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st_glsl_to_tgsi: use ISSG and fixup IABS
author
Dave Airlie
<airlied@redhat.com>
Mon, 9 Jan 2012 11:50:14 +0000
(11:50 +0000)
committer
Dave Airlie
<airlied@redhat.com>
Wed, 11 Jan 2012 13:49:02 +0000
(13:49 +0000)
It doesn't look like the GLSL compiler will produce sign op
for an unsigned anyways (seems insane anyways).
Signed-off-by: Dave Airlie <airlied@redhat.com>
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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diff --git
a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index
3b8e2fe
..
e450d13
100644
(file)
--- a/
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@
-664,6
+664,9
@@
glsl_to_tgsi_visitor::get_opcode(ir_instruction *ir, unsigned op,
case3(SLT, ISLT, USLT);
case2iu(ISHR, USHR);
+
+ case2fi(SSG, ISSG);
+ case3(ABS, IABS, IABS);
default: break;
}
@@
-1410,10
+1413,7
@@
glsl_to_tgsi_visitor::visit(ir_expression *ir)
}
break;
case ir_unop_abs:
- 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]);
+ emit(ir, TGSI_OPCODE_ABS, result_dst, op[0]);
break;
case ir_unop_sign:
emit(ir, TGSI_OPCODE_SSG, result_dst, op[0]);