Mesa (main): pan/bi: Handle fsat_signed and fclamp_pos

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Module: Mesa
Branch: main
Commit: ecd9a3fed5dff3997cc279468b816dfac281fc76
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ecd9a3fed5dff3997cc279468b816dfac281fc76

Author: Alyssa Rosenzweig <alyssa at collabora.com>
Date:   Thu Jun 10 20:37:12 2021 -0400

pan/bi: Handle fsat_signed and fclamp_pos

Translates to Mali-specific clamps.

Signed-off-by: Alyssa Rosenzweig <alyssa at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11327>

---

 src/panfrost/bifrost/bifrost_compile.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c
index 90d396add99..907bf13f3ac 100644
--- a/src/panfrost/bifrost/bifrost_compile.c
+++ b/src/panfrost/bifrost/bifrost_compile.c
@@ -1784,6 +1784,18 @@ bi_emit_alu(bi_builder *b, nir_alu_instr *instr)
                 break;
         }
 
+        case nir_op_fsat_signed: {
+                bi_instr *I = bi_fadd_to(b, sz, dst, s0, bi_negzero(), BI_ROUND_NONE);
+                I->clamp = BI_CLAMP_CLAMP_M1_1;
+                break;
+        }
+
+        case nir_op_fclamp_pos: {
+                bi_instr *I = bi_fadd_to(b, sz, dst, s0, bi_negzero(), BI_ROUND_NONE);
+                I->clamp = BI_CLAMP_CLAMP_0_INF;
+                break;
+        }
+
         case nir_op_fneg:
                 bi_fadd_to(b, sz, dst, bi_neg(s0), bi_negzero(), BI_ROUND_NONE);
                 break;