1148 lines
26 KiB
C
1148 lines
26 KiB
C
/*
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* jsimd_mips.c
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*
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* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
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* Copyright (C) 2009-2011, 2014, 2016, 2018, 2020, D. R. Commander.
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* Copyright (C) 2013-2014, MIPS Technologies, Inc., California.
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* Copyright (C) 2015-2016, 2018, Matthieu Darbois.
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*
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* Based on the x86 SIMD extension for IJG JPEG library,
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* Copyright (C) 1999-2006, MIYASAKA Masaru.
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* For conditions of distribution and use, see copyright notice in jsimdext.inc
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*
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* This file contains the interface between the "normal" portions
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* of the library and the SIMD implementations when running on a
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* MIPS architecture.
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*/
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#define JPEG_INTERNALS
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#include "../../jinclude.h"
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#include "../../jpeglib.h"
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#include "../../jsimd.h"
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#include "../../jdct.h"
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#include "../../jsimddct.h"
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#include "../jsimd.h"
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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static unsigned int simd_support = ~0;
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#if !(defined(__mips_dsp) && (__mips_dsp_rev >= 2)) && defined(__linux__)
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LOCAL(void)
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parse_proc_cpuinfo(const char *search_string)
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{
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const char *file_name = "/proc/cpuinfo";
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char cpuinfo_line[256];
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FILE *f = NULL;
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simd_support = 0;
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if ((f = fopen(file_name, "r")) != NULL) {
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while (fgets(cpuinfo_line, sizeof(cpuinfo_line), f) != NULL) {
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if (strstr(cpuinfo_line, search_string) != NULL) {
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fclose(f);
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simd_support |= JSIMD_DSPR2;
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return;
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}
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}
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fclose(f);
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}
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/* Did not find string in the proc file, or not Linux ELF. */
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}
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#endif
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/*
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* Check what SIMD accelerations are supported.
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*
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* FIXME: This code is racy under a multi-threaded environment.
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*/
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LOCAL(void)
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init_simd(void)
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{
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#ifndef NO_GETENV
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char *env = NULL;
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#endif
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if (simd_support != ~0U)
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return;
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simd_support = 0;
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#if defined(__mips_dsp) && (__mips_dsp_rev >= 2)
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simd_support |= JSIMD_DSPR2;
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#elif defined(__linux__)
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/* We still have a chance to use MIPS DSPR2 regardless of globally used
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* -mdspr2 options passed to gcc by performing runtime detection via
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* /proc/cpuinfo parsing on linux */
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parse_proc_cpuinfo("MIPS 74K");
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#endif
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#ifndef NO_GETENV
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/* Force different settings through environment variables */
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env = getenv("JSIMD_FORCEDSPR2");
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if ((env != NULL) && (strcmp(env, "1") == 0))
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simd_support = JSIMD_DSPR2;
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env = getenv("JSIMD_FORCENONE");
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if ((env != NULL) && (strcmp(env, "1") == 0))
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simd_support = 0;
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#endif
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}
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static const int mips_idct_ifast_coefs[4] = {
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0x45404540, /* FIX( 1.082392200 / 2) = 17734 = 0x4546 */
