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-rw-r--r--src/gallium/state_trackers/nine/nine_shader.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/src/gallium/state_trackers/nine/nine_shader.c b/src/gallium/state_trackers/nine/nine_shader.c
index 7db07d8f693..5b8ad3f161e 100644
--- a/src/gallium/state_trackers/nine/nine_shader.c
+++ b/src/gallium/state_trackers/nine/nine_shader.c
@@ -2273,6 +2273,18 @@ DECL_SPECIAL(POW)
return D3D_OK;
}
+DECL_SPECIAL(RCP)
+{
+ struct ureg_program *ureg = tx->ureg;
+ struct ureg_dst dst = tx_dst_param(tx, &tx->insn.dst[0]);
+ struct ureg_src src = tx_src_param(tx, &tx->insn.src[0]);
+ struct ureg_dst tmp = tx_scratch(tx);
+ ureg_RCP(ureg, tmp, src);
+ ureg_MIN(ureg, tmp, ureg_imm1f(ureg, FLT_MAX), ureg_src(tmp));
+ ureg_MAX(ureg, dst, ureg_imm1f(ureg, -FLT_MAX), ureg_src(tmp));
+ return D3D_OK;
+}
+
DECL_SPECIAL(RSQ)
{
struct ureg_program *ureg = tx->ureg;
@@ -2909,7 +2921,7 @@ static const struct sm1_op_info inst_table[] =
_OPI(SUB, NOP, V(0,0), V(3,0), V(0,0), V(3,0), 1, 2, SPECIAL(SUB)), /* 3 */
_OPI(MAD, MAD, V(0,0), V(3,0), V(0,0), V(3,0), 1, 3, NULL), /* 4 */
_OPI(MUL, MUL, V(0,0), V(3,0), V(0,0), V(3,0), 1, 2, NULL), /* 5 */
- _OPI(RCP, RCP, V(0,0), V(3,0), V(0,0), V(3,0), 1, 1, NULL), /* 6 */
+ _OPI(RCP, RCP, V(0,0), V(3,0), V(0,0), V(3,0), 1, 1, SPECIAL(RCP)), /* 6 */
_OPI(RSQ, RSQ, V(0,0), V(3,0), V(0,0), V(3,0), 1, 1, SPECIAL(RSQ)), /* 7 */
_OPI(DP3, DP3, V(0,0), V(3,0), V(0,0), V(3,0), 1, 2, NULL), /* 8 */
_OPI(DP4, DP4, V(0,0), V(3,0), V(0,0), V(3,0), 1, 2, NULL), /* 9 */