feat: add eta parameter (fixes #194)

api/onnx_web/chain/blend_inpaint.py

@@ -91,6 +91,7 @@ def blend_inpaint(
                 negative_prompt=params.negative_prompt,
                 num_inference_steps=params.steps,
                 width=size.width,
+                eta=params.eta,
                 callback=callback,
             )
         else:
@@ -106,6 +107,7 @@ def blend_inpaint(
                 negative_prompt=params.negative_prompt,
                 num_inference_steps=params.steps,
                 width=size.width,
+                eta=params.eta,
                 callback=callback,
             )
 

api/onnx_web/chain/upscale_stable_diffusion.py

@@ -88,5 +88,6 @@ def upscale_stable_diffusion(
         source,
         generator=generator,
         num_inference_steps=params.steps,
+        eta=params.eta,
         callback=callback,
     ).images[0]

api/onnx_web/diffusion/run.py

@@ -51,6 +51,7 @@ def run_txt2img_pipeline(
             latents=latents,
             negative_prompt=params.negative_prompt,
             num_inference_steps=params.steps,
+            eta=params.eta,
             callback=progress,
         )
     else:
@@ -64,6 +65,7 @@ def run_txt2img_pipeline(
             latents=latents,
             negative_prompt=params.negative_prompt,
             num_inference_steps=params.steps,
+            eta=params.eta,
             callback=progress,
         )
 
@@ -119,6 +121,7 @@ def run_img2img_pipeline(
             negative_prompt=params.negative_prompt,
             num_inference_steps=params.steps,
             strength=strength,
+            eta=params.eta,
             callback=progress,
         )
     else:
@@ -131,6 +134,7 @@ def run_img2img_pipeline(
             negative_prompt=params.negative_prompt,
             num_inference_steps=params.steps,
             strength=strength,
+            eta=params.eta,
             callback=progress,
         )
 

api/onnx_web/params.py

@@ -154,7 +154,8 @@ class ImageParams:
         steps: int,
         seed: int,
         negative_prompt: Optional[str] = None,
-        lpw: Optional[bool] = False,
+        lpw: bool = False,
+        eta: float = 0.0,
     ) -> None:
         self.model = model
         self.scheduler = scheduler
@@ -164,6 +165,7 @@ class ImageParams:
         self.seed = seed
         self.steps = steps
         self.lpw = lpw or False
+        self.eta = eta
 
     def tojson(self) -> Dict[str, Optional[Param]]:
         return {
@@ -175,6 +177,7 @@ class ImageParams:
             "seed": self.seed,
             "steps": self.steps,
             "lpw": self.lpw,
+            "eta": self.eta,
         }
 
     def with_args(self, **kwargs):
@@ -187,6 +190,7 @@ class ImageParams:
             kwargs.get("seed", self.seed),
             kwargs.get("negative_prompt", self.negative_prompt),
             kwargs.get("lpw", self.lpw),
+            kwargs.get("eta", self.eta),
         )
 
 

api/onnx_web/serve.py

@@ -172,6 +172,13 @@ def pipeline_from_request() -> Tuple[DeviceParams, ImageParams, Size]:
         get_config_value("cfg", "max"),
         get_config_value("cfg", "min"),
     )
+    eta = get_and_clamp_float(
+        request.args,
+        "eta",
+        get_config_value("eta"),
+        get_config_value("eta", "max"),
+        get_config_value("eta", "min"),
+    )
     steps = get_and_clamp_int(
         request.args,
         "steps",
@@ -220,6 +227,7 @@ def pipeline_from_request() -> Tuple[DeviceParams, ImageParams, Size]:
         cfg,
         steps,
         seed,
+        eta=eta,
         lpw=lpw,
         negative_prompt=negative_prompt,
     )

api/params.json

@@ -22,6 +22,12 @@
     "max": 1,
     "step": 0.1
   },
+  "eta": {
+    "default": 0.0,
+    "min": 0,
+    "max": 1,
+    "step": 0.1
+  },
   "faceOutscale": {
     "default": 1,
     "min": 1,

gui/src/client.ts

@@ -45,6 +45,7 @@ export interface BaseImgParams {
   cfg: number;
   steps: number;
   seed: number;
+  eta: number;
 }
 
 /**
@@ -279,6 +280,7 @@ export function makeApiUrl(root: string, ...path: Array<string>) {
 export function makeImageURL(root: string, type: string, params: BaseImgParams): URL {
   const url = makeApiUrl(root, type);
   url.searchParams.append('cfg', params.cfg.toFixed(FIXED_FLOAT));
+  url.searchParams.append('eta', params.eta.toFixed(FIXED_FLOAT));
   url.searchParams.append('steps', params.steps.toFixed(FIXED_INTEGER));
 
   if (doesExist(params.scheduler)) {

gui/src/components/control/ImageControl.tsx

@@ -34,23 +34,41 @@ export function ImageControl(props: ImageControlProps) {
   });
 
   return <Stack spacing={2}>
-    <QueryList
+    <Stack direction='row' spacing={4}>
-      id='schedulers'
+      <QueryList
-      labels={SCHEDULER_LABELS}
+        id='schedulers'
-      name='Scheduler'
+        labels={SCHEDULER_LABELS}
-      query={{
+        name='Scheduler'
-        result: schedulers,
+        query={{
-      }}
+          result: schedulers,
-      value={mustDefault(controlState.scheduler, '')}
+        }}
-      onChange={(value) => {
+        value={mustDefault(controlState.scheduler, '')}
-        if (doesExist(props.onChange)) {
+        onChange={(value) => {
-          props.onChange({
+          if (doesExist(props.onChange)) {
-            ...controlState,
+            props.onChange({
-            scheduler: value,
+              ...controlState,
-          });
+              scheduler: value,
-        }
+            });
-      }}
+          }
-    />
+        }}
+      />
+      <NumericField
+        decimal
+        label='Eta'
+        min={params.eta.min}
+        max={params.eta.max}
+        step={params.eta.step}
+        value={controlState.eta}
+        onChange={(eta) => {
+          if (doesExist(props.onChange)) {
+            props.onChange({
+              ...controlState,
+              eta,
+            });
+          }
+        }}
+      />
+    </Stack>
     <Stack direction='row' spacing={4}>
       <NumericField
         decimal

gui/src/state.ts

@@ -200,6 +200,7 @@ export const DEFAULT_HISTORY = {
 export function baseParamsFromServer(defaults: ServerParams): Required<BaseImgParams> {
   return {
     cfg: defaults.cfg.default,
+    eta: defaults.eta.default,
     negativePrompt: defaults.negativePrompt.default,
     prompt: defaults.prompt.default,
     scheduler: defaults.scheduler.default,