2 Releases published by 2 people

• v2025.1

  published Jan 8, 2025

• v2025.2

  published Jan 10, 2025

27 Pull requests merged by 10 people

• Don't initialize temp var for out parameters when generating the backward diff function

  #6076 merged Jan 13, 2025

• Find OptiX headers

  #6071 merged Jan 13, 2025

• Fix CUDA reflection for acceleration structure handle size.

  #6055 merged Jan 10, 2025

• Fix markNonContextParamsAsSideEffectFree.

  #6054 merged Jan 10, 2025

• Add overload for select to handle Optional<T>

  #6022 merged Jan 10, 2025

• WGSL: Convert signed vector shift amounts to unsigned

  #6023 merged Jan 10, 2025

• Fix potential test failures due to SPIRV validation failure

  #6047 merged Jan 10, 2025

• Fix Metal type layout reflection for nested parameter blocks.

  #6042 merged Jan 10, 2025

• Initial implementation of SP#015 DescriptorHandle<T>.

  #6028 merged Jan 10, 2025

• Add exhaustive associativity test for WGSL

  #6056 merged Jan 10, 2025

• Add CalculateLevelOfDetail* overloads for comparison samplers

  #6018 merged Jan 10, 2025

• Support a storage class, NodePayloadAMDX, for SPIRV work-graphs

  #6052 merged Jan 10, 2025

• [[shader_record]] / [[push_constant]] Param Annotations Proposal

  #6053 merged Jan 10, 2025

• Fix implicit string conversion breaking NativeStrings

  #6035 merged Jan 10, 2025

• Upgrade actions/upload-artifact from v3 to v4

  #6051 merged Jan 9, 2025

• [Auto-diff] Overhaul auto-diff type tracking + Overhaul dynamic dispatch for differentiable functions

  #5866 merged Jan 9, 2025

• Update slang-rhi

  #6045 merged Jan 9, 2025

• Pass compiler specific args to GCC and Visual Studio too

  #6019 merged Jan 9, 2025

• Add parentheses to make precedence explicit

  #6030 merged Jan 9, 2025

• Add SampleCmpLevel intrinsics

  #6004 merged Jan 9, 2025

• slang-test: Ensure runtime is consistent

  #6021 merged Jan 9, 2025

• Add backtraces to examples

  #5973 merged Jan 8, 2025

• Lower varying parameters as pointers instead of SSA values.

  #5919 merged Jan 8, 2025

• Check whether array element is fully specialized

  #6000 merged Jan 8, 2025

• Add example showing how to use Slang/WASM

  #5996 merged Jan 7, 2025

• Fix some robustness issues in the examples

  #5984 merged Jan 7, 2025

• Use disassemble API from SPIRV-Tools

  #6001 merged Jan 7, 2025

14 Pull requests opened by 10 people

• Deploy a workflow to trigger our internal pipeline

  #6027 opened Jan 8, 2025

• [docs] Admonish slangc entry points / shader attributes

  #6033 opened Jan 8, 2025

• Disambiguate 'target' anchors in slangc reference

  #6040 opened Jan 9, 2025

• Emit errors when seeing a matrix with row/col count of 1

  #6044 opened Jan 9, 2025

• Feature/initialize list side branch

  #6058 opened Jan 10, 2025

• Implement AnyValue marshalling for 8-bit integers

  #6059 opened Jan 10, 2025

• Fix documentation on DescriptorHandle.

  #6062 opened Jan 10, 2025

• Reuse code for Metal and WGSL entry point legalization

  #6063 opened Jan 11, 2025

• Fix inaccurate documentation in member function mutability.

  #6065 opened Jan 11, 2025

• Fix nullptr in generic specialization

  #6066 opened Jan 12, 2025

• Fix #5354, change diagnostic definition error message and expect output in test

  #6067 opened Jan 13, 2025

• Implement Packed Dot Product intrinsics

  #6068 opened Jan 13, 2025

• C-like emitter: Add parenthesis when combining relational and bitwise…

  #6070 opened Jan 13, 2025

• Fix simplify if-else

  #6077 opened Jan 13, 2025

27 Issues closed by 9 people

• bwd_diff generates illegal GLSL code (when matrix/vector shape changed?)

  #6069 closed Jan 14, 2025

• Column major matrix access wrong?

