Re: [BLFS Trac] #23598: glslang-16.4.0

#23598: glslang-16.4.0
-------------------------+-------------------------
 Reporter:  Bruce Dubbs  |       Owner:  Joe Locash
     Type:  enhancement  |      Status:  closed
 Priority:  normal       |   Milestone:  13.1
Component:  BOOK         |     Version:  git
 Severity:  normal       |  Resolution:  fixed
 Keywords:               |
-------------------------+-------------------------
Changes (by Joe Locash):

 * resolution:   => fixed
 * status:  assigned => closed

Comment:

 {{{
 ## 16.4.0 2026-07-14

 ### Descriptor Heap

 * Implement `GLSL_EXT_structured_descriptor_heap` with SPIR-V layout
 generation, heap offset access, buffer references, matrix layout
 decorations, and correct `readonly`/`writeonly` qualifier propagation for
 buffer and image descriptors
 * Fix descriptor heap-bound buffer access to use typed pointers
 * Omit `NonUniform` decoration when using descriptor heaps, as the SPIR-V
 spec does not require it
 * Add `--relax-set-binding-limits` option to allow large `layout(set)` and
 `layout(binding)` values for descriptor heap-style workflows with sparse
 set spaces
 * Reject combined image samplers with `descriptor_heap`

 ### Compute Shader Derivatives

 * Fix `GL_KHR_compute_shader_derivatives` regressions on shaders using the
 `GL_NV` variant
 * Update compute shader derivative rules to allow texture operations with
 implicit derivatives without extensions, falling back to LoD 0

 ### New Extensions

 * Implement `GL_EXT_ocp_microscaling_types`
 * Implement `GL_NV_cooperative_matrix_decode_vector`
 * Add basic support for `GL_NV_desktop_lowp_mediump`
 * Implement `GL_EXT_opacity_micromap_ray_query_mode`

 ### Bug Fixes

 * Fix generated decoration string from `UTF8EncodingKHR` to
 `UTFEncodingKHR`
 * Fix missing SPIR-V extension emission for `float16` derivative functions
 with `SPV_AMD_gpu_shader_half_float`
 * Apply `NoContraction` decoration to `dot()` when `noContraction` is set
 * Fix `OpStore` of buffer device address pointer to use 8-byte alignment,
 consistent with loads
 * Fix `RayTracingOpacityMicromapKHR` capability emission to only occur
 when `gl_RayFlagsForceOpacityMicromap2StateEXT` is actually used, fixing
 SPIR-V validation failures in ray query shaders outside ray-tracing
 pipeline stages
 * Fix `setInvertY()` to apply Y-inversion to GLSL vertex, geometry, and
 tessellation-evaluation shaders (previously only affected HLSL)
 * Fix `.length()` on arrays of long/cooperative vectors to use
 `OpArrayLength` instead of a constant component count
 * Fix unnecessary cooperative matrix conversions when creating arrays of
 KHR cooperative matrices
 * Add error for cooperative matrix `*=` with bf16/fp8 scalar operands
 * Fix out-of-bounds access in `elseSeen` at maximum `#if`/`#ifdef` nesting
 depth
 * Fix out-of-bounds read on empty struct texture template types
 * Fix crash in `layoutObjectCheck` when accessing members of an empty
 block
 * Emit an error when HLSL [numthreads] is given more than three arguments
 instead of crashing the compiler.
 * Emit error when attempting to convert a literal string to an
 incompatible type
 * Fix `abortKHR` to preserve the original user-defined string without
 modification
 * Fix out-of-bounds indexing in `TDefaultIoResolverBase::addStage` when a
 negative `EShLanguage` value is passed

 ### Other

 * Add `--discard-is-terminate` option to emit `OpTerminateInvocation`
 instead of `OpDemoteToHelperInvocation` for GLSL `discard` when targeting
 SPIR-V 1.6+
 * Add REUSE license compliance infrastructure
 }}}
 Fixed at [sha:e6ee5e64b2].
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Ticket URL: <https://wiki.linuxfromscratch.org/blfs/ticket/23598#comment:2>
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