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0x5A805A80, /* FIX( 1.414213562 / 2) = 23170 = 0x5A82 */
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0x76407640, /* FIX( 1.847759065 / 2) = 30274 = 0x7642 */
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0xAC60AC60 /* FIX(-2.613125930 / 4) = -21407 = 0xAC61 */
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};
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/* The following struct is borrowed from jdsample.c */
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typedef void (*upsample1_ptr) (j_decompress_ptr cinfo,
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jpeg_component_info *compptr,
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JSAMPARRAY input_data,
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JSAMPARRAY *output_data_ptr);
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typedef struct {
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struct jpeg_upsampler pub;
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JSAMPARRAY color_buf[MAX_COMPONENTS];
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upsample1_ptr methods[MAX_COMPONENTS];
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int next_row_out;
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JDIMENSION rows_to_go;
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int rowgroup_height[MAX_COMPONENTS];
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UINT8 h_expand[MAX_COMPONENTS];
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UINT8 v_expand[MAX_COMPONENTS];
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} my_upsampler;
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typedef my_upsampler *my_upsample_ptr;
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GLOBAL(int)
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jsimd_can_rgb_ycc(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4))
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return 0;
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if (simd_support & JSIMD_DSPR2)
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return 1;
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return 0;
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}
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GLOBAL(int)
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jsimd_can_rgb_gray(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4))
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return 0;
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if (simd_support & JSIMD_DSPR2)
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return 1;
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return 0;
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}
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GLOBAL(int)
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jsimd_can_ycc_rgb(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4))
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return 0;
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if (simd_support & JSIMD_DSPR2)
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return 1;
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return 0;
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}
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GLOBAL(int)
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jsimd_can_ycc_rgb565(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_c_can_null_convert(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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if (simd_support & JSIMD_DSPR2)
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return 1;
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return 0;
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}
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GLOBAL(void)
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jsimd_rgb_ycc_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf,
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JSAMPIMAGE output_buf, JDIMENSION output_row,
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int num_rows)
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{
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void (*dspr2fct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
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switch (cinfo->in_color_space) {
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case JCS_EXT_RGB:
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dspr2fct = jsimd_extrgb_ycc_convert_dspr2;
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break;
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case JCS_EXT_RGBX:
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case JCS_EXT_RGBA:
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dspr2fct = jsimd_extrgbx_ycc_convert_dspr2;
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break;
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case JCS_EXT_BGR:
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dspr2fct = jsimd_extbgr_ycc_convert_dspr2;
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break;
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case JCS_EXT_BGRX:
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case JCS_EXT_BGRA:
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dspr2fct = jsimd_extbgrx_ycc_convert_dspr2;
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break;
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case JCS_EXT_XBGR:
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case JCS_EXT_ABGR:
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dspr2fct = jsimd_extxbgr_ycc_convert_dspr2;
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break;
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case JCS_EXT_XRGB:
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case JCS_EXT_ARGB:
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dspr2fct = jsimd_extxrgb_ycc_convert_dspr2;
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break;
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default:
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dspr2fct = jsimd_extrgb_ycc_convert_dspr2;
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break;
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}
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dspr2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows);
