v2025.4

Prepare release v2025.4 (#6335)

v2025.3

Prepare release v2025.3 (#6192)

V2025.2

[OPT] Don't fold n % 1.0 (#6100)

If values are not whole number, then the result is not 0. For example,
`(1.5 % 1.0) == 0.5`.

Fixes #6097

Release v2025.1

• General
  • diff: Fix crash in OpString matching (#5988)
  • Add SPV_AMDX_shader_enqueue version 2 support (#5838)
  • add support for SPV_INTEL_subgroup_matrix_multiply_accumulate (#5928)
  • update cmake_minimum_required to 3.22.1 (#5925)
  • Add OpImageSampleFootprintNV to IsAllowedSampledImageOperand (#5914)
  • assembler: ensure progress when seeking the version string (#5910)
• Optimizer
  • opt: keep all OpSource instructions (#5901)
  • [opt] Fix bug opt::InstructionBuilder::AddVariable (#6007)
  • [OPT] Add SPV_KHR_ray_tracing to allow list (#5941)
  • opt: keep all OpSource instructions (#5901)
• Validator
  • spirv-val: Add AllowVulkan32BitBitwise option (#6001)
  • Fix untyped pointer comparison validation (#6004)
  • spirv-val: Update VUIDs for 308 header (#5990)
  • spirv-val: fix env parsing for vk1.1spv1.4 (#5985)
  • Add validation for SPV_NV_linear_swept_spheres. (#5975)
  • Add validation SPV_NV_cluster_acceleration_structure. (#5974)
  • Improve the instruction diagnostic for some access chain errors (#5978)
  • Update physical storage buffer validation to match SPIR-V 1.6.5 (#5977)
  • Validate SPV_NV_cooperative_vector (#5972)
  • Fix layout checks with untyped pointers (#5970)
  • spirv-val: Update mislabeled VUIDs (#5964)
  • More explicit layout validation (#5958)
  • spirv-val: Add VK_KHR_maintenance8 support (#5951)
  • Add EXT_mesh_shader validation support (#5640)
  • spirv-val: Remove OpenCL ivec3 req (#5940)
  • spirv-val: Validate zero product workgroup size (#5407)
  • Relax DebugLine validation (#5916)
• Linker
  • linker: remove LinkOnceODR decorations when linking executables (#5979)
  • fix: handle LinkOnceODR correctly (#5938)

Release v2024.4

• General
  • Add FPEncoding operand type. (#5726)
  • Support SPV_KHR_untyped_pointers (#5736)
  • add support for SPV_INTEL_global_variable_host_access (#5786)
  • Add support for SPV_KHR_compute_shader_derivative (#5817)
  • Accept hex representation as binary input (#5870)
  • Vulkan 1.4 support (#5899)
• Optimizer
  • Add knowledge of cooperative matrices (#5720)
  • Add struct-packing pass and unit test. (#5778)
• Validator
  • Validate presence of Stride operand to OpCooperativeMatrix{Load,Store}KHR (#5777)
  • Update sampled image validation (#5789)
  • Disallow stores according to VUID 06924 (#5368)
  • Add validation for SPV_NV_tensor_addressing and SPV_NV_cooperative_matrix2 (#5865)
• Linker
  • allow linking functions with different pointer arguments (#5534)

Release v2024.3

• General
• Optimizer
  • Do not fold mul and adds to generate fmas (#5682)
  • add OpExtInst forward ref fixup pass (#5708)
• Validator
  • Separate Location check for tess patch (#5654)
  • Validate MemoryAccessMask of OpCooperativeMatrixStoreKHR (#5668)
  • OpSampledImage extra validation (#5695)
  • add support for OpExtInstWithForwardRefs (#5698)A
• Disassembler
  • add decorations to comments (#5675)
  • Add --nested-indent and --reorder-blocks (#5671)

Release v2024.2

• General
  • Add SPIRV_TOOLS_EXPORT to public C++ API (#5591)
  • Use bazel 7 and bzlmod (#5601)
• Optimizer
  • opt: add GroupNonUniformPartitionedNV capability to trim pass (#5648)
  • Fix rebuilding types with circular references. (#5637)
  • Add AliasedPointer decoration (#5635)
  • add support for vulkan-shader-profiler external passes (#5512)
• Validator
  • A fix to support of SPV_QCOM_image_processing2 (#5646)
  • spirv-val: Add Vulkan check for Rect Dim in OpTypeImage (#5644)
  • Validate duplicate decorations and execution modes (#5641)
  • Validator: Support SPV_NV_raw_access_chains (#5568)

Release v2024.1

IMPORTANT:
This release is the last one we will publish here until further notice. The official SDK releases can be found on LunarG's website. They offer 2 options: the prebuilt & tested binaries, or a list of known-good commits to build your own release binaries.

