Squashed commit of the following:

commit f05b5b3ff8286f6252c2a3f3c8c367f8a5b821b5
Author: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date:   Tue Apr 12 13:05:25 2022 -0700

    final consistency modifications

commit 4f27718d46de9660822eb197b0e900be947ec515
Author: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date:   Tue Apr 12 11:40:58 2022 -0700

    opengl: don't set texture options for null texture

commit bb54cfcf4e219e1cbf1ecc6b5552cca75e6e1573
Author: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date:   Tue Apr 12 11:40:29 2022 -0700

    rename inputs

commit e5ac8fffa2ac15f5549b6da5f42b05659c6d020f
Author: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date:   Tue Apr 12 10:37:23 2022 -0700

    change alpha association formula

commit dee09a88f17552e3f98be8940966822e45d6df4f
Author: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date:   Tue Apr 12 10:36:58 2022 -0700

    glsl: use constants to improve readability

commit aedc75ebee11b61198f29c464501a2ddb0506129
Author: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date:   Tue Apr 12 10:36:26 2022 -0700

    changed id capitalization

commit 470b2bb85b51c4a57c109d3fb230088a81024277
Author: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date:   Tue Apr 12 10:35:53 2022 -0700

    node: update categories

commit c78dacad82051dfbb3e40c92cfaf456dbff2de0d
Author: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date:   Tue Apr 12 09:22:57 2022 -0700

    updated shaders to es 3

commit 1e7544be93e55916c94cd91629ec5eef728bfad8
Merge: 1bbb8d7f9 25d019609
Author: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date:   Tue Apr 12 09:02:32 2022 -0700

    Merge branch 'master' into pr/1818

commit 1bbb8d7f9acd75cb4498733f105fbe0487c0db9c
Author: brimson <40442071+brimson@users.noreply.github.com>
Date:   Tue Jan 18 18:36:24 2022 -0700

    Simplify colordifferencekey.frag

    Avoiding extra MOV instruction

commit c7cf1021ce5a3d090833e94e4bc212cc51a61a2a
Author: brimson <40442071+brimson@users.noreply.github.com>
Date:   Tue Jan 18 11:43:02 2022 -0700

    Revert switch-case changes

    Thanks Simran, MattKC, and Wilshaw for the clarifications

commit 882ffeede01b81f0cb4dfd885ba05bf66119ac7e
Author: brimson <40442071+brimson@users.noreply.github.com>
Date:   Tue Jan 18 00:06:31 2022 -0700

    Optimize despill shader

    Turn previous averaging from (1 MAD + 1 MUL) to (1 DP2), reuse the result to prevent recalculation.

commit 0c93f519977fa34840ab03d51addcf2456f931d8
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Sat Jan 8 17:23:49 2022 +0000

    Cleanup

commit 222560ce1a4666899b1111854d4d549dd7ba1357
Merge: 96e21c2b4 d3ffeaa35
Author: ThomasWilshaw <thomaswilshaw@gmail.com>
Date:   Tue Jan 4 23:50:39 2022 +0000

    Merge branch 'master' into color_key

commit 96e21c2b43db3bf1051aca696970509292159548
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Tue Jan 4 23:45:26 2022 +0000

    Rename and reoganise keying nodes

commit 6d42ed23a69ebdb1f5b399957f0b37434d0519dd
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Tue Jan 4 23:04:50 2022 +0000

    Move despill code to it's own node

commit e97ab2e16fd1d4e2f2ff145b8c023ff0e1ee451e
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Mon Jan 3 21:39:48 2022 +0000

    Add option for blue screens

commit 2346f44e5af48bb9547c77c4c08ee7abfcb09393
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Mon Jan 3 21:14:55 2022 +0000

    Optimise node slightly

commit 446522edcf63525fafe7a97cf6d59b7ea0385460
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Mon Jan 3 21:10:03 2022 +0000

    Fix GL ES compile error

commit a765ce6c6f3e0c0e996f08e2a3ef1101818098e8
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Sun Jan 2 18:27:24 2022 +0000

    Cleanup

commit d268e0645df34aa306dc391d1dc10bf335524f94
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Sun Jan 2 18:03:26 2022 +0000

    Fix core matte and change Darks start value

commit 30b024dc5f59dd60ffc5012eee7a79201ed4f9c3
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Sun Jan 2 17:26:39 2022 +0000

    Change matte controls and cleanup

commit b742a9ba7ed651785a0781289a4c03fd4fb72e03
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Sun Jan 2 16:31:41 2022 +0000

    Add a core and garbage matte

commit f814d036b61b8de090df4c1f080c124b98b432d6
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Sun Jan 2 03:31:20 2022 +0000

    Improve basic keyer

commit 4995ec3b9b92c9b4cb0dc31a247d585b2a47e408
Author: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date:   Sun Jan 2 00:23:18 2022 +0000

    Start simple color key node

app/node/node.cpp

@@ -1668,16 +1668,14 @@ void Node::DisconnectAll()
 QString Node::GetCategoryName(const CategoryID &c)
 {
   switch (c) {
-  case kCategoryInput:
-    return tr("Input");
   case kCategoryOutput:
     return tr("Output");
-  case kCategoryGeneral:
-    return tr("General");
   case kCategoryDistort:
     return tr("Distort");
   case kCategoryMath:
     return tr("Math");
+  case kCategoryKeying:
+    return tr("Keying");
   case kCategoryColor:
     return tr("Color");
   case kCategoryFilter:
@@ -1686,16 +1684,12 @@ QString Node::GetCategoryName(const CategoryID &c)
     return tr("Timeline");
   case kCategoryGenerator:
     return tr("Generator");
-  case kCategoryChannels:
-    return tr("Channel");
   case kCategoryTransition:
     return tr("Transition");
   case kCategoryProject:
     return tr("Project");
-  case kCategoryVideoEffect:
-    return tr("Video Effect");
-  case kCategoryAudioEffect:
-    return tr("Audio Effect");
+  case kCategoryTime:
+    return tr("Time");
   case kCategoryUnknown:
   case kCategoryCount:
     break;