225556532a
The standalone per-category UI shaders (quads/circles/images/text) unconditionally imageLoad the destination pixel up front and imageStore it at the end, paying a full read-modify-write even on tiles no item touches — the common case for a sparse UI. The fused uber-kernel already amortizes a single load/store across all four categories; the standalone Dispatch* path has no such umbrella. Defer the imageLoad to just before the first surviving blend (`loaded` flag) and skip the imageStore unless something was actually blended. Output is bit-identical: before the first blend `dst` is unused, and a skipped store leaves the pixel exactly as a no-op load+store would have rewritten it. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
||
|---|---|---|
| .. | ||
| ui-circles.comp.glsl | ||
| ui-fused.comp.glsl | ||
| ui-images.comp.glsl | ||
| ui-quads.comp.glsl | ||
| ui-shared.glsl | ||
| ui-text.comp.glsl | ||