Skip to content

cts-fix-plan.md

Latest commit

 

History

History
75 lines (61 loc) · 2.79 KB

cts-fix-plan.md

File metadata and controls

75 lines (61 loc) · 2.79 KB

RustVX OpenVX Conformance Fix Plan

Problem Statement

The rustVX implementation fails to link because critical OpenVX API functions are missing or stubbed. While 27 baseline tests pass (context/graph), the vision API functions required for full conformance are not properly exported or implemented.

Root Cause

  1. Exported Functions: Only ~33 functions exported vs ~300 required for full OpenVX 1.3 conformance
  2. Missing Vision Kernels: All vision kernels are stubs or missing
  3. Missing Data Objects: Scalars, Thresholds, Arrays, Convolution, Matrix, LUT, Pyramid, Remap not implemented

Functions to Add/Fix

Reference Management (Critical)

  • vxRetainReference - Increment reference count
  • vxReleaseReference - Decrement reference count
  • vxQueryReference - Query reference attributes
  • vxSetReferenceName - Set reference name for debugging
  • vxGetContext - Get context from reference
  • vxGetStatus - Get error status

Image Objects (Critical)

  • vxCreateImage - Create image with format
  • vxCreateVirtualImage - Create virtual image
  • vxCreateImageFromHandle - Create image from handle
  • vxQueryImage - Query image attributes
  • vxMapImagePatch - Map image for CPU access
  • vxUnmapImagePatch - Unmap image
  • vxSetImageAttribute - Set image attributes
  • vxFormatImagePatchAddress2d - Calculate patch address

Vision Kernels (Critical - Stubs need implementation)

  • vxColorConvert - Color space conversion
  • vxGaussian3x3 - 3x3 Gaussian filter
  • vxSobel3x3 - Sobel edge detection
  • vxAdd - Element-wise addition
  • vxThreshold - Threshold operation
  • vxErode3x3 - Morphological erosion
  • vxDilate3x3 - Morphological dilation
  • vxAnd - Bitwise AND
  • vxOr - Bitwise OR
  • vxBox3x3 - Box filter
  • vxMedian3x3 - Median filter

Data Objects (Critical)

  • vxCreateScalar - Scalar data
  • vxCreateThreshold - Threshold object
  • vxCreateArray - Array object
  • vxCreateConvolution - Convolution object
  • vxCreateMatrix - Matrix object
  • vxCreateLUT - Lookup table
  • vxCreatePyramid - Image pyramid
  • vxCreateRemap - Remap table

Graph/Node Management

  • vxQueryNode - Query node attributes
  • vxReleaseNode - Release node
  • vxSetNodeAttribute - Set node attributes
  • vxReplicateNode - Replicate node for batch processing

Kernel Management

  • vxLoadKernels - Load kernel libraries
  • vxGetKernelByName - Find kernel by name
  • vxUnloadKernels - Unload kernel libraries
  • vxGetKernelParameterByIndex - Access kernel parameters

Implementation Steps

  1. Add all vx* functions to FFI exports in lib.rs
  2. Implement actual vision kernel algorithms
  3. Add proper image object constructors and accessors
  4. Ensure all vx* functions link correctly

Next: Update the FFI exports to include all required functions for OpenVX 1.3 conformance.