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Merge commit 'origin/gallium-0.1' into gallium-0.2

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Brian Paul 2008-11-07 10:24:22 -07:00
commit 18a4cdcfc0
1 changed files with 58 additions and 1 deletions
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59
src/gallium/auxiliary/tgsi/tgsi_exec.c
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@ -2463,7 +2463,64 @@ exec_instruction(
break; break;
case TGSI_OPCODE_NRM: case TGSI_OPCODE_NRM:
assert (0); /* 3-component vector normalize */
{
union tgsi_exec_channel tmp, dot;
/* tmp = dp3(src0, src0): */
FETCH( &r[0], 0, CHAN_X );
micro_mul( &tmp, &r[0], &r[0] );
FETCH( &r[1], 0, CHAN_Y );
micro_mul( &dot, &r[1], &r[1] );
micro_add( &tmp, &tmp, &dot );
FETCH( &r[2], 0, CHAN_Z );
micro_mul( &dot, &r[2], &r[2] );
micro_add( &tmp, &tmp, &dot );
/* tmp = 1 / tmp */
micro_div( &tmp, &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], &tmp );
/* note: w channel is undefined */
FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) {
/* chan = chan * tmp */
micro_mul( &r[chan_index], &tmp, &r[chan_index] );
STORE( &r[chan_index], 0, chan_index );
}
}
break;
case TGSI_OPCODE_NRM4:
/* 4-component vector normalize */
{
union tgsi_exec_channel tmp, dot;
/* tmp = dp4(src0, src0): */
FETCH( &r[0], 0, CHAN_X );
micro_mul( &tmp, &r[0], &r[0] );
FETCH( &r[1], 0, CHAN_Y );
micro_mul( &dot, &r[1], &r[1] );
micro_add( &tmp, &tmp, &dot );
FETCH( &r[2], 0, CHAN_Z );
micro_mul( &dot, &r[2], &r[2] );
micro_add( &tmp, &tmp, &dot );
FETCH( &r[3], 0, CHAN_W );
micro_mul( &dot, &r[3], &r[3] );
micro_add( &tmp, &tmp, &dot );
/* tmp = 1 / tmp */
micro_div( &tmp, &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], &tmp );
FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) {
/* chan = chan * tmp */
micro_mul( &r[chan_index], &tmp, &r[chan_index] );
STORE( &r[chan_index], 0, chan_index );
}
}
break; break;
case TGSI_OPCODE_DIV: case TGSI_OPCODE_DIV: