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PHASE2_CONFORMANCE_REPORT.md

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Phase 2 Conformance Test Results

Build Information

  • Date: 2026-03-22 01:25:16
  • rustVX Status: Built Successfully (without SIMD feature - feature not available)
  • CTS Version: OpenVX 1.1 CTS (45722c3)

API Coverage

Exported Functions Analysis

  • Total Functions Exported: 50
  • Target Functions: ~300
  • Coverage: 16.7%

Complete List of Exported Functions

vxAssignNodeCallback
vxCopyConvolutionCoefficients
vxCopyLUT
vxCopyMatrix
vxCreateContext
vxCreateConvolution
vxCreateGenericNode
vxCreateGraph
vxCreateImage
vxCreateImageFromHandle
vxCreateLUT
vxCreateMatrix
vxCreatePyramid
vxCreateScalar
vxCreateThreshold
vxCreateVirtualImage
vxGetContext
vxGetKernelByEnum
vxGetKernelByName
vxGetKernelParameterByIndex
vxGetPyramidLevel
vxGetStatus
vxLoadKernels
vxMapImagePatch
vxQueryImage
vxQueryKernel
vxQueryNode
vxQueryParameter
vxQueryScalar
vxReleaseContext
vxReleaseConvolution
vxReleaseGraph
vxReleaseImage
vxReleaseKernel
vxReleaseLUT
vxReleaseMatrix
vxReleaseNode
vxReleaseParameter
vxReleasePyramid
vxReleaseScalar
vxReleaseThreshold
vxRemoveNode
vxRetainReference
vxSetImageAttribute
vxSetNodeAttribute
vxSetParameterByIndex
vxSetParameterByReference
vxSetThresholdAttribute
vxUnloadKernels
vxUnmapImagePatch

CTS Build Status

CMake Configuration: ✅ SUCCESS

  • OpenVX headers found: /home/simon/.openclaw/workspace/rustVX/include
  • OpenVX library found: /home/simon/.openclaw/workspace/rustVX/target/release/libopenvx_ffi.so
  • Configuration completed without errors

Compilation: ✅ SUCCESS

  • All test files compiled successfully
  • Only minor warnings (no errors)

Linking: ❌ FAILED

Critical Linker Errors - Undefined References

The CTS test suite requires many functions that are not yet implemented in rustVX. The link step failed with hundreds of undefined reference errors.

Missing Functions (Blocking CTS)

High Priority - Core API Functions

Context Management

  • vxQueryContext
  • vxSetContextAttribute

Reference Management

  • vxQueryReference
  • vxReleaseReference
  • vxSetReferenceName

Graph Operations

  • vxVerifyGraph
  • vxProcessGraph
  • vxQueryGraph
  • vxWaitGraph
  • vxScheduleGraph
  • vxIsGraphVerified
  • vxReplicateNode

Kernel/User Kernel Functions

  • vxAddUserKernel
  • vxAllocateUserKernelId
  • vxAllocateUserKernelLibraryId

Array Operations

  • vxQueryArray
  • vxMapArrayRange
  • vxUnmapArrayRange

Image Operations

  • vxFormatImagePatchAddress2d

Scalar Operations

  • vxCopyScalar

Logging/Debugging

  • vxRegisterLogCallback
  • vxAddLogEntry
  • vxDirective

User Struct Functions

  • vxRegisterUserStructWithName
  • vxGetUserStructNameByEnum
  • vxGetUserStructEnumByName

Node Target

  • vxSetNodeTarget

Medium Priority - Vision Operations

Most vision function kernels are missing (e.g., vxBox3x3, vxGaussian3x3, vxSobel3x3, vxCannyEdgeDetector, etc.) but these are implemented as nodes rather than exported C functions.

Test Results Summary

No tests were run because the CTS executable could not be linked due to missing function implementations.

Test Suite Status Total Passed Failed Skipped Pass Rate
Base Feature Tests ❌ NOT RUN N/A N/A N/A N/A N/A
Vision Conformance Tests ❌ NOT RUN N/A N/A N/A N/A N/A
Image Format Tests ❌ NOT RUN N/A N/A N/A N/A N/A
Graph Tests ❌ NOT RUN N/A N/A N/A N/A N/A
Full Test Suite ❌ NOT RUN N/A N/A N/A N/A N/A

Failed Build Analysis

Critical Failures (Must Fix for CTS)

  1. Missing Core Context Functions

    • vxQueryContext - Required for context introspection
    • vxSetContextAttribute - Required for context configuration

  2. Missing Reference Management

    • vxQueryReference - Required by test engine utilities
    • vxReleaseReference - Generic reference release

  3. Missing Graph Operations

    • vxVerifyGraph - Essential for graph compilation
    • vxProcessGraph - Essential for graph execution
    • vxQueryGraph - Required for graph introspection
    • vxScheduleGraph / vxWaitGraph - Async execution support

  4. Missing User Kernel Support

    • vxAddUserKernel - Required for user-defined kernels
    • vxAllocateUserKernelId / vxAllocateUserKernelLibraryId - Kernel registration

  5. Missing Array Operations

    • vxQueryArray / vxMapArrayRange / vxUnmapArrayRange - Array data access

  6. Missing Image Utilities

    • vxFormatImagePatchAddress2d - Used by test engine for image manipulation

Compilation Warnings (Non-Critical)

The following warnings were seen during compilation but did not prevent the build:

  • vxAddUserKernel warning about string buffer size (related to fixed-size vx_char[256])

Conformance Status

NOT CONFORMANT

The implementation is at Phase 2 with basic data structures and some function stubs, but lacks critical functionality required for CTS:

  1. 16.7% API Coverage - Only 50 of ~300 functions exported
  2. CTS Build Failed - Link errors prevent test execution
  3. Core Features Missing - Graph execution, verification, and async operations not implemented

Recommendations for Phase 3

Priority 1: Fix Link Errors (Block CTS)

  1. Implement missing core functions:
    • vxQueryContext, vxSetContextAttribute
    • vxQueryReference, vxReleaseReference
    • vxVerifyGraph, vxProcessGraph, vxQueryGraph
    • vxQueryArray, vxMapArrayRange, vxUnmapArrayRange
    • vxFormatImagePatchAddress2d
    • vxCopyScalar
    • vxRegisterLogCallback, vxAddLogEntry

Priority 2: User Kernel Support

  1. Implement vxAddUserKernel infrastructure
  2. Implement kernel ID allocation functions
  3. Implement user struct registration

Priority 3: Vision Kernel Implementations

  1. Implement core vision kernels (Sobel, Canny, Gaussian, etc.)
  2. Ensure kernels are properly registered and accessible

Priority 4: Test and Iterate

  1. Rebuild CTS after fixing link errors
  2. Run base tests and identify runtime failures
  3. Fix runtime errors iteratively
  4. Achieve passing CTS for base features first
  5. Then tackle vision conformance

Estimated Time to Full Conformance

8-12 weeks with focused effort:

  • Week 1-2: Implement core missing functions (link errors)
  • Week 3-4: Fix runtime CTS base test failures
  • Week 5-8: Implement vision kernels and fix vision CTS failures
  • Week 9-12: Optimization and edge case handling

Build Artifacts

  • build.log - Rust build output
  • exported_functions.txt - List of all exported vx* functions
  • cmake.log - CTS CMake configuration output
  • make.log - CTS compilation output with link errors

Report generated automatically by Phase 2 Conformance Test Suite