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}
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GLOBAL(void)
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jsimd_rgb_gray_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf,
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JSAMPIMAGE output_buf, JDIMENSION output_row,
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int num_rows)
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{
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void (*dspr2fct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
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switch (cinfo->in_color_space) {
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case JCS_EXT_RGB:
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dspr2fct = jsimd_extrgb_gray_convert_dspr2;
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break;
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case JCS_EXT_RGBX:
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case JCS_EXT_RGBA:
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dspr2fct = jsimd_extrgbx_gray_convert_dspr2;
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break;
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case JCS_EXT_BGR:
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dspr2fct = jsimd_extbgr_gray_convert_dspr2;
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break;
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case JCS_EXT_BGRX:
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case JCS_EXT_BGRA:
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dspr2fct = jsimd_extbgrx_gray_convert_dspr2;
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break;
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case JCS_EXT_XBGR:
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case JCS_EXT_ABGR:
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dspr2fct = jsimd_extxbgr_gray_convert_dspr2;
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break;
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case JCS_EXT_XRGB:
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case JCS_EXT_ARGB:
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dspr2fct = jsimd_extxrgb_gray_convert_dspr2;
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break;
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default:
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dspr2fct = jsimd_extrgb_gray_convert_dspr2;
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break;
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}
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dspr2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows);
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}
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GLOBAL(void)
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jsimd_ycc_rgb_convert(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
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JDIMENSION input_row, JSAMPARRAY output_buf,
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int num_rows)
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{
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void (*dspr2fct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
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switch (cinfo->out_color_space) {
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case JCS_EXT_RGB:
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dspr2fct = jsimd_ycc_extrgb_convert_dspr2;
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break;
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case JCS_EXT_RGBX:
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case JCS_EXT_RGBA:
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dspr2fct = jsimd_ycc_extrgbx_convert_dspr2;
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break;
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case JCS_EXT_BGR:
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dspr2fct = jsimd_ycc_extbgr_convert_dspr2;
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break;
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case JCS_EXT_BGRX:
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case JCS_EXT_BGRA:
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dspr2fct = jsimd_ycc_extbgrx_convert_dspr2;
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break;
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case JCS_EXT_XBGR:
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case JCS_EXT_ABGR:
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dspr2fct = jsimd_ycc_extxbgr_convert_dspr2;
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break;
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case JCS_EXT_XRGB:
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case JCS_EXT_ARGB:
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dspr2fct = jsimd_ycc_extxrgb_convert_dspr2;
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break;
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default:
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dspr2fct = jsimd_ycc_extrgb_convert_dspr2;
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break;
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}
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dspr2fct(cinfo->output_width, input_buf, input_row, output_buf, num_rows);
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}
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GLOBAL(void)
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jsimd_ycc_rgb565_convert(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
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JDIMENSION input_row, JSAMPARRAY output_buf,
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int num_rows)
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{
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}
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GLOBAL(void)
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jsimd_c_null_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf,
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JSAMPIMAGE output_buf, JDIMENSION output_row,
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int num_rows)
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{
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jsimd_c_null_convert_dspr2(cinfo->image_width, input_buf, output_buf,
