Zephyr: Renderer: initial work on material cache and texture referenc…

Zephyr: Next: assign loaded materials to mesh components

Zephyr: Next: add very rudimentary diffuse texture loading for GLTFs

Zephyr: Renderer: implement a more appropriate 2D texture resource class

Add STB_image dependency

Zephyr: Renderer: implement texture uploads

Zephyr: Renderer: implement the basic structure for a texture cache

Style: remove indentation from namespace blocks.

Zephyr: Renderer: implement STD430 and STD140 layouting code

Zephyr: Renderer: make a comment in the geometry cache clearer

Zephyr: Renderer: rework geometry cache and fix geometry update bug (f…

Zephyr: Renderer: remove incomplete Vulkan backend work

Zephyr: Common: make Result<T,U> movable

CMake fixes for SPIRV-Cross

Add SPIRV-Cross dependency

Zephyr: Renderer: fix entity removal bug

Zephyr: Next: add behemoth scene first to trigger node removal bug

Zephyr: Renderer: do not recreate render bundles every frame (#9)

Zephyr: Renderer: move geometry cache fully into RenderScene

Zephyr: Renderer: remove unused RenderObject API

Zephyr: Renderer: rename RenderEngine::RenderScene() to RenderEngine:…

Zephyr: Renderer: do not recreate render bundles every frame

Zephyr: Renderer: optimize geometry cache lookups

Zephyr: Renderer: fix bugs in and optimize internal scene representation

Zephyr: Use EASTL's hash_map over std::unordered_map in hotspots

Zephyr: Scene: fix a bunch of issues

Zephyr: Renderer: first iteration of scene patching, somewhat broken …