  #6031 closed Jan 13, 2025

• Slang reflection unable to resolve generic functions/types involving independ modules in same session

  #6046 closed Jan 10, 2025

• Sampler not using correct UVs when passed in via buffer

  #6057 closed Jan 10, 2025

• Reflection returns invalid size for OptixTraversableHandle

  #6024 closed Jan 10, 2025

• [MaxIters(N)] causes variables to not be saved for backwards pass

  #6048 closed Jan 10, 2025

• Trivial primal function causes backward function to be optimized away

  #6041 closed Jan 10, 2025

• Values accessed via properties not saved for backwards pass

  #6039 closed Jan 10, 2025

• [Build Fail] Slang fails with Debug Profile Windowsx64 due to memory leak

  #5930 closed Jan 10, 2025

• No overload of `select` or `operator?:` for Optional<T>

  #6020 closed Jan 10, 2025

• Metal: Shifts of scalars by vector amounts generated

  #6029 closed Jan 10, 2025

• wgsl output doesn't correctly convert the right side to unsigned for vector bitshifts

  #5985 closed Jan 10, 2025

• SPIRV NonUniformResourceIndex - NonUniform Decoration missing for the array index variable

  #6010 closed Jan 10, 2025

• Implement SP015, DescriptorHandle proposal.

  #6038 closed Jan 10, 2025

• Bad performance with `const type` improves when switching to `let` / `var`

  #4867 closed Jan 10, 2025

• Support NodePayloadAMDX for work-graph support when targeting SPIRV

  #6049 closed Jan 10, 2025

• Auto-diff crashes when attempting to dynamic-dispatch on differentiable associated types

  #5829 closed Jan 10, 2025

• String -> NativeString conversion incorrectly omitted

  #6034 closed Jan 10, 2025

• Upgrade github/actions/upload-artifact and download-artifact to version 4

  #6050 closed Jan 9, 2025

• Speed up core library loading, bring compilation time of small files down to <10ms mark

  #5631 closed Jan 9, 2025

• Add compute shader indirect dispatch on Vulkan?

  #5844 closed Jan 9, 2025

• Matrices and constant literals are output in an unfriendly format in WGSL

  #6014 closed Jan 9, 2025

• Interface ptr arithmetic using wrong stride?

  #6032 closed Jan 9, 2025

• Invalid HLSL generated for bwd_diff function

  #5776 closed Jan 8, 2025

• Investigate loop inversion problem.

  #4151 closed Jan 8, 2025

• [request] HTML5 example.

  #5656 closed Jan 7, 2025

• [webgpu] proposal to add bind group annotations for wgsl

  #6008 closed Jan 7, 2025

12 Issues opened by 10 people

• Issues with HLSL floating point literals

  #6078 opened Jan 14, 2025

• CUDA compilation errors

  #6075 opened Jan 13, 2025

• Broken optix closest hit program compilation

  #6074 opened Jan 13, 2025

• Missing documentation: Dynamic dispatch / type conformances

  #6073 opened Jan 13, 2025

• Missing documentation: Specialization / generics api

  #6072 opened Jan 13, 2025

• Using nullptr inside generic function breaks generics specialization

  #6064 opened Jan 11, 2025

• Segfault at Slang::SPIRVEmitContext::emitSplat when assiging RWBuffer of matrices

  #6061 opened Jan 10, 2025

• Internal error when failing to backwards differentiate

  #6060 opened Jan 10, 2025

• `slangTargets-release.cmake` in a build with `USE_SYSTEM_LLVM` references a missing `libslang-llvm.so`

  #6043 opened Jan 9, 2025

• Modifying Slang code does not trigger rebuild of core module.

  #6037 opened Jan 8, 2025

• SLANG_ENABLE_TESTS option is not working

  #6036 opened Jan 8, 2025

• Compiling raster-simple example fails for metal

  #6025 opened Jan 7, 2025

51 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Implement specialization constant support in numthreads / local_size

  #5963 commented on Jan 14, 2025 • 2 new comments

• The ray-tracing-* examples are failing initialization on Windows/Debug

  #5988 commented on Jan 7, 2025 • 0 new comments

• CONTRIBUTING license is out of date.

  #5856 commented on Jan 9, 2025 • 0 new comments

• CMake generation for `SLANG_LIB_TYPE` = `STATIC` broken since 5d8cf47

  #5821 commented on Jan 9, 2025 • 0 new comments

• Implement TextureXX.GetDimensions for CUDA

  #5139 commented on Jan 9, 2025 • 0 new comments

• [SP004]: User guide re-work

  #5146 commented on Jan 9, 2025 • 0 new comments

• Migrate to main

  #5575 commented on Jan 9, 2025 • 0 new comments

• CI process to ensure proper owners

  #5442 commented on Jan 9, 2025 • 0 new comments

• set up github DISCUSSION_TEMPLATE for SFP

  #5443 commented on Jan 9, 2025 • 0 new comments

• For `HLSL` targets, `select()` is emitted as `?:`, which is no longer supported for vector types in HLSL 2021 (default in DXC 1.7+)

