[Mesa-dev] [PATCH 4/9] glsl: Use constant_initializer instead of constant_value to determine whether to keep an unused uniform

Ian Romanick idr at freedesktop.org
Fri Oct 9 18:52:56 PDT 2015


From: Ian Romanick <ian.d.romanick at intel.com>

This even matches the comment "uniform initializers are precious, and
could get used by another stage."

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
Cc: "10.6 11.0" <mesa-stable at lists.freedesktop.org>
---
 src/glsl/opt_dead_code.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/glsl/opt_dead_code.cpp b/src/glsl/opt_dead_code.cpp
index 2cb7f41..071485a 100644
--- a/src/glsl/opt_dead_code.cpp
+++ b/src/glsl/opt_dead_code.cpp
@@ -103,7 +103,7 @@ do_dead_code(exec_list *instructions, bool uniform_locations_assigned)
 	  */
          if (entry->var->data.mode == ir_var_uniform ||
              entry->var->data.mode == ir_var_shader_storage) {
-            if (uniform_locations_assigned || entry->var->constant_value)
+            if (uniform_locations_assigned || entry->var->constant_initializer)
                continue;
 
             /* Section 2.11.6 (Uniform Variables) of the OpenGL ES 3.0.3 spec
-- 
2.1.0



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