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authorBrian Paul <brian.paul@tungstengraphics.com>2008-11-07 13:02:43 -0700
committerBrian Paul <brian.paul@tungstengraphics.com>2008-11-07 13:02:43 -0700
commitcf9836cf09790de70732963ea571b83719c0c03c (patch)
tree96f42a84f1653eeec97c7a296c607f8472cd371f /src/gallium/auxiliary/tgsi
parent49680dae5dd014503974f20c0b943244622ca3d5 (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.c22
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 ) {