KhronosGroup/GLSL

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GLSL Shading Language Specification and Extensions

Stars: 458
Forks: 114
Open beginner issues: 0
Indexed issues: 67
Avg merge: 4m
Merged PRs (30d): 1

Dominant language: JavaScript
License: No license data
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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67 open issues indexed

Extending GL_EXT_spirv_intrinsics Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

KhronosGroup/GLSL#331 · 4 comments · Opened Jun 13, 2026
GLSLangSpec.4.60.pdf missing subpassinput in Gramma definition Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

KhronosGroup/GLSL#326 · 1 comment · Opened May 8, 2026
Contradiction on whether equality operators operator on vectors Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

KhronosGroup/GLSL#319 · Opened Apr 15, 2026
Clarify scalar constructor with non-scalar values. Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

KhronosGroup/GLSL#310 · Opened Feb 22, 2026
Add example with `-2147483648` Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

KhronosGroup/GLSL#309 · Opened Feb 22, 2026
Spec HTML rendering issue for unary symbols Open

Difficulty 1/5 Under an hour Newbie friendliness 35/100

KhronosGroup/GLSL#307 · 5 comments · Opened Feb 22, 2026
[feature request] Add lod parameter to imageLoad / imageStore Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

KhronosGroup/GLSL#306 · 2 comments · Opened Feb 19, 2026
Requirements for function `return` calls Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

KhronosGroup/GLSL#305 · 1 comment · Opened Feb 18, 2026
Possible ambiguity with continuations and #version Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

KhronosGroup/GLSL#291 · Opened Oct 19, 2025
GL_EXT_mesh_shader: clarify if interpolation qualifier can be used for per-primitive input/output Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

KhronosGroup/GLSL#288 · Opened Jul 18, 2025
Create a version of the GLSL spec with GL_KHR_vulkan_glsl integrated? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

KhronosGroup/GLSL#283 · Opened Apr 18, 2025
Defining Interface Matching in GLSL without any API dependencies Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

KhronosGroup/GLSL#278 · 3 comments · Opened Mar 13, 2025
Handle shift operators properly in Antora build Open

KhronosGroup/GLSL#270 · 1 assignee · Opened Dec 11, 2024
grammar.adoc is missing grammar for initializer and initializer_list rules Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

KhronosGroup/GLSL#269 · 1 comment · Opened Nov 28, 2024
allow `edge1 <= edge0` in `smoothstep` Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

KhronosGroup/GLSL#260 · 1 comment · 1 reaction · Opened Oct 2, 2024
What kind of white space is allowed in GLSL source? Is UTF-8 BOM allowed or not? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

KhronosGroup/GLSL#259 · 1 comment · Opened Oct 1, 2024
Use GLSL_NV_mesh_shader with separate program Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

KhronosGroup/GLSL#250 · 3 comments · Opened Sep 2, 2024
Add github Actions CI Open

Assigned Issue Enhancement

KhronosGroup/GLSL#243 · 1 assignee · Opened Aug 24, 2024
Using a specialization constant as a size of an array placed inside a buffer results in a runtime error Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

KhronosGroup/GLSL#239 · Opened Jun 29, 2024
Variables of opaque types should be allowed Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

KhronosGroup/GLSL#235 · 6 reactions · Opened Mar 15, 2024
Clarify compilation of unbound array Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

KhronosGroup/GLSL#231 · Opened Feb 3, 2024
Clarify GLSL for-loop scoping rules Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

KhronosGroup/GLSL#226 · 2 comments · Opened Jan 18, 2024
local workgroup specification while selecting alternative entrypoint Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

KhronosGroup/GLSL#240 · 3 comments · Opened Jan 2, 2024
[GLSL 4.6 Specification] Clarify the translation from UTF-8 scalar values to the corresponding character set tokens Open

KhronosGroup/GLSL#220 · 3 comments · 1 assignee · Opened Nov 7, 2023
GL_KHR_vulkan_glsl allows gl_VertexIndex in any stage Open

KhronosGroup/GLSL#219 · 1 assignee · Opened Oct 4, 2023
GLSL Specification 4.60.8: incorrect formatting Open

KhronosGroup/GLSL#214 · 2 comments · 1 assignee · Opened Sep 11, 2023
Vulkan reserved keywords are missing from the GLSL ES 3.2 Spec Open

KhronosGroup/GLSL#212 · 1 comment · 1 assignee · Opened Jul 25, 2023
Support for Vertex/Fragment layout blocks Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

KhronosGroup/GLSL#205 · Opened May 27, 2023
Another descriptor binding model (new data type idea) Open

