diff options
| -rw-r--r-- | src/glsl/ast_function.cpp | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/glsl/ast_function.cpp b/src/glsl/ast_function.cpp index 631b793c830..4981fe17458 100644 --- a/src/glsl/ast_function.cpp +++ b/src/glsl/ast_function.cpp @@ -760,11 +760,22 @@ process_vec_mat_constructor(exec_list *instructions, instructions->push_tail(var); int i = 0; + foreach_in_list(ir_rvalue, rhs, &actual_parameters) { - ir_rvalue *lhs = new(ctx) ir_dereference_array(var, - new(ctx) ir_constant(i)); + ir_instruction *assignment = NULL; + + if (var->type->is_matrix()) { + ir_rvalue *lhs = new(ctx) ir_dereference_array(var, + new(ctx) ir_constant(i)); + assignment = new(ctx) ir_assignment(lhs, rhs, NULL); + } else { + /* use writemask rather than index for vector */ + assert(var->type->is_vector()); + assert(i < 4); + ir_dereference *lhs = new(ctx) ir_dereference_variable(var); + assignment = new(ctx) ir_assignment(lhs, rhs, NULL, (unsigned)(1 << i)); + } - ir_instruction *assignment = new(ctx) ir_assignment(lhs, rhs, NULL); instructions->push_tail(assignment); i++; |