feat: groundwork for fp16 feature in lsfg-vk

8 files changed, 59 insertions, 18 deletions

diff --git a/package.json b/package.json
index 504c12c..cadb6fb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "decky-lossless-scaling-vk",
-  "version": "0.8.1",
+  "version": "0.9.0",
   "description": "Use Lossless Scaling on the Steam Deck using the lsfg-vk vulkan layer",
   "type": "module",
   "scripts": {
@@ -46,8 +46,8 @@
   "remote_binary": [
     {
       "name": "lsfg-vk_noui.zip",
-      "url": "https://github.com/PancakeTAS/lsfg-vk/releases/download/v1.0.0/lsfg-vk_noui.zip",
-      "sha256hash": "af5ee1626d9543349245520689da107c3ebc5ef3755086441fbb854173b8e096"
+      "url": "https://github.com/xXJSONDeruloXx/lsfg-vk/releases/download/fp16-test-1/lsfg-vk_noui.zip",
+      "sha256hash": "8291366916b29ba0c2bae465bde46980dccab52f7beb957f4c2416bb114d15c8"
     }
   ],
   "pnpm": {
diff --git a/py_modules/lsfg_vk/config_schema.py b/py_modules/lsfg_vk/config_schema.py
index bbace42..33f7b3e 100644
--- a/py_modules/lsfg_vk/config_schema.py
+++ b/py_modules/lsfg_vk/config_schema.py
@@ -167,14 +167,20 @@ class ConfigurationManager:
         lines = ["version = 1"]
         lines.append("")
         
-        # Add global section with DLL path only (if specified)
+        # Add global section with global fields
+        lines.append("[global]")
+        
+        # Add dll field if specified
         if config.get("dll"):
-            lines.append("[global]")
             lines.append(f"# specify where Lossless.dll is stored")
-            # Generate TOML lines for TOML fields only - USE GENERATED CONSTANTS
             from .config_schema_generated import DLL
             lines.append(f'dll = "{config[DLL]}"')
-            lines.append("")
+        
+        # Add no_fp16 field
+        from .config_schema_generated import NO_FP16
+        lines.append(f"# force-disable fp16 (use on older nvidia cards)")
+        lines.append(f"no_fp16 = {str(config[NO_FP16]).lower()}")
+        lines.append("")
         
         # Add game section with process name for LSFG_PROCESS approach
         lines.append("[[game]]")
@@ -184,8 +190,8 @@ class ConfigurationManager:
         
         # Add all configuration fields to the game section
         for field_name, field_def in CONFIG_SCHEMA.items():
-            # Skip dll field - dll goes in global section
-            if field_name == "dll":
+            # Skip global fields - they go in global section
+            if field_name in ("dll", "no_fp16"):
                 continue
                 
             value = config[field_name]
@@ -250,10 +256,14 @@ class ConfigurationManager:
                     elif value.startswith("'") and value.endswith("'"):
                         value = value[1:-1]
                     
-                    # Handle global section (dll only) - USE GENERATED CONSTANTS
-                    if in_global_section and key == "dll":
-                        from .config_schema_generated import DLL
-                        config[DLL] = value
+                    # Handle global section (dll and no_fp16) - USE GENERATED CONSTANTS
+                    if in_global_section:
+                        if key == "dll":
+                            from .config_schema_generated import DLL
+                            config[DLL] = value
+                        elif key == "no_fp16":
+                            from .config_schema_generated import NO_FP16
+                            config[NO_FP16] = value.lower() in ('true', '1', 'yes', 'on')
                     
                     # Handle game section
                     elif in_game_section:
diff --git a/py_modules/lsfg_vk/config_schema_generated.py b/py_modules/lsfg_vk/config_schema_generated.py
index 50d2a4f..85aa7d2 100644
--- a/py_modules/lsfg_vk/config_schema_generated.py
+++ b/py_modules/lsfg_vk/config_schema_generated.py
@@ -14,6 +14,7 @@ from shared_config import CONFIG_SCHEMA_DEF, ConfigFieldType
 
 # Field name constants for type-safe access
 DLL = "dll"
+NO_FP16 = "no_fp16"
 MULTIPLIER = "multiplier"
 FLOW_SCALE = "flow_scale"
 PERFORMANCE_MODE = "performance_mode"
@@ -31,6 +32,7 @@ ENABLE_WSI = "enable_wsi"
 class ConfigurationData(TypedDict):
     """Type-safe configuration data structure - AUTO-GENERATED"""
     dll: str
+    no_fp16: bool
     multiplier: int
     flow_scale: float
     performance_mode: bool
@@ -108,6 +110,7 @@ def get_script_generation_logic():
 def get_function_parameters() -> str:
     """Return function signature parameters"""
     return """dll: str = "/games/Lossless Scaling/Lossless.dll",
+                     no_fp16: bool = False,
                      multiplier: int = 1,
                      flow_scale: float = 0.8,
                      performance_mode: bool = True,
@@ -126,6 +129,7 @@ def create_config_dict(**kwargs) -> ConfigurationData:
     """Create configuration dictionary from keyword arguments"""
     return cast(ConfigurationData, {
         "dll": kwargs.get("dll"),
+        "no_fp16": kwargs.get("no_fp16"),
         "multiplier": kwargs.get("multiplier"),
         "flow_scale": kwargs.get("flow_scale"),
         "performance_mode": kwargs.get("performance_mode"),
@@ -142,6 +146,6 @@ def create_config_dict(**kwargs) -> ConfigurationData:
 
 
 # Field lists for dynamic operations
-TOML_FIELDS = ['dll', 'multiplier', 'flow_scale', 'performance_mode', 'hdr_mode', 'experimental_present_mode']
+TOML_FIELDS = ['dll', 'no_fp16', 'multiplier', 'flow_scale', 'performance_mode', 'hdr_mode', 'experimental_present_mode']
 SCRIPT_FIELDS = ['dxvk_frame_rate', 'enable_wow64', 'disable_steamdeck_mode', 'mangohud_workaround', 'disable_vkbasalt', 'force_enable_vkbasalt', 'enable_wsi']
-ALL_FIELDS = ['dll', 'multiplier', 'flow_scale', 'performance_mode', 'hdr_mode', 'experimental_present_mode', 'dxvk_frame_rate', 'enable_wow64', 'disable_steamdeck_mode', 'mangohud_workaround', 'disable_vkbasalt', 'force_enable_vkbasalt', 'enable_wsi']
+ALL_FIELDS = ['dll', 'no_fp16', 'multiplier', 'flow_scale', 'performance_mode', 'hdr_mode', 'experimental_present_mode', 'dxvk_frame_rate', 'enable_wow64', 'disable_steamdeck_mode', 'mangohud_workaround', 'disable_vkbasalt', 'force_enable_vkbasalt', 'enable_wsi']
diff --git a/py_modules/lsfg_vk/configuration_helpers_generated.py b/py_modules/lsfg_vk/configuration_helpers_generated.py
index b34865a..f8edd97 100644
--- a/py_modules/lsfg_vk/configuration_helpers_generated.py
+++ b/py_modules/lsfg_vk/configuration_helpers_generated.py
@@ -9,7 +9,7 @@ from .config_schema_generated import ConfigurationData, ALL_FIELDS
 
 def log_configuration_update(logger, config: ConfigurationData) -> None:
     """Log configuration update with all field values"""
-    logger.info(f"Updated lsfg TOML configuration: dll={config['dll']}, multiplier={config['multiplier']}, flow_scale={config['flow_scale']}, performance_mode={config['performance_mode']}, hdr_mode={config['hdr_mode']}, experimental_present_mode={config['experimental_present_mode']}, dxvk_frame_rate={config['dxvk_frame_rate']}, enable_wow64={config['enable_wow64']}, disable_steamdeck_mode={config['disable_steamdeck_mode']}, mangohud_workaround={config['mangohud_workaround']}, disable_vkbasalt={config['disable_vkbasalt']}, force_enable_vkbasalt={config['force_enable_vkbasalt']}, enable_wsi={config['enable_wsi']}")
+    logger.info(f"Updated lsfg TOML configuration: dll={config['dll']}, no_fp16={config['no_fp16']}, multiplier={config['multiplier']}, flow_scale={config['flow_scale']}, performance_mode={config['performance_mode']}, hdr_mode={config['hdr_mode']}, experimental_present_mode={config['experimental_present_mode']}, dxvk_frame_rate={config['dxvk_frame_rate']}, enable_wow64={config['enable_wow64']}, disable_steamdeck_mode={config['disable_steamdeck_mode']}, mangohud_workaround={config['mangohud_workaround']}, disable_vkbasalt={config['disable_vkbasalt']}, force_enable_vkbasalt={config['force_enable_vkbasalt']}, enable_wsi={config['enable_wsi']}")
 
 
 def get_config_field_names() -> list[str]:
diff --git a/shared_config.py b/shared_config.py
index 09aa596..cd8b3ed 100644
--- a/shared_config.py
+++ b/shared_config.py
@@ -28,6 +28,14 @@ CONFIG_SCHEMA_DEF = {
         "location": "toml"  # where this field is stored/used
     },
     
+    "no_fp16": {
+        "name": "no_fp16",
+        "fieldType": ConfigFieldType.BOOLEAN,
+        "default": False,
+        "description": "force-disable fp16 (use on older nvidia cards)",
+        "location": "toml"
+    },
+    
     "multiplier": {
         "name": "multiplier",
         "fieldType": ConfigFieldType.INTEGER,
diff --git a/src/components/ConfigurationSection.tsx b/src/components/ConfigurationSection.tsx
index 93d13a3..31ce278 100644
--- a/src/components/ConfigurationSection.tsx
+++ b/src/components/ConfigurationSection.tsx
@@ -4,7 +4,7 @@ import { RiArrowDownSFill, RiArrowUpSFill } from "react-icons/ri";
 import { ConfigurationData } from "../config/configSchema";
 import { FpsMultiplierControl } from "./FpsMultiplierControl";
 import {
-  FLOW_SCALE, PERFORMANCE_MODE, HDR_MODE, 
+  NO_FP16, FLOW_SCALE, PERFORMANCE_MODE, HDR_MODE, 
   EXPERIMENTAL_PRESENT_MODE, DXVK_FRAME_RATE, DISABLE_STEAMDECK_MODE,
   MANGOHUD_WORKAROUND, DISABLE_VKBASALT, FORCE_ENABLE_VKBASALT, ENABLE_WSI
 } from "../config/generatedConfigSchema";
@@ -115,6 +115,15 @@ export function ConfigurationSection({
 
       <PanelSectionRow>
         <ToggleField
+          label="Force Disable FP16"
+          description="Force-disable FP16 acceleration"
+          checked={config.no_fp16}
+          onChange={(value) => onConfigChange(NO_FP16, value)}
+        />
+      </PanelSectionRow>
+
+      <PanelSectionRow>
+        <ToggleField
           label="HDR Mode"
           description={config.enable_wsi ? "Enables HDR mode (only for games that support HDR)" : "Enable WSI in the workarounds menu to unlock HDR toggle"}
           checked={config.hdr_mode}
diff --git a/src/config/configSchema.ts b/src/config/configSchema.ts
index ed590df..b6ed9bb 100644
--- a/src/config/configSchema.ts
+++ b/src/config/configSchema.ts
@@ -20,7 +20,7 @@ export {
   getDefaults,
   getFieldTypes,
   // Field name constants for type-safe access
-  DLL, MULTIPLIER, FLOW_SCALE, PERFORMANCE_MODE, HDR_MODE,
+  DLL, NO_FP16, MULTIPLIER, FLOW_SCALE, PERFORMANCE_MODE, HDR_MODE,
   EXPERIMENTAL_PRESENT_MODE, DXVK_FRAME_RATE, ENABLE_WOW64,
   DISABLE_STEAMDECK_MODE, MANGOHUD_WORKAROUND, DISABLE_VKBASALT,
   FORCE_ENABLE_VKBASALT, ENABLE_WSI
diff --git a/src/config/generatedConfigSchema.ts b/src/config/generatedConfigSchema.ts
index 866558c..004d5dd 100644
--- a/src/config/generatedConfigSchema.ts
+++ b/src/config/generatedConfigSchema.ts
@@ -9,6 +9,7 @@ export enum ConfigFieldType {
 
 // Field name constants for type-safe access
 export const DLL = "dll" as const;
+export const NO_FP16 = "no_fp16" as const;
 export const MULTIPLIER = "multiplier" as const;
 export const FLOW_SCALE = "flow_scale" as const;
 export const PERFORMANCE_MODE = "performance_mode" as const;
@@ -38,6 +39,12 @@ export const CONFIG_SCHEMA: Record<string, ConfigField> = {
     default: "/games/Lossless Scaling/Lossless.dll",
     description: "specify where Lossless.dll is stored"
   },
+  no_fp16: {
+    name: "no_fp16",
+    fieldType: ConfigFieldType.BOOLEAN,
+    default: false,
+    description: "force-disable fp16 (use on older nvidia cards)"
+  },
   multiplier: {
     name: "multiplier",
     fieldType: ConfigFieldType.INTEGER,
@@ -115,6 +122,7 @@ export const CONFIG_SCHEMA: Record<string, ConfigField> = {
 // Type-safe configuration data structure
 export interface ConfigurationData {
   dll: string;
+  no_fp16: boolean;
   multiplier: number;
   flow_scale: number;
   performance_mode: boolean;
@@ -137,6 +145,7 @@ export function getFieldNames(): string[] {
 export function getDefaults(): ConfigurationData {
   return {
     dll: "/games/Lossless Scaling/Lossless.dll",
+    no_fp16: false,
     multiplier: 1,
     flow_scale: 0.8,
     performance_mode: true,
@@ -155,6 +164,7 @@ export function getDefaults(): ConfigurationData {
 export function getFieldTypes(): Record<string, ConfigFieldType> {
   return {
     dll: ConfigFieldType.STRING,
+    no_fp16: ConfigFieldType.BOOLEAN,
     multiplier: ConfigFieldType.INTEGER,
     flow_scale: ConfigFieldType.FLOAT,
     performance_mode: ConfigFieldType.BOOLEAN,