TextureToTensor only provides a method to use ComputeShader, and cannot be used on devices that do not support ComputeShader

[dong52008]

Environment (please complete the following information):

• OS/OS Version: Android 5.1
• Source Version: master/v0.2.0
• Unity Version: Unity 2022.3.46f1

Describe the bug
TextureToTensor only provides a method to use ComputeShader, and cannot be used on devices that do not support ComputeShader.

To Reproduce
Steps to reproduce the behavior:

1. Open the onnxruntime-unity-examples project and change the Minimum API Level in Player Settings to API level 22.
2. Build Apk.
3. Running on devices that don't support ComputeShader.

Expected behavior
error message:
TextureToTensor.compute: Kernel at index (0) is invalid
Microsoft.ML.OnnxRuntime.Unity.TextureToTensor1:Transform(Texture, Matrix4x4&) Microsoft.ML.OnnxRuntime.Unity.TextureToTensor1:Transform(Texture, AspectMode)
Microsoft.ML.OnnxRuntime.Unity.ImageInference1:PreProcess(Texture) Microsoft.ML.OnnxRuntime.Unity.ImageInference1:Run(Texture)d__14:MoveNext()
System.Runtime.CompilerServices.AsyncTaskMethodBuilder:Start(TStateMachine&)
Sample:Detect()d__12:MoveNext()

Screenshots
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Additional context
Add any other context about the problem and error logs here.

[asus4]

Thank you @dong52008. The TextureToTensor using only the CPU version can solve the issue. Supporting legacy Android devices is a low priority, but we may consider supporting them if there is sufficient demand.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.