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ir_to_mesa: "Support" u2f, i2u, and u2i operations by doing nothing.

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Mesa IR actually stores all numbers as floating point, so this is
totally a farce, but we may as well keep it going.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kenneth Graunke
2011-06-14 21:41:10 -07:00
parent 3283e362e3
commit 006d5a1aa4
1 changed files with 3 additions and 1 deletions
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4
src/mesa/program/ir_to_mesa.cpp
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@@ -1296,8 +1296,11 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
emit_scalar(ir, OPCODE_RSQ, result_dst, op[0]);
break;
case ir_unop_i2f:
case ir_unop_u2f:
case ir_unop_b2f:
case ir_unop_b2i:
case ir_unop_i2u:
case ir_unop_u2i:
/* Mesa IR lacks types, ints are stored as truncated floats. */
result_src = op[0];
break;
@@ -1335,7 +1338,6 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
break;
case ir_unop_bit_not:
case ir_unop_u2f:
case ir_binop_lshift:
case ir_binop_rshift:
case ir_binop_bit_and: