diff options
Diffstat (limited to 'mesalib/src/glsl/lower_packed_varyings.cpp')
| -rw-r--r-- | mesalib/src/glsl/lower_packed_varyings.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mesalib/src/glsl/lower_packed_varyings.cpp b/mesalib/src/glsl/lower_packed_varyings.cpp index b4cc5cd0d..cdf2289b4 100644 --- a/mesalib/src/glsl/lower_packed_varyings.cpp +++ b/mesalib/src/glsl/lower_packed_varyings.cpp @@ -178,6 +178,14 @@ lower_packed_varyings_visitor::run(exec_list *instructions) !this->needs_lowering(var)) continue; + /* This lowering pass is only capable of packing floats and ints + * together when their interpolation mode is "flat". Therefore, to be + * safe, caller should ensure that integral varyings always use flat + * interpolation, even when this is not required by GLSL. + */ + assert(var->interpolation == INTERP_QUALIFIER_FLAT || + !var->type->contains_integer()); + /* Change the old varying into an ordinary global. */ var->mode = ir_var_auto; |