From: Marek Olšák <[email protected]>
---
src/gallium/drivers/radeonsi/si_state_shaders.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c
b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 9e95fea..d0869e3 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -1117,20 +1117,27 @@ static void si_parse_next_shader_property(const struct
tgsi_shader_info *info,
switch (info->processor) {
case PIPE_SHADER_VERTEX:
switch (next_shader) {
case PIPE_SHADER_GEOMETRY:
key->vs.as_es = 1;
break;
case PIPE_SHADER_TESS_CTRL:
case PIPE_SHADER_TESS_EVAL:
key->vs.as_ls = 1;
break;
+ default:
+ /* If POSITION isn't written, it can't be a HW VS.
+ * Assume that it's a HW LS. (the next shader is TCS)
+ * This heuristic is needed for separate shader objects.
+ */
+ if (!info->writes_position)
+ key->as_ls = 1;
}
break;
case PIPE_SHADER_TESS_EVAL:
if (next_shader == PIPE_SHADER_GEOMETRY)
key->tes.as_es = 1;
break;
}
}
--
2.7.4
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