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gallium: implement TGSI_OPCODE_DP2A, add sqrt to NRM3/NRM4

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This commit is contained in:
Brian Paul 2008-11-07 13:02:43 -07:00
parent 49680dae5d
commit cf9836cf09
1 changed files with 19 additions and 3 deletions
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22
src/gallium/auxiliary/tgsi/tgsi_exec.c
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@ -2034,7 +2034,21 @@ exec_instruction(
case TGSI_OPCODE_DOT2ADD:
/* TGSI_OPCODE_DP2A */
assert (0);
FETCH( &r[0], 0, CHAN_X );
FETCH( &r[1], 1, CHAN_X );
micro_mul( &r[0], &r[0], &r[1] );
FETCH( &r[1], 0, CHAN_Y );
FETCH( &r[2], 1, CHAN_Y );
micro_mul( &r[1], &r[1], &r[2] );
micro_add( &r[0], &r[0], &r[1] );
FETCH( &r[2], 2, CHAN_X );
micro_add( &r[0], &r[0], &r[2] );
FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) {
STORE( &r[0], 0, chan_index );
}
break;
case TGSI_OPCODE_INDEX:
@ -2479,7 +2493,8 @@ exec_instruction(
micro_mul( &dot, &r[2], &r[2] );
micro_add( &tmp, &tmp, &dot );
/* tmp = 1 / tmp */
/* tmp = 1 / sqrt(tmp) */
micro_sqrt( &tmp, &tmp );
micro_div( &tmp, &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], &tmp );
/* note: w channel is undefined */
@ -2512,7 +2527,8 @@ exec_instruction(
micro_mul( &dot, &r[3], &r[3] );
micro_add( &tmp, &tmp, &dot );
/* tmp = 1 / tmp */
/* tmp = 1 / sqrt(tmp) */
micro_sqrt( &tmp, &tmp );
micro_div( &tmp, &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], &tmp );
FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) {