render
Per-frame GPU setup: no-op on WebGPU and Metal; glClear on OpenGL.
Per-frame GPU setup: no-op on WebGPU and Metal; glClear on OpenGL.
Per-frame GPU setup: no-op on WebGPU and Metal; glClear on OpenGL.
Per-frame GPU setup: no-op on WebGPU and Metal; glClear on OpenGL.
Per-frame GPU setup: no-op on WebGPU and Metal; glClear on OpenGL.
Per-frame GPU setup: no-op on WebGPU and Metal; glClear on OpenGL.