summaryrefslogtreecommitdiffstats
path: root/src/gallium
diff options
context:
space:
mode:
authorBen Skeggs <[email protected]>2008-06-07 12:55:06 +1000
committerBen Skeggs <[email protected]>2008-06-29 15:46:14 +1000
commitb4f7463585071236d633e4c857dbbdf67b03dc94 (patch)
tree111bb79c118ebcc65713b7a365a09b32df035b5e /src/gallium
parentbdd31c20abb27665ca701a5a46e29d4cfa71f679 (diff)
nv50: FLR/FRC
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/nv50/nv50_program.c37
1 files changed, 35 insertions, 2 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index fa16c7522e1..448062e767f 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -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)))