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feat: add dlss support WIP #555

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merged 1 commit into from
Sep 23, 2024
Merged

feat: add dlss support WIP #555

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58 changes: 52 additions & 6 deletions src/Streamline.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -57,20 +57,23 @@ void Streamline::Initialize_preDevice()

sl::Preferences pref;

sl::Feature featuresToLoad[] = { sl::kFeatureDLSS_G, sl::kFeatureReflex };
sl::Feature featuresToLoad[] = { sl::kFeatureDLSS, sl::kFeatureDLSS_G, sl::kFeatureReflex };
// sl::Feature featuresToLoad[] = { sl::kFeatureDLSS };
pref.featuresToLoad = featuresToLoad;
pref.numFeaturesToLoad = _countof(featuresToLoad);

pref.logLevel = sl::LogLevel::eOff;
pref.logLevel = sl::LogLevel::eVerbose;
pref.logMessageCallback = LoggingCallback;
pref.showConsole = true;

const wchar_t* pathsToPlugins[] = { L"Data/SKSE/Plugins/Streamline" };
pref.pathsToPlugins = pathsToPlugins;
pref.numPathsToPlugins = _countof(pathsToPlugins);
// const wchar_t* pathsToPlugins[] = { L"Data/SKSE/Plugins/Streamline" };
// pref.pathsToPlugins = pathsToPlugins;
// pref.numPathsToPlugins = _countof(pathsToPlugins);

pref.engine = sl::EngineType::eCustom;
pref.engineVersion = "1.0.0";
pref.projectId = "f8776929-c969-43bd-ac2b-294b4de58aac";
pref.flags |= sl::PreferenceFlags::eUseManualHooking;

pref.renderAPI = sl::RenderAPI::eD3D11;

Expand Down Expand Up @@ -107,6 +110,10 @@ void Streamline::Initialize_preDevice()
void Streamline::Initialize_postDevice()
{
// Hook up all of the feature functions using the sl function slGetFeatureFunction
slGetFeatureFunction(sl::kFeatureDLSS, "slDLSSGetOptimalSettings", (void*&)slDLSSGetOptimalSettings);
slGetFeatureFunction(sl::kFeatureDLSS, "slDLSSGetState", (void*&)slDLSSGetState);
slGetFeatureFunction(sl::kFeatureDLSS, "slDLSSSetOptions", (void*&)slDLSSSetOptions);

slGetFeatureFunction(sl::kFeatureDLSS_G, "slDLSSGGetState", (void*&)slDLSSGGetState);
slGetFeatureFunction(sl::kFeatureDLSS_G, "slDLSSGSetOptions", (void*&)slDLSSGSetOptions);

Expand All @@ -127,6 +134,25 @@ void Streamline::Initialize_postDevice()
} else {
logger::info("[Streamline] Sucessfully set reflex options");
}

sl::DLSSOptimalSettings dlssSettings;
sl::DLSSOptions dlssOptions;
// These are populated based on user selection in the UI
dlssOptions.mode = sl::DLSSMode::eBalanced; //myUI->getDLSSMode(); // e.g. sl::eDLSSModeBalanced;
dlssOptions.outputWidth = 1920; // e.g 1920;
dlssOptions.outputHeight = 1080; // e.g. 1080;
// Now let's check what should our rendering resolution be
if (SL_FAILED(result, slDLSSGetOptimalSettings(dlssOptions, dlssSettings))) {
logger::error("[Streamline] Failed to get optimal DLSS options");
} else {
logger::error("[Streamline] Sucessfully fetched optimal DLSS options");
}

if (SL_FAILED(result, slDLSSSetOptions(viewport, dlssOptions))) {
logger::error("[Streamline] Could not enable DLSS");
} else {
logger::error("[Streamline] Successfully enabled DLSS");
}
}

HRESULT Streamline::CreateDXGIFactory(REFIID riid, void** ppFactory)
Expand Down Expand Up @@ -164,7 +190,21 @@ HRESULT Streamline::CreateDeviceAndSwapChain(IDXGIAdapter* pAdapter,
return S_OK;
}

bool featureLoaded = false;
bool dlssLoaded = false;
slIsFeatureLoaded(sl::kFeatureDLSS, dlssLoaded);
if (dlssLoaded) {
logger::info("[Streamline] DLSS feature is loaded");
} else {
logger::info("[Streamline] DLSS feature is not loaded");

sl::FeatureRequirements dlss_requirements;
sl::Result result = slGetFeatureRequirements(sl::kFeatureDLSS, dlss_requirements);
if (result != sl::Result::eOk) {
logger::info("[Streamline] DLSS feature failed to load due to: {}", magic_enum::enum_name(result));
}
}

bool featureLoaded = true;
slIsFeatureLoaded(sl::kFeatureDLSS_G, featureLoaded);

if (featureLoaded) {
Expand All @@ -187,6 +227,12 @@ HRESULT Streamline::CreateDeviceAndSwapChain(IDXGIAdapter* pAdapter,
adapterInfo.deviceLUID = (uint8_t*)&adapterDesc.AdapterLuid;
adapterInfo.deviceLUIDSizeInBytes = sizeof(LUID);

if (slIsFeatureSupported(sl::kFeatureDLSS, adapterInfo) == sl::Result::eOk) {
logger::info("[Streamline] DLSS is supported on this adapter");
} else {
logger::info("[Streamline] DLSS is not supported on this adapter");
}

if (slIsFeatureSupported(sl::kFeatureDLSS_G, adapterInfo) == sl::Result::eOk) {
logger::info("[Streamline] Frame generation is supported on this adapter");
} else {
Expand Down
6 changes: 6 additions & 0 deletions src/Streamline.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
#include "Buffer.h"
#include "State.h"

#define NV_WINDOWS
#include <sl.h>
#include <sl_consts.h>
#include <sl_dlss.h>
Expand Down Expand Up @@ -48,6 +49,11 @@ class Streamline
PFun_slGetNewFrameToken* slGetNewFrameToken{};
PFun_slSetD3DDevice* slSetD3DDevice{};

// DLSS specific functions
PFun_slDLSSGetOptimalSettings* slDLSSGetOptimalSettings{};
PFun_slDLSSGetState* slDLSSGetState{};
PFun_slDLSSSetOptions* slDLSSSetOptions{};

// DLSSG specific functions
PFun_slDLSSGGetState* slDLSSGGetState{};
PFun_slDLSSGSetOptions* slDLSSGSetOptions{};
Expand Down
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