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path: root/src/gallium/auxiliary/draw/draw_vs_aos.c
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Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vs_aos.c')
-rw-r--r--src/gallium/auxiliary/draw/draw_vs_aos.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_aos.c b/src/gallium/auxiliary/draw/draw_vs_aos.c
index 87232865e2..a6880685db 100644
--- a/src/gallium/auxiliary/draw/draw_vs_aos.c
+++ b/src/gallium/auxiliary/draw/draw_vs_aos.c
@@ -1632,6 +1632,17 @@ static boolean emit_SUB( struct aos_compilation *cp, const struct tgsi_full_inst
return TRUE;
}
+static boolean emit_TRUNC( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
+{
+ struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
+ struct x86_reg tmp0 = aos_get_xmm_reg(cp);
+
+ sse2_cvttps2dq(cp->func, tmp0, arg0);
+ sse2_cvtdq2ps(cp->func, tmp0, tmp0);
+
+ store_dest(cp, &op->FullDstRegisters[0], tmp0);
+ return TRUE;
+}
static boolean emit_XPD( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
{
@@ -1770,6 +1781,9 @@ emit_instruction( struct aos_compilation *cp,
case TGSI_OPCODE_SIN:
return emit_SIN(cp, inst);
+ case TGSI_OPCODE_TRUNC:
+ return emit_TRUNC(cp, inst);
+
case TGSI_OPCODE_END:
return TRUE;