From 41347fc1b4897045483d61ebf0c8192af1d92d97 Mon Sep 17 00:00:00 2001
From: Bas Krahmer <baskrahmer@gmail.com>
Date: Thu, 9 Nov 2023 16:54:38 +0100
Subject: [PATCH] Swin2sr onnx (#1492)

* Add ONNX export support for swin2SR models

* Add feature extraction task

* Add testing model

* Add Swin2srOnnxConfig class

* Update optimum/exporters/tasks.py

---------

Co-authored-by: fxmarty <9808326+fxmarty@users.noreply.github.com>
---
 optimum/exporters/onnx/base.py          | 3 +++
 optimum/exporters/onnx/model_configs.py | 4 ++++
 optimum/exporters/tasks.py              | 6 ++++++
 tests/exporters/exporters_utils.py      | 1 +
 4 files changed, 14 insertions(+)

diff --git a/optimum/exporters/onnx/base.py b/optimum/exporters/onnx/base.py
index 6765f3310c..2958d3d920 100644
--- a/optimum/exporters/onnx/base.py
+++ b/optimum/exporters/onnx/base.py
@@ -152,6 +152,9 @@ class OnnxConfig(ExportConfig, ABC):
         "image-classification": OrderedDict({"logits": {0: "batch_size"}}),
         "image-segmentation": OrderedDict({"logits": {0: "batch_size", 1: "num_labels", 2: "height", 3: "width"}}),
         "image-to-text": OrderedDict({"logits": {0: "batch_size", 1: "sequence_length"}}),
+        "image-to-image": OrderedDict(
+            {"reconstruction": {0: "batch_size", 1: "num_channels", 2: "height", 3: "width"}}
+        ),
         "mask-generation": OrderedDict({"logits": {0: "batch_size"}}),
         "masked-im": OrderedDict(
             {"reconstruction" if check_if_transformers_greater("4.29.0") else "logits": {0: "batch_size"}}
diff --git a/optimum/exporters/onnx/model_configs.py b/optimum/exporters/onnx/model_configs.py
index b5d67e5040..a330e23bfb 100644
--- a/optimum/exporters/onnx/model_configs.py
+++ b/optimum/exporters/onnx/model_configs.py
@@ -739,6 +739,10 @@ class SwinOnnxConfig(ViTOnnxConfig):
     pass
 
 
+class Swin2srOnnxConfig(SwinOnnxConfig):
+    pass
+
+
 class PoolFormerOnnxConfig(ViTOnnxConfig):
     NORMALIZED_CONFIG_CLASS = NormalizedVisionConfig
     ATOL_FOR_VALIDATION = 2e-3
diff --git a/optimum/exporters/tasks.py b/optimum/exporters/tasks.py
index 46ee59be34..2208a6fe26 100644
--- a/optimum/exporters/tasks.py
+++ b/optimum/exporters/tasks.py
@@ -168,6 +168,7 @@ class TasksManager:
             "fill-mask": "AutoModelForMaskedLM",
             "image-classification": "AutoModelForImageClassification",
             "image-segmentation": ("AutoModelForImageSegmentation", "AutoModelForSemanticSegmentation"),
+            "image-to-image": "AutoModelForImageToImage",
             "image-to-text": "AutoModelForVision2Seq",
             "mask-generation": "AutoModel",
             "masked-im": "AutoModelForMaskedImageModeling",
@@ -884,6 +885,11 @@ class TasksManager:
             "masked-im",
             onnx="SwinOnnxConfig",
         ),
+        "swin2sr": supported_tasks_mapping(
+            "feature-extraction",
+            "image-to-image",
+            onnx="Swin2srOnnxConfig",
+        ),
         "t5": supported_tasks_mapping(
             "feature-extraction",
             "feature-extraction-with-past",
diff --git a/tests/exporters/exporters_utils.py b/tests/exporters/exporters_utils.py
index 105a5a7d77..e0640b7657 100644
--- a/tests/exporters/exporters_utils.py
+++ b/tests/exporters/exporters_utils.py
@@ -120,6 +120,7 @@
     "splinter": "hf-internal-testing/tiny-random-SplinterModel",
     "squeezebert": "hf-internal-testing/tiny-random-SqueezeBertModel",
     "swin": "hf-internal-testing/tiny-random-SwinModel",
+    "swin2sr": "hf-internal-testing/tiny-random-Swin2SRModel",
     "t5": "hf-internal-testing/tiny-random-t5",
     "vit": "hf-internal-testing/tiny-random-vit",
     "yolos": "hf-internal-testing/tiny-random-YolosModel",