i965: Use a normal alu1 emit for OPCODE_TRUNC.

diff --git a/src/mesa/drivers/dri/i965/brw_wm_emit.c b/src/mesa/drivers/dri/i965/brw_wm_emit.c
index 5e41a3f5711d289d41da508cd86fc9a265d5c26f..215515d10bd4483b7db5722b60729394cfac7723 100644 (file)
--- 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 fdd31d4ed50f18fd4ad503315086608c42205432..cd5a59463c393bbb6d0efcc5a4462e7d7f0a4666 100644 (file)
--- 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: