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path: root/source/slang/slang-emit-spirv.cpp
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2025-09-26Add SPV_NV_bindless_texture support (#8534)Lujin Wang
Treat DescriptorHandle as uint64_t instead of uint2. Implement target-specific SPIR-V emission with the bindless texture support. For OpImageTexelPointer, Image must have a type of OpTypePointer with Type OpTypeImage. Fix the issue by using [constref] in __subscript. Add a test coverage for various texture/sampler handle types. --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-09-18Fix DebugCompilationUnit to reference main shader file instead of header ↵Lujin Wang
files (#7957) This PR implements the requested fix for issue #7923 where DebugCompilationUnit incorrectly referenced header files instead of the main shader file. ## Summary - Modified IRDebugSource to include isIncludedFile flag as third operand - Updated emitDebugSource function to accept and pass the included file flag - Updated call sites to use source->isIncludedFile() from SourceFile class - Modified SPIR-V emission to only create DebugCompilationUnit for non-included files ## Test Results The fix has been verified with the provided reproducer code. The SPIR-V output now correctly shows DebugCompilationUnit referencing the main shader file instead of header files. Generated with [Claude Code](https://claude.ai/code) --------- Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: Lujin Wang <lujinwangnv@users.noreply.github.com> Co-authored-by: Claude Code <claude@anthropic.com> Co-authored-by: slangbot <ellieh+slangbot@nvidia.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-09-10Fix pointers and C-like layout in varying parameters (#8425)Julius Ikkala
Closes #8409, but ended up being more about fixing another bug. While the issue itself seems to only be a simple typo fix (see second commit in this PR), I found out during writing a test that pointers never got correct locations regardless of layout. Their locations were always assigned to zero due to lacking a resource usage entry in `TypeLayout`. They were also missing the `Flat` decoration, so I went ahead and added that too. I can split this up into two separate PRs if that's preferred; both aspects just share a test right now and fix a similar-looking issue in the resulting SPIR-V.
2025-09-08Don't emit ArrayStride 0 for RWStructuredBuffer pointers (#8397)Julius Ikkala
Fixes #8396 by not emitting the `ArrayStride` when it would've been zero. The problem is caused by #7848, more details in the issue description. I checked that with equivalent GLSL code, glslangValidator does not emit any `ArrayStride`. I assume that the addition of `storageClass == SpvStorageClassStorageBuffer` to line 1848 is not a mistake. If it is, that addition could also be simply reverted to fix this issue, I tested that option as well. With these changes, Slang tests work locally on my PC again. Related to this; it'd be nice to have GPUs from multiple vendors in the CI to avoid this kind of thing happening again. Or even just llvmpipe; that doesn't even require a GPU and would add at least one more driver to test with.
2025-08-29[CBP] Pointer frontend changes + groupshared pointer support (#7848)ArielG-NV
Resolves #7628 Resolves: #8197 Primary Goals: 1. Add `Access` to pointer 2. AddressSpace::GroupShared support for pointers (SPIR-V) 3. Add `__getAddress()` to replace `&` * `&` is not updated to `require(cpu)` since slangpy uses `&`. This means we must: (1) merge PR; (2) replace `&` with `__getAddress()`; (3) add `require(cpu)` to `&` Changes: * Added to `Ptr` the `Access` generic argument & logic (for `Access::Read`). * Moved the generic argument `AddressSpace` from `Ptr` to the end of the type. * Added pointer casting support between any `Ptr` as long as the `AddressSpace` is the same * Disallow globallycoherent T* and coherent T* * Disallow const T*, T const*, and const T* * Fixed .natvis display of `ConstantValue` `ValOperandNode` * Support generic resolution of type-casted integers * Added `VariablePointer` emitting for spirv + other minor logic needed for groupshared pointers Breaking Changes: * Anyone using the `AddressSpace` of `Ptr` will now have to account for the `Access` argument * we disallow various syntax paired with `Ptr` and `T*` --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-08-28Add SPIRV OpCapability for 8/16bit use in storage (#8194)James Helferty (NVIDIA)
