Mesa (master): gallium/ttn: add TXB2

[Rob Clark]

Module: Mesa
Branch: master
Commit: d1f0e019797863b23388bfef53a77f659f749d3c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d1f0e019797863b23388bfef53a77f659f749d3c

Author: Rob Clark <robclark at freedesktop.org>
Date:   Fri Jun 26 13:48:29 2015 -0400

gallium/ttn: add TXB2

Signed-off-by: Rob Clark <robclark at freedesktop.org>
Reviewed-by: Eric Anholt <eric at anholt.net>

---

 src/gallium/auxiliary/nir/tgsi_to_nir.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/gallium/auxiliary/nir/tgsi_to_nir.c b/src/gallium/auxiliary/nir/tgsi_to_nir.c
index c5b65ee..bd4cdcb 100644
--- a/src/gallium/auxiliary/nir/tgsi_to_nir.c
+++ b/src/gallium/auxiliary/nir/tgsi_to_nir.c
@@ -1068,6 +1068,11 @@ ttn_tex(struct ttn_compile *c, nir_alu_dest dest, nir_ssa_def **src)
       op = nir_texop_txb;
       num_srcs = 2;
       break;
+   case TGSI_OPCODE_TXB2:
+      op = nir_texop_txb;
+      num_srcs = 2;
+      samp = 2;
+      break;
    case TGSI_OPCODE_TXL:
       op = nir_texop_txl;
       num_srcs = 2;
@@ -1169,6 +1174,12 @@ ttn_tex(struct ttn_compile *c, nir_alu_dest dest, nir_ssa_def **src)
       src_number++;
    }
 
+   if (tgsi_inst->Instruction.Opcode == TGSI_OPCODE_TXB2) {
+      instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[1], X));
+      instr->src[src_number].src_type = nir_tex_src_bias;
+      src_number++;
+   }
+
    if (tgsi_inst->Instruction.Opcode == TGSI_OPCODE_TXL) {
       instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[0], W));
       instr->src[src_number].src_type = nir_tex_src_lod;