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tgsi: Implement CLAMP opcode.

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This commit is contained in:
Michal Krol
2009-03-10 10:22:34 +01:00
parent fb88908f5c
commit ca066f05cd
1 changed files with 14 additions and 7 deletions
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21
src/gallium/auxiliary/tgsi/tgsi_exec.c
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@@ -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);