Module: Mesa
Branch: 11.0
Commit: 9c9e843733d71a1d57f551c28855a5306fab9e93
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=9c9e843733d71a1d57f551c28855a5306fab9e93

Author: Ilia Mirkin <[email protected]>
Date:   Fri Nov 20 16:51:07 2015 -0500

ttn: add TEX2 support

This fixes CubeArrayShadow tests (where the shadow comes in via a second
arg to the TEX2 instruction).

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
Cc: [email protected]
(cherry picked from commit 4fd24caf92fc995e4a730181e0f179a7f2218e60)

---

 src/gallium/auxiliary/nir/tgsi_to_nir.c |   14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/gallium/auxiliary/nir/tgsi_to_nir.c 
b/src/gallium/auxiliary/nir/tgsi_to_nir.c
index 93dfb80..14370e2 100644
--- a/src/gallium/auxiliary/nir/tgsi_to_nir.c
+++ b/src/gallium/auxiliary/nir/tgsi_to_nir.c
@@ -1087,6 +1087,11 @@ ttn_tex(struct ttn_compile *c, nir_alu_dest dest, 
nir_ssa_def **src)
       op = nir_texop_tex;
       num_srcs = 1;
       break;
+   case TGSI_OPCODE_TEX2:
+      op = nir_texop_tex;
+      num_srcs = 1;
+      samp = 2;
+      break;
    case TGSI_OPCODE_TXP:
       op = nir_texop_tex;
       num_srcs = 2;
@@ -1242,10 +1247,12 @@ ttn_tex(struct ttn_compile *c, nir_alu_dest dest, 
nir_ssa_def **src)
    }
 
    if (instr->is_shadow) {
-      if (instr->coord_components < 3)
-         instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[0], 
Z));
-      else
+      if (instr->coord_components == 4)
+         instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[1], 
X));
+      else if (instr->coord_components == 3)
          instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[0], 
W));
+      else
+         instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[0], 
Z));
 
       instr->src[src_number].src_type = nir_tex_src_comparitor;
       src_number++;
@@ -1651,6 +1658,7 @@ ttn_emit_instruction(struct ttn_compile *c)
    case TGSI_OPCODE_TXL:
    case TGSI_OPCODE_TXB:
    case TGSI_OPCODE_TXD:
+   case TGSI_OPCODE_TEX2:
    case TGSI_OPCODE_TXL2:
    case TGSI_OPCODE_TXB2:
    case TGSI_OPCODE_TXQ_LZ:

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