diff options
Diffstat (limited to 'src/mesa/shader')
-rw-r--r-- | src/mesa/shader/ir_to_mesa.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/mesa/shader/ir_to_mesa.cpp b/src/mesa/shader/ir_to_mesa.cpp index c4678254925..f8858af26d6 100644 --- a/src/mesa/shader/ir_to_mesa.cpp +++ b/src/mesa/shader/ir_to_mesa.cpp @@ -686,6 +686,42 @@ ir_to_mesa_visitor::visit(ir_expression *ir) src_column.index++; } } + } else if (ir->operands[1]->type->is_matrix()) { + if (ir->operands[0]->type->is_scalar()) { + ir_to_mesa_dst_reg dst_column = result_dst; + ir_to_mesa_src_reg src_column = op[1]; + for (int i = 0; i < ir->operands[1]->type->matrix_columns; i++) { + ir_to_mesa_emit_op2(ir, OPCODE_MUL, + dst_column, src_column, op[0]); + dst_column.index++; + src_column.index++; + } + } else { + ir_to_mesa_src_reg src_column = op[1]; + ir_to_mesa_dst_reg dst_chan = result_dst; + + /* FINISHME here and above: non-square matrices */ + assert(ir->operands[1]->type->vector_elements == + ir->operands[1]->type->matrix_columns); + + for (int i = 0; i < ir->operands[0]->type->vector_elements; i++) { + dst_chan.writemask = (1 << i); + switch (ir->operands[0]->type->vector_elements) { + case 2: + ir_to_mesa_emit_op2(ir, OPCODE_DP2, dst_chan, op[0], src_column); + break; + case 3: + ir_to_mesa_emit_op2(ir, OPCODE_DP3, dst_chan, op[0], src_column); + break; + case 4: + ir_to_mesa_emit_op2(ir, OPCODE_DP4, dst_chan, op[0], src_column); + break; + default: + assert(0); + } + src_column.index++; + } + } } else { assert(!ir->operands[0]->type->is_matrix()); assert(!ir->operands[1]->type->is_matrix()); |