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Re: [Chicken-users] [ANN] New egg: glls

From: Mario Domenech Goulart
Subject: Re: [Chicken-users] [ANN] New egg: glls
Date: Wed, 14 May 2014 20:57:07 +0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

On Wed, 14 May 2014 16:41:27 -0400 Alex Charlton <address@hidden> wrote:

> I'm pleased to announce glls: a (pseudo-)Scheme to GLSL (OpenGL Shader
> Language) compiler. Embedding GLSL shaders into your programs is now
> as easy as writing S-expressions in a Scheme file. The compilation
> from a glls definition to a GLSL shader happens at compile-time, so
> using glls has no run-time cost (aside from having it loaded into
> memory). Using glls gives your Scheme program knowledge about your
> shaders, so shader and program compilation as well as attribute and
> uniform location retrieval is provided automatically.
> If you're familiar with Varjo (a Common Lisp project), glls performs a
> similar task but with a more limited scope. While Varjo performs
> type-checking to validate its shaders, glls is a very literal
> compiler: you get what you write – even if you write something
> wrong. Errors at the GLSL level are therefore caught during GLSL
> compilation rather than during glls->GLSL compilation.
> If I may be so bold: The best has yet to come for glls. While defining
> your shaders in Scheme is convenient, the true power of this comes
> from taking advantage of what your Scheme program then knows about the
> shaders. Future work on glls will see automatic compilation of
> rendering functions for each pipeline, as well as tools for dynamic
> re-loading of pipelines for all your REPL-based shader hacking
> sessions.
> If you’re interested, check out the source:
> And the docs:
> And if someone could add this to the egg list, I would be most appreciative.

Than you, Alex.  Your new egg has been added to the coop.

Best wishes.

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