From 1aa44abcaba07ab2e5ba768d6f3e9882a3e694f9 Mon Sep 17 00:00:00 2001
From: Prianka Liz Kariat <prianka.kariat@ymedialabs.com>
Date: Wed, 24 May 2023 20:25:45 +0530
Subject: [PATCH] Revert "Added support to set delegates in MPPBaseOptions"

This reverts commit 1e1693d9aaf348fdf1d2fa9d2836bd76056b1c54.
---
 .../tasks/ios/core/sources/MPPBaseOptions.h   | 21 +------------------
 .../tasks/ios/core/sources/MPPBaseOptions.m   |  1 -
 .../utils/sources/MPPBaseOptions+Helpers.mm   | 13 ------------
 3 files changed, 1 insertion(+), 34 deletions(-)

diff --git a/mediapipe/tasks/ios/core/sources/MPPBaseOptions.h b/mediapipe/tasks/ios/core/sources/MPPBaseOptions.h
index 9f61d872a..bef6bb9ee 100644
--- a/mediapipe/tasks/ios/core/sources/MPPBaseOptions.h
+++ b/mediapipe/tasks/ios/core/sources/MPPBaseOptions.h
@@ -16,17 +16,6 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-/**
- * MediaPipe Tasks delegate.
- */
- typedef NS_ENUM(NSUInteger, MPPDelegate) {
-   /** CPU. */
-   MPPDelegateCPU,
-
-   /** GPU. */
-   MPPDelegateGPU
- } NS_SWIFT_NAME(Delegate);
-
 /**
  * Holds the base options that is used for creation of any type of task. It has fields with
  * important information acceleration configuration, TFLite model source etc.
@@ -34,17 +23,9 @@ NS_ASSUME_NONNULL_BEGIN
 NS_SWIFT_NAME(BaseOptions)
 @interface MPPBaseOptions : NSObject <NSCopying>
 
-/**
- * The absolute path to a model asset file (a tflite model or a model asset bundle file) stored in the app bundle.
- */
+/** The path to the model asset to open and mmap in memory. */
 @property(nonatomic, copy) NSString *modelAssetPath;
 
-/**
- * Device delegate to run the MediaPipe pipeline. If the delegate is not set, the default
- * delegate CPU is used.
- */
-@property(nonatomic) MPPDelegate delegate;
-
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/mediapipe/tasks/ios/core/sources/MPPBaseOptions.m b/mediapipe/tasks/ios/core/sources/MPPBaseOptions.m
index c3571c4b4..a43119ad8 100644
--- a/mediapipe/tasks/ios/core/sources/MPPBaseOptions.m
+++ b/mediapipe/tasks/ios/core/sources/MPPBaseOptions.m
@@ -28,7 +28,6 @@
   MPPBaseOptions *baseOptions = [[MPPBaseOptions alloc] init];
 
   baseOptions.modelAssetPath = self.modelAssetPath;
-  baseOptions.delegate = self.delegate;
 
   return baseOptions;
 }
diff --git a/mediapipe/tasks/ios/core/utils/sources/MPPBaseOptions+Helpers.mm b/mediapipe/tasks/ios/core/utils/sources/MPPBaseOptions+Helpers.mm
index a97487cd9..73bcac49d 100644
--- a/mediapipe/tasks/ios/core/utils/sources/MPPBaseOptions+Helpers.mm
+++ b/mediapipe/tasks/ios/core/utils/sources/MPPBaseOptions+Helpers.mm
@@ -33,19 +33,6 @@ using BaseOptionsProto = ::mediapipe::tasks::core::proto::BaseOptions;
   if (self.modelAssetPath) {
     baseOptionsProto->mutable_model_asset()->set_file_name(self.modelAssetPath.UTF8String);
   }
-  
-  switch (self.delegate) {
-     case MPPDelegateCPU: {
-       baseOptionsProto->mutable_acceleration()->mutable_tflite();
-       break;
-     }
-     case MPPDelegateGPU: {
-       baseOptionsProto->mutable_acceleration()->mutable_gpu();
-       break;
-     }
-     default:
-       break;
-   }
 }
 
 @end