diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_fs.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 983b29d779..30b28690ff 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -931,7 +931,12 @@ fs_visitor::visit(ir_expression *ir) case ir_binop_all_equal: case ir_binop_nequal: case ir_binop_any_nequal: - inst = emit(fs_inst(BRW_OPCODE_CMP, this->result, op[0], op[1])); + temp = this->result; + /* original gen4 does implicit conversion before comparison. */ + if (intel->gen < 5) + temp.type = op[0].type; + + inst = emit(fs_inst(BRW_OPCODE_CMP, temp, op[0], op[1])); inst->conditional_mod = brw_conditional_for_comparison(ir->operation); emit(fs_inst(BRW_OPCODE_AND, this->result, this->result, fs_reg(0x1))); break; @@ -977,7 +982,12 @@ fs_visitor::visit(ir_expression *ir) break; case ir_unop_f2b: case ir_unop_i2b: - inst = emit(fs_inst(BRW_OPCODE_CMP, this->result, op[0], fs_reg(0.0f))); + temp = this->result; + /* original gen4 does implicit conversion before comparison. */ + if (intel->gen < 5) + temp.type = op[0].type; + + inst = emit(fs_inst(BRW_OPCODE_CMP, temp, op[0], fs_reg(0.0f))); inst->conditional_mod = BRW_CONDITIONAL_NZ; inst = emit(fs_inst(BRW_OPCODE_AND, this->result, this->result, fs_reg(1))); @@ -1560,7 +1570,7 @@ fs_visitor::emit_bool_to_cond_code(ir_rvalue *ir) inst = emit(fs_inst(BRW_OPCODE_CMP, reg_null_d, op[0], fs_reg(0.0f))); } else { - inst = emit(fs_inst(BRW_OPCODE_MOV, reg_null_d, op[0])); + inst = emit(fs_inst(BRW_OPCODE_MOV, reg_null_f, op[0])); } inst->conditional_mod = BRW_CONDITIONAL_NZ; break; @@ -1582,7 +1592,7 @@ fs_visitor::emit_bool_to_cond_code(ir_rvalue *ir) case ir_binop_all_equal: case ir_binop_nequal: case ir_binop_any_nequal: - inst = emit(fs_inst(BRW_OPCODE_CMP, reg_null_d, op[0], op[1])); + inst = emit(fs_inst(BRW_OPCODE_CMP, reg_null_cmp, op[0], op[1])); inst->conditional_mod = brw_conditional_for_comparison(expr->operation); break; |