• General
  • Add tooling support for SPV_KHR_maximal_reconvergence (#5542)
  • Add support for SPV_KHR_float_controls2 (#5543)
  • SPV_KHR_quad_control (#5547)
  • Fold 64-bit int operations (#5561)
  • update image enum tests to remove Kernel capability (#5562)
  • Support operand kind for SPV_INTEL_maximum_registers (#5580)
  • SPV_NV_shader_atomic_fp16_vector (#5581)
  • Support for SPV_QCOM_image_processing2 (#5582)
  • Fix access chain struct checks (#5592)
• Optimizer
  • opt: add Int16 and Float16 to capability trim pass (#5519)
  • Add preserver-interface option to spirv-opt (#5524)
  • spirv-opt: Fix OpCompositeExtract relaxation with struct operands (#5536)
  • opt: Add VulkanMemoryModelDeviceScope to trim (#5544)
  • opt: Add TrimCapabilities pass to spirv-opt tool (#5545)
  • Add modify-maximal-reconvergence to spirv-opt help (#5546)
  • opt: add SPV_EXT_mesh_shader to opt allowlist (#5551)
  • opt: Add OpEntryPoint to DescriptorScalarReplacement pass (#5553)
  • opt: prevent meld to merge block with MaximalReconvergence (#5557)
  • [OPT] Use new instruction folder for for all opcodes in spec consti folding (#5569)
  • [OPT] Identify arrays with unknown length in copy prop arrays (#5570)
  • [OPT] Add removed unused interface var pass to legalization passes (#5579)
• Validator
  • spirv-val: Re-enable OpControlBarrier VU (#5527)
  • spirv-val: Add Mesh Primitive Built-In validaiton (#5529)
  • spirv-val: Validate PhysicalStorageBuffer Stage Interface (#5539)
  • spirv-val: Multiple interface var with same SC (#5528)
  • spirv-val: Revert Validate PhysicalStorageBuffer Stage Interface (#5575)
  • spirv-val: Make Constant evaluation consistent (#5587)

SPIRV-Tools v2023.2

• General
  • build: move from c++11 to c++17 (#4983)
  • tools: refactorize tools flags parsing. (#5111)
  • Add C interface for Optimizer (#5030)
  • libspirv.cpp: adds c++ api for spvBinaryParse (#5109)
  • build: change the way we set cxx version for bazel. (#5114)
• Optimizer
  • Fix null pointer in FoldInsertWithConstants. (#5093)
  • Fix removal of dependent non-semantic instructions (#5122)
  • Remove duplicate lists of constant and type opcodes (#5106)
  • opt: fix spirv ABI on Linux again. (#5113)
• Validator
  • Validate decoration of structs with RuntimeArray (#5094)
  • Validate operand type before operating on it (#5092)
  • spirv-val: Conditional Branch without an exit is invalid in loop header (#5069)
  • spirv-val: Initial SPV_EXT_mesh_shader builtins (#5080)

SPIRV-Tools v2023.1

v2023.1 2023-01-17

• General
  • Renamed "master" to "main" (issue#5051)
  • Validate version 5 of clspv reflection (#5050)
  • Remove testing support for VS2015 (#5027)
  • Fix undef behaviour in hex float parsing (#5025)
  • Require C++11 or later (#5020)
• Instrument
  • Instrument: Fix bindless checking for BufferDeviceAddress (#5049)
• Optimizer
  • Optimize allocation of spvtools::opt::Instruction::operands_ (#5024)
  • spirv-opt: Fix OpCompositeInsert with Null Constant (#5008)
  • spirv-opt: Handle null CompositeInsert (#4998)
  • Add option to ADCE to remove output variables from interface. (#4994)
  • Add support for tesc, tese and geom to EliminateDead*Components (#4990)
  • Add pass to eliminate dead output components (#4982)
  • spirv-opt: Add const folding for CompositeInsert (#4943)
  • Add passes to eliminate dead output stores (#4970)
  • Prevent eliminating case constructs in block merging (#4976)
• Validator
  • Fix layout validation (#5015)
  • Fix use of invalid analysis (#5013)
  • Fix infinite loop in validator (#5006)
  • Add validation support for SPV_NV_shader_invocation_reorder. (#4979)
  • Only validate full layout in Vulkan environments (#4972)
  • spirv-val: Label new Vulkan OpPtrAccessChain VUs (#4975)
  • spirv-val: Add OpPtrAccessChain Base checks (#4965)