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Code Issues 150 Wiki Activity

Add DLSS Frame Generation (gfx.framegeneration x2/x3/x4) and Reflex (gfx.reflex) to the Vulkan renderer

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Hirek
2026-10-25 20:52:12 +01:00
parent 1841e6d7b0
commit a6bdeeaa2b
23 changed files with 1474 additions and 85 deletions
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18
utilities/Globals.cpp
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@@ -1962,6 +1962,22 @@ global_settings::ConfigParse_gfx_sky( cParser &Parser, std::string_view const To
else if( Token == "gfx.dlss.autoexposure" ) { readswitch( gfx_dlss_autoexposure ); }
else if( Token == "gfx.dlss.lodbias" ) { readvalue( gfx_dlss_lodbias, -2.f, 2.f ); }
else if( Token == "gfx.dlss.developer" ) { readswitch( gfx_dlss_developer ); }
else if( Token == "gfx.framegeneration" ) {
Parser.getTokens( 1 );
std::string mode;
Parser >> mode;
std::transform( mode.begin(), mode.end(), mode.begin(), []( unsigned char c ) { return static_cast<char>( std::tolower( c ) ); } );
gfx_framegeneration = ( mode == "x2" || mode == "on" || mode == "yes" || mode == "2" ) ? 2 : ( mode == "x3" || mode == "3" ) ? 3 : ( mode == "x4" || mode == "4" ) ? 4 : 1;
if( ( gfx_framegeneration == 1 ) && ( mode != "off" ) && ( mode != "no" ) && ( mode != "1" ) ) {
ErrorLog( "Bad config: unknown gfx.framegeneration \"" + mode + "\", expected off, x2, x3 or x4" ); } }
else if( Token == "gfx.reflex" ) {
Parser.getTokens( 1 );
std::string mode;
Parser >> mode;
std::transform( mode.begin(), mode.end(), mode.begin(), []( unsigned char c ) { return static_cast<char>( std::tolower( c ) ); } );
gfx_reflex = ( mode == "on" || mode == "yes" || mode == "1" ) ? 1 : ( mode == "boost" || mode == "2" ) ? 2 : 0;
if( ( gfx_reflex == 0 ) && ( mode != "off" ) && ( mode != "no" ) && ( mode != "0" ) ) {
ErrorLog( "Bad config: unknown gfx.reflex \"" + mode + "\", expected off, on or boost" ); } }
else if( Token == "gfx.fog.range" ) { readvalue( gfx_fog_range, 100.f, 10000.f ); }
else if( Token == "gfx.fog.lights" ) { readvalue( gfx_fog_lights, 0.f, 10.f ); }
else if( Token == "gfx.fog.shadows" ) { readswitch( gfx_fog_shadows ); }
@@ -2103,6 +2119,8 @@ global_settings::export_as_text( std::ostream &Output ) const {
export_as_text( Output, "gfx.dlss.autoexposure", gfx_dlss_autoexposure );
export_as_text( Output, "gfx.dlss.lodbias", gfx_dlss_lodbias );
export_as_text( Output, "gfx.dlss.developer", gfx_dlss_developer );
export_as_text( Output, "gfx.framegeneration", std::string{ gfx_framegeneration > 1 ? "x" + std::to_string( gfx_framegeneration ) : "off" } );
export_as_text( Output, "gfx.reflex", std::string{ gfx_reflex == 2 ? "boost" : gfx_reflex == 1 ? "on" : "off" } );
export_as_text( Output, "latitude", fLatitudeDeg );
export_as_text( Output, "convertmodels", iConvertModels );
export_as_text( Output, "file.binary.terrain", file_binary_terrain );

6
utilities/Globals.h
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@@ -206,6 +206,12 @@ struct global_settings {
float gfx_dlss_lodbias{ 0.f };
// gfx.dlss.developer: the development library of dlss (ngx_dev/ next to the program) with its indicator and debug keys
bool gfx_dlss_developer{ false };
// gfx.framegeneration off, x2, x3, x4: the frames shown for each frame drawn (dlss frame generation of the vulkan renderer, with
// gfx.antialiasing dlss or dlaa; x3 and x4 where the gpu has multi frame generation, else x2). 1: off. read at the start
int gfx_framegeneration{ 1 };
// gfx.reflex off, on, boost: nvidia reflex of the vulkan renderer (VK_NV_low_latency2), the frame begun as late as the gpu
// allows; on at least with the frame generation. read at the start
int gfx_reflex{ 0 };
float SplineFidelity{ 1.f }; // determines segment size during conversion of splines to geometry
float SleeperDistance{ 250.f }; // max distance (in meters) at which per-track sleeper models are still drawn; 0 disables sleeper rendering entirely
std::string Sleepers3D; // model of the sleepers and switch timbers laid where the simulator makes the ballast; empty: none