The WebGL 2 / OpenGL ES 3.0 enumerants only the particle path uses. See
gl-program.ts's header for why these are literals rather than reads off the
context.
Type Declaration
ReadonlyDYNAMIC_DRAW: 35048
GL_DYNAMIC_DRAW — the usage hint for a buffer written once per frame and
drawn from once per frame, which is exactly the instance stream. Everything
else this backend uploads is STATIC_DRAW.
The WebGL 2 / OpenGL ES 3.0 enumerants only the particle path uses. See
gl-program.ts's header for why these are literals rather than reads off the context.