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// Copyright 2016 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include "Common/CommonTypes.h"
#include "Common/WindowSystemInfo.h"
#include "VideoBackends/Vulkan/Constants.h"
#include "VideoCommon/VideoConfig.h"
namespace Vulkan
{
class VulkanContext
{
public:
VulkanContext(VkInstance instance, VkPhysicalDevice physical_device);
~VulkanContext();
// Determines if the Vulkan validation layer is available on the system.
static bool CheckValidationLayerAvailablility();
// Helper method to create a Vulkan instance.
static VkInstance CreateVulkanInstance(WindowSystemType wstype, bool enable_debug_report,
bool enable_validation_layer);
// Returns a list of Vulkan-compatible GPUs.
using GPUList = std::vector<VkPhysicalDevice>;
static GPUList EnumerateGPUs(VkInstance instance);
// Populates backend/video config.
// These are public so that the backend info can be populated without creating a context.
static void PopulateBackendInfo(VideoConfig* config);
static void PopulateBackendInfoAdapters(VideoConfig* config, const GPUList& gpu_list);
static void PopulateBackendInfoFeatures(VideoConfig* config, VkPhysicalDevice gpu,
const VkPhysicalDeviceProperties& properties,
const VkPhysicalDeviceFeatures& features);
static void PopulateBackendInfoMultisampleModes(VideoConfig* config, VkPhysicalDevice gpu,
const VkPhysicalDeviceProperties& properties);
// Creates a Vulkan device context.
// This assumes that PopulateBackendInfo and PopulateBackendInfoAdapters has already
// been called for the specified VideoConfig.
static std::unique_ptr<VulkanContext> Create(VkInstance instance, VkPhysicalDevice gpu,
VkSurfaceKHR surface, bool enable_debug_reports,
bool enable_validation_layer);
// Enable/disable debug message runtime.
bool EnableDebugReports();
void DisableDebugReports();
// Global state accessors
VkInstance GetVulkanInstance() const { return m_instance; }
VkPhysicalDevice GetPhysicalDevice() const { return m_physical_device; }
VkDevice GetDevice() const { return m_device; }
VkQueue GetGraphicsQueue() const { return m_graphics_queue; }
u32 GetGraphicsQueueFamilyIndex() const { return m_graphics_queue_family_index; }
VkQueue GetPresentQueue() const { return m_present_queue; }
u32 GetPresentQueueFamilyIndex() const { return m_present_queue_family_index; }
const VkQueueFamilyProperties& GetGraphicsQueueProperties() const
{
return m_graphics_queue_properties;
}
const VkPhysicalDeviceMemoryProperties& GetDeviceMemoryProperties() const
{
return m_device_memory_properties;
}
const VkPhysicalDeviceProperties& GetDeviceProperties() const { return m_device_properties; }
const VkPhysicalDeviceFeatures& GetDeviceFeatures() const { return m_device_features; }
const VkPhysicalDeviceLimits& GetDeviceLimits() const { return m_device_properties.limits; }
// Support bits
bool SupportsAnisotropicFiltering() const
{
return m_device_features.samplerAnisotropy == VK_TRUE;
}
bool SupportsPreciseOcclusionQueries() const
{
return m_device_features.occlusionQueryPrecise == VK_TRUE;
}
u32 GetShaderSubgroupSize() const { return m_shader_subgroup_size; }
bool SupportsShaderSubgroupOperations() const { return m_supports_shader_subgroup_operations; }
// Helpers for getting constants
VkDeviceSize GetUniformBufferAlignment() const
{
return m_device_properties.limits.minUniformBufferOffsetAlignment;
}
VkDeviceSize GetTexelBufferAlignment() const
{
return m_device_properties.limits.minUniformBufferOffsetAlignment;
}
VkDeviceSize GetBufferImageGranularity() const
{
return m_device_properties.limits.bufferImageGranularity;
}
float GetMaxSamplerAnisotropy() const { return m_device_properties.limits.maxSamplerAnisotropy; }
// Finds a memory type index for the specified memory properties and the bits returned by
// vkGetImageMemoryRequirements
std::optional<u32> GetMemoryType(u32 bits, VkMemoryPropertyFlags properties, bool strict,
bool* is_coherent = nullptr);
// Finds a memory type for upload or readback buffers.
u32 GetUploadMemoryType(u32 bits, bool* is_coherent = nullptr);
u32 GetReadbackMemoryType(u32 bits, bool* is_coherent = nullptr);
// Returns true if the specified extension is supported and enabled.
bool SupportsDeviceExtension(const char* name) const;
// Returns true if exclusive fullscreen is supported for the given surface.
bool SupportsExclusiveFullscreen(const WindowSystemInfo& wsi, VkSurfaceKHR surface);
#ifdef WIN32
// Returns the platform-specific exclusive fullscreen structure.
VkSurfaceFullScreenExclusiveWin32InfoEXT
GetPlatformExclusiveFullscreenInfo(const WindowSystemInfo& wsi);
#endif
private:
static bool SelectInstanceExtensions(std::vector<const char*>* extension_list,
WindowSystemType wstype, bool enable_debug_report);
bool SelectDeviceExtensions(bool enable_surface);
bool SelectDeviceFeatures();
bool CreateDevice(VkSurfaceKHR surface, bool enable_validation_layer);
void InitDriverDetails();
void PopulateShaderSubgroupSupport();
VkInstance m_instance = VK_NULL_HANDLE;
VkPhysicalDevice m_physical_device = VK_NULL_HANDLE;
VkDevice m_device = VK_NULL_HANDLE;
VkQueue m_graphics_queue = VK_NULL_HANDLE;
u32 m_graphics_queue_family_index = 0;
VkQueue m_present_queue = VK_NULL_HANDLE;
u32 m_present_queue_family_index = 0;
VkQueueFamilyProperties m_graphics_queue_properties = {};
VkDebugReportCallbackEXT m_debug_report_callback = VK_NULL_HANDLE;
VkPhysicalDeviceFeatures m_device_features = {};
VkPhysicalDeviceProperties m_device_properties = {};
VkPhysicalDeviceMemoryProperties m_device_memory_properties = {};
u32 m_shader_subgroup_size = 1;
bool m_supports_shader_subgroup_operations = false;
std::vector<std::string> m_device_extensions;
};
extern std::unique_ptr<VulkanContext> g_vulkan_context;
} // namespace Vulkan
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