radv: enable lowering of GS intrinsics for the LLVM backend
This replaces emit_vertex with:
if (vertex_count < max_vertices) {
emit_vertex_with_counter vertex_count ...
vertex_count += 1
}
Which is exactly what NIR->LLVM was doing but at NIR level. This
pass is already called by ACO.
pipeline-db changes on GFX10:
Totals from affected shaders:
SGPRS: 1952 -> 1912 (-2.05 %)
VGPRS: 2112 -> 2044 (-3.22 %)
Code Size: 189368 -> 185620 (-1.98 %) bytes
Max Waves: 494 -> 491 (-0.61 %)
No pipeline-db changes on other generations.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4182>
4 files changed
