diff options
| author | Michal Krol <michal@vmware.com> | 2009-03-10 10:22:34 +0100 |
|---|---|---|
| committer | Michal Krol <michal@vmware.com> | 2009-03-10 10:27:27 +0100 |
| commit | ca066f05cd5ad4211b88532b3d005cacf06b65bf (patch) | |
| tree | b4c56ae683e0cf05a7615937c5430339cb65b9c6 | |
| parent | fb88908f5cea2677617499307768ead138510491 (diff) | |
tgsi: Implement CLAMP opcode.
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_exec.c | 21 |
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); |