From: Dave Airlie <airl...@redhat.com>
This should avoid emitting anything in the shader if we aren't
accessing any inputs.
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
src/gallium/drivers/r600/r600_shader.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/r600/r600_shader.c
b/src/gallium/drivers/r600/r600_shader.c
index 625537b48b..95a4c05e81 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -3167,7 +3167,8 @@ static int r600_shader_from_tgsi(struct r600_context
*rctx,
vs_add_primid_output(&ctx, key.vs.prim_id_out);
if (ctx.type == PIPE_SHADER_TESS_EVAL)
- r600_fetch_tess_io_info(&ctx);
+ if (ctx.info.num_inputs)
+ r600_fetch_tess_io_info(&ctx);
while (!tgsi_parse_end_of_tokens(&ctx.parse)) {
tgsi_parse_token(&ctx.parse);
--
2.14.3
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