Emits the appropriate OpCapability for 8- and 16-bit type usage: - UniformAndStorageBuffer8BitAccess: for 16-bit types in SpvStorageClassUniform and SpvStorageClassStorageBuffer - UniformAndStorageBuffer16BitAccess: for 16-bit types in SpvStorageClassUniform and SpvStorageClassStorageBuffer - StoragePushConstant8: for 8-bit types in SpvStorageClassPushConstant - StoragePushConstant16: for 16-bit types in SpvStorageClassPushConstant - StorageInputOutput16: for 16-bit types in SpvStorageClassInput and SpvStorageClassOutput Generated with Claude Code, with revisions. Fixes #7879. --------- Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: James Helferty (NVIDIA) <jhelferty-nv@users.noreply.github.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-08-22Fix mesh shader OutputIndices subscript error by adding missing ref accessor ↵Lujin Wang
(#7929) Fixes the Slang compiler internal error "subscript had no getter" when reading from mesh shader output index arrays (e.g., `triangles[0].x`). ## Problem The `OutputIndices` struct was missing a `ref` accessor in its `__subscript` implementation, causing the compiler to fail when trying to materialize subscript expressions as r-values. ## Solution Added the missing `ref` accessor to `OutputIndices.__subscript` using the `kIROp_MeshOutputRef` intrinsic operation, matching the pattern used in `OutputVertices` and `OutputPrimitives`. ## Files Changed - `source/slang/core.meta.slang` - Added missing `ref` accessor - `tests/bugs/gh-7925.slang` - Test case to reproduce and verify the fix Fixes #7925 Generated with [Claude Code](https://claude.ai/code) --------- Co-authored-by: Claude <noreply@anthropic.com> Co-authored-by: Lujin Wang <lujinwangnv@users.noreply.github.com> Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: slangbot <ellieh+slangbot@nvidia.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-08-21Introduce CDataLayout & -fvk-use-c-layout (#8136)Julius Ikkala
Closes #8112. ~~The issue asks for a "C layout", but in this PR I use the term "CPU layout" because this naming was pre-existing in the codebase as `kCPULayoutRulesImpl_`. The primary purpose of this layout is to match CPU-side struct definitions with the shader side. I'm open to better naming suggestions, though.~~ Edit: switched back to using `CDataLayout` & `-fvk-use-c-layout`, as the CPU target depends on the object layout rules of existing CPU layout rules, but they're incompatible with actual shaders. So a new `kCLayoutRulesImpl_` was needed anyway. --------- Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2025-08-21Implement SV_VulkanSamplePosition (#8236)davli-nv
-Adds semantic SV_VulkanSamplePosition that emits corresponding gl_SamplePosition and SpvBuiltinSamplePosition -Adds gl_SamplePosition property to glsl.meta.slang -Adds SPIRV and GLSL tests for the semantic and property -Plan is to later implement SV_SamplePosition that follows HLSL range of -0.5 to +0.5, and emits GetRenderTargetSamplePosition(SV_SampleIndex) which needs more complicated IR manipulation for HLSL and Metal Fixes #7906 --------- Co-authored-by: ArielG-NV <159081215+ArielG-NV@users.noreply.github.com>
2025-08-09[SPIR-V] Emit control flags for `branch/flatten` decorations (#8134)amidescent
Co-authored-by: Jay Kwak <82421531+jkwak-work@users.noreply.github.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-08-07Fix atomic fp16 vector SPIRV emit (#8104)jarcherNV
Update the SPIRV emit of atomic fp16 vector extension from its previous incorrect name to SPV_NV_shader_atomic_fp16_vector.
