diff options
Diffstat (limited to 'mesalib/src/glsl/glsl_types.cpp')
-rw-r--r-- | mesalib/src/glsl/glsl_types.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mesalib/src/glsl/glsl_types.cpp b/mesalib/src/glsl/glsl_types.cpp index a5e21bbb9..c94aec0d2 100644 --- a/mesalib/src/glsl/glsl_types.cpp +++ b/mesalib/src/glsl/glsl_types.cpp @@ -523,3 +523,19 @@ glsl_type::component_slots() const return 0; } } + +bool +glsl_type::can_implicitly_convert_to(const glsl_type *desired) const +{ + if (this == desired) + return true; + + /* There is no conversion among matrix types. */ + if (this->matrix_columns > 1 || desired->matrix_columns > 1) + return false; + + /* int and uint can be converted to float. */ + return desired->is_float() + && this->is_integer() + && this->vector_elements == desired->vector_elements; +} |