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output_row, num_rows, cinfo->num_components);
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}
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GLOBAL(int)
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jsimd_can_h2v2_downsample(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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/* FIXME: jsimd_h2v2_downsample_dspr2() fails some of the TJBench tiling
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* regression tests, probably because the DSPr2 SIMD implementation predates
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* those tests. */
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#if 0
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if (simd_support & JSIMD_DSPR2)
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return 1;
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#endif
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return 0;
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}
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GLOBAL(int)
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jsimd_can_h2v2_smooth_downsample(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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if (DCTSIZE != 8)
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return 0;
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if (simd_support & JSIMD_DSPR2)
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return 1;
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return 0;
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}
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GLOBAL(int)
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jsimd_can_h2v1_downsample(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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/* FIXME: jsimd_h2v1_downsample_dspr2() fails some of the TJBench tiling
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* regression tests, probably because the DSPr2 SIMD implementation predates
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* those tests. */
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#if 0
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if (simd_support & JSIMD_DSPR2)
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return 1;
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#endif
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return 0;
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}
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GLOBAL(void)
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jsimd_h2v2_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY output_data)
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{
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jsimd_h2v2_downsample_dspr2(cinfo->image_width, cinfo->max_v_samp_factor,
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compptr->v_samp_factor, compptr->width_in_blocks,
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input_data, output_data);
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}
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GLOBAL(void)
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jsimd_h2v2_smooth_downsample(j_compress_ptr cinfo,
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jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY output_data)
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{
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jsimd_h2v2_smooth_downsample_dspr2(input_data, output_data,
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compptr->v_samp_factor,
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cinfo->max_v_samp_factor,
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cinfo->smoothing_factor,
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compptr->width_in_blocks,
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cinfo->image_width);
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}
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GLOBAL(void)
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jsimd_h2v1_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY output_data)
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{
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jsimd_h2v1_downsample_dspr2(cinfo->image_width, cinfo->max_v_samp_factor,
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compptr->v_samp_factor, compptr->width_in_blocks,
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input_data, output_data);
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}
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GLOBAL(int)
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jsimd_can_h2v2_upsample(void)
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{
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init_simd();
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|
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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|
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if (simd_support & JSIMD_DSPR2)
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return 1;
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return 0;
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}
|
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GLOBAL(int)
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jsimd_can_h2v1_upsample(void)
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{
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init_simd();
|
|
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/* The code is optimised for these values only */
|
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if (BITS_IN_JSAMPLE != 8)
|
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
|
|
|
|
#if defined(__MIPSEL__)
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if (simd_support & JSIMD_DSPR2)
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return 1;
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#endif
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return 0;
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}
|
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GLOBAL(int)
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jsimd_can_int_upsample(void)
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{
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init_simd();
