From: Marek Olšák Date: Mon, 10 Oct 2016 15:39:43 +0000 (+0200) Subject: radeonsi: don't invalidate VMEM L1 for memory barriers for index buffers X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=65a4d55a9ff12b44655803da10112d3b1b42ce13;p=mesa.git radeonsi: don't invalidate VMEM L1 for memory barriers for index buffers Reviewed-by: Nicolai Hähnle --- diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index ddf6cfe14de..34f3ed7264b 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -3366,6 +3366,7 @@ static void si_texture_barrier(struct pipe_context *ctx) SI_CONTEXT_CS_PARTIAL_FLUSH; } +/* This only ensures coherency for shader image/buffer stores. */ static void si_memory_barrier(struct pipe_context *ctx, unsigned flags) { struct si_context *sctx = (struct si_context *)ctx; @@ -3392,9 +3393,9 @@ static void si_memory_barrier(struct pipe_context *ctx, unsigned flags) } if (flags & PIPE_BARRIER_INDEX_BUFFER) { - sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1; - - /* Indices are read through TC L2 since VI. */ + /* Indices are read through TC L2 since VI. + * L1 isn't used. + */ if (sctx->screen->b.chip_class <= CIK) sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2; }