diff options
Diffstat (limited to 'mesalib/src/glsl/ast_function.cpp')
| -rw-r--r-- | mesalib/src/glsl/ast_function.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/mesalib/src/glsl/ast_function.cpp b/mesalib/src/glsl/ast_function.cpp index fad069135..463db9499 100644 --- a/mesalib/src/glsl/ast_function.cpp +++ b/mesalib/src/glsl/ast_function.cpp @@ -442,13 +442,21 @@ process_array_constructor(exec_list *instructions, ir_rvalue *ir = (ir_rvalue *) n;
ir_rvalue *result = ir;
- /* Apply implicit conversions (not the scalar constructor rules!) */
+ /* Apply implicit conversions (not the scalar constructor rules!). See
+ * the spec quote above. */
if (constructor_type->element_type()->is_float()) {
const glsl_type *desired_type =
glsl_type::get_instance(GLSL_TYPE_FLOAT,
ir->type->vector_elements,
ir->type->matrix_columns);
- result = convert_component(ir, desired_type);
+ if (result->type->can_implicitly_convert_to(desired_type)) {
+ /* Even though convert_component() implements the constructor
+ * conversion rules (not the implicit conversion rules), its safe
+ * to use it here because we already checked that the implicit
+ * conversion is legal.
+ */
+ result = convert_component(ir, desired_type);
+ }
}
if (result->type != constructor_type->element_type()) {
|