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tgsi: Implement EXP opcode for SSE2.

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This commit is contained in:
Michal Krol
2008-08-19 11:47:30 +02:00
parent 7f2d349b2d
commit 0d9d2045e8
2 changed files with 53 additions and 19 deletions
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8
src/gallium/auxiliary/tgsi/tgsi_exec.c
View File

@@ -1756,18 +1756,18 @@ exec_instruction(
micro_flr( &r[1], &r[0] ); /* r1 = floor(r0) */ micro_flr( &r[1], &r[0] ); /* r1 = floor(r0) */
if (IS_CHANNEL_ENABLED( *inst, CHAN_X )) { if (IS_CHANNEL_ENABLED( *inst, CHAN_X )) {
micro_exp2( &r[2], &r[1] ); /* r2 = 2 ^ r1 */ micro_exp2( &r[2], &r[1] ); /* r2 = 2 ^ r1 */
STORE( &r[2], 0, CHAN_X ); /* store r2 */ STORE( &r[2], 0, CHAN_X ); /* store r2 */
} }
if (IS_CHANNEL_ENABLED( *inst, CHAN_Y )) { if (IS_CHANNEL_ENABLED( *inst, CHAN_Y )) {
micro_sub( &r[2], &r[0], &r[1] ); /* r2 = r0 - r1 */ micro_sub( &r[2], &r[0], &r[1] ); /* r2 = r0 - r1 */
STORE( &r[2], 0, CHAN_Y ); /* store r2 */ STORE( &r[2], 0, CHAN_Y ); /* store r2 */
} }
if (IS_CHANNEL_ENABLED( *inst, CHAN_Z )) { if (IS_CHANNEL_ENABLED( *inst, CHAN_Z )) {
micro_exp2( &r[2], &r[0] ); /* r2 = 2 ^ r0 */ micro_exp2( &r[2], &r[0] ); /* r2 = 2 ^ r0 */
STORE( &r[2], 0, CHAN_Z ); /* store r2 */ STORE( &r[2], 0, CHAN_Z ); /* store r2 */
} }
if (IS_CHANNEL_ENABLED( *inst, CHAN_W )) { if (IS_CHANNEL_ENABLED( *inst, CHAN_W )) {
STORE( &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], 0, CHAN_W ); STORE( &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], 0, CHAN_W );
} }
break; break;

64
src/gallium/auxiliary/tgsi/tgsi_sse2.c
View File

@@ -61,6 +61,9 @@
#define CHAN_Z 2 #define CHAN_Z 2
#define CHAN_W 3 #define CHAN_W 3
#define TEMP_ONE_I TGSI_EXEC_TEMP_ONE_I
#define TEMP_ONE_C TGSI_EXEC_TEMP_ONE_C
#define TEMP_R0 TGSI_EXEC_TEMP_R0 #define TEMP_R0 TGSI_EXEC_TEMP_R0
#define TEMP_ADDR TGSI_EXEC_TEMP_ADDR #define TEMP_ADDR TGSI_EXEC_TEMP_ADDR
@@ -958,8 +961,8 @@ emit_fetch(
emit_tempf( emit_tempf(
func, func,
xmm, xmm,
TGSI_EXEC_TEMP_ONE_I, TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C ); TEMP_ONE_C );
break; break;
default: default:
@@ -1173,8 +1176,8 @@ emit_setcc(
func, func,
make_xmm( 0 ), make_xmm( 0 ),
get_temp( get_temp(
TGSI_EXEC_TEMP_ONE_I, TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C ) ); TEMP_ONE_C ) );
STORE( func, *inst, 0, 0, chan_index ); STORE( func, *inst, 0, 0, chan_index );
} }
} }
@@ -1243,8 +1246,8 @@ emit_instruction(
emit_tempf( emit_tempf(
func, func,
0, 0,
TGSI_EXEC_TEMP_ONE_I, TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C); TEMP_ONE_C);
if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ) { if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ) {
STORE( func, *inst, 0, 0, CHAN_X ); STORE( func, *inst, 0, 0, CHAN_X );
} }
@@ -1329,7 +1332,38 @@ emit_instruction(
break; break;
case TGSI_OPCODE_EXP: case TGSI_OPCODE_EXP:
return 0; if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ||
IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) ||
IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z )) {
FETCH( func, *inst, 0, 0, CHAN_X );
if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ||
IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y )) {
emit_MOV( func, 1, 0 );
emit_flr( func, 1 );
/* dst.x = ex2(floor(src.x)) */
if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X )) {
emit_MOV( func, 2, 1 );
emit_ex2( func, 2 );
STORE( func, *inst, 2, 0, CHAN_X );
}
/* dst.y = src.x - floor(src.x) */
if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y )) {
emit_MOV( func, 2, 0 );
emit_sub( func, 2, 1 );
STORE( func, *inst, 2, 0, CHAN_Y );
}
}
/* dst.z = ex2(src.x) */
if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z )) {
emit_ex2( func, 0 );
STORE( func, *inst, 0, 0, CHAN_Z );
}
}
/* dst.w = 1.0 */
if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W )) {
emit_tempf( func, 0, TEMP_ONE_I, TEMP_ONE_C );
STORE( func, *inst, 0, 0, CHAN_W );
}
break; break;
case TGSI_OPCODE_LOG: case TGSI_OPCODE_LOG:
@@ -1399,8 +1433,8 @@ emit_instruction(
emit_tempf( emit_tempf(
func, func,
0, 0,
TGSI_EXEC_TEMP_ONE_I, TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C ); TEMP_ONE_C );
STORE( func, *inst, 0, 0, CHAN_X ); STORE( func, *inst, 0, 0, CHAN_X );
} }
IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) { IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) {
@@ -1603,8 +1637,8 @@ emit_instruction(
emit_tempf( emit_tempf(
func, func,
0, 0,
TGSI_EXEC_TEMP_ONE_I, TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C ); TEMP_ONE_C );
STORE( func, *inst, 0, 0, CHAN_W ); STORE( func, *inst, 0, 0, CHAN_W );
} }
break; break;
@@ -1731,8 +1765,8 @@ emit_instruction(
emit_tempf( emit_tempf(
func, func,
0, 0,
TGSI_EXEC_TEMP_ONE_I, TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C ); TEMP_ONE_C );
FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
STORE( func, *inst, 0, 0, chan_index ); STORE( func, *inst, 0, 0, chan_index );
} }
@@ -1820,8 +1854,8 @@ emit_instruction(
emit_tempf( emit_tempf(
func, func,
0, 0,
TGSI_EXEC_TEMP_ONE_I, TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C ); TEMP_ONE_C );
STORE( func, *inst, 0, 0, CHAN_W ); STORE( func, *inst, 0, 0, CHAN_W );
} }
break; break;