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glsl_to_tgsi: emit IABS for absolute value of integers

This commit is contained in:
Bryan Cain 2012-01-07 16:19:39 -06:00
parent 56b57aa360
commit 73b26e4d12
1 changed files with 4 additions and 2 deletions
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6
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@ -1410,8 +1410,10 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
}
break;
case ir_unop_abs:
assert(result_dst.type == GLSL_TYPE_FLOAT);
emit(ir, TGSI_OPCODE_ABS, result_dst, op[0]);
if (result_dst.type == GLSL_TYPE_INT || result_dst.type == GLSL_TYPE_UINT)
emit(ir, TGSI_OPCODE_IABS, result_dst, op[0]);
else
emit(ir, TGSI_OPCODE_ABS, result_dst, op[0]);
break;
case ir_unop_sign:
emit(ir, TGSI_OPCODE_SSG, result_dst, op[0]);