diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp index 2a988d0a0c6..c4c134f3d27 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp @@ -1161,8 +1161,11 @@ vec4_visitor::try_emit_mad(ir_expression *ir) ir_rvalue *nonmul = ir->operands[1]; ir_expression *mul = ir->operands[0]->as_expression(); - bool mul_negate = false; - if (mul && mul->operation == ir_unop_neg) { + bool mul_negate = false, mul_abs = false; + if (mul && mul->operation == ir_unop_abs) { + mul = mul->operands[0]->as_expression(); + mul_abs = true; + } else if (mul && mul->operation == ir_unop_neg) { mul = mul->operands[0]->as_expression(); mul_negate = true; } @@ -1171,7 +1174,10 @@ vec4_visitor::try_emit_mad(ir_expression *ir) nonmul = ir->operands[0]; mul = ir->operands[1]->as_expression(); - if (mul && mul->operation == ir_unop_neg) { + if (mul && mul->operation == ir_unop_abs) { + mul = mul->operands[0]->as_expression(); + mul_abs = true; + } else if (mul && mul->operation == ir_unop_neg) { mul = mul->operands[0]->as_expression(); mul_negate = true; } @@ -1186,9 +1192,15 @@ vec4_visitor::try_emit_mad(ir_expression *ir) mul->operands[0]->accept(this); src_reg src1 = fix_3src_operand(this->result); src1.negate ^= mul_negate; + src1.abs = mul_abs; + if (mul_abs) + src1.negate = false; mul->operands[1]->accept(this); src_reg src2 = fix_3src_operand(this->result); + src2.abs = mul_abs; + if (mul_abs) + src2.negate = false; this->result = src_reg(this, ir->type); emit(BRW_OPCODE_MAD, dst_reg(this->result), src0, src1, src2); |