From b38f5eb17abb2c051ebe4d2be1077c069250e92a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Tue, 30 Jul 2019 17:10:59 -0400 Subject: [PATCH] radeonsi: skip draw calls with 0-sized index buffers Reviewed-by: Pierre-Eric Pelloux-Prayer --- src/gallium/drivers/radeonsi/si_state_draw.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c index a099805..529b11c 100644 --- a/src/gallium/drivers/radeonsi/si_state_draw.c +++ b/src/gallium/drivers/radeonsi/si_state_draw.c @@ -868,6 +868,12 @@ static void si_emit_draw_packets(struct si_context *sctx, if (original_index_size) { index_max_size = (indexbuf->width0 - index_offset) / original_index_size; + /* Skip draw calls with 0-sized index buffers. + * They cause a hang on some chips, like Navi10-14. + */ + if (!index_max_size) + return; + index_va = si_resource(indexbuf)->gpu_address + index_offset; radeon_add_to_buffer_list(sctx, sctx->gfx_cs, -- 2.7.4