KhronosGroup/glslang

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Khronos-reference front end for GLSL/ESSL, partial front end for HLSL, and a SPIR-V generator.

Stars: 3.6k
Forks: 989
Open beginner issues: 1
Indexed issues: 384
Avg merge: 1d 2h
Merged PRs (30d): 31

Dominant language: C++
License: No license data
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

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384 open issues indexed

Use sized types in SPIR-V generation Open

enhancement SPIR-V

KhronosGroup/glslang#62 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
[GLSL ES 1.0.17] extension directives must occur before any non-preprocessor tokens Open

enhancement GLSL/ESSL

KhronosGroup/glslang#97 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
[4.0] Implement subroutines Open

GLSL/ESSL Missing Functionality

KhronosGroup/glslang#141 · 0 comments · 4 reactions · 0 assignees · Indexed Sep 18, 2026
Feature request: Add functions to retrieve attribute information from programs Open

enhancement GLSL/ESSL

KhronosGroup/glslang#154 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Feature request: Reflection API call to return instance name of interface block Open

enhancement GLSL/ESSL

KhronosGroup/glslang#156 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Forward-compatibility testing for deprecated features is not fleshed out Open

GLSL/ESSL Missing Functionality

KhronosGroup/glslang#158 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Translate bool on read/write with transparent buffers. Open

bug SPIR-V

KhronosGroup/glslang#162 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Define input-file format for holding multiple shaders in a single file. Open

enhancement

KhronosGroup/glslang#329 · 19 comments · 1 reaction · 1 assignee · Indexed Sep 18, 2026
Validating Limitations for ES 2.0, Indexing of Arrays Open

bug GLSL/ESSL

KhronosGroup/glslang#348 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Complete HLSL -> SPIR-V translator Open

HLSL Missing Functionality

KhronosGroup/glslang#362 · 49 comments · 3 reactions · 0 assignees · Indexed Sep 18, 2026
GLSLANG_REVISION in revision.h reports previous tag name, which makes it appear out of date Open

enhancement Infrastructure

KhronosGroup/glslang#452 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Support for clip/cull planes in ES: EXT_clip_cull_distance Open

enhancement

KhronosGroup/glslang#566 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
HLSL: Point sprites - no way to generate uses of gl_PointCoord or gl_PointSize Open

HLSL Missing Functionality

KhronosGroup/glslang#607 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
glslang places the Restrict decoration on structure members Open

bug GLSL/ESSL SPIR-V

KhronosGroup/glslang#703 · 10 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
ES3.0 glslang frontend didn't recognize reserved keyword. image1DShadow Open

bug GLSL/ESSL

KhronosGroup/glslang#715 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
glslang frontned behavior about scoping was wrong (GLES2.0 function body) Open

bug GLSL/ESSL

KhronosGroup/glslang#716 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
GLSL: Add support for GL_EXT_texture_array Open

enhancement GLSL/ESSL

KhronosGroup/glslang#726 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Warn about bogus comparisons Open

enhancement SPIR-V

KhronosGroup/glslang#775 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
[question] Provide size in bytes for plain variables in reflection Open

enhancement HLSL SPIR-V

KhronosGroup/glslang#780 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Compiler extensions Open

enhancement Infrastructure

KhronosGroup/glslang#788 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL: Error with scattered l-value read/modify/write with matrix accessor swizzles Open

bug HLSL

KhronosGroup/glslang#844 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 18, 2026
HLSL - cannot work with structured buffers of member variables Open

HLSL Missing Functionality

KhronosGroup/glslang#863 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL: support for struct member initializers Open

HLSL Missing Functionality

KhronosGroup/glslang#864 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL: Buffer variable assignation Open

HLSL Missing Functionality

KhronosGroup/glslang#881 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL: access struct base fields (struct inheritance) Open

HLSL Missing Functionality

KhronosGroup/glslang#909 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Not all built-in functions can portably return a const. Open

enhancement GLSL/ESSL

KhronosGroup/glslang#925 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
Check for reuse of binding numbers. Open

GLSL/ESSL Missing Functionality

KhronosGroup/glslang#926 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add HLSL validation Open

enhancement HLSL

KhronosGroup/glslang#941 · 0 comments · 4 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL/reflection: flattening/splitting loses semantic Open

bug HLSL

KhronosGroup/glslang#955 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Potential thread safety issue in registerErrorHandler / registerLogHandler Open

bug SPIR-V

KhronosGroup/glslang#963 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Memory analysis and proposal Open

Memory

KhronosGroup/glslang#976 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
StorageBufferArrayDynamicIndexing capability missing Open

bug SPIR-V

KhronosGroup/glslang#981 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Implicitly-generated `gl_PerVertex` collides with user-defined outputs Open

GLSL/ESSL question SPIR-V

KhronosGroup/glslang#989 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Incorrect reflection: Glslang reflection operates before SPIR-V HLSL offsets are applied Open

bug SPIR-V

KhronosGroup/glslang#993 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Remove global state Open

Memory

KhronosGroup/glslang#1012 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 18, 2026
Compile-time constant arrays are copied for variable indexing, rather indexing through their original name Open

enhancement GLSL/ESSL HLSL SPIR-V

KhronosGroup/glslang#1033 · 16 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
`git master` glslang -v misidentifies itself as a stable build Open

bug Infrastructure

KhronosGroup/glslang#1058 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add support for --stdout Open

enhancement Infrastructure question

KhronosGroup/glslang#1059 · 8 comments · 15 reactions · 0 assignees · Indexed Sep 18, 2026
Add API-limit checking to compile/link-time testing; e.g., use maxUniformBufferRange Open

enhancement Infrastructure

KhronosGroup/glslang#1086 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL: UAV counters always in descriptor set 0 Open

bug HLSL

KhronosGroup/glslang#1100 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Buffer aliasing (local buffer assignment) not supported Open

HLSL Missing Functionality

KhronosGroup/glslang#1176 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL: Issue with hull shader input/output struct splitting Open

bug HLSL

KhronosGroup/glslang#1181 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL: Type mismatch between vertex shader output and hull shader input Open

bug HLSL

KhronosGroup/glslang#1197 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Debug layer error for some Built-in Variables in SPV_KHR_shader_ballot/GL_ARB_shader_ballot Open

GLSL/ESSL question

KhronosGroup/glslang#1200 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Semantic names as part of variable names in SPIR-V code Open

enhancement HLSL

KhronosGroup/glslang#1204 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL: Hull shader miswrites to SV_Position Open

bug HLSL question

KhronosGroup/glslang#1207 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL: Initializing constant through global function causes invalid recursion error Open

HLSL Missing Functionality

KhronosGroup/glslang#1216 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL: Entrypoint reference added from unused function Open

enhancement HLSL

KhronosGroup/glslang#1219 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL: support SV_InnerCoverage Open

enhancement HLSL SPIR-V

KhronosGroup/glslang#1220 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
HLSL zero-based matrix indexing (_m00, _m32 etc.) replaced with constant 0 (Missing functionality: matrix swizzle) Open

bug HLSL

KhronosGroup/glslang#1240 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026

KhronosGroup/glslang

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