  #4424 commented on Jan 9, 2025 • 0 new comments

• Neaten playground output with --line-directive-mode none

  #5752 commented on Jan 9, 2025 • 0 new comments

• Language server should display default argument values

  #5782 commented on Jan 9, 2025 • 0 new comments

• Slang-RHI/WGPU: Too small buffer is bound

  #5604 commented on Jan 9, 2025 • 0 new comments

• Some problems when `ADD_SUBDIRECTORY`ing slang on Windows

  #5871 commented on Jan 9, 2025 • 0 new comments

• Add 16bits and 64bits tests to bitfield insert and extract

  #5858 commented on Jan 9, 2025 • 0 new comments

• `reinterpret` with structs containing `uint64_t` or `uint8_t` incorrectly throws “T contains fields that cannot be packed into AnyValue” error

  #4817 commented on Jan 9, 2025 • 0 new comments

• Reflection API : How to know if push constants are used by an entry point (using HLSL syntax)

  #5685 commented on Jan 9, 2025 • 0 new comments

• Multiple namespaces

  #5957 commented on Jan 10, 2025 • 0 new comments

• Invalid SPIR-V for shared memory atomics

  #5989 commented on Jan 10, 2025 • 0 new comments

• Minor Improvement: Make no-return warning message more user friendly

  #5354 commented on Jan 13, 2025 • 0 new comments

• Missing warning on some cases of integer literal coercion

  #5728 commented on Jan 13, 2025 • 0 new comments

• wgsl output doesn't use parenthesis for mixed operations, generating invalid code

  #6005 commented on Jan 13, 2025 • 0 new comments

• `typedef` can shadow fundamental types

  #3384 commented on Jan 13, 2025 • 0 new comments

• Crash in constant propagation

  #5972 commented on Jan 13, 2025 • 0 new comments

• Experiment with Google Cloud for CI runners

  #5990 commented on Jan 13, 2025 • 0 new comments

• Implement Quad Control intrinsics

  #5981 commented on Jan 13, 2025 • 0 new comments

• wgsl output generated some funky invalid code for static globals defined with function calls

  #5986 commented on Jan 7, 2025 • 0 new comments

• slang-test: Test context Slang session is leaking

  #5610 commented on Jan 7, 2025 • 0 new comments

• How to use binding groups & parameter blocks / connect to pipeline layout could use example code

  #6015 commented on Jan 7, 2025 • 0 new comments

• Add search for documentation

  #6013 commented on Jan 7, 2025 • 0 new comments

• warning 41012 when using Compilation API

  #6011 commented on Jan 7, 2025 • 0 new comments

• Invalid SPIR-V generation for vector<X, 8>/vector<X, 16> usage

  #6012 commented on Jan 7, 2025 • 0 new comments

• Error -11 when using printf in differentiable function

  #5999 commented on Jan 7, 2025 • 0 new comments

• System values in a link time structure are not legal when compiling to targets other than hlsl/dxil

  #5994 commented on Jan 7, 2025 • 0 new comments

• Undefined exceptions thrown by public API

  #5950 commented on Jan 7, 2025 • 0 new comments

• local_size_x_id layout qualifier is unrecognized in GLSL compatibility mode

  #5948 commented on Jan 7, 2025 • 0 new comments

• register usage incorrectly produces a warning and suggests [[vk::binding(...)]]

  #5938 commented on Jan 7, 2025 • 0 new comments

• Language server does not create completions for user attributes using `::` syntax

  #5928 commented on Jan 7, 2025 • 0 new comments

• Write proposal for simplifying/formalizing/enhancing slang's type system

  #5240 commented on Jan 7, 2025 • 0 new comments

• wgsl @location attribute not emitted for entry-point varyings

  #5933 commented on Jan 8, 2025 • 0 new comments

• Fix SM 6.4 math operation implmentation and documentation

  #5574 commented on Jan 8, 2025 • 0 new comments

• [[vk::binding]] ignored(?) in parameter lists

  #5626 commented on Jan 8, 2025 • 0 new comments

• PrimalSubstituteOf attribute causes internal compiler error

  #5867 commented on Jan 8, 2025 • 0 new comments

• Errors with Filenames including file extension

  #5995 commented on Jan 8, 2025 • 0 new comments

• func doesnt work with operator overloading

  #6016 commented on Jan 9, 2025 • 0 new comments

• gl_PrimitiveID in GLSL fragment shader causes SPIR-V validation error

  #6007 commented on Jan 9, 2025 • 0 new comments

• Invalid SPIR-V generation for outer product mul

  #5987 commented on Jan 9, 2025 • 0 new comments

• slangc (silently) crashes when fed GLSL code emitted by MaterialX

  #5535 commented on Jan 9, 2025 • 0 new comments

• Interface with 2 implementations from separate compiled slang-modules -> crash

  #5407 commented on Jan 9, 2025 • 0 new comments

• [SP004]: An alternative is to add the required CudaHost attribute in an IR pass to make things cleaner.

  #5136 commented on Jan 9, 2025 • 0 new comments

• [SP004]: Do not initialize a struct without initialize list nor constructor call

  #5193 commented on Jan 9, 2025 • 0 new comments