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-rw-r--r--src/mesa/drivers/dri/i965/brw_eu.h1
-rw-r--r--src/mesa/drivers/dri/i965/brw_eu_emit.c1
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_emit.c4
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_glsl.c2
4 files changed, 7 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h
index 31e9ceb42ed..9e2b39af9bb 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.h
+++ b/src/mesa/drivers/dri/i965/brw_eu.h
@@ -753,6 +753,7 @@ ALU2(ADD)
ALU2(MUL)
ALU1(FRC)
ALU1(RNDD)
+ALU1(RNDZ)
ALU2(MAC)
ALU2(MACH)
ALU1(LZD)
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index ce4cf46cfa6..4e099b5945c 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -439,6 +439,7 @@ ALU2(ADD)
ALU2(MUL)
ALU1(FRC)
ALU1(RNDD)
+ALU1(RNDZ)
ALU2(MAC)
ALU2(MACH)
ALU1(LZD)
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index 80ff7437ba2..71e2a95bfd9 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -1133,6 +1133,10 @@ void brw_vs_emit(struct brw_vs_compile *c )
*/
emit_swz(c, dst, inst->SrcReg[0] );
break;
+ case OPCODE_TRUNC:
+ /* round toward zero */
+ brw_RNDZ(p, dst, args[0]);
+ break;
case OPCODE_XPD:
emit_xpd(p, dst, args[0], args[1]);
break;
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index baecfdcb799..d43e326f7d1 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -267,7 +267,7 @@ static void emit_trunc( struct brw_wm_compile *c,
struct brw_reg src, dst;
dst = get_dst_reg(c, inst, i, 1) ;
src = get_src_reg(c, &inst->SrcReg[0], i, 1);
- brw_RNDD(p, dst, src);
+ brw_RNDZ(p, dst, src);
}
}
brw_set_saturate(p, 0);