From: Stéphane Marchesin <marcheu@chromium.org>
Date: Sat, 4 Jun 2011 01:57:16 +0000 (-0700)
Subject: i915g: implement TGSI_OPCODE_SEQ.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0f091333d1ef403a67a8639ac13d9a9bbe93092a;p=mesa.git

i915g: implement TGSI_OPCODE_SEQ.
---

diff --git a/src/gallium/drivers/i915/i915_fpc_translate.c b/src/gallium/drivers/i915/i915_fpc_translate.c
index 9f3c766cb81..695a3966bbb 100644
--- a/src/gallium/drivers/i915/i915_fpc_translate.c
+++ b/src/gallium/drivers/i915/i915_fpc_translate.c
@@ -852,6 +852,34 @@ i915_translate_instruction(struct i915_fp_compile *p,
       emit_simple_arith_swap2(p, inst, A0_SLT, 2);
       break;
 
+   case TGSI_OPCODE_SEQ:
+      /* if we're both >= and <= then we're == */
+      src0 = src_vector(p, &inst->Src[0]);
+      src1 = src_vector(p, &inst->Src[1]);
+      tmp = i915_get_utemp(p);
+
+      i915_emit_arith(p,
+                      A0_SGE,
+                      tmp, A0_DEST_CHANNEL_ALL, 0,
+                      src0,
+                      src1, 0);
+
+      i915_emit_arith(p,
+                      A0_SGE,
+                      get_result_vector(p, &inst->Dst[0]),
+                      A0_DEST_CHANNEL_ALL, 0,
+                      src1,
+                      src0, 0);
+
+      i915_emit_arith(p,
+                      A0_MUL,
+                      get_result_vector(p, &inst->Dst[0]),
+                      A0_DEST_CHANNEL_ALL, 0,
+                      get_result_vector(p, &inst->Dst[0]),
+                      tmp, 0);
+
+      break;
+
    case TGSI_OPCODE_SUB:
       src0 = src_vector(p, &inst->Src[0]);
       src1 = src_vector(p, &inst->Src[1]);