1 /* 2 * Copyright (c) 2015 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include <assert.h> 12 13 #include "vp9/common/vp9_enums.h" 14 #include "vpx_dsp/mips/inv_txfm_msa.h" 15 16 void vp9_iht8x8_64_add_msa(const int16_t *input, uint8_t *dst, 17 int32_t dst_stride, int32_t tx_type) { 18 v8i16 in0, in1, in2, in3, in4, in5, in6, in7; 19 20 /* load vector elements of 8x8 block */ 21 LD_SH8(input, 8, in0, in1, in2, in3, in4, in5, in6, in7); 22 23 TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, 24 in4, in5, in6, in7); 25 26 switch (tx_type) { 27 case DCT_DCT: 28 /* DCT in horizontal */ 29 VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, 30 in4, in5, in6, in7); 31 /* DCT in vertical */ 32 TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, 33 in3, in4, in5, in6, in7); 34 VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, 35 in4, in5, in6, in7); 36 break; 37 case ADST_DCT: 38 /* DCT in horizontal */ 39 VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, 40 in4, in5, in6, in7); 41 /* ADST in vertical */ 42 TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, 43 in3, in4, in5, in6, in7); 44 VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, 45 in5, in6, in7); 46 break; 47 case DCT_ADST: 48 /* ADST in horizontal */ 49 VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, 50 in5, in6, in7); 51 /* DCT in vertical */ 52 TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, 53 in3, in4, in5, in6, in7); 54 VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, 55 in4, in5, in6, in7); 56 break; 57 case ADST_ADST: 58 /* ADST in horizontal */ 59 VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, 60 in5, in6, in7); 61 /* ADST in vertical */ 62 TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, 63 in3, in4, in5, in6, in7); 64 VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, 65 in5, in6, in7); 66 break; 67 default: assert(0); break; 68 } 69 70 /* final rounding (add 2^4, divide by 2^5) and shift */ 71 SRARI_H4_SH(in0, in1, in2, in3, 5); 72 SRARI_H4_SH(in4, in5, in6, in7, 5); 73 74 /* add block and store 8x8 */ 75 VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in0, in1, in2, in3); 76 dst += (4 * dst_stride); 77 VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in4, in5, in6, in7); 78 } 79
