commit 4b93ba542cdfd6092d84a64e2d2f2bb7c58ec446
author Marek Olšák <marek.olsak@amd.com> Wed Dec 21 15:16:54 2016 +0100
committer Marek Olšák <marek.olsak@amd.com> Fri Jan 06 21:05:48 2017 +0100
tree 725b5497ba1431e9cf637786e0225276cae56fce
parent 53648050a5cac333d6f9613148ae9d615594b4d8

radeonsi: assume that a TES without POSITION precedes GS

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

src/gallium/drivers/radeonsi/si_state_shaders.c

diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index ce0ed31..a360672 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -1275,7 +1275,8 @@
 		break;
 
 	case PIPE_SHADER_TESS_EVAL:
-		if (next_shader == PIPE_SHADER_GEOMETRY)
+		if (next_shader == PIPE_SHADER_GEOMETRY ||
+		    !info->writes_position)
 			key->as_es = 1;
 		break;
 	}