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nv50: FLR/FRC

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This commit is contained in:
Ben Skeggs 2008-06-07 12:55:06 +10:00
parent bdd31c20ab
commit b4f7463585
1 changed files with 35 additions and 2 deletions
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37
src/gallium/drivers/nv50/nv50_program.c
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@ -15,8 +15,6 @@
/* ABS
* ARL
* DST - const(1.0)
* FLR
* FRC
* LIT
* POW
* SWZ
@ -629,6 +627,24 @@ emit_set(struct nv50_pc *pc, unsigned c_op, struct nv50_reg *dst,
free_temp(pc, dst);
}
static void
emit_flr(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
{
unsigned inst[2] = { 0, 0 };
set_long(pc, inst);
inst[0] = 0xa0000000; /* cvt */
inst[1] |= (6 << 29); /* cvt */
inst[1] |= 0x08000000; /* integer mode */
inst[1] |= 0x04000000; /* 32 bit */
inst[1] |= ((0x1 << 3)) << 14; /* .rn */
inst[1] |= (1 << 14); /* src .f32 */
set_dst(pc, dst, inst);
set_src_0(pc, src, inst);
emit(pc, inst);
}
static boolean
nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
{
@ -716,6 +732,23 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
}
free_temp(pc, temp);
break;
case TGSI_OPCODE_FLR:
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
continue;
emit_flr(pc, dst[c], src[0][c]);
}
break;
case TGSI_OPCODE_FRC:
temp = alloc_temp(pc, NULL);
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
continue;
emit_flr(pc, temp, src[0][c]);
emit_sub(pc, dst[c], src[0][c], temp);
}
free_temp(pc, temp);
break;
case TGSI_OPCODE_LG2:
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))