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authorMichal Krol <michal@vmware.com>2009-03-10 10:22:34 +0100
committerMichal Krol <michal@vmware.com>2009-03-10 10:27:27 +0100
commitca066f05cd5ad4211b88532b3d005cacf06b65bf (patch)
treeb4c56ae683e0cf05a7615937c5430339cb65b9c6
parentfb88908f5cea2677617499307768ead138510491 (diff)
tgsi: Implement CLAMP opcode.
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index c5537a3bb4..1a017064af 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -2127,7 +2127,7 @@ exec_instruction(
break;
case TGSI_OPCODE_DOT2ADD:
- /* TGSI_OPCODE_DP2A */
+ /* TGSI_OPCODE_DP2A */
FETCH( &r[0], 0, CHAN_X );
FETCH( &r[1], 1, CHAN_X );
micro_mul( &r[0], &r[0], &r[1] );
@@ -2165,7 +2165,14 @@ exec_instruction(
break;
case TGSI_OPCODE_CLAMP:
- assert (0);
+ FOR_EACH_ENABLED_CHANNEL(*inst, chan_index) {
+ FETCH(&r[0], 0, chan_index);
+ FETCH(&r[1], 1, chan_index);
+ micro_max(&r[0], &r[0], &r[1]);
+ FETCH(&r[1], 2, chan_index);
+ micro_min(&r[0], &r[0], &r[1]);
+ STORE(&r[0], 0, chan_index);
+ }
break;
case TGSI_OPCODE_ROUND:
@@ -2178,7 +2185,7 @@ exec_instruction(
break;
case TGSI_OPCODE_EXPBASE2:
- /* TGSI_OPCODE_EX2 */
+ /* TGSI_OPCODE_EX2 */
FETCH(&r[0], 0, CHAN_X);
#if FAST_MATH
@@ -2188,7 +2195,7 @@ exec_instruction(
#endif
FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) {
- STORE( &r[0], 0, chan_index );
+ STORE( &r[0], 0, chan_index );
}
break;
@@ -2202,19 +2209,19 @@ exec_instruction(
break;
case TGSI_OPCODE_POWER:
- /* TGSI_OPCODE_POW */
+ /* TGSI_OPCODE_POW */
FETCH(&r[0], 0, CHAN_X);
FETCH(&r[1], 1, CHAN_X);
micro_pow( &r[0], &r[0], &r[1] );
FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) {
- STORE( &r[0], 0, chan_index );
+ STORE( &r[0], 0, chan_index );
}
break;
case TGSI_OPCODE_CROSSPRODUCT:
- /* TGSI_OPCODE_XPD */
+ /* TGSI_OPCODE_XPD */
FETCH(&r[0], 0, CHAN_Y);
FETCH(&r[1], 1, CHAN_Z);