1 files changed, 116 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/common/ppc/vp9_idct_vsx.c b/media/libvpx/libvpx/vp9/common/ppc/vp9_idct_vsx.c
new file mode 100644
index 0000000000..e861596ad4
--- /dev/null
+++ b/media/libvpx/libvpx/vp9/common/ppc/vp9_idct_vsx.c
@@ -0,0 +1,116 @@
+/*
+ *  Copyright (c) 2018 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 <assert.h>
+
+#include "./vp9_rtcd.h"
+#include "vpx_dsp/vpx_dsp_common.h"
+#include "vpx_dsp/ppc/inv_txfm_vsx.h"
+#include "vpx_dsp/ppc/bitdepth_conversion_vsx.h"
+
+#include "vp9/common/vp9_enums.h"
+
+void vp9_iht4x4_16_add_vsx(const tran_low_t *input, uint8_t *dest, int stride,
+                           int tx_type) {
+  int16x8_t in[2], out[2];
+
+  in[0] = load_tran_low(0, input);
+  in[1] = load_tran_low(8 * sizeof(*input), input);
+
+  switch (tx_type) {
+    case DCT_DCT:
+      vpx_idct4_vsx(in, out);
+      vpx_idct4_vsx(out, in);
+      break;
+    case ADST_DCT:
+      vpx_idct4_vsx(in, out);
+      vp9_iadst4_vsx(out, in);
+      break;
+    case DCT_ADST:
+      vp9_iadst4_vsx(in, out);
+      vpx_idct4_vsx(out, in);
+      break;
+    default:
+      assert(tx_type == ADST_ADST);
+      vp9_iadst4_vsx(in, out);
+      vp9_iadst4_vsx(out, in);
+      break;
+  }
+
+  vpx_round_store4x4_vsx(in, out, dest, stride);
+}
+
+void vp9_iht8x8_64_add_vsx(const tran_low_t *input, uint8_t *dest, int stride,
+                           int tx_type) {
+  int16x8_t in[8], out[8];
+
+  // load input data
+  in[0] = load_tran_low(0, input);
+  in[1] = load_tran_low(8 * sizeof(*input), input);
+  in[2] = load_tran_low(2 * 8 * sizeof(*input), input);
+  in[3] = load_tran_low(3 * 8 * sizeof(*input), input);
+  in[4] = load_tran_low(4 * 8 * sizeof(*input), input);
+  in[5] = load_tran_low(5 * 8 * sizeof(*input), input);
+  in[6] = load_tran_low(6 * 8 * sizeof(*input), input);
+  in[7] = load_tran_low(7 * 8 * sizeof(*input), input);
+
+  switch (tx_type) {
+    case DCT_DCT:
+      vpx_idct8_vsx(in, out);
+      vpx_idct8_vsx(out, in);
+      break;
+    case ADST_DCT:
+      vpx_idct8_vsx(in, out);
+      vp9_iadst8_vsx(out, in);
+      break;
+    case DCT_ADST:
+      vp9_iadst8_vsx(in, out);
+      vpx_idct8_vsx(out, in);
+      break;
+    default:
+      assert(tx_type == ADST_ADST);
+      vp9_iadst8_vsx(in, out);
+      vp9_iadst8_vsx(out, in);
+      break;
+  }
+
+  vpx_round_store8x8_vsx(in, dest, stride);
+}
+
+void vp9_iht16x16_256_add_vsx(const tran_low_t *input, uint8_t *dest,
+                              int stride, int tx_type) {
+  int16x8_t in0[16], in1[16];
+
+  LOAD_INPUT16(load_tran_low, input, 0, 8 * sizeof(*input), in0);
+  LOAD_INPUT16(load_tran_low, input, 8 * 8 * 2 * sizeof(*input),
+               8 * sizeof(*input), in1);
+
+  switch (tx_type) {
+    case DCT_DCT:
+      vpx_idct16_vsx(in0, in1);
+      vpx_idct16_vsx(in0, in1);
+      break;
+    case ADST_DCT:
+      vpx_idct16_vsx(in0, in1);
+      vpx_iadst16_vsx(in0, in1);
+      break;
+    case DCT_ADST:
+      vpx_iadst16_vsx(in0, in1);
+      vpx_idct16_vsx(in0, in1);
+      break;
+    default:
+      assert(tx_type == ADST_ADST);
+      vpx_iadst16_vsx(in0, in1);
+      vpx_iadst16_vsx(in0, in1);
+      break;
+  }
+
+  vpx_round_store16x16_vsx(in0, in1, dest, stride);
+}