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/*
* 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);
}
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