Alain Galvan  

@Alainxyz

Graphics Software Engineer . Writes about 🛆 Computer Graphics, 🎨 Art & 🎹🎸 Audio Design/Engineering.

  Miami &  NYC
Alain.xyz
Joined April 2012
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  1. Pinned Tweet
    18 Dec 2016

    Wrote an article about building your own abstractions, the precursor to my upcoming Raw Vulkan talk! 😃

    2 replies 35 retweets 57 likes
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  2. Retweeted
    Jun 28

    Blue-noise Dithered Sampling The projective blue-noise sampling paper is also amazing:

    48 retweets 179 likes
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  3. Retweeted
    Jun 25

    "Adaptive Temporal Antialiasing"

    23 retweets 71 likes
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  4. Retweeted
    Jun 24

    I'm calling her finished - thanks again for allowing me to play with your character :D It was a great exercise and those sleeves were a no mean challenge :D

    16 replies 44 retweets 347 likes
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  5. Retweeted
    Jun 8

    Game concept: Conga Royale 100 people parachute onto a deserted island and try to get as many instruments, powerups, and cocktails as possible before they're engulfed in the conga line and added to its ever-growing tail, dragged from place to place.

    2 replies 3 retweets 29 likes
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  6. Retweeted
    Jun 7

    Metal Shader Debugging and Profiling is now available online at We cover Metal Shader Debugger, Geometry Viewer and Enhanced Shader Profiler. If you missed the live stream, make sure to check it out!

    14 retweets 28 likes
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  7. Retweeted
    Jun 6

    More blue noise evangelism, I modified the "one sample blur" shader (not mine) to use blue noise instead of white.

    5 replies 22 retweets 87 likes
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  8. Retweeted
    Jun 6
    Replying to

    The most upsetting thing to me personally is when people imply we use tools because we want to appear smarter or intimidate others. 💔

    4 replies 7 retweets 41 likes
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  9. Retweeted
    Jun 5

    Just posted a preprint of our HPG “compressed leaf BVH” paper:

    1 reply 23 retweets 87 likes
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  10. Retweeted
    Jun 5

    Initialization in Modern C++.

    46 replies 2,097 retweets 4,539 likes
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  11. Jun 3

    4. Assembla - Competitively priced and fast, speedy service, and offers SVN in addition to git.

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  12. Jun 3

    3. Bitbucket - A lot of projects use Bitbucket as their primary git service provider (Ogre3D comes to mind) They also distribute the git client app SourceTree, and have gotten a really good looking redesign:

    1 reply 4 likes
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  13. Jun 3

    2. Gitlab - Gitlab has self hosting and its own hosting service available to users, and shares a lot of Github's features like issues and pull requests.

    1 reply
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  14. Jun 3

    1. Your own personal server - If you use a cloud provider like DigitalOcean/AWS/Google Cloud/Azure, just create a folder on a server to use as a remote (I'd recommend a "git" user on your server doing it there: )

    1 reply
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  15. Jun 3

    This ability to choose different remote locations is also the reason why it doesn't really matter who owns Github, but that's another story, here we go:

    1 reply
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  16. Jun 3

    So, Microsoft seems to have acquired GitHub, so I'm going to take this opportunity to share some alternatives. The cool thing about git is that it's decentralized by design, so there's always other options since you can set multiple remote locations to push and pull to.

    WOW!!!
    2 replies 4 likes
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  17. Retweeted
    May 31

    We've updated our privacy po-

    281 replies 10,338 retweets 30,971 likes
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  18. Retweeted
    May 24

    For anyone who feels up to experimenting on the bleeding edge, I have a branch with improved DX11 shader debugging, allowing debugging at HLSL level with callstack & HLSL locals. Feedback/bug reports are welcome, it's still work-in-progress!

    10 replies 74 retweets 212 likes
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  19. Retweeted
    May 23

    It's one of those days, I think

    7 replies 4 retweets 117 likes
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  20. Retweeted
    May 20

    Problem solving in programming for me: initially, you lack detailed understanding of the problem domain, and end up with a complicated solution- some weeks later, you much better understand the problem, and your final solution becomes much simpler. anyone else can relate?

    146 replies 903 retweets 3,295 likes
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  21. Retweeted
    May 19

    I made a new shader playground site that supports HLSL & GLSL, with more compilers (fxc, dxc, glslang, spirv-cross, mali-sc), compiler chaining (eg pipe HLSL to SPIR-V to Metal), and permalinks. Give it a try! Site: Blog post:

    Screenshot of shader playground website
    13 replies 137 retweets 326 likes
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