From: Ben Skeggs <bskeggs@redhat.com>
Date: Sat, 28 Aug 2010 16:08:26 +0000 (+0200)
Subject: nv50: DST
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7145ab214f1bd0d84671936dddb87db05f2861f6;p=mesa.git

nv50: DST
---

diff --git a/src/gallium/drivers/nv50/nv50_tgsi_to_nc.c b/src/gallium/drivers/nv50/nv50_tgsi_to_nc.c
index 8b18a9c0252..0ea2912846d 100644
--- a/src/gallium/drivers/nv50/nv50_tgsi_to_nc.c
+++ b/src/gallium/drivers/nv50/nv50_tgsi_to_nc.c
@@ -1337,6 +1337,19 @@ bld_instruction(struct bld_context *bld,
       FOR_EACH_DST0_ENABLED_CHANNEL(c, insn)
          dst0[c] = temp;
       break;
+   case TGSI_OPCODE_DST:
+      if (insn->Dst[0].Register.WriteMask & 1)
+         dst0[0] = bld_imm_f32(bld, 1.0f);
+      if (insn->Dst[0].Register.WriteMask & 2) {
+         src0 = emit_fetch(bld, insn, 0, 1);
+         src1 = emit_fetch(bld, insn, 1, 1);
+         dst0[1] = bld_insn_2(bld, NV_OP_MUL, src0, src1);
+      }
+      if (insn->Dst[0].Register.WriteMask & 4)
+         dst0[2] = emit_fetch(bld, insn, 0, 2);
+      if (insn->Dst[0].Register.WriteMask & 8)
+         dst0[3] = emit_fetch(bld, insn, 1, 3);
+      break;
    case TGSI_OPCODE_EX2:
       src0 = emit_fetch(bld, insn, 0, 0);
       temp = bld_insn_1(bld, NV_OP_PREEX2, src0);