diff options
Diffstat (limited to 'src/compiler/glsl/link_varyings.cpp')
| -rw-r--r-- | src/compiler/glsl/link_varyings.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/compiler/glsl/link_varyings.cpp b/src/compiler/glsl/link_varyings.cpp index 8c436c2f440..e622b3e46bc 100644 --- a/src/compiler/glsl/link_varyings.cpp +++ b/src/compiler/glsl/link_varyings.cpp @@ -593,6 +593,11 @@ remove_unused_shader_inputs_and_outputs(bool is_separate_shader_object, */ if (var->data.is_unmatched_generic_inout && !var->data.is_xfb_only) { assert(var->data.mode != ir_var_temporary); + + /* Assign zeros to demoted inputs to allow more optimizations. */ + if (var->data.mode == ir_var_shader_in && !var->constant_value) + var->constant_value = ir_constant::zero(var, var->type); + var->data.mode = ir_var_auto; } } |