gridsample vulkan shader

[futz12]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.79%. Comparing base (06c4da1) to head (8bcb4db).

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #6474       +/-   ##
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- Coverage   95.90%   94.79%    -1.12%     
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  Files         845      548      -297     
  Lines      265399   160114   -105285     
===========================================
- Hits       254531   151779   -102752     
+ Misses      10868     8335     -2533     

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[Copilot]

Pull request overview

This PR adds Vulkan shader support for the GridSample layer, enabling GPU-accelerated grid sampling operations with bilinear, nearest, and bicubic interpolation modes.

Key Changes

• Implements a complete Vulkan compute shader for grid sampling with support for 2D and 3D input tensors
• Adds GridSample_vulkan class with pipeline creation, destruction, and forward pass implementation
• Supports multiple interpolation modes (bilinear, nearest, bicubic) and padding modes (zeros, border, reflection)

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 5 comments.

File	Description
src/layer/vulkan/shader/gridsample.comp	Complete compute shader implementing grid sampling with coordinate transformations, boundary handling, and interpolation algorithms
src/layer/vulkan/gridsample_vulkan.h	Header file declaring the GridSample_vulkan class inheriting from GridSample base class
src/layer/vulkan/gridsample_vulkan.cpp	Implementation of Vulkan-specific pipeline management and forward pass with dynamic dimension handling

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[tencent-adm]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 2 committers have signed the CLA.

✅ futz12
❌ nihui
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[github-actions]

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