Mesa (gallium-0.2): nv50: implement KIL enough for progs/fp/kil to work
Ben Skeggs
darktama at kemper.freedesktop.org
Tue Jan 13 03:57:17 UTC 2009
Module: Mesa
Branch: gallium-0.2
Commit: d2442016afdc5e3b12b04d912f005ab183f7b8ff
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d2442016afdc5e3b12b04d912f005ab183f7b8ff
Author: Ben Skeggs <skeggsb at gmail.com>
Date: Tue Jan 13 09:56:40 2009 +1000
nv50: implement KIL enough for progs/fp/kil to work
---
src/gallium/drivers/nv50/nv50_program.c | 28 ++++++++++++++++++++++++++++
1 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index bc85ede..5537a47 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -841,6 +841,28 @@ emit_neg(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
emit(pc, e);
}
+static void
+emit_kil(struct nv50_pc *pc, struct nv50_reg *src)
+{
+ struct nv50_program_exec *e;
+ const int r_pred = 1;
+
+ /* Sets predicate reg ? */
+ e = exec(pc);
+ e->inst[0] = 0xa00001fd;
+ e->inst[1] = 0xc4014788;
+ set_src_0(pc, src, e);
+ set_pred_wr(pc, 1, r_pred, e);
+ emit(pc, e);
+
+ /* This is probably KILP */
+ e = exec(pc);
+ e->inst[0] = 0x000001fe;
+ set_long(pc, e);
+ set_pred(pc, 1 /* LT? */, r_pred, e);
+ emit(pc, e);
+}
+
static struct nv50_reg *
tgsi_dst(struct nv50_pc *pc, int c, const struct tgsi_full_dst_register *dst)
{
@@ -1069,6 +1091,12 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
}
free_temp(pc, temp);
break;
+ case TGSI_OPCODE_KIL:
+ emit_kil(pc, src[0][0]);
+ emit_kil(pc, src[0][1]);
+ emit_kil(pc, src[0][2]);
+ emit_kil(pc, src[0][3]);
+ break;
case TGSI_OPCODE_LIT:
emit_lit(pc, &dst[0], mask, &src[0][0]);
break;
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