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MIKE BLUMENKRANTZ

Super. Good. Code.

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THE DOCTOR IS IN


ADDRESSING CONCERNS

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BUGAROOS


INNOCUOUS

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RETURNING


I REMEMBERED

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DEPTH


AGAIN

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UGH


WELL

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DO NOT


LET YOUR MEMES BE DREAMS

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BRANCH


ANOTHER QUARTER DOWN

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BIG MARGE


JUST IN TIME

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RELEASE THE KRAKEN


ECOSYSTEM VICTORY

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SPRINT


MARCH FORWARD

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CUBISM


AT LAST

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MEMES


THEY SAY AN IMAGE MACRO CONVEYS AN ENTIRE DAY OF SHOUTING AT THE COMPUTER

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WHAT


BLOGGING: THAT THING I FORGOT ABOUT

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HERE WE GO


22.0

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WEW


CHECKING IN

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ZINK 4EVER


IT’S HAPPENING (FOR REAL)

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ANNOUNCING KOPPER


SUSPICION

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LEAKS


WE NEED TO TALK

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HOW TO BUG


THIS IS A SERIOUS BLOG

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CHOO CHOO


CHUG-A-CHUG-A-CHUG-A-CHUG-A-CHUG-A

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NEW YEAR NEW ME


WE BACK

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THE FINALE


LAST POST OF THE YEAR

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NV ENVY


WHAT IF ZINK WAS ACTUALLY THE FASTEST GL DRIVER?

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PIPE MAGIC


COPPER: IT’S A THING (SORT OF)

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THE FUTURE IS NOWISH


A LONG TIME COMING

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REAL BENCHMARKING


EVERYONE KNOWS…

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INLINE 2.0


UBERCTS

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NOVEMBER


WHAT’S EVEN HAPPENING

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THE END OF ZINK


…FOR 2021

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A BRIEF RESPITE


I’M BAD AT BLOGGING

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UNDERWATER


ES: BUT WHY

I got a request recently to fix up the WebGL Aquarium demo. I’ve had this
bookmarked for a while since it’s one of the only test cases for
GL_EXT_multisampled_render_to_texture I’m aware of, at least when running Chrome
in EGL mode.

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ZINK IS OVER


ZINK IS OVER: THIS TIME I’M SERIOUS.

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IM DONE


ZINK IS OVER

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ZERO TO HERO


THE STRUGGLE CONTINUES

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SUBMERGED


WE BACK

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TIMELINES


DEEPER INTO SOFTWARE

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THE UPDATE


THIS IS A TITLE

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AT LAST


IT HAPPENED.

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GRATITUDE


THE UNSUNG HEROES

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DIFFERENT AGAIN


BREAKING: THIS IS NO LONGER A ZINK BLOG

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FINALLY


WE DID IT

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TO THE NINES


FAST FRIDAY

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SUBALLOCATE ME


I SAID I WOULD

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I'M GONNA PRETEND I DIDN'T SEE THAT


MEMES

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MEMBA WHEN


REMEMBER WHEN…

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SIDEJACKED


I HATE CONSTRUCTION.

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BREAKING


STOP THE OPTIMIZING

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TEMPLATE ME


USING POWER FOR EVIL

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HHHHHHHHHHHHHH


CLICK PLAY

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BACKISH


WEW

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FAREWELL OLD FRIEND


YOU WILL BE MISSED



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BETWEEN LOADS


TFW LONG GAME LOADS

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SPARSE


BUFFERING

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YOU WANT IT I GOT IT


WOOSH

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NOT A PRANK


I’M TRYING

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A REMINDER


DO AS I SAY, NOT AS ZINK DOES

Today, a brief post and lamentation.

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DESCRIPTION


YEAH, AGAIN

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LAYIN THAT PIPE


ENHANCE YOUR PIPE!

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A MORE ACCURATE UPDATE


WHERE WE AT

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GETTING BACK IN


SUPERPOSITION

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WHAT HAPPENED TO BLOGGING?


A NEW POST

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DELETE THE CODE


A LOSING BATTLE

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NOTES


QUICKLY: ES 3.2

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ROADMAPPING


WHAT’S NEXT

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TWO WITH ONE BLOW


BY NOW

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NEW ORDER



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MILESTONE


IF YOU’RE ON INTEL…

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NV


ALL IN A DAY’S WORK

I posted yesterday in brief about zink on nvidia blob, But what actually was
necessary to get this working?

