gpuweb/spirv-execution-env

Issues

• Document WebGPU behaviour when bit shift is too large

  #34 opened 3 years ago by dneto0
  1

• disallow Bias and Grad image operands for Dref sampling

  #58 opened 4 years ago by dneto0
  0

• disallow ConstOffset on 1D images

  #57 opened 4 years ago by dneto0
  0

• disallow ImageRead, ImageWrite, ImageFetch with ConstOffset

  #53 opened 4 years ago by dneto0
  1

• ImageRead result must be a vector of 4 elements (just like Vulkan)

  #56 opened 4 years ago by dneto0
  0

• disallow texture sampling and dref sampling when component type is not float

  #55 opened 4 years ago by dneto0
  0

• disallow multisampled storage images

  #54 opened 4 years ago by dneto0
  1

• disallow a resource variable that is a combined image+sampler

  #52 opened 4 years ago by dneto0
  0

• disallow arrays of resources: (buffers, samplers, and textures)

  #51 opened 4 years ago by dneto0
  0

• Only 1.82% of Android devices seem to be able to support this execution environment

  #37 opened 4 years ago by litherum
  4

• Allow OpEntryPoint with duplicate names

  #48 opened 4 years ago by polarina
  1

• continue targets, merge blocks, must all be distinct

  #42 opened 5 years ago by dneto0
  1

• array sizes must be bounded so they are indexible by 32-bit signed int

  #47 opened 5 years ago by dneto0
  0

• Workgroup variables permitted only for compute shader, not vertex or fragment

  #39 opened 5 years ago by dneto0
  1

• Workgroup execution and memory scope is only usable in compute shaders

  #41 opened 5 years ago by dneto0
  0

• Enable source-level info to be passed through

  #38 opened 5 years ago by dneto0
  0

• Invocation scope is listed as allowed, but no instructions permits it usage

  #36 opened 5 years ago by zoddicus
  0

• WebGPU MVP bans arrays of resources (allows Texture2DArray)

  #32 opened 6 years ago by dneto0
  2

• Document WebGPU edge case behaviour of bitfield operations

  #33 opened 6 years ago by dneto0
  0

• The only OpMemoryBarrier is invocation-scope image fence

  #28 opened 6 years ago by dneto0
  0

• require clamping of index for OpVectorExtractDyanmic, OpVectorInsertDynamic, and bitfield insert and extract

  #27 opened 6 years ago by dneto0
  2

• disallow equivalent of Vulkan's vertexPipelineStoresAndAtomics

  #30 opened 6 years ago by dneto0
  1

• Consider using SPIR-V 1.4

  #29 opened 6 years ago by dneto0
  1

• Current version of exec env spec is silent wrt OpExecutionModeId

  #19 opened 6 years ago by zoddicus
  0

• Are the atomics offered by SPIR-V/Vulkan compilable to Metal?

  #16 opened 6 years ago by RobinMorisset
  2

• Specify tables in execution-env.md using Markdown syntax

  #14 opened 6 years ago by zoddicus
  1

• Restrict barrier memory orderings: Likely remove Acquire-only, Release-only

  #20 opened 6 years ago by dneto0
  0

• LocalSize & LocalSizeHint are Kernel only

  #17 opened 6 years ago by zoddicus
  1

• Add in exhaustive list of allowed OpCodes

  #12 opened 6 years ago by zoddicus
  0

• Enumerate sources of undefined and indeterminate behaviour

  #2 opened 6 years ago by dneto0
  4

• Propose: No two OpEntryPoint instructions in a module should have the same EntryPoint ID

  #11 opened 6 years ago by dneto0
  0

• Simplify the phrasing of robust-access rules

  #4 opened 6 years ago by dneto0
  3

• SPIR-V should have fine-grain execution semantics

  #6 opened 6 years ago by pizlonator
  1