diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2008-11-07 13:02:43 -0700 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2008-11-07 13:02:43 -0700 |
| commit | cf9836cf09790de70732963ea571b83719c0c03c (patch) | |
| tree | 96f42a84f1653eeec97c7a296c607f8472cd371f /src/gallium/auxiliary/tgsi | |
| parent | 49680dae5dd014503974f20c0b943244622ca3d5 (diff) | |
gallium: implement TGSI_OPCODE_DP2A, add sqrt to NRM3/NRM4
Diffstat (limited to 'src/gallium/auxiliary/tgsi')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_exec.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c index 8d135f8777..1da04ab7e0 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_exec.c +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c @@ -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 ) { |