chromium/third_party/libjpeg_turbo/simd/x86_64/jsimd.c

/*
 * jsimd_x86_64.c
 *
 * Copyright 2009 Pierre Ossman <[email protected]> for Cendio AB
 * Copyright (C) 2009-2011, 2014, 2016, 2018, 2022-2023, D. R. Commander.
 * Copyright (C) 2015-2016, 2018, 2022, Matthieu Darbois.
 *
 * Based on the x86 SIMD extension for IJG JPEG library,
 * Copyright (C) 1999-2006, MIYASAKA Masaru.
 * For conditions of distribution and use, see copyright notice in jsimdext.inc
 *
 * This file contains the interface between the "normal" portions
 * of the library and the SIMD implementations when running on a
 * 64-bit x86 architecture.
 */

#define JPEG_INTERNALS
#include "../../jinclude.h"
#include "../../jpeglib.h"
#include "../../jsimd.h"
#include "../../jdct.h"
#include "../../jsimddct.h"
#include "../jsimd.h"

/*
 * In the PIC cases, we have no guarantee that constants will keep
 * their alignment. This macro allows us to verify it at runtime.
 */
#define IS_ALIGNED(ptr, order) …

#define IS_ALIGNED_SSE(ptr) …
#define IS_ALIGNED_AVX(ptr) …

static THREAD_LOCAL unsigned int simd_support = …;
static THREAD_LOCAL unsigned int simd_huffman = …;

/*
 * Check what SIMD accelerations are supported.
 */
LOCAL(void)
init_simd(void)
{ … }

GLOBAL(int)
jsimd_can_rgb_ycc(void)
{ … }

GLOBAL(int)
jsimd_can_rgb_gray(void)
{ … }

GLOBAL(int)
jsimd_can_ycc_rgb(void)
{ … }

GLOBAL(int)
jsimd_can_ycc_rgb565(void)
{ … }

GLOBAL(void)
jsimd_rgb_ycc_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf,
                      JSAMPIMAGE output_buf, JDIMENSION output_row,
                      int num_rows)
{ … }

GLOBAL(void)
jsimd_rgb_gray_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf,
                       JSAMPIMAGE output_buf, JDIMENSION output_row,
                       int num_rows)
{ … }

GLOBAL(void)
jsimd_ycc_rgb_convert(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                      JDIMENSION input_row, JSAMPARRAY output_buf,
                      int num_rows)
{ … }

GLOBAL(void)
jsimd_ycc_rgb565_convert(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                         JDIMENSION input_row, JSAMPARRAY output_buf,
                         int num_rows)
{ … }

GLOBAL(int)
jsimd_can_h2v2_downsample(void)
{ … }

GLOBAL(int)
jsimd_can_h2v1_downsample(void)
{ … }

GLOBAL(void)
jsimd_h2v2_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
                      JSAMPARRAY input_data, JSAMPARRAY output_data)
{ … }

GLOBAL(void)
jsimd_h2v1_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
                      JSAMPARRAY input_data, JSAMPARRAY output_data)
{ … }

GLOBAL(int)
jsimd_can_h2v2_upsample(void)
{ … }

GLOBAL(int)
jsimd_can_h2v1_upsample(void)
{ … }

GLOBAL(void)
jsimd_h2v2_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
                    JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
{ … }

GLOBAL(void)
jsimd_h2v1_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
                    JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
{ … }

GLOBAL(int)
jsimd_can_h2v2_fancy_upsample(void)
{ … }

GLOBAL(int)
jsimd_can_h2v1_fancy_upsample(void)
{ … }

GLOBAL(void)
jsimd_h2v2_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
                          JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
{ … }

GLOBAL(void)
jsimd_h2v1_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
                          JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
{ … }

GLOBAL(int)
jsimd_can_h2v2_merged_upsample(void)
{ … }

GLOBAL(int)
jsimd_can_h2v1_merged_upsample(void)
{ … }

GLOBAL(void)
jsimd_h2v2_merged_upsample(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                           JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)
{ … }

