From 90629704ef51de4018055ee4b8ff68531f6712ae Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 11 Aug 2009 16:47:15 -0700
Subject: [PATCH] i965: Use a normal alu1 emit for OPCODE_TRUNC.

---
 src/mesa/drivers/dri/i965/brw_wm_emit.c | 16 +---------------
 src/mesa/drivers/dri/i965/brw_wm_glsl.c | 20 +-------------------
 2 files changed, 2 insertions(+), 34 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_wm_emit.c b/src/mesa/drivers/dri/i965/brw_wm_emit.c
index 5e41a3f5711..215515d10bd 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_emit.c
@@ -422,20 +422,6 @@ static void emit_mad( struct brw_compile *p,
    }
 }
 
-static void emit_trunc( struct brw_compile *p,
-		      const struct brw_reg *dst,
-		      GLuint mask,
-		      const struct brw_reg *arg0)
-{
-   GLuint i;
-
-   for (i = 0; i < 4; i++) {
-      if (mask & (1<<i)) {
-	 brw_RNDZ(p, dst[i], arg0[i]);
-      }
-   }
-}
-
 static void emit_lrp( struct brw_compile *p, 
 		      const struct brw_reg *dst,
 		      GLuint mask,
@@ -1364,7 +1350,7 @@ void brw_wm_emit( struct brw_wm_compile *c )
 	 break;
 
       case OPCODE_TRUNC:
-	 emit_trunc(p, dst, dst_flags, args[0]);
+	 emit_alu1(p, brw_RNDZ, dst, dst_flags, args[0]);
 	 break;
 
       case OPCODE_LRP:
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index fdd31d4ed50..cd5a59463c3 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -650,24 +650,6 @@ static void invoke_subroutine( struct brw_wm_compile *c,
     }
 }
 
-static void emit_trunc( struct brw_wm_compile *c,
-                        const struct prog_instruction *inst)
-{
-    int i;
-    struct brw_compile *p = &c->func;
-    GLuint mask = inst->DstReg.WriteMask;
-    brw_set_saturate(p, inst->SaturateMode != SATURATE_OFF);
-    for (i = 0; i < 4; i++) {
-	if (mask & (1<<i)) {
-	    struct brw_reg src, dst;
-	    dst = get_dst_reg(c, inst, i);
-	    src = get_src_reg(c, inst, 0, i);
-	    brw_RNDZ(p, dst, src);
-	}
-    }
-    brw_set_saturate(p, 0);
-}
-
 static void emit_pixel_xy(struct brw_wm_compile *c,
                           const struct prog_instruction *inst)
 {
@@ -2743,7 +2725,7 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
 		emit_lrp(c, inst);
 		break;
 	    case OPCODE_TRUNC:
-		emit_trunc(c, inst);
+		emit_alu1(p, brw_RNDZ, dst, dst_flags, args[0]);
 		break;
 	    case OPCODE_MOV:
 	    case OPCODE_SWZ:
-- 
2.30.2