ref: d7f1d60c51b47f6d22be919362caad09469a058b
dir: /vpx_dsp/x86/inv_txfm_sse2.h/
/* * 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. */ #ifndef VPX_DSP_X86_INV_TXFM_SSE2_H_ #define VPX_DSP_X86_INV_TXFM_SSE2_H_ #include <emmintrin.h> // SSE2 #include "./vpx_config.h" #include "vpx/vpx_integer.h" #include "vpx_dsp/inv_txfm.h" #include "vpx_dsp/x86/txfm_common_sse2.h" // perform 8x8 transpose static INLINE void array_transpose_8x8(__m128i *in, __m128i *res) { const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]); const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]); const __m128i tr0_2 = _mm_unpackhi_epi16(in[0], in[1]); const __m128i tr0_3 = _mm_unpackhi_epi16(in[2], in[3]); const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]); const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]); const __m128i tr0_6 = _mm_unpackhi_epi16(in[4], in[5]); const __m128i tr0_7 = _mm_unpackhi_epi16(in[6], in[7]); const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_4, tr0_5); const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_4, tr0_5); const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_2, tr0_3); const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_2, tr0_3); const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); res[0] = _mm_unpacklo_epi64(tr1_0, tr1_1); res[1] = _mm_unpackhi_epi64(tr1_0, tr1_1); res[2] = _mm_unpacklo_epi64(tr1_2, tr1_3); res[3] = _mm_unpackhi_epi64(tr1_2, tr1_3); res[4] = _mm_unpacklo_epi64(tr1_4, tr1_5); res[5] = _mm_unpackhi_epi64(tr1_4, tr1_5); res[6] = _mm_unpacklo_epi64(tr1_6, tr1_7); res[7] = _mm_unpackhi_epi64(tr1_6, tr1_7); } #define TRANSPOSE_8X4(in0, in1, in2, in3, out0, out1) \ { \ const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \ const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \ \ in0 = _mm_unpacklo_epi32(tr0_0, tr0_1); /* i1 i0 */ \ in1 = _mm_unpackhi_epi32(tr0_0, tr0_1); /* i3 i2 */ \ } static INLINE void array_transpose_4X8(__m128i *in, __m128i *out) { const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]); const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]); const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]); const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]); const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); out[0] = _mm_unpacklo_epi64(tr1_0, tr1_4); out[1] = _mm_unpackhi_epi64(tr1_0, tr1_4); out[2] = _mm_unpacklo_epi64(tr1_2, tr1_6); out[3] = _mm_unpackhi_epi64(tr1_2, tr1_6); } static INLINE void array_transpose_16x16(__m128i *res0, __m128i *res1) { __m128i tbuf[8]; array_transpose_8x8(res0, res0); array_transpose_8x8(res1, tbuf); array_transpose_8x8(res0 + 8, res1); array_transpose_8x8(res1 + 8, res1 + 8); res0[8] = tbuf[0]; res0[9] = tbuf[1]; res0[10] = tbuf[2]; res0[11] = tbuf[3]; res0[12] = tbuf[4]; res0[13] = tbuf[5]; res0[14] = tbuf[6]; res0[15] = tbuf[7]; } // Function to allow 8 bit optimisations to be used when profile 0 is used with // highbitdepth enabled static INLINE __m128i load_input_data(const tran_low_t *data) { #if CONFIG_VP9_HIGHBITDEPTH return octa_set_epi16(data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7]); #else return _mm_load_si128((const __m128i *)data); #endif } static INLINE void load_buffer_8x16(const tran_low_t *input, __m128i *in) { in[0] = load_input_data(input + 0 * 16); in[1] = load_input_data(input + 1 * 16); in[2] = load_input_data(input + 2 * 16); in[3] = load_input_data(input + 3 * 16); in[4] = load_input_data(input + 4 * 16); in[5] = load_input_data(input + 5 * 16); in[6] = load_input_data(input + 6 * 16); in[7] = load_input_data(input + 7 * 16); in[8] = load_input_data(input + 8 * 16); in[9] = load_input_data(input + 9 * 16); in[10] = load_input_data(input + 10 * 16); in[11] = load_input_data(input + 11 * 16); in[12] = load_input_data(input + 12 * 16); in[13] = load_input_data(input + 13 * 16); in[14] = load_input_data(input + 14 * 16); in[15] = load_input_data(input + 15 * 16); } #define RECON_AND_STORE(dest, in_x) \ { \ __m128i d0 = _mm_loadl_epi64((__m128i *)(dest)); \ d0 = _mm_unpacklo_epi8(d0, zero); \ d0 = _mm_add_epi16(in_x, d0); \ d0 = _mm_packus_epi16(d0, d0); \ _mm_storel_epi64((__m128i *)(dest), d0); \ } static INLINE void write_buffer_8x16(uint8_t *dest, __m128i *in, int stride) { const __m128i final_rounding = _mm_set1_epi16(1 << 5); const __m128i zero = _mm_setzero_si128(); // 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 idct4_sse2(__m128i *in); void idct8_sse2(__m128i *in); void idct16_sse2(__m128i *in0, __m128i *in1); void iadst4_sse2(__m128i *in); void iadst8_sse2(__m128i *in); void iadst16_sse2(__m128i *in0, __m128i *in1); #endif // VPX_DSP_X86_INV_TXFM_SSE2_H_