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-rw-r--r--src/gallium/drivers/radeonsi/si_state_draw.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index 0a91291e4ea..9469bb4f115 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -882,9 +882,19 @@ void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
struct pipe_index_buffer ib = {};
unsigned mask, dirty_fb_counter, dirty_tex_counter, rast_prim;
- if (!info->count && !info->indirect &&
- (info->indexed || !info->count_from_stream_output))
- return;
+ if (likely(!info->indirect)) {
+ /* SI-CI treat instance_count==0 as instance_count==1. There is
+ * no workaround for indirect draws, but we can at least skip
+ * direct draws.
+ */
+ if (unlikely(!info->instance_count))
+ return;
+
+ /* Handle count == 0. */
+ if (unlikely(!info->count &&
+ (info->indexed || !info->count_from_stream_output)))
+ return;
+ }
if (!sctx->vs_shader.cso) {
assert(0);