diff options
| -rw-r--r-- | src/glsl/opt_algebraic.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 98c852ae8ba..a940d2f1cd4 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -290,6 +290,20 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) ir_expression *op_expr[4] = {NULL, NULL, NULL, NULL}; unsigned int i; + if (ir->operation == ir_binop_mul && + ir->operands[0]->type->is_matrix() && + ir->operands[1]->type->is_vector()) { + ir_expression *matrix_mul = ir->operands[0]->as_expression(); + + if (matrix_mul && matrix_mul->operation == ir_binop_mul && + matrix_mul->operands[0]->type->is_matrix() && + matrix_mul->operands[1]->type->is_matrix()) { + + return mul(matrix_mul->operands[0], + mul(matrix_mul->operands[1], ir->operands[1])); + } + } + assert(ir->get_num_operands() <= 4); for (i = 0; i < ir->get_num_operands(); i++) { if (ir->operands[i]->type->is_matrix()) |