diff options
Diffstat (limited to 'src/compiler/glsl/opt_constant_propagation.cpp')
| -rw-r--r-- | src/compiler/glsl/opt_constant_propagation.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/compiler/glsl/opt_constant_propagation.cpp b/src/compiler/glsl/opt_constant_propagation.cpp index 4b82bd13f9f..fbc22b0e50f 100644 --- a/src/compiler/glsl/opt_constant_propagation.cpp +++ b/src/compiler/glsl/opt_constant_propagation.cpp @@ -138,8 +138,20 @@ public: void ir_constant_propagation_visitor::constant_folding(ir_rvalue **rvalue) { + if (*rvalue == NULL) + return; + if (ir_constant_fold(rvalue)) this->progress = true; + + ir_dereference_variable *var_ref = (*rvalue)->as_dereference_variable(); + if (var_ref) { + ir_constant *constant = var_ref->constant_expression_value(); + if (constant) { + *rvalue = constant; + this->progress = true; + } + } } void |