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added micro_trunc(), re-order some code

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This commit is contained in:
Brian 2007-10-02 15:17:37 -06:00
parent 8955bc3458
commit fe1d15acc7
1 changed files with 47 additions and 32 deletions
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79
src/mesa/pipe/tgsi/exec/tgsi_exec.c
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@ -179,6 +179,10 @@ tgsi_exec_machine_init(
GLuint i, k;
struct tgsi_parse_context parse;
#if 0
tgsi_dump(tokens, 0);
#endif
mach->Tokens = tokens;
mach->Samplers = samplers;
@ -734,6 +738,17 @@ micro_ishr(
dst->i[3] = src0->i[3] >> src1->i[3];
}
static void
micro_trunc(
union tgsi_exec_channel *dst,
const union tgsi_exec_channel *src0 )
{
dst->f[0] = (float) (int) src0->u[0];
dst->f[1] = (float) (int) src0->u[1];
dst->f[2] = (float) (int) src0->u[2];
dst->f[3] = (float) (int) src0->u[3];
}
static void
micro_ushr(
union tgsi_exec_channel *dst,
@ -1995,13 +2010,6 @@ exec_instruction(
assert (0);
break;
case TGSI_OPCODE_BRK:
/* turn off loop channels for each enabled exec channel */
mach->LoopMask &= ~mach->ExecMask;
/* Todo: if mach->LoopMask == 0, jump to end of loop */
UPDATE_EXEC_MASK(mach);
break;
case TGSI_OPCODE_IF:
/* push CondMask */
assert(mach->CondStackTop < TGSI_EXEC_MAX_COND_NESTING);
@ -2024,16 +2032,6 @@ exec_instruction(
/* Todo: If CondMask==0, jump to ELSE */
break;
case TGSI_OPCODE_LOOP:
/* push LoopMask */
assert(mach->LoopStackTop < TGSI_EXEC_MAX_LOOP_NESTING);
mach->LoopStack[mach->LoopStackTop++] = mach->LoopMask;
break;
case TGSI_OPCODE_REP:
assert (0);
break;
case TGSI_OPCODE_ELSE:
/* invert CondMask wrt previous mask */
{
@ -2046,11 +2044,6 @@ exec_instruction(
}
break;
case TGSI_OPCODE_END:
/* halt execution */
*pc = -1;
break;
case TGSI_OPCODE_ENDIF:
/* pop CondMask */
assert(mach->CondStackTop > 0);
@ -2058,6 +2051,15 @@ exec_instruction(
UPDATE_EXEC_MASK(mach);
break;
case TGSI_OPCODE_END:
/* halt execution */
*pc = -1;
break;
case TGSI_OPCODE_REP:
assert (0);
break;
case TGSI_OPCODE_ENDREP:
assert (0);
break;
@ -2095,8 +2097,11 @@ exec_instruction(
break;
case TGSI_OPCODE_TRUNC:
/* TGSI_OPCODE_INT */
assert (0);
FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) {
FETCH( &r[0], 0, chan_index );
micro_trunc( &r[0], &r[0] );
STORE( &r[0], 0, chan_index );
}
break;
case TGSI_OPCODE_SHL:
@ -2160,10 +2165,6 @@ exec_instruction(
assert (0);
break;
case TGSI_OPCODE_CONT:
assert (0);
break;
case TGSI_OPCODE_EMIT:
mach->Temps[TEMP_OUTPUT_I].xyzw[TEMP_OUTPUT_C].u[0] += 16;
mach->Primitives[mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0]]++;
@ -2174,16 +2175,14 @@ exec_instruction(
mach->Primitives[mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0]] = 0;
break;
case TGSI_OPCODE_LOOP:
/* fall-through (for now) */
case TGSI_OPCODE_BGNLOOP2:
/* push LoopMask */
assert(mach->LoopStackTop < TGSI_EXEC_MAX_LOOP_NESTING);
mach->LoopStack[mach->LoopStackTop++] = mach->LoopMask;
break;
case TGSI_OPCODE_BGNSUB:
/* no-op */
break;
case TGSI_OPCODE_ENDLOOP:
/* fall-through (for now at least) */
case TGSI_OPCODE_ENDLOOP2:
@ -2199,6 +2198,22 @@ exec_instruction(
}
break;
case TGSI_OPCODE_BRK:
/* turn off loop channels for each enabled exec channel */
mach->LoopMask &= ~mach->ExecMask;
/* Todo: if mach->LoopMask == 0, jump to end of loop */
UPDATE_EXEC_MASK(mach);
break;
case TGSI_OPCODE_CONT:
assert (0);
break;
case TGSI_OPCODE_BGNSUB:
/* no-op */
break;
case TGSI_OPCODE_ENDSUB:
assert( 0 );
break;