|
|
|
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/* The code is optimised for these values only */
|
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if (BITS_IN_JSAMPLE != 8)
|
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
|
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|
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if (simd_support & JSIMD_DSPR2)
|
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return 1;
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return 0;
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}
|
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GLOBAL(void)
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jsimd_h2v2_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
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{
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jsimd_h2v2_upsample_dspr2(cinfo->max_v_samp_factor, cinfo->output_width,
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input_data, output_data_ptr);
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}
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GLOBAL(void)
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jsimd_h2v1_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
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{
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jsimd_h2v1_upsample_dspr2(cinfo->max_v_samp_factor, cinfo->output_width,
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input_data, output_data_ptr);
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}
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|
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GLOBAL(void)
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jsimd_int_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
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{
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my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;
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jsimd_int_upsample_dspr2(upsample->h_expand[compptr->component_index],
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upsample->v_expand[compptr->component_index],
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input_data, output_data_ptr, cinfo->output_width,
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cinfo->max_v_samp_factor);
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}
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GLOBAL(int)
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jsimd_can_h2v2_fancy_upsample(void)
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{
|
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init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
|
|
#if defined(__MIPSEL__)
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_h2v1_fancy_upsample(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
|
|
#if defined(__MIPSEL__)
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_h2v2_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
|
|
JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
|
|
{
|
|
jsimd_h2v2_fancy_upsample_dspr2(cinfo->max_v_samp_factor,
|
|
compptr->downsampled_width, input_data,
|
|
output_data_ptr);
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_h2v1_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
|
|
JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
|
|
{
|
|
jsimd_h2v1_fancy_upsample_dspr2(cinfo->max_v_samp_factor,
|
|
compptr->downsampled_width, input_data,
|
|
output_data_ptr);
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_h2v2_merged_upsample(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_h2v1_merged_upsample(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_h2v2_merged_upsample(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
|
|
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)
|
|
{
|
|
void (*dspr2fct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, JSAMPLE *);
|
|
|
|
switch (cinfo->out_color_space) {
|
|
case JCS_EXT_RGB:
|
|
dspr2fct = jsimd_h2v2_extrgb_merged_upsample_dspr2;
|
|
break;
|
|
case JCS_EXT_RGBX:
|
|
case JCS_EXT_RGBA:
|
|
dspr2fct = jsimd_h2v2_extrgbx_merged_upsample_dspr2;
|
|
break;
|
|
case JCS_EXT_BGR:
|
|
dspr2fct = jsimd_h2v2_extbgr_merged_upsample_dspr2;
|
|
break;
|
|
case JCS_EXT_BGRX:
|
|
case JCS_EXT_BGRA:
|
|
dspr2fct = jsimd_h2v2_extbgrx_merged_upsample_dspr2;
|
|
break;
|
|
case JCS_EXT_XBGR:
|
|
case JCS_EXT_ABGR:
|
|
dspr2fct = jsimd_h2v2_extxbgr_merged_upsample_dspr2;
|
|
break;
|
|
case JCS_EXT_XRGB:
|
|
case JCS_EXT_ARGB:
|
|
dspr2fct = jsimd_h2v2_extxrgb_merged_upsample_dspr2;
|
|
break;
|
|
default:
|
|
dspr2fct = jsimd_h2v2_extrgb_merged_upsample_dspr2;
|
|
break;
|
|
}
|
|
|
|
dspr2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf,
|
|
cinfo->sample_range_limit);
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_h2v1_merged_upsample(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
|
|
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)
|
|
{
|
|
void (*dspr2fct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, JSAMPLE *);
|
|
|
|
switch (cinfo->out_color_space) {
|
|
case JCS_EXT_RGB:
|
|
dspr2fct = jsimd_h2v1_extrgb_merged_upsample_dspr2;
|
|
break;
|
|
case JCS_EXT_RGBX:
|
|
case JCS_EXT_RGBA:
|
|
dspr2fct = jsimd_h2v1_extrgbx_merged_upsample_dspr2;
|
|
break;
|
|
case JCS_EXT_BGR:
|
|
dspr2fct = jsimd_h2v1_extbgr_merged_upsample_dspr2;
|
|
break;
|
|
case JCS_EXT_BGRX:
|
|
case JCS_EXT_BGRA:
|
|
dspr2fct = jsimd_h2v1_extbgrx_merged_upsample_dspr2;
|
|
break;
|
|
case JCS_EXT_XBGR:
|
|
case JCS_EXT_ABGR:
|
|
dspr2fct = jsimd_h2v1_extxbgr_merged_upsample_dspr2;
|
|
break;
|
|
case JCS_EXT_XRGB:
|
|
case JCS_EXT_ARGB:
|
|
dspr2fct = jsimd_h2v1_extxrgb_merged_upsample_dspr2;
|
|
break;
|
|
default:
|
|
dspr2fct = jsimd_h2v1_extrgb_merged_upsample_dspr2;
|
|
break;
|
|
}
|
|
|
|
dspr2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf,
|
|
cinfo->sample_range_limit);
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_convsamp(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
if (sizeof(DCTELEM) != 2)
|
|
return 0;
|
|
|
|
#if defined(__MIPSEL__)
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_convsamp_float(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (sizeof(JCOEF) != 2)
|
|
return 0;
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
if (sizeof(ISLOW_MULT_TYPE) != 2)
|
|
return 0;
|
|
|
|
#ifndef __mips_soft_float