2025-08-06Fix noperspective modifier for SV_Barycentrics in SPIRV and GLSL (#8067)davli-nv
* Fix noperspective modifier for SV_Barycentrics in SPIRV and GLSL - Added test case with both regular and noperspective SV_Barycentrics inputs 🤖 Generated with [Claude Code](https://claude.ai/code) Co-authored-by: davli-nv <davli-nv@users.noreply.github.com> * fixup format * address review https://github.com/shader-slang/slang/pull/8067#pullrequestreview-3090037501 * address review https://github.com/shader-slang/slang/pull/8067#discussion_r2255818595 * add test case from review --------- Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: davli-nv <davli-nv@users.noreply.github.com>
2025-08-05Implement SPV_EXT_fragment_invocation_density (SPV_NV_shading_rate) (#8037)davli-nv
* Implement SPV_EXT_fragment_invocation_density -Adds semantics SV_FragSize and SV_FragInvocationCount and implements them for SPIRV and GLSL using the appropriate target builtins from extensions. -Adds test case checking for expected target builtins from these semantics. -For future work, could implement SV_FragSize using pixel shader input SV_ShadingRate for HLSL, and SV_FragInvocationCount needs research. Fixes #7974 Generated with Claude Code * address review feedback https://github.com/shader-slang/slang/pull/8037#pullrequestreview-3084645845 * fixup format * review feedback https://github.com/shader-slang/slang/pull/8037#pullrequestreview-3086442819
2025-07-30Lowering unsupported matrix types for GLSL/WGSL/Metal targets (#7936)venkataram-nv
* Add emit cases for WGSL and GLSL * Fix compilation warnings Modify short cutting test to reflect change in emit logic Lower matrix for metal as well Add emit matrix logic for metal Fix compiler warning Brace initializer for lowered matrices Fix compiler warnings * Tests for metal * Fix mult, any, and determinant * Fix matrix-matrix multiplication * Fix mat mul to be element-wise * Fix compiler warning * Move makeMatrix to legalization * Move unary and binary arithmetic operator lowering to legalization * Remove emit logic and move final comparison operators to legalization * Handle vector/matrix negation for WGSL * Restore older SPIR-V emit logic * Address PR comments * Revert to zero minus for negation * format code --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-07-25Fix nv_viewport_mask semantic to emit SpvBuiltInViewportMaskNV (#7904)davli-nv
Fixes #7903 SPV_NV_viewport_array2 says ViewportMaskNV corresponds to gl_ViewportMask
2025-07-25Fix SPIRV OpMemberName member indices (#7912)davli-nv
OpMemberName instructions were all using member index 0 instead of incrementing indices (0, 1, 2, ...) as required by the SPIR-V spec. The bug was that the member index increment (id++) was only happening for physical struct types, but OpMemberName emission occurs for all struct types when they have name decorations. This fix ensures member indices are properly incremented for both physical and non-physical struct types. Fixes #7909 Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: davli-nv <davli-nv@users.noreply.github.com>
2025-07-24Include Inst UID in some assert failure messages. (#7882)Yong He
2025-07-18Lower int/uint/bool matrices to arrays for SPIRV (#7687)venkataram-nv
* Add tests for expected behaviour * Allow matrix types in logical or/and * Legalize int/bool matrix types and construction with makeMatrix * Legalize uint matrices and operations * Limit testing to only SPIRV * Better tests for int and bool * Add test for uint * Remove GLSL tests * Remove old test for diagnosing int matrices * Emit SPIRV directly in tests * format code * Address PR comments * Improve testing * Address PR comments * format code * Add tests for matrix intrinsic operations * Move matrix lowering to dedicated legalization pass * Fix compiler warning * Remove signal again * Reorder matrix and vector legalization * Fix formatting * Add shift and comparison tests --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-07-16Fix duplicate DiffPair struct generation for row_major matrices in autodiff ↵Copilot
(#7728) * Initial plan * Fix duplicate DiffPair struct generation for row_major matrices in autodiff Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> * Fix matrix layout conversion to use BuiltinCastExpr Address root cause in slang-check-conversion.cpp by creating proper cast expressions for matrix layout conversions instead of reusing expressions. This ensures autodiff sees proper type conversions and generates consistent DiffPair structs. Reverted the band-aid fix in autodiff system and implemented the proper front-end fix as suggested in code review. Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> * Fix test to prevent dead code elimination and make it executable on CPU Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> * Fix spirv emit of matrix layout cast insts. * Update test. * cleanup test. * Improve test with meaningful values that verify correct gradient computation Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> Co-authored-by: Yong He <yonghe@outlook.com>
2025-07-11Fixup address spaces after inlining. (#7731)Yong He
* Fixup address spaces after inlining. * add -O0
2025-07-11Add DebugGlobalVariable instructions to SPIR-V output (#7686)Jay Kwak
* Add DebugGlobalVariable instructions to SPIR-V output Implements generation of DebugGlobalVariable instructions for global variables like Texture2D and SamplerState in SPIR-V debug information output. Adds debug type support for texture and sampler types using DebugTypeComposite. * Handle two more types for DebugGlobalVariable kIROp_RaytracingAccelerationStructureType and kIROp_SamplerComparisonStateType had to be handled in `emitDebugTypeImpl()` * Fix format * Refactor debug type emission to reduce duplication Use IRSamplerStateTypeBase type check and fallback pattern instead of separate cases for each opcode type. * Fix compiler warning * Simplify `emitDebugTypeImpl()` more
2025-07-09Generate OpExecutionMode PointMode for tessellation shaders (#7662)pdeayton-nv
* Generate "OpExecutionMode PointMode" for tessellation shaders instead of the incorrect geometry and mesh shader specific "OpExecutionMode OutputPoints". * Add a test case verifying the OpExecutionMode is correct. Fixes #7660
2025-07-02Fix for emitting ArrayStride decoration for arrays of opaque types (#7568)Jerran Schmidt
* WIP opaque type decoration fix * Clearer intent * Formatting * Added test for fix
2025-07-02Defer immutable buffer loads when emitting spirv. (#7579)Yong He
* Defer immutable buffer loads when emitting spirv. * Fix. * Fix. * Fix. * Fix tests. * Fix test.
