blob: 47e55f715025737d3018fbe95baa69c2f33e9bfe (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// NVIDIA DLSS through NVIDIA Streamline. Only Streamline's MIT-licensed
// headers are built in: NVIDIA's DLLs are loaded at run time from the user's PC, and none ship
// with the emulator.
#pragma once
#include <filesystem>
#include <string>
#include <vector>
#include "common/common_types.h"
#include "video_core/vulkan_common/vulkan_wrapper.h"
namespace Vulkan::Streamline {
/// NVIDIA's files DLSS needs, as found on this PC. Paths are empty when missing.
struct DlssFiles {
std::filesystem::path folder; ///< Where the loader is, or where it should go
std::filesystem::path interposer; ///< sl.interposer.dll (Streamline's loader)
std::filesystem::path model; ///< nvngx_dlss.dll next to the loader
std::filesystem::path app_model; ///< Newest DLSS the NVIDIA app downloaded
std::string interposer_version;
std::string model_version;
std::string app_model_version;
};
[[nodiscard]] DlssFiles FindDlssFiles();
/// The user folder's "streamline" folder.
[[nodiscard]] std::filesystem::path UserFolder();
/// Streamline's own modules carry a second, Streamline-only signature.
[[nodiscard]] bool IsStreamlineModule(const std::filesystem::path& path);
/// A valid Authenticode signature from NVIDIA Corporation (DLSS models).
[[nodiscard]] bool IsSignedByNvidia(const std::filesystem::path& path);
/// When the NVIDIA DLSS setting is on, loads the user's sl.interposer.dll (checking NVIDIA's
/// signature) and starts Streamline for DLSS. Call before creating the renderer's instance.
bool Start();
/// Whether Streamline is running and waiting for the renderer's device.
[[nodiscard]] bool WantsDevice();
/// Instance and device extensions DLSS asks for (empty when Streamline isn't running).
[[nodiscard]] std::vector<std::string> InstanceExtensions();
[[nodiscard]] std::vector<std::string> DeviceExtensions();
/// Hands the renderer's device to Streamline and routes the swapchain calls through it, as
/// Streamline's manual hooking needs. Stops Streamline and returns false when DLSS can't run.
bool AttachDevice(VkInstance instance, VkPhysicalDevice physical, VkDevice device,
u32 graphics_family, vk::DeviceDispatch& dld);
/// Whether DLSS can run on the attached device.
[[nodiscard]] bool IsDlssAvailable();
/// Shuts Streamline down; call before the device is destroyed.
void Stop();
} // namespace Vulkan::Streamline
|
