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2025-04-24update slang-rhi (#6587)Simon Kallweit
* update slang-rhi submodule * slang-rhi API changes * disable agility sdk * fix texture creation * update formats in tests * Extent3D rename * use 1 mip level for 1D textures for Metal * fix texture upload * update to latest slang-rhi * update slang-rhi * format code * update slang-rhi * do not run texture-intrinsics test on metal * update slang-rhi * deal with failing tests * fix more tests * update slang-rhi --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> Co-authored-by: Simon Kallweit <simon.kallweit@gmail.com>
2025-04-21Add `vk::offset` to specify member offsets for push constants (#6797)Darren Wihandi
* Add struct member offset qualifier for SPIRV * Implement for GLSL target and add tests * clean up * fix formatting * fix typo * renamed GLSLStructOffset to VkStructOffset and added emit-spirv-via-glsl test case
2025-04-17Fix SV_InstanceID for emit-spirv-via-glsl path (#6848)Darren Wihandi
2025-04-13Fix pointer field/member access for GLSL (#6798)Darren Wihandi
* Fix pointer field access for GLSL * Add test * Fix SPIRV test * add spirv via glsl test
2025-04-11Add flag to hoist instructions (#6740)jarcherNV
This fixes issue #6654 Only hoist instructions that are optimized by prepareFuncForForwardDiff. Add flag hoistLoopInvariantInsts to IRSimplificationOptions and set this to true only if called from prepareFuncForForwardDiff, then only hoist if the flag is set. Additionally, do not hoist loops if they only have a single trivial iteration.
2025-03-19Add SPIRV atomic debug type (#6616)Darren Wihandi
Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2025-03-06Update SPIRV-Tools and fix new validation errors. (#6511)Yong He
* Update SPIRV-Tools and fix new validation errors. * Implement pointers for glsl target. * Reworked packStorage/unpackStorage code gen to operate on pointers rather than values.
2025-02-27Map `SV_InstanceID` to `gl_InstanceIndex-gl_BaseInstance` (#6468)Yong He
* Map `SV_InstanceID` to `gl_InstanceIndex-gl_BaseInstance` * Fix ci.
2025-02-26[SPIRV]: Emit missing storage class in atomic insts. (#6456)Yong He
2025-02-24Legalize array size of SV_TessFactor and SV_InsideTessFactor (#6409)Jay Kwak
* Legalize array size of SV_TessFactor and SV_InsideTessFactor When targeting SPIR-V or GLSL, the type for SV_TessFactor must be float[4]; note that it is not a vector but an array. Similarly the type of SV_InsideTessFactor has to be an array of float[2]. When the user shader declare them as arrays smaller than the required size, Slang will legalize them to the required sizes. Note that it is not the user mistake to declare floar[3] when the hull mode is in "tri", as an example. The unused components are expected to be ignored. Note also that HLSL allows the type to be float[2|3|4] whereas GLSL and SPIR-V requires it to be always float[4]. * Change from "quad" domain mode to "tri" * Handle error case --------- Co-authored-by: Yong He <yonghe@outlook.com>
2025-02-19Force inline functions that takes InputPatch and OutputPatch (#6407)Jay Kwak
This commit inlines functions that takes InputPatch and OutputPatch as the function parameter. Co-authored-by: Yong He <yonghe@outlook.com>
2025-02-11Emit missing atomic64 capability, fix int-typed builtin used in both vs and ↵Yong He
fs. (#6314) Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2025-02-06Support stage_switch. (#6311)Yong He
* Support stage_switch. * Update proposal status. * Fix gl_InstanceID. * Fix.
2025-02-05Feature/initialize list side branch (#6058)kaizhangNV
* SP004: implement initialize list translation to ctor - We synthesize a member-wise constructor for each struct follow the rules described in SP004. - Add logic to translate the initialize list to constructor invoke - Add cuda-host decoration for the synthesized constructor - Remove the default constructor when we have a valid member init constructor - Disable -zero-initialize option, will re-implement it in followup (#6109). - Fix the overload lookup issue When creating invoke expression for ctor, we need to call ResolveInvoke() to find us the best candidates, however the existing lookup logic could find us the base constructor for child struct, we should eliminate this case by providing the LookupOptions::IgnoreInheritance to lookup, this requires us to create a subcontext on SemanticsVisitor to indicate that we only want to use this option on looking the constructor. - Do not implicit initialize a struct that doesn't have explicit default constructor. Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-02-03Auto enable `-fvk-use-entrypoint-name` when there is more than one ↵Yong He
entrypoint. (#6260) * Auto enable `-fvk-use-entrypoint-name` when there is more than one entrypoint. * Fix.