GLOBAL(void)
jsimd_h2v1_merged_upsample(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                           JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)
{ … }

GLOBAL(int)
jsimd_can_convsamp(void)
{ … }

GLOBAL(int)
jsimd_can_convsamp_float(void)
{ … }

GLOBAL(void)
jsimd_convsamp(JSAMPARRAY sample_data, JDIMENSION start_col,
               DCTELEM *workspace)
{ … }

GLOBAL(void)
jsimd_convsamp_float(JSAMPARRAY sample_data, JDIMENSION start_col,
                     FAST_FLOAT *workspace)
{ … }

GLOBAL(int)
jsimd_can_fdct_islow(void)
{ … }

GLOBAL(int)
jsimd_can_fdct_ifast(void)
{ … }

GLOBAL(int)
jsimd_can_fdct_float(void)
{ … }

GLOBAL(void)
jsimd_fdct_islow(DCTELEM *data)
{ … }

GLOBAL(void)
jsimd_fdct_ifast(DCTELEM *data)
{ … }

GLOBAL(void)
jsimd_fdct_float(FAST_FLOAT *data)
{ … }

GLOBAL(int)
jsimd_can_quantize(void)
{ … }

GLOBAL(int)
jsimd_can_quantize_float(void)
{ … }

GLOBAL(void)
jsimd_quantize(JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace)
{ … }

GLOBAL(void)
jsimd_quantize_float(JCOEFPTR coef_block, FAST_FLOAT *divisors,
                     FAST_FLOAT *workspace)
{ … }

GLOBAL(int)
jsimd_can_idct_2x2(void)
{ … }

GLOBAL(int)
jsimd_can_idct_4x4(void)
{ … }

GLOBAL(void)
jsimd_idct_2x2(j_decompress_ptr cinfo, jpeg_component_info *compptr,
               JCOEFPTR coef_block, JSAMPARRAY output_buf,
               JDIMENSION output_col)
{ … }

GLOBAL(void)
jsimd_idct_4x4(j_decompress_ptr cinfo, jpeg_component_info *compptr,
               JCOEFPTR coef_block, JSAMPARRAY output_buf,
               JDIMENSION output_col)
{ … }

GLOBAL(int)
jsimd_can_idct_islow(void)
{ … }

GLOBAL(int)
jsimd_can_idct_ifast(void)
{ … }

GLOBAL(int)
jsimd_can_idct_float(void)
{ … }

GLOBAL(void)
jsimd_idct_islow(j_decompress_ptr cinfo, jpeg_component_info *compptr,
                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
                 JDIMENSION output_col)
{ … }

GLOBAL(void)
jsimd_idct_ifast(j_decompress_ptr cinfo, jpeg_component_info *compptr,
                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
                 JDIMENSION output_col)
{ … }

GLOBAL(void)
jsimd_idct_float(j_decompress_ptr cinfo, jpeg_component_info *compptr,
                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
                 JDIMENSION output_col)
{ … }

GLOBAL(int)
jsimd_can_huff_encode_one_block(void)
{ … }

GLOBAL(JOCTET *)
jsimd_huff_encode_one_block(void *state, JOCTET *buffer, JCOEFPTR block,
                            int last_dc_val, c_derived_tbl *dctbl,
                            c_derived_tbl *actbl)
{ … }

GLOBAL(int)
jsimd_can_encode_mcu_AC_first_prepare(void)
{ … }

GLOBAL(void)
jsimd_encode_mcu_AC_first_prepare(const JCOEF *block,
                                  const int *jpeg_natural_order_start, int Sl,
                                  int Al, UJCOEF *values, size_t *zerobits)
{ … }

GLOBAL(int)
jsimd_can_encode_mcu_AC_refine_prepare(void)
{ … }

GLOBAL(int)
jsimd_encode_mcu_AC_refine_prepare(const JCOEF *block,
                                   const int *jpeg_natural_order_start, int Sl,
                                   int Al, UJCOEF *absvalues, size_t *bits)
{ … }