ref: 59b7f2f36f534ec53caba6ee049bfafca02511c6
dir: /vp9/common/x86/vp9_idct_intrin_sse2.c/
/* * Copyright (c) 2012 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 "vpx_dsp/x86/inv_txfm_sse2.h" void vp9_iht4x4_16_add_sse2(const tran_low_t *input, uint8_t *dest, int stride, int tx_type) { __m128i in[2]; const __m128i eight = _mm_set1_epi16(8); in[0] = load_input_data8(input); in[1] = load_input_data8(input + 8); switch (tx_type) { case DCT_DCT: idct4_sse2(in); idct4_sse2(in); break; case ADST_DCT: idct4_sse2(in); iadst4_sse2(in); break; case DCT_ADST: iadst4_sse2(in); idct4_sse2(in); break; default: assert(tx_type == ADST_ADST); iadst4_sse2(in); iadst4_sse2(in); break; } // Final round and shift in[0] = _mm_add_epi16(in[0], eight); in[1] = _mm_add_epi16(in[1], eight); in[0] = _mm_srai_epi16(in[0], 4); in[1] = _mm_srai_epi16(in[1], 4); recon_and_store4x4_sse2(in, dest, stride); } void vp9_iht8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest, int stride, int tx_type) { __m128i in[8]; const __m128i final_rounding = _mm_set1_epi16(1 << 4); // load input data in[0] = load_input_data8(input); in[1] = load_input_data8(input + 8 * 1); in[2] = load_input_data8(input + 8 * 2); in[3] = load_input_data8(input + 8 * 3); in[4] = load_input_data8(input + 8 * 4); in[5] = load_input_data8(input + 8 * 5); in[6] = load_input_data8(input + 8 * 6); in[7] = load_input_data8(input + 8 * 7); switch (tx_type) { case DCT_DCT: vpx_idct8_sse2(in); vpx_idct8_sse2(in); break; case ADST_DCT: vpx_idct8_sse2(in); iadst8_sse2(in); break; case DCT_ADST: iadst8_sse2(in); vpx_idct8_sse2(in); break; default: assert(tx_type == ADST_ADST); iadst8_sse2(in); iadst8_sse2(in); break; } // Final rounding and shift in[0] = _mm_adds_epi16(in[0], final_rounding); in[1] = _mm_adds_epi16(in[1], final_rounding); in[2] = _mm_adds_epi16(in[2], final_rounding); in[3] = _mm_adds_epi16(in[3], final_rounding); in[4] = _mm_adds_epi16(in[4], final_rounding); in[5] = _mm_adds_epi16(in[5], final_rounding); in[6] = _mm_adds_epi16(in[6], final_rounding); in[7] = _mm_adds_epi16(in[7], final_rounding); in[0] = _mm_srai_epi16(in[0], 5); in[1] = _mm_srai_epi16(in[1], 5); in[2] = _mm_srai_epi16(in[2], 5); in[3] = _mm_srai_epi16(in[3], 5); in[4] = _mm_srai_epi16(in[4], 5); in[5] = _mm_srai_epi16(in[5], 5); in[6] = _mm_srai_epi16(in[6], 5); in[7] = _mm_srai_epi16(in[7], 5); recon_and_store(dest + 0 * stride, in[0]); recon_and_store(dest + 1 * stride, in[1]); recon_and_store(dest + 2 * stride, in[2]); recon_and_store(dest + 3 * stride, in[3]); recon_and_store(dest + 4 * stride, in[4]); recon_and_store(dest + 5 * stride, in[5]); recon_and_store(dest + 6 * stride, in[6]); recon_and_store(dest + 7 * stride, in[7]); } static INLINE void load_buffer_8x16(const tran_low_t *const input, __m128i *const in) { in[0] = load_input_data8(input + 0 * 16); in[1] = load_input_data8(input + 1 * 16); in[2] = load_input_data8(input + 2 * 16); in[3] = load_input_data8(input + 3 * 16); in[4] = load_input_data8(input + 4 * 16); in[5] = load_input_data8(input + 5 * 16); in[6] = load_input_data8(input + 6 * 16); in[7] = load_input_data8(input + 7 * 16); in[8] = load_input_data8(input + 8 * 16); in[9] = load_input_data8(input + 9 * 16); in[10] = load_input_data8(input + 10 * 16); in[11] = load_input_data8(input + 11 * 16); in[12] = load_input_data8(input + 12 * 16); in[13] = load_input_data8(input + 13 * 16); in[14] = load_input_data8(input + 14 * 16); in[15] = load_input_data8(input + 15 * 16); } static INLINE void write_buffer_8x16(uint8_t *const dest, __m128i *const in, const int stride) { const __m128i final_rounding = _mm_set1_epi16(1 << 5); // Final rounding and shift in[0] = _mm_adds_epi16(in[0], final_rounding); in[1] = _mm_adds_epi16(in[1], final_rounding); in[2] = _mm_adds_epi16(in[2], final_rounding); in[3] = _mm_adds_epi16(in[3], final_rounding); in[4] = _mm_adds_epi16(in[4], final_rounding); in[5] = _mm_adds_epi16(in[5], final_rounding); in[6] = _mm_adds_epi16(in[6], final_rounding); in[7] = _mm_adds_epi16(in[7], final_rounding); in[8] = _mm_adds_epi16(in[8], final_rounding); in[9] = _mm_adds_epi16(in[9], final_rounding); in[10] = _mm_adds_epi16(in[10], final_rounding); in[11] = _mm_adds_epi16(in[11], final_rounding); in[12] = _mm_adds_epi16(in[12], final_rounding); in[13] = _mm_adds_epi16(in[13], final_rounding); in[14] = _mm_adds_epi16(in[14], final_rounding); in[15] = _mm_adds_epi16(in[15], final_rounding); in[0] = _mm_srai_epi16(in[0], 6); in[1] = _mm_srai_epi16(in[1], 6); in[2] = _mm_srai_epi16(in[2], 6); in[3] = _mm_srai_epi16(in[3], 6); in[4] = _mm_srai_epi16(in[4], 6); in[5] = _mm_srai_epi16(in[5], 6); in[6] = _mm_srai_epi16(in[6], 6); in[7] = _mm_srai_epi16(in[7], 6); in[8] = _mm_srai_epi16(in[8], 6); in[9] = _mm_srai_epi16(in[9], 6); in[10] = _mm_srai_epi16(in[10], 6); in[11] = _mm_srai_epi16(in[11], 6); in[12] = _mm_srai_epi16(in[12], 6); in[13] = _mm_srai_epi16(in[13], 6); in[14] = _mm_srai_epi16(in[14], 6); in[15] = _mm_srai_epi16(in[15], 6); recon_and_store(dest + 0 * stride, in[0]); recon_and_store(dest + 1 * stride, in[1]); recon_and_store(dest + 2 * stride, in[2]); recon_and_store(dest + 3 * stride, in[3]); recon_and_store(dest + 4 * stride, in[4]); recon_and_store(dest + 5 * stride, in[5]); recon_and_store(dest + 6 * stride, in[6]); recon_and_store(dest + 7 * stride, in[7]); recon_and_store(dest + 8 * stride, in[8]); recon_and_store(dest + 9 * stride, in[9]); recon_and_store(dest + 10 * stride, in[10]); recon_and_store(dest + 11 * stride, in[11]); recon_and_store(dest + 12 * stride, in[12]); recon_and_store(dest + 13 * stride, in[13]); recon_and_store(dest + 14 * stride, in[14]); recon_and_store(dest + 15 * stride, in[15]); } void vp9_iht16x16_256_add_sse2(const tran_low_t *input, uint8_t *dest, int stride, int tx_type) { __m128i in0[16], in1[16]; load_buffer_8x16(input, in0); input += 8; load_buffer_8x16(input, in1); switch (tx_type) { case DCT_DCT: idct16_sse2(in0, in1); idct16_sse2(in0, in1); break; case ADST_DCT: idct16_sse2(in0, in1); iadst16_sse2(in0, in1); break; case DCT_ADST: iadst16_sse2(in0, in1); idct16_sse2(in0, in1); break; default: assert(tx_type == ADST_ADST); iadst16_sse2(in0, in1); iadst16_sse2(in0, in1); break; } write_buffer_8x16(dest, in0, stride); dest += 8; write_buffer_8x16(dest, in1, stride); }