2025-07-01extend fiddle to allow custom lua splices in more places (#7559)Ellie Hermaszewska
* Add fkYAML submodule * Generate slang-ir-inst-defs.h from slang-ir-inst-defs.yaml * generate ir-inst-defs.h * neaten things * neaten inst def parser * add rapidyaml submodule * remove fkyaml * remove fkyaml submodule * remove use of ir-inst-defs.h * format and warnings * fix wasm build * tidy * remove rapidyaml * Extend fiddle to allow custom splices in more places * Use lua to describe ir insts * fix * neaten * neaten * neaten * spelling * neaten * comment comment out assert * merge
2025-07-01Add arguments for controlling floating point denormal mode (#7461)aidanfnv
* Implement -fp-denorm-mode slangc arg * Split fp-denorm-mode into 3 args for fp16/32/64 * Remove redundant option categories * Use emitInst for multiple of the same OpExecutionMode * Fix formatting * Remove -denorm any * Re-add option categories * emitinst for ftz * Use enums for type text * Remove extra categories again * Add tests for denorm mode * Move denorm mode to post linking * format code (#8) Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> * regenerate command line reference (#9) Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> * Clean up tests * Fix option text * format code (#10) Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> * Add tests for "any" mode * Return "any" enum if option not set * Simplify emission logic * Add support for generic entrypoints * Move denorm modes to end of CompilerOptionName enum * format code (#11) Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> * Move new enum members to before CountOf * Add not checks to tests, fix generic test, add functionality tests * Rename denorm to fpDenormal * Clean up functional test * Rename denorm test dir * Fix formatting, regenerate cmdline ref * Fold simple tests into functional tests, add more dxil checks * Remove no-op DX tests, make tests more consistent * Disable VK functionality tests that will fail on the CI configs * Fix formatting * Add comments to disabled tests explaining why --------- Co-authored-by: slangbot <ellieh+slangbot@nvidia.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-06-30Emit sample index when constructing a `OpImageTexelPointer` (#7563)ArielG-NV
* fix #7554 * format code * test ms and non ms texture --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-06-29Support the GLSL/SPIR-V Built-in variable `DeviceIndex` (#7552)ArielG-NV
* Support DeviceIndex * format code * regenerate command line reference --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-06-26Fix for OpUConvert producing invalid opcode when to/from signs differ (#7398)Jerran Schmidt
* Fix for OpUConvert outputting scalar type for mixed sign vector type conversions * Fix compiler warning * Added regression test for UConvert vector fix * Formatting * getUnsignedType helper * Formatting * Fix for addtional int types * Helper function to convert signed type to unsigned type
2025-06-26Fix the invalid SPIRV decoration issue (#7527)kaizhangNV
* Fix the invalid SPIRV decoration issue Close #7508. SPIRV doesn't allow decoration on type with Private or Function storage class. In our lowering logic, if the array type is used by buffer type it will always have stride operand after lowering, so if the array is not used by buffer type, it must be used only by thread_local or group_shared variable, and it will not have stride operand. For this case, we don't need to emit stride decoration for SPIRV.
2025-06-26Correct the scope for DebugLocalVariable (#7516)Lujin Wang
* Correct the scope for DebugLocalVariable All of the DebugLocalVariable instructions have their scope set to DebugCompilationUnit. The scope should instead be set to a DebugFunction, or a DebugLexicalBlock which is recursively inside a DebugFunction. Register the debug info for the function instructions, which helps findDebugScope() to find the right DebugFunction scope for DebugLocalVariable. * Add a test for DebugLocalVariable To check the scope, which should be a DebugFunction.