2025-01-30Declare `VariablePointers` capability when needed. (#6231)Yong He
2025-01-29Update SPIRV submodules and fix tests (#6222)Jay Kwak
2025-01-17Add groupshared atomic array test. (#6107)Yong He
* Add groupshared atomic array test. * Fix test.
2025-01-17Fix `-capability` arg in SPIRV debug command line output. (#6114)Yong He
2025-01-14Implement specialization constant support in numthreads / local_size (#5963)Julius Ikkala
* Allow using specialization constants in numthreads attribute * Add support for GLSL local_size_x_id syntax * Fix overeager specialization constant parsing * Add diagnostics for specialization constant numthreads * Remove unused variable * Fix local_size_x_id not finding existing specialization constant * Allow materializeGetWorkGroupSize to reference specialization constants * Use SpvOpExecutionModeId for modes that require it * Cleanup specialization constant numthreads code * Add tests for specialization constant work group sizes * Fix implicit Slang::Int -> int32_t cast * Fix querying thread group size in reflection API --------- Co-authored-by: Yong He <yonghe@outlook.com>
2025-01-08Add SampleCmpLevel intrinsics (#6004)Darren Wihandi
* add SampleCmpLevel intrinsics * update tests * fix typo * fix broken glsl test * refactor SampleCmpLevelZero * fix metallib test * fix broken test on dx12 --------- Co-authored-by: Yong He <yonghe@outlook.com>
2025-01-07Lower varying parameters as pointers instead of SSA values. (#5919)Yong He
* Add executable test on matrix-typed vertex input. * Fix emit logic of matrix layout qualifier. * Pass fragment shader varying input by constref to allow EvaluateAttributeAtCentroid etc. to be implemented correctly.
2024-12-30Add `RaytracingAccelerationStructure::__init(uint64_t)`. (#5967)Yong He
2024-12-19Report error when generated spirv is empty. (#5899)Yong He
* Report error when generated spirv is empty. * format code --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2024-12-18Allow `Optional`, `Tuple` and `bool` to be used in varying input/output. (#5889)Yong He
* Allow `Optional` and `Tuple` to be used in varying input/output. * Fix. * format code * Fix. * Fix test. * Fix. * enhance test. * Fix. * format code --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2024-12-17Add verification logic on push and specialization constants. (#5887)Yong He
* Add verification logic on push and specialization constants. * format code --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2024-12-09Add SV_DrawIndex. (#5787)Yong He
Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2024-12-09Allow pointers to existential values. (#5793)Yong He
* Fix pointer offset logic and add executable tests. * Fix. * Fix test. * Add existential ptr test. * Allow pointers to existential values. * Fix. * Fix. --------- Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2024-12-09Add Sampler*Shadow type aliases. (#5789)Yong He
Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2024-12-06Support specialization constant on WGSL and Metal. (#5780)Yong He
2024-12-05Make fvk-invert-y work on mesh shader ouptuts. (#5760)Yong He
Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2024-12-03Add intrinsics for aligned load/store. (#5736)Yong He
* Add intrinsics for aligned load/store. * Fix. * Update comment. * Implement aligned load/store as intrinsic_op. * Fix. * Add proposal doc. * fix typo.
2024-11-29Emit OpExecutionMode SpacingEqual for Domain stage (#5696)Jay Kwak
Domain stage should emit one more `OpExecutionMode` with `SpacingEqual`, similary to how Hull stage does. Currently Hull stage emits four OpExecutionMode as following: OpExecutionMode %hullMain SpacingEqual OpExecutionMode %hullMain OutputVertices 4 OpExecutionMode %hullMain VertexOrderCw OpExecutionMode %hullMain Quads And Domain stage emits only one OpExecutionMode: OpExecutionMode %domainMain Quads This commit adds the following instruction for Domain stage: OpExecutionMode %domainMain SpacingEqual It is because the Vulkan Validation Layer prints error when the Domain shader didn't have `OpeExecutionMode SpacingEqual`. `SpacingEqual` corresponds to an attribute, `[partitioning("integer")]`, given to the Hull stage. Although Domain stage is not marked with same attribute, it is assumed to use the same value used for matching Hull Stage. The error message from VVL is following: ``` vkCreateShadersEXT(): pCreateInfos[2].stage is VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT, but spacing is not specified. The Vulkan spec states: If codeType is VK_SHADER_CODE_TYPE_SPIRV_EXT, and stage is VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT, pCode must contain an OpExecutionMode instruction specifying the spacing of segments on the edges of tessellated primitives (https://vulkan.lunarg.com/doc/view/1.3.283.0/windows/1.3-extensions/vkspec.html#VUID-VkShaderCreateInfoEXT-codeType-08874) ``` Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2024-11-21Add datalayout for constant buffers. (#5608)Yong He
* Add datalayout for constant buffers. * Fixes. * Fix test. * Fix glsl codegen. * Update spirv-specific doc. * Fix test. * Fix binding in the presense of specialization constants. * address comments. * Add a test for constant buffer layout.
