue.
+    vk::Queue GetPresentQueue() const {
+        return present_queue;
+    }
+
+    /// Returns main graphics queue family index.
+    u32 GetGraphicsFamily() const {
+        return graphics_family;
+    }
+
+    /// Returns main present queue family index.
+    u32 GetPresentFamily() const {
+        return present_family;
+    }
+
+    /// Returns if the device is integrated with the host CPU
+    bool IsIntegrated() const {
+        return device_type == vk::PhysicalDeviceType::eIntegratedGpu;
+    }
+
+    /// Returns uniform buffer alignment requeriment
+    u64 GetUniformBufferAlignment() const {
+        return uniform_buffer_alignment;
+    }
+
+    /// Checks if the physical device is suitable.
+    static bool IsSuitable(const vk::DispatchLoaderDynamic& dldi, vk::PhysicalDevice physical,
+                           vk::SurfaceKHR surface);
+
+private:
+    /// Sets up queue families.
+    void SetupFamilies(const vk::DispatchLoaderDynamic& dldi, vk::SurfaceKHR surface);
+
+    /// Sets up device properties.
+    void SetupProperties(const vk::DispatchLoaderDynamic& dldi);
+
+    /// Returns a list of queue initialization descriptors.
+    std::vector<vk::DeviceQueueCreateInfo> GetDeviceQueueCreateInfos() const;
+
+    /// Returns true if a format is supported.
+    bool IsFormatSupported(vk::Format wanted_format, vk::FormatFeatureFlags wanted_usage,
+                           FormatType format_type) const;
+
+    /// Returns the device properties for Vulkan formats.
+    static std::map<vk::Format, vk::FormatProperties> GetFormatProperties(
+        const vk::DispatchLoaderDynamic& dldi, vk::PhysicalDevice physical);
+
+    const vk::PhysicalDevice physical;  ///< Physical device
+    vk::DispatchLoaderDynamic dld;      ///< Device function pointers
+    UniqueDevice logical;               ///< Logical device
+    vk::Queue graphics_queue;           ///< Main graphics queue
+    vk::Queue present_queue;            ///< Main present queue
+    u32 graphics_family{};              ///< Main graphics queue family index
+    u32 present_family{};               ///< Main present queue family index
+    vk::PhysicalDeviceType device_type; ///< Physical device type
+    u64 uniform_buffer_alignment{};     ///< Uniform buffer alignment requeriment
+    std::map<vk::Format, vk::FormatProperties> format_properties; ///< Format properties dictionary
+};
+
+} // namespace Vulkan