2025-06-19Always emit DepthReplacing execution mode when writing to FragDepth (#7450)dubiousconst282
2025-06-16Fix for missing signedness cast in SwizzleIR (#7448)Jerran Schmidt
* Cast if there is a signedness mismatch on the swizzle * Move isSignedType to slang-util and add test --------- Co-authored-by: Yong He <yonghe@outlook.com>
2025-06-06Add command line option for separate debug info (#7178)jarcherNV
* Add command line option for separate debug info Add command line arg -separate-debug-info which, if provided, produces both a .spv and a .dbg.spv file. The .dbg.spv file contains full debug info and the .spv file has all debug info stripped out. Also add a DebugBuildIdentifier instruction to store a unique hash in both the output files, so they can be more easily matched together. A matching API is provided to allow using the Slang API to retrieve a base and debug SPIRV as well as the debug build identifier string.
2025-05-29Fix SPIRV `OpSpecConstantOp` emit (#7158)Darren Wihandi
* Fix SPIRV specialization constant with floating-point operations * Improve test * WIP * Restrict `OpSpecConstantOp` allowed operations based on SPIRV specifications * Fix typo on floating type check * Emit error on float to int spec cosnt int val casts
2025-05-29Implement MapElement for CoopMat (#7159)Jay Kwak
With this PR, MapElement works for the following signatures: - CoopMat<...>::MapElement(functype(...)); - CoopMat<...>::MapElement(capturing-lambda); - CoopMat<...>::MapElement(not-capturing-lambda); - Tuple<CoopMat<...>,...>::MapElement(functype(...)); - Tuple<CoopMat<...>,...>::MapElement(capturing-lambda); - Tuple<CoopMat<...>,...>::MapElement(not-capturing-lambda);
2025-05-23Add CoopVec load/store pointer overloads (#6822)Darren Wihandi
* Add pointer/T* variants for coop vec load/store * fix stride decoration and improved test * fix compile warnings * Improve test * Use `coopVecLoad` function in test
2025-05-19Map `SV_VertexID` to `gl_VertexIndex-gl_BaseVertex`, add `SV_Vulkan*ID` ↵Darren Wihandi
semantics (#7150) * Map SV_VertexID to `gl_VertexIndex - gl_BaseVertex`, provide SV_Vulkan* SV semantics * Fix docs * Regenerate toc * Fix affected pointer-2 test * Add tests --------- Co-authored-by: Yong He <yonghe@outlook.com>
2025-05-16Support Vulkan memory model (#7057)Jay Kwak
The user can explicitly use Vulkan memory model, or it will be automatically used when cooperative-matrix is used. When vulkan memory model is used, two keywords, "Coherent" and "Volatile", are not allowed. There are many differences regarding atomic and texture but this PR has changes limited to support `globallycoherent` keyword. When variables with `globallycoherent` is used with `OpLoad`, it will use additional options, `MakePointerAvailable|NonPrivatePointer`, that will provide the same effect. For `OpStore`, it will use `MakePointerVisible|NonPrivatePointer`.
2025-05-16Address structured buffer `GetDimensions` issues for WGSL, GLSL and SPIRV ↵Darren Wihandi
(#7010) * Fix structured buffer get dimensions * Further fixes and added tests * Remove unnecessary include * Fix test issues * attempt to fix wgpu crash * test remove half usage in test * attempt to fix WGPU test issue * Another attempt to fix WGSL test - make test similar to the existing GetDimensions test --------- Co-authored-by: Yong He <yonghe@outlook.com>
2025-05-15Support tensor addressing (#7060)Jay Kwak
This commit implements two new types and related Load/Store functions in CoopMat. tensor_addrressing.TensorLayout tensor_addressing.TensorView CoopMat.Load(..., TensorLayout) CoopMat.Load(..., TensorLayout, TensorView) CoopMat.Store(..., TensorLayout) CoopMat.Store(..., TensorLayout, TensorView) CoopMat.Load(..., TensorLayout, TensorView)
2025-05-14support specialization constant sized array (#6871)kaizhangNV
Close #6859 Goal of this PR We want to support an array whose size can be specialization constant for shared/global variable e.g. layout (constant_id = 0) const uint BLOCK_SIZE = 64; shared float buf_a[(BLOCK_SIZE + 5) * 4]; Overview of the solution: During IndexExpr check, we will loose the restriction to allow SpecConst passing, but the size parameter will not be a constant value because it cannot be folded into a constant, so we will make it follow the same logic as generic parameter value, and the size will be represented by FuncCallIntVal/PolynomialIntVal/DeclRefIntVal. During IR lowering, we will detect whether there is spec constant in the IntVal, and wrap the IRInst with a SpecConstRateType, and propagate the type though the lowering logic, such that the IntVal representing the array size will have SpecConstRateType. During spirv emit stage, if we detect that a IRInst has SpecConstRateType, we will emit it as SpecConstantOp. We have to implement new logic to emit OpSpecConstantOp, the existing emit logic doesn't support emitting OpSpecConstantOp, especially this op can embed arithmetic operation at global scope, where we can only emit arithmetic instruct at local. But there are only few instructs we need to support. Overview of the solution: This PR doesn't support generic, and we will create a separate PR to extend that, tracked in #6840.