Vulkan

Difficulty 5/5 Over a week Newbie friendliness 15/100

KhronosGroup/GLSL#187 · Opened Jun 10, 2022
`VK_KHR_shader_integer_dot_product` for GLSL? Open

Vulkan

Difficulty 5/5 Over a week Newbie friendliness 15/100

KhronosGroup/GLSL#177 · 1 comment · Opened Jan 26, 2022
Are atomic operations allowed on writeonly memory? Open

KhronosGroup/GLSL#174 · 1 comment · 1 assignee · Opened Jan 11, 2022
GL_KHR_vulkan_glsl: Does subpassInput type have a default precision in GLSL ES? Open

Vulkan

Difficulty 4/5 3-5 days Newbie friendliness 35/100

KhronosGroup/GLSL#172 · Opened Nov 19, 2021
GL_KHR_vulkan_glsl refers to descriptor set layout, not pipeline layout Open

Vulkan

KhronosGroup/GLSL#170 · 1 assignee · Opened Oct 30, 2021
Improvements to the core glsl language Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

KhronosGroup/GLSL#168 · 2 comments · Opened Aug 31, 2021
Disallow whole array operations for runtime-sized arrays? Open

Resolving Inside Khronos

KhronosGroup/GLSL#167 · 5 comments · 1 assignee · Opened Aug 30, 2021
Khronos GLSL grammar 4.60.7 has typo in "layout qualifier" section Open

OpenGL OpenGL ES Resolving Inside Khronos

KhronosGroup/GLSL#161 · 2 comments · 1 reaction · 1 assignee · Opened Jun 15, 2021
Improper example for input variable declaration in VS in ESSL 3.20 spec Open

OpenGL ES Resolving Inside Khronos

KhronosGroup/GLSL#159 · 3 comments · 1 reaction · 1 assignee · Opened Apr 27, 2021
GLSL_EXT_buffer_reference syntax - Vulkan Open

Vulkan

Difficulty 5/5 Over a week Newbie friendliness 20/100

KhronosGroup/GLSL#156 · 4 comments · 1 reaction · Opened Mar 17, 2021
Allow passing dynamic arrays (in SSBOs) as function arguments. Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

KhronosGroup/GLSL#142 · 5 comments · 12 reactions · Opened Nov 14, 2020
Template Programming Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

KhronosGroup/GLSL#141 · 18 comments · 15 reactions · Opened Nov 13, 2020
Add [[cmov]] and [[unroll]] with a count of unrolls to perform on top of GL_EXT_control_flow_attributes Open

Vulkan

Difficulty 5/5 Over a week Newbie friendliness 25/100

KhronosGroup/GLSL#140 · Opened Nov 13, 2020
Supporting tail-recursion in GLSL Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

KhronosGroup/GLSL#134 · 1 comment · Opened Sep 4, 2020
suggested intBitsToFloat() clarification Open

Resolving Inside Khronos

KhronosGroup/GLSL#133 · 2 comments · 1 assignee · Opened Aug 26, 2020
ESSL 3.20.6 seems to incorrectly include gl_Clip/CullDistance in some IO lists. Open

OpenGL ES Resolving Inside Khronos

KhronosGroup/GLSL#132 · 3 comments · 1 assignee · Opened Aug 25, 2020
Operating on 8/16-bit data types inside compute shaders Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

KhronosGroup/GLSL#128 · 3 comments · Opened Jul 9, 2020
Forbid memoryBarrierAtomicCounter() in SPIR-V for Vulkan Open

bug Specification Vulkan

Difficulty 4/5 3-5 days Newbie friendliness 25/100

KhronosGroup/GLSL#113 · Opened Mar 17, 2020
GLSL -> SPIR-V should map volatile to both Volatile and Coherent decorations Open

bug Specification Vulkan

KhronosGroup/GLSL#111 · 1 assignee · Opened Mar 16, 2020
Can built-in varyings be redeclared with different types? Open

KhronosGroup/GLSL#109 · 2 comments · 1 assignee · Opened Mar 9, 2020
Operator overloading Open

Enhancement OpenGL OpenGL ES

Difficulty 5/5 Over a week Newbie friendliness 30/100

KhronosGroup/GLSL#107 · 8 comments · 11 reactions · Opened Feb 5, 2020
should samplerND(samplerND, sampler) be added? Open

Vulkan

Difficulty 5/5 Over a week Newbie friendliness 35/100

KhronosGroup/GLSL#103 · 4 comments · Opened Dec 5, 2019

KhronosGroup/GLSL

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