Slang is a library for compiling real-time shader code. It can be used with either existing HLSL or GLSL code, or with code written directly in Slang. The library provides a variety of services that application developers can use to put together the shader compilation workflow they want.
Services provided by the Slang library include:
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Slang can scan ordinary HLSL or GLSL code that neglects to include
registerorlayoutbindings and "rewrite" that code to include explicit bindings for all shader parameters. This lets you write simple and clean code, but still get deterministic binding locations. -
Slang provides a full reflection API for shader parameters, with a uniform interface across HLSL, GLSL, and Slang. The reflection system does not silently drop unused/"dead" parameters, and it can even be used on libraries of shader code without compiling any entry points.
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Work in progress: Slang supports cross-compilation of either HLSL or Slang code to GLSL.
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You can directly get HLSL or GLSL source code as output from Slang, or you can let the library invoke lower-level code generation for you to get back DXBC or SPIR-V (DXIL support to come).
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- Yong He
- Haomin Long
- Teguh Hofstee
- Tim Foley