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i965: Add support for ir_triop_csel.

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Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Matt Turner
2013-08-19 10:44:41 -07:00
parent 7aaa38728f
commit 8477262958
3 changed files with 13 additions and 0 deletions
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src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
+1
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@@ -362,6 +362,7 @@ ir_channel_expressions_visitor::visit_leave(ir_assignment *ir)
case ir_triop_fma:
case ir_triop_lrp:
case ir_triop_csel:
case ir_triop_bitfield_extract:
for (i = 0; i < vector_elements; i++) {
ir_rvalue *op0 = get_element(op_var[0], i);
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+6
View File
@@ -728,6 +728,12 @@ fs_visitor::visit(ir_expression *ir)
case ir_triop_lrp:
emit_lrp(this->result, op[0], op[1], op[2]);
break;
case ir_triop_csel:
emit(CMP(reg_null_d, op[0], fs_reg(0), BRW_CONDITIONAL_NZ));
inst = emit(BRW_OPCODE_SEL, this->result, op[1], op[2]);
inst->predicate = BRW_PREDICATE_NORMAL;
break;
}
}
src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+6
View File
@@ -1588,6 +1588,12 @@ vec4_visitor::visit(ir_expression *ir)
emit(LRP(result_dst, op[2], op[1], op[0]));
break;
case ir_triop_csel:
emit(CMP(dst_null_d(), op[0], src_reg(0), BRW_CONDITIONAL_NZ));
inst = emit(BRW_OPCODE_SEL, result_dst, op[1], op[2]);
inst->predicate = BRW_PREDICATE_NORMAL;
break;
case ir_triop_bfi:
op[0] = fix_3src_operand(op[0]);
op[1] = fix_3src_operand(op[1]);