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authorBrian Paul <brian.paul@tungstengraphics.com>2008-11-07 13:02:43 -0700
committerMichal Krol <michal@vmware.com>2008-12-24 14:14:07 +0100
commit49c40b10c72e64977971ccb96abfc8767ed4c6ea (patch)
tree598c0a1e7558d2823dbbb9c65fc9e8a9d770060b /src
parentfc4cea08fe8320438c72de7f4af2d7091681dca3 (diff)
gallium: implement TGSI_OPCODE_DP2A, add sqrt to NRM3/NRM4
Diffstat (limited to 'src')
-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 d55c337207..f98b66dc0b 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -2041,7 +2041,21 @@ 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:
@@ -2488,7 +2502,8 @@ 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 */
@@ -2521,7 +2536,8 @@ 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 ) {