Import 8c90792f61: Reverting custom shader management to original developer>enable procedural materials (by Caitlyn)

[daleglass]

This is an automated proposal to look at a commit made by Caitlyn and import it into Overte

Commit:	8c90792f61960dc44af4df144cb8d2ddf23d24b6
Author:	Caitlyn
Date:	Tue, 05 May 2020 12:10

Reverting custom shader management to original developer>enable procedural materials

Stats:

Filename	Stats	Lines	Added	Removed	Lines in blame
interface/src/Application.cpp		6	3	3	3
interface/src/Menu.cpp		31	18	13	13
interface/src/Menu.h		4	3	1	1
interface/src/PerformanceManager.cpp		8	4	4	4
interface/src/scripting/RenderScriptingInterface.cpp		74	17	57	3
interface/src/scripting/RenderScriptingInterface.h		54	18	36	7
interface/src/ui/PreferencesDialog.cpp		268	147	121	136
libraries/entities-renderer/src/RenderableMaterialEntityItem.cpp		64	29	35	29
libraries/entities-renderer/src/RenderableShapeEntityItem.cpp		92	44	48	39
libraries/procedural/src/procedural/Procedural.cpp		124	60	64	60
libraries/procedural/src/procedural/Procedural.h		81	41	40	41
libraries/procedural/src/procedural/ProceduralMaterialCache.cpp		95	56	39	56
libraries/procedural/src/procedural/ProceduralSkybox.cpp		14	7	7	7
libraries/qml/src/qml/impl/TextureCache.cpp		1429	1308	121	19
libraries/qml/src/qml/impl/TextureCache.h		283	230	53	5
libraries/render-utils/src/MeshPartPayload.cpp		184	95	89	87
libraries/render-utils/src/MeshPartPayload.h		75	49	26	48
17 files	-	2886	2129	757	558

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Useful commits should be submitted as a PR against Overte. Tag this issue in PR, so that it's automatically closed once the PR is merged.

You can cherry-pick this issue with this command:

git cherry-pick 8c90792f61960dc44af4df144cb8d2ddf23d24b6