KhronosGroup / KhronosGroup/glslang

local_size_variable

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#2,491 5 comments 0 reactions 1 assignee Claimed by @Scenomics View on GitHub
bug GLSL/ESSL Missing Functionality
Dominant language
C++
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Description

The _local_size_variable_ option is made possible by the extension _GL_ARB_compute_variable_group_size_.

https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_compute_variable_group_size.txt

Is there any plan to add support? For example being able to write in the GLSL:

#version 430
layout( local_size_variable ) in;
void main() {}

Where the values of _local_size_x_, _local_size_y_, and _local_size_z_ are set when compute is dispatched. Instead of having to write:

#version 430
layout( local_size_x = 32, local_size_y = 32, local_size_z = 1 ) in;
void main() {}

If support is not planned, are you interested in someone else doing the implementation and submitting a PR?

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