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MO CARDS MO PROBLEMS


WHAT IS EVEN HAPPENING ANYMORE

Thanks once again to my generous sponsors at Valve, as well as a patch from a
GLX guru with the very accurate commit log “I hate everything.”, I put in a
little time today and came up with this:

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SAMPLIN


OVERHEAD MIGRATION

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ITSHAPPENING.GIF


RETURN OF THE BLOG

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OVERHEAD


A QUINTESSENTIAL METRIC

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HOLD EM


A DIFFERENT STRATEGY

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WHY DO I DO THESE THINGS


SOME PEOPLE WILL APPRECIATE THIS

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NEW YEAR NEW CORRECTIONS


IT HAPPENS

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INLINING PROBLEMS AWAY


A DIFFERENT SORT OF OPTIMIZATION

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POLL()ING FOR WSI


A NEW SYNC

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REBASE ME OUT OF HERE


ETOOMUCHREBASE

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DIFFERENTLY CACHED


MEMCPY HARDER

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ALPHA FIRST


THE NAME OF THE GAME

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POINTERS


TO BEGIN

This is the journey of how zink-wip went from 0 fps in RPCS3 to a bit more than
that. Quite a bit more, in fact, if you’re using RADV.

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EMULATION


IN MANY FORMS

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NEW STRATEGY


NEW WEEK, NEW IDEA

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COUNT HARDER


COUNTING

I keep saying this, but I feel like I’m progressively getting further away from
the original goal of this blog, which was to talk about actual code that I’m
writing and not just create great graphics memes. So today it’s once again a
return to the roots and the code that I had intended to talk about yesterday.

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SUBTLE MOVEMENTS


ALRIGHT, BUT NOW I’M REALLY BACK

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STARTING OVER


NEW GAME+

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DON'T CALL IT A COMEBACK


I’VE BEEN HERE FOR…

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ROUNDUP 20201122


ANOTHER BRIEF REVIEW

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ROUNDUP 20201115


A BRIEF REVIEW

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LAST DAY


THIS IS THE END

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ARCHITECTURE


IT’S TIME.

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BRINGING THE HEAT


NEW HOTNESS

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INVALIDATION


BUFFERING

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CATCHING UP


NEVER SEEN BEFORE

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BLENDED


BRAIN HURTY

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AN UPDATE


BUSY, BUSY, BUSY

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PERFORMANCE CAN ONLY INCREASE


JUMPING RIGHT IN

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BACK TO BEING INTERESTING


MOAR DESCRIPTORS

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CACHE HARDER


DESCRIPTORS ONCE MORE

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BACK TO CACHING


I SKIPPED BUCKET DAY

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BACK TO BASICS


HEALTHIER BLOGGING

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AUTOMATE


A SHOWCASE

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PERHAPS YOU THOUGHT I WAS FINISHED


BUT NO, I’M NOT

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ENGAGE THRUSTERS


PERFORMANCE 2.0

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ACCELERATE


FINALLY, PERFORMANCE

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WILL IT BLEND


ADVENTURES IN BLENDING

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DYNAMISM


VIEWPORTING

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LONG WEEK


BLOG RETURNS

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DRAW PARAMETERS


HOO BOY

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QUERY STATS


LONG, LONG DAY

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FUNDAY


JUST FOR FUN

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MORE MAP GAINS


THE OPTIMIZATIONS CONTINUE

Optimizing transfer_map is one of the first issues I created, and it’s
definitely one of the most important, at least as it pertains to unit tests. So
many unit tests perform reads on buffers that it’s crucial to ensure no
unnecessary flushing or stalling is happening here.

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BUFFER RANGING


A QUICK OPTIMIZATION

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TEST XZIBITING


BENCHMARKING VS TESTING

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GEOMETRY OVERVIEW


AT LAST, GEOMETRY SHADERS

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ZINK GAINS PART ONE


A DIFFERENT FRIDAY

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BORDERS


EXTENSIONS EXTENSIONS EXTENSIONS

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CLEAR OUT


GLCLEAR

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TESSELLATION


THE TESSELLATING COMMENCES

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VICTORY LAP


AFTER SOME TIME

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XFB AND BARRIERS


YET ANOTHER XFB POST

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XFB REDUX


XFB: THE RE-RETURN OF THE SEQUEL I DIDN’T WANT

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FORMATTING


ENUM PIPE_FORMAT

One thing that’s everywhere in mesa (at least outside of mesa core) is enum
pipe_format. This enum is used to describe image formats. The general way that
it works is that there’s a hook in struct pipe_screen:

   /**
    * Check if the given pipe_format is supported as a texture or
    * drawing surface.
    * \param bindings  bitmask of PIPE_BIND_*
    */
   bool (*is_format_supported)( struct pipe_screen *,
                                enum pipe_format format,
                                enum pipe_texture_target target,
                                unsigned sample_count,
                                unsigned storage_sample_count,
                                unsigned bindings );


Each gallium driver implements this hook, and then gallium queries the driver
before creating a resource using a given format and then also before using a
created resource in various ways.