2024-11-19Fix specialization constant miscompile in glsl mode. (#5568)Yong He
Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2024-11-12Push buffer load to end of access chain. (#5544)Yong He
* Push buffer load to end of access chain. * Update test. * Fix. * Fix. * Fix. * Make more robust. * Fix.
2024-10-27Add `InterlockedAddF64` intrinsic. (#5412)Yong He
2024-10-24Use DebugDeclare instead of DebugValue. (#5404)Yong He
* Use DebugDeclare instead of DebugValue. * Avoid generating illegal SPIRV. * Improve DebugLine output. * Fix. * Fix. * Misc improvements.
2024-10-21Fix spirv codegen for pointer to empty structs. (#5355)Yong He
2024-10-19Remove use of Variable Pointer capability. (#5352)Yong He
* Remove use of Variable Pointer capability.
2024-10-17Cleanup definition of `printf`. (#5330)Yong He
* Cleanup definition of `printf`. * Fix. * Fix spirv generation. * Fix. * enhance test.
2024-10-17Cleanup atomic intrinsics. (#5324)Yong He
* Cleanup atomic intrinsics. * Fix. * Fix glsl. * Remove hacky intrinsic expansion logic for glsl image atomics. * Fix all tests. * Fix. * Add `InterlockedAddF16Emulated`. * Fix glsl intrinsic. * Fix.
2024-10-16Fix spirv debug info for pointer types. (#5319)Yong He
* Fix spirv debug info for pointer types. * fix comment.
2024-10-09Fix spirv lowering logic around pointer to unsized array. (#5243)Yong He
* Fix spirv lowering logic around pointer to unsized array. * Fix. --------- Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2024-09-27Fix hull shader spirv legalization bug. (#5180)Yong He
2024-09-05Fix spirv emit for global pointer variable. (#5009)Yong He
2024-08-30Support specialization constants. (#4963)Yong He
* Support specialization constants. * Fix. * Fix. * Fix. * Fix. * Make sure specialization constants have names. * Clean up and support the dxc [vk::constant_id] syntax. * Fix. * Fix. * Fix.
2024-08-26Implement `-fvk-use-dx-layout` (#4912)ArielG-NV
* Implement `-fvk-use-dx-layout` Fixes: #4126 Changes: * Added fvk-use-dx-layout * Modified `HLSLConstantBufferLayoutRulesImpl` for correctness (ex: Array is always 16 byte aligned) * Added kFXCShaderResourceLayoutRulesFamilyImpl and kFXCConstantBufferLayoutRulesFamilyImpl to handle fvk-use-dx-layout * Added `ConstantBufferLayoutRules` to manage constant buffer rules * Added `alignCompositeElementOfNonAggregate`/`alignCompositeElementOfAggregate` to handle forced alignment of composites for ConstantBuffers * `StructuredBuffer` rules are mostly equal to `scalar` layout, not much was needed to be changed to support this behavior. * seperate legacy constant buffer and how Slang does constant-buffer normally * undo an addition * remove accidental test * Address review and fix Address review and remove GLSL support since GLSL requires a seperate legalization (need to linearlize structs like with `legalizeMetalIR` to assign explicit offsets) * comments * remove aggregate and non-aggregate logic We don't need this distinction for the logic --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-07-30Move SPIRV global variables into a context variable (#4741)ArielG-NV
2024-07-30Fix SPIRV emit for small-integer texture types. (#4753)Yong He
* Fix SPIRV emit for small-integer texture types. * Disable -emit-spirv-via-glsl test.
generated by cgit v1.2.3 (git 2.39.1) at 2026-07-20 16:22:36 +0000