Module: Mesa
Branch: master
Commit: 2b4afaef1c4e0aeb75be570651bacf3ac7c9838d
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=2b4afaef1c4e0aeb75be570651bacf3ac7c9838d
Author: Timothy Arceri <tarc...@itsqueeze.com>
Date: Mon Jan 29 17:33:57 2018 +1100
st/glsl_to_nir: remove dead io after conversion to nir
This fixes an assert in nir_lower_var_copies() for some bioshock
shaders where an unused clipdistance array has no size.
Reviewed-by: Marek Olšák <marek.ol...@amd.com>
---
src/mesa/state_tracker/st_glsl_to_nir.cpp | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/mesa/state_tracker/st_glsl_to_nir.cpp
b/src/mesa/state_tracker/st_glsl_to_nir.cpp
index 2de767625a..8639544142 100644
--- a/src/mesa/state_tracker/st_glsl_to_nir.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_nir.cpp
@@ -319,6 +319,10 @@ st_glsl_to_nir(struct st_context *st, struct gl_program
*prog,
nir_shader *nir = glsl_to_nir(shader_program, stage, options);
+ nir_variable_mode mask =
+ (nir_variable_mode) (nir_var_shader_in | nir_var_shader_out);
+ nir_remove_dead_variables(nir, mask);
+
st_nir_opts(nir);
return nir;
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