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SHADER TESTING


POST-STORM POSTING

I’m back, and today’s topic is testing.

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ANOTHER MINOR ANNOYANCE


INSTANCING

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PRIMITIVE PAIN


QUERIES AGAIN

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DEBUGGING


THE HIDDEN DANGERS OF STATE TRACKING

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VERSIONING


HOW DO MESA VERSIONS WORK?

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INTERNAL CHANGES


VARIABLE LISTS

Today I’m going to briefly go over a big-ish API change that’s taking place as a
result of a MR from Jason Ekstrand.

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FAST FRIDAY


SPEC HARDER

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PARTIAL WRITES


A SLOW DAY

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SHADER PROCESSING


LAST OF THE VERTEX PROCESSORS

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GROSS RESTARTS


DIRECTING INDIRECTION

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MEMORY


I’M BACK

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TIMESTAMPS


WE’RE BACK

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ANIRTOMY


NIR PASSES

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EXTENSIONS


SOMETHING DIFFERENT

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RESTART


PRIMITIVE RESTART

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STATUS UPDATE


A QUICK BREAK

I’ve been blogging pretty in-depth about Zink and related code for a while, so
let’s do a quick roundup with some future blog post spoilers.

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TESTING ACCIDENTS


SOMETHING MORE RECENT

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FRAGCOLORS


EXTENSIONS EXTENSIONS EXTENSIONS

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SMOL EXTENSION


ARB_ARRAYS_OF_ARRAYS

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UBO SIGHTING


AT LAST

It’s time to finish up UBO support in this long form patch review blog series.
Here’s where the current progress has left things:

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BINDING LOCATIONS


NO TIME TO WASTE

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NIRLY THERE


ASSERT()GERY

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OPENGL 3.1


LONG WEEKEND

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BRIEFLY PIGLIT


A QUICK WORD

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WHEN MATHS GET WEIRD


SHADER ALUS

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ANATOMY OF A SHADER BUGFIX


SOMETHING DIFFERENT

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A STEP BACK


FINALLY, AN INTRODUCTION

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SLOTS


A NEW PROBLEM

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QUERY FINISHING TOUCHES


TESTING TESTING TESTING

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QUERY OVERWHELMING


THE OVERFLOW PROBLEM

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QUERY RESETS


TO START WITH

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QUERY INTERRUPTED


SHORT POST TODAY

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QUERIES


THE NEXT PROBLEM

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THE SAGA CONTINUES


MORE FIXES

Yesterday I covered the problems related to handling gl_PointSize during the
SPIR-V conversion. But there were still more problems to overcome.

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BUT IT WAS NOT OVER


THERE’S ALWAYS MORE TESTS

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FINALLY EXTENSIONS


WHAT ARE EXTENSIONS?

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QUERYING XFB


QUERIES: WHAT ARE THEY?

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DRAWING AT LAST


QUICK RUNTHROUGH

This xfb blog series has gone on for a while now, and it’d be great if it ended
soon. Unfortunately, there’s a lot of corner cases which are being found by
piglit, and the work and fixing continue.

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STREAM OUTPUT


TO BEGIN…

Stream output is another name for xfb closer to the driver level. Inside mesa
(and gallium), we’ll commonly see different types related to struct
pipe_stream_output_* which provide info about how the xfb info is output to its
corresponding buffers.

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XFB AND ME


GETTING DEEPER

After getting the extensions and features enabled so things would run (more on
this in a future post), I dove into the deep end of ntv because I was getting
some crazy assert() errors.

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TRANSFORM FEEDBACK: WHAT IS IT?


BUT REALLY, WHAT IS IT?

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NEW BLOG WHO DIS

After years of using one blog, then using a number of different blogs, then not
blogging at all, I’m now blogging once more. Currently, the plan is to focus on
mesa code that I’m working on, specifically (at least for now) zink code.

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