diff options
Diffstat (limited to 'src/compiler/glsl/lower_packed_varyings.cpp')
| -rw-r--r-- | src/compiler/glsl/lower_packed_varyings.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/compiler/glsl/lower_packed_varyings.cpp b/src/compiler/glsl/lower_packed_varyings.cpp index 13f7e5b52da..b1a3b49b1d5 100644 --- a/src/compiler/glsl/lower_packed_varyings.cpp +++ b/src/compiler/glsl/lower_packed_varyings.cpp @@ -742,10 +742,11 @@ lower_packed_varyings_visitor::get_packed_varying_deref( bool lower_packed_varyings_visitor::needs_lowering(ir_variable *var) { - /* Things composed of vec4's and varyings with explicitly assigned - * locations don't need lowering. Everything else does. + /* Things composed of vec4's, varyings with explicitly assigned + * locations or varyings marked as must_be_shader_input (which might be used + * by interpolateAt* functions) shouldn't be lowered. Everything else can be. */ - if (var->data.explicit_location) + if (var->data.explicit_location || var->data.must_be_shader_input) return false; /* Override disable_varying_packing if the var is only used by transform |