diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c index 1ff1547efe7..8c6e9cd1fac 100644 --- a/src/gallium/drivers/radeonsi/si_state_draw.c +++ b/src/gallium/drivers/radeonsi/si_state_draw.c @@ -1169,6 +1169,12 @@ void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info) if (!si_upload_vertex_buffer_descriptors(sctx)) return; + /* GFX9 scissor bug workaround. There is also a more efficient but + * more involved alternative workaround. */ + if (sctx->b.chip_class == GFX9 && + si_is_atom_dirty(sctx, &sctx->b.scissors.atom)) + sctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH; + /* Flush caches before the first state atom, which does L2 prefetches. */ if (sctx->b.flags) si_emit_cache_flush(sctx);