libvpx: Pull from upstream

source/libvpx/vp9/common/mips/msa/vp9_mfqe_msa.c

+/*
+ *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "./vp9_rtcd.h"
+#include "vp9/common/vp9_onyxc_int.h"
+#include "vp9/common/mips/msa/vp9_macros_msa.h"
+
+static void filter_by_weight8x8_msa(const uint8_t *src_ptr, int32_t src_stride,
+                                    uint8_t *dst_ptr, int32_t dst_stride,
+                                    int32_t src_weight) {
+  int32_t dst_weight = (1 << MFQE_PRECISION) - src_weight;
+  int32_t row;
+  uint64_t src0_d, src1_d, dst0_d, dst1_d;
+  v16i8 src0 = { 0 };
+  v16i8 src1 = { 0 };
+  v16i8 dst0 = { 0 };
+  v16i8 dst1 = { 0 };
+  v8i16 src_wt, dst_wt, res_h_r, res_h_l, src_r, src_l, dst_r, dst_l;
+
+  src_wt = __msa_fill_h(src_weight);
+  dst_wt = __msa_fill_h(dst_weight);
+
+  for (row = 2; row--;) {
+    LD2(src_ptr, src_stride, src0_d, src1_d);
+    src_ptr += (2 * src_stride);
+    LD2(dst_ptr, dst_stride, dst0_d, dst1_d);
+    INSERT_D2_SB(src0_d, src1_d, src0);
+    INSERT_D2_SB(dst0_d, dst1_d, dst0);
+
+    LD2(src_ptr, src_stride, src0_d, src1_d);
+    src_ptr += (2 * src_stride);
+    LD2((dst_ptr + 2 * dst_stride), dst_stride, dst0_d, dst1_d);
+    INSERT_D2_SB(src0_d, src1_d, src1);
+    INSERT_D2_SB(dst0_d, dst1_d, dst1);
+
+    UNPCK_UB_SH(src0, src_r, src_l);
+    UNPCK_UB_SH(dst0, dst_r, dst_l);
+    res_h_r = (src_r * src_wt);
+    res_h_r += (dst_r * dst_wt);
+    res_h_l = (src_l * src_wt);
+    res_h_l += (dst_l * dst_wt);
+    SRARI_H2_SH(res_h_r, res_h_l, MFQE_PRECISION);
+    dst0 = (v16i8)__msa_pckev_b((v16i8)res_h_l, (v16i8)res_h_r);
+    ST8x2_UB(dst0, dst_ptr, dst_stride);
+    dst_ptr += (2 * dst_stride);
+
+    UNPCK_UB_SH(src1, src_r, src_l);
+    UNPCK_UB_SH(dst1, dst_r, dst_l);
+    res_h_r = (src_r * src_wt);
+    res_h_r += (dst_r * dst_wt);
+    res_h_l = (src_l * src_wt);
+    res_h_l += (dst_l * dst_wt);
+    SRARI_H2_SH(res_h_r, res_h_l, MFQE_PRECISION);
+    dst1 = (v16i8)__msa_pckev_b((v16i8)res_h_l, (v16i8)res_h_r);
+    ST8x2_UB(dst1, dst_ptr, dst_stride);
+    dst_ptr += (2 * dst_stride);
+  }
+}
+
+static void filter_by_weight16x16_msa(const uint8_t *src_ptr,
+                                      int32_t src_stride,
+                                      uint8_t *dst_ptr,
+                                      int32_t dst_stride,
+                                      int32_t src_weight) {
+  int32_t dst_weight = (1 << MFQE_PRECISION) - src_weight;
+  int32_t row;
+  v16i8 src0, src1, src2, src3, dst0, dst1, dst2, dst3;
+  v8i16 src_wt, dst_wt, res_h_r, res_h_l, src_r, src_l, dst_r, dst_l;
+
+  src_wt = __msa_fill_h(src_weight);
+  dst_wt = __msa_fill_h(dst_weight);
+
+  for (row = 4; row--;) {
+    LD_SB4(src_ptr, src_stride, src0, src1, src2, src3);
+    src_ptr += (4 * src_stride);
+    LD_SB4(dst_ptr, dst_stride, dst0, dst1, dst2, dst3);
+
+    UNPCK_UB_SH(src0, src_r, src_l);
+    UNPCK_UB_SH(dst0, dst_r, dst_l);
+    res_h_r = (src_r * src_wt);
+    res_h_r += (dst_r * dst_wt);
+    res_h_l = (src_l * src_wt);
+    res_h_l += (dst_l * dst_wt);
+    SRARI_H2_SH(res_h_r, res_h_l, MFQE_PRECISION);
+    PCKEV_ST_SB(res_h_r, res_h_l, dst_ptr);
+    dst_ptr += dst_stride;
+
+    UNPCK_UB_SH(src1, src_r, src_l);
+    UNPCK_UB_SH(dst1, dst_r, dst_l);
+    res_h_r = (src_r * src_wt);
+    res_h_r += (dst_r * dst_wt);
+    res_h_l = (src_l * src_wt);
+    res_h_l += (dst_l * dst_wt);
+    SRARI_H2_SH(res_h_r, res_h_l, MFQE_PRECISION);
+    PCKEV_ST_SB(res_h_r, res_h_l, dst_ptr);
+    dst_ptr += dst_stride;
+
+    UNPCK_UB_SH(src2, src_r, src_l);
+    UNPCK_UB_SH(dst2, dst_r, dst_l);
+    res_h_r = (src_r * src_wt);
+    res_h_r += (dst_r * dst_wt);
+    res_h_l = (src_l * src_wt);
+    res_h_l += (dst_l * dst_wt);
+    SRARI_H2_SH(res_h_r, res_h_l, MFQE_PRECISION);
+    PCKEV_ST_SB(res_h_r, res_h_l, dst_ptr);
+    dst_ptr += dst_stride;
+
+    UNPCK_UB_SH(src3, src_r, src_l);
+    UNPCK_UB_SH(dst3, dst_r, dst_l);
+    res_h_r = (src_r * src_wt);
+    res_h_r += (dst_r * dst_wt);
+    res_h_l = (src_l * src_wt);
+    res_h_l += (dst_l * dst_wt);
+    SRARI_H2_SH(res_h_r, res_h_l, MFQE_PRECISION);
+    PCKEV_ST_SB(res_h_r, res_h_l, dst_ptr);
+    dst_ptr += dst_stride;
+  }
+}
+
+void vp9_filter_by_weight8x8_msa(const uint8_t *src, int src_stride,
+                                 uint8_t *dst, int dst_stride,
+                                 int src_weight) {
+  filter_by_weight8x8_msa(src, src_stride, dst, dst_stride, src_weight);
+}
+
+void vp9_filter_by_weight16x16_msa(const uint8_t *src, int src_stride,
+                                   uint8_t *dst, int dst_stride,
+                                   int src_weight) {
+  filter_by_weight16x16_msa(src, src_stride, dst, dst_stride, src_weight);
+}