2025-05-12cluster acceleration structure optix 6431 (#7028)Harsh Aggarwal (NVIDIA)
* Add cluster geometry intrinsics for ray tracing - Added GetClusterID() method to HitObject class - Added CandidateClusterID() and CommittedClusterID() methods to RayQuery class - Added SPV_NV_cluster_acceleration_structure extension support - Added GL_NV_cluster_acceleration_structure extension support - Added test files for RayQuery and HitObject cluster methods Fixes #6431 * OpRayQueryGetIntersectionClusterIdNV - unrecognized spirv Disabling spirv backend for SPV_NV_cluster_acceleration_structure hlsl.meta.slang(18674): error 29100: unrecognized spirv opcode: OpRayQueryGetIntersectionClusterIdNV result:$$int = OpRayQueryGetIntersectionClusterIdNV &this $iCandidateOrCommitted; ^~~~~~ hlsl.meta.slang(18670): error 30019: expected an expression of type 'int', got 'void' return spirv_asm ^~~~~~~~~ ninja: build stopped: subcommand failed. * 6431 - Fix spirv opcode * Remove tests * Add relevant tests * Review - Simplify tests
2025-05-10Add debug information for slang inling (#6621)Mukund Keshava
2025-05-09Fix SPIRV unsigned to signed widening casts (#7051)Darren Wihandi
* Fix unsigned to signed casts for SPIRV * Add test * Fix ICE crash
2025-04-27Emit SPIRV NonReadable decoration for WTexture* (#6922)Darren Wihandi
2025-04-15Add cooperative matrix 1 support (#6565)Darren Wihandi
* initial wip for spirv * working tiled example * clean up store and load * minor fixes * fix loadAny name * add initial tests, including broken/unimplemented intrinsics * fix subscript * run tests at 16x16, remove not supported arithmetic tests * minor fixups on implementation * rename CoopMatMatrixUse * Update tests to pass validation layers locally * Add mat-mul-add test and minor fixes * Add more tests * Remove dead code * Add coopMatLoad function and tests, enforce constexpr for matrix layout * Use getVectorOrCoopMatrixElementType in place of getVectorElementType
2025-04-14Add SV_PointCoord to match gl_PointCoord (#6795)Julius Ikkala
* Add gl_PointCoord support in GLSL compat mode * Add SV_PointCoord * Test on metal as well * Update SPIRV system value semantics table in docs * Update metal docs for SV_PointCoord
2025-03-26Fix SPV_KHR_maximal_reconvergence extension name spelling (#6687)Pavel Asyutchenko
* Fix SPV_KHR_maximal_reconvergence extension name spelling Vulkan validation layers emit warnings on lowercase khr. * Move OpExtension check
2025-03-22Support spirv ops added by multiple extensions (#6615)Dario Mylonopoulos
* spirv: add support for ops added by multiple extensions Some spirv ops are added by multiple extensions and capabilities. This commit adds support to avoid emitting unnecessary extensions and capabilities if one of the options is already required by some other op. * spirv: allow OpRaytracingAccelerationStructure to use multiple extensions This Op is provided by both SPV_KHR_ray_tracing and SPV_KHR_ray_query and the respective capabilities. Use one if already available and otherwise fall back to SPV_KHR_ray_tracing. * tests/vkray: add negative checks for RayTracingKHR and RayQueryKHR - Add new rayquery-compute.slang to test that only RayQueryKHR is needed in compute shaders. - Add checks for RayTracingKHR and RayQueryKHR capabilities and extensions in raygen.slang --------- Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
generated by cgit v1.2.3 (git 2.39.1) at 2026-06-29 06:31:48 +0000