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i965/vs: When MOVing to produce ABS, strip negate of the operand.

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We were returning the negative absolute value, instead of the absolute
value.  Fixes glsl-vs-abs-neg.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>

(cherry picked from commit 9351ef7a44)
This commit is contained in:
Eric Anholt 2011-01-12 09:40:05 -08:00 • committed by Ian Romanick
parent 6c6894eac7
commit 9acbde11f5
1 changed files with 1 additions and 0 deletions
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src/mesa/drivers/dri/i965/brw_vs_emit.c
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@ -1719,6 +1719,7 @@ void brw_vs_emit(struct brw_vs_compile *c )
switch (inst->Opcode) {
case OPCODE_ABS:
args[0].negate = GL_FALSE;
brw_MOV(p, dst, brw_abs(args[0]));
break;
case OPCODE_ADD: