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* Fix 7441: CUDA boolean vector layout to use 1-byte elements
Boolean vectors (bool1, bool2, bool3, bool4) were incorrectly implemented
as integer-based types using 4 bytes per element instead of actual 1-byte
boolean elements on CUDA targets.
Changes:
- Update CUDA prelude to define boolean vectors as structs with bool fields
instead of typedef aliases to integer vectors
- Implement CUDALayoutRulesImpl::GetVectorLayout to use 1-byte alignment
for boolean vectors, matching actual CUDA memory layout behavior
- Update make_bool functions to populate struct fields correctly
This ensures boolean vectors have the same memory layout as bool[4] arrays:
- bool1: 1 byte (was 4 bytes)
- bool2: 2 bytes (was 8 bytes)
- bool3: 3 bytes (was 12 bytes)
- bool4: 4 bytes (was 16 bytes)
Fixes memory layout mismatch between Slang reflection API and actual
CUDA compilation, achieving 75% memory savings for boolean vector usage.
* Fix CI issues -
Add and update associated functions and operators
* Make boolX same as uchar
* Use align construct on struct for boolX
* Improve Test case for robust alignment checks
* Formatting
* Disable selected slangpy tests
* add metal check which is slightly different than cuda
* Test-1
* Test-2
* Test-3
* Test-4
* ReflectionChange
* cleanup and update
* _slang_select with plain bool is needed for reverse-loop-checkpoint-test
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* Fix mesh shader reflection JSON output
Fixes issue #7736 where mesh shaders were showing stage "UNKNOWN" and missing type information in reflection JSON output.
Changes:
- Add missing SLANG_STAGE_MESH and SLANG_STAGE_AMPLIFICATION cases to shader stage switch statements in emitReflectionVarBindingInfoJSON and emitReflectionEntryPointJSON
- Add missing MeshOutput to TypeReflection::Kind enum in slang.h
- Add missing type kind cases (OutputStream, MeshOutput, Specialized, None) to emitReflectionTypeInfoJSON
Testing:
- Simple mesh shader now correctly shows "stage": "mesh" instead of "UNKNOWN"
- Complex mesh shader with parameters shows proper stage and input type information
- Output parameters show "kind": "None" instead of crashing with assertion
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-authored-by: pdeayton-nv <pdeayton-nv@users.noreply.github.com>
* Remove test files from mesh shader reflection fix
As requested, removed test files since there is no testing infrastructure
for reflection JSON output. Focus is now only on the core mesh and
amplification shader reflection fixes.
Co-authored-by: pdeayton-nv <pdeayton-nv@users.noreply.github.com>
* Address review comments: move MeshOutput enum to end and restore assert
- Move MeshOutput enum member to end of TypeReflection::Kind enum for backward compatibility
- Replace fprintf with SLANG_ASSERT for unhandled type kinds
Co-authored-by: pdeayton-nv <pdeayton-nv@users.noreply.github.com>
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Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: pdeayton-nv <pdeayton-nv@users.noreply.github.com>
Co-authored-by: Yong He <yonghe@outlook.com>
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Texture2D from Sampler2D (#7901)
* Initial plan
* Add SLANG_TEXTURE_COMBINED_FLAG to differentiate combined texture-samplers
Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com>
* Fix regression in hlsl-to-vulkan-combined test by updating expected output
Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com>
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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com>
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Apply argument buffer tier2 rule when using parameter block for Metal target.
Close #6803.
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* Fix User Attribute string reflection
Fixes #6794
* Fix strings not being properly escaped
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Co-authored-by: Darren Wihandi <65404740+fairywreath@users.noreply.github.com>
Co-authored-by: Yong He <yonghe@outlook.com>
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* image format json reflection
* format code
* use direct include
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Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
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* Add inner texture type to reflection json
* Add expected result of test
* Adjust test expected results
* Fix ci test result
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Co-authored-by: Yong He <yonghe@outlook.com>
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Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
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* Moved the pretty writer code from slang-reflection-test into core
* Moved reflection test code into the slang codebase and added the compiler option -reflection-json to store the reflection data in a separate file.
* Documented -reflection-json command line option
* moved PrettyWriter from core to compiler-core
* Fixed variable shadowing warning
* Use File::writeAllText instead of OSFilesystem and write to stdout if - is used as the path
* format code
* Fixed linker error
* Fix COM Ptr life time issues.
* Move enum to the end.
* Fix formatting.
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Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
Co-authored-by: Yong He <yonghe@outlook.com>
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