[runtime] GPU sprite renderer (#1075)

* sprite_3d first attempt

* fixs

* fix Q usage

* ??

* attempt 2

* Update sprite_3d.vert

* works-ish

* works properly!

* scissor fix

* simplify shader

* texture support except everything is broken for some reason

* stuff

* Update SpriteRenderer.cpp

* meltdown

* Revert "simplify shader"

This reverts commit 97bd9b77be.

* Revert "Revert "simplify shader""

This reverts commit 32fb46ce90.

* fix blend

* fix blend and prim

* fix depth write and texture rendering

* fix bugs

* remove noperspective

* fix and finalize sprite 3D vert shader

* optimize 3D program

* 2D sprites! almost first try

* fixes + merge shader code

* HUD sprite support and clean up code

* oopsie

* fix 3d sprites

* minor cleanup and increase sprite buffer to 8k sprites

* clang

* replace some uses of `glBufferSubData` with `glBufferData`

goal_src/engine/draw/drawable.gc

@@ -123,7 +123,7 @@
 
 (defun real-main-draw-hook ()
   (when *slow-frame-rate*
-    (dotimes (v1-2 #xc35000) ;; changed from ps2 for... obvious reasons.
+    (dotimes (v1-2 #xc350000) ;; changed from ps2 for... obvious reasons.
       (nop!)
       (nop!)
       (nop!)