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_convsamp(JSAMPARRAY sample_data, JDIMENSION start_col,
|
|
DCTELEM *workspace)
|
|
{
|
|
jsimd_convsamp_dspr2(sample_data, start_col, workspace);
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_convsamp_float(JSAMPARRAY sample_data, JDIMENSION start_col,
|
|
FAST_FLOAT *workspace)
|
|
{
|
|
#ifndef __mips_soft_float
|
|
jsimd_convsamp_float_dspr2(sample_data, start_col, workspace);
|
|
#endif
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_fdct_islow(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (sizeof(DCTELEM) != 2)
|
|
return 0;
|
|
|
|
#if defined(__MIPSEL__)
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_fdct_ifast(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (sizeof(DCTELEM) != 2)
|
|
return 0;
|
|
|
|
#if defined(__MIPSEL__)
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_fdct_float(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_fdct_islow(DCTELEM *data)
|
|
{
|
|
jsimd_fdct_islow_dspr2(data);
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_fdct_ifast(DCTELEM *data)
|
|
{
|
|
jsimd_fdct_ifast_dspr2(data);
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_fdct_float(FAST_FLOAT *data)
|
|
{
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_quantize(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (sizeof(JCOEF) != 2)
|
|
return 0;
|
|
if (sizeof(DCTELEM) != 2)
|
|
return 0;
|
|
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_quantize_float(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (sizeof(JCOEF) != 2)
|
|
return 0;
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
if (sizeof(ISLOW_MULT_TYPE) != 2)
|
|
return 0;
|
|
|
|
#ifndef __mips_soft_float
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_quantize(JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace)
|
|
{
|
|
jsimd_quantize_dspr2(coef_block, divisors, workspace);
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_quantize_float(JCOEFPTR coef_block, FAST_FLOAT *divisors,
|
|
FAST_FLOAT *workspace)
|
|
{
|
|
#ifndef __mips_soft_float
|
|
jsimd_quantize_float_dspr2(coef_block, divisors, workspace);
|
|
#endif
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_idct_2x2(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (sizeof(JCOEF) != 2)
|
|
return 0;
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
if (sizeof(ISLOW_MULT_TYPE) != 2)
|
|
return 0;
|
|
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_idct_4x4(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (sizeof(JCOEF) != 2)
|
|
return 0;
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
if (sizeof(ISLOW_MULT_TYPE) != 2)
|
|
return 0;
|
|
|
|
#if defined(__MIPSEL__)
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_idct_6x6(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (sizeof(JCOEF) != 2)
|
|
return 0;
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
if (sizeof(ISLOW_MULT_TYPE) != 2)
|
|
return 0;
|
|
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_idct_12x12(void)
|
|
{
|
|
init_simd();
|
|
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (sizeof(JCOEF) != 2)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
if (sizeof(ISLOW_MULT_TYPE) != 2)
|
|
return 0;
|
|
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_idct_2x2(j_decompress_ptr cinfo, jpeg_component_info *compptr,
|
|
JCOEFPTR coef_block, JSAMPARRAY output_buf,
|
|
JDIMENSION output_col)
|
|
{
|
|
jsimd_idct_2x2_dspr2(compptr->dct_table, coef_block, output_buf, output_col);
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_idct_4x4(j_decompress_ptr cinfo, jpeg_component_info *compptr,
|
|
JCOEFPTR coef_block, JSAMPARRAY output_buf,
|
|
JDIMENSION output_col)
|
|
{
|
|
int workspace[DCTSIZE * 4]; /* buffers data between passes */
|
|
|
|
jsimd_idct_4x4_dspr2(compptr->dct_table, coef_block, output_buf, output_col,
|
|
workspace);
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_idct_6x6(j_decompress_ptr cinfo, jpeg_component_info *compptr,
|
|
JCOEFPTR coef_block, JSAMPARRAY output_buf,
|
|
JDIMENSION output_col)
|
|
{
|
|
jsimd_idct_6x6_dspr2(compptr->dct_table, coef_block, output_buf, output_col);
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_idct_12x12(j_decompress_ptr cinfo, jpeg_component_info *compptr,
|
|
JCOEFPTR coef_block, JSAMPARRAY output_buf,
|
|
JDIMENSION output_col)
|
|
{
|
|
int workspace[96];
|
|
int output[12] = {
|
|
(int)(output_buf[0] + output_col),
|
|
(int)(output_buf[1] + output_col),
|
|
(int)(output_buf[2] + output_col),
|
|
(int)(output_buf[3] + output_col),
|
|
(int)(output_buf[4] + output_col),
|
|
(int)(output_buf[5] + output_col),
|
|
(int)(output_buf[6] + output_col),
|
|
(int)(output_buf[7] + output_col),
|
|
(int)(output_buf[8] + output_col),
|
|
(int)(output_buf[9] + output_col),
|
|
(int)(output_buf[10] + output_col),
|
|
(int)(output_buf[11] + output_col)
|
|
};
|
|
|
|
jsimd_idct_12x12_pass1_dspr2(coef_block, compptr->dct_table, workspace);
|
|
jsimd_idct_12x12_pass2_dspr2(workspace, output);
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_idct_islow(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (sizeof(JCOEF) != 2)
|
|
return 0;
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
if (sizeof(ISLOW_MULT_TYPE) != 2)
|
|
return 0;
|
|
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_idct_ifast(void)
|
|
{
|
|
init_simd();
|
|
|
|
/* The code is optimised for these values only */
|
|
if (DCTSIZE != 8)
|
|
return 0;
|
|
if (sizeof(JCOEF) != 2)
|
|
return 0;
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
|
return 0;
|
|
if (sizeof(IFAST_MULT_TYPE) != 2)
|
|
return 0;
|
|
if (IFAST_SCALE_BITS != 2)
|
|
return 0;
|
|
|
|
#if defined(__MIPSEL__)
|
|
if (simd_support & JSIMD_DSPR2)
|
|
return 1;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_idct_float(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_idct_islow(j_decompress_ptr cinfo, jpeg_component_info *compptr,
|
|
JCOEFPTR coef_block, JSAMPARRAY output_buf,
|
|
JDIMENSION output_col)
|
|
{
|
|
int output[8] = {
|
|
(int)(output_buf[0] + output_col),
|
|
(int)(output_buf[1] + output_col),
|
|
(int)(output_buf[2] + output_col),
|
|
(int)(output_buf[3] + output_col),
|
|
(int)(output_buf[4] + output_col),
|
|
(int)(output_buf[5] + output_col),
|
|
(int)(output_buf[6] + output_col),
|
|
(int)(output_buf[7] + output_col)
|
|
};
|
|
|
|
jsimd_idct_islow_dspr2(coef_block, compptr->dct_table, output,
|
|
IDCT_range_limit(cinfo));
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_idct_ifast(j_decompress_ptr cinfo, jpeg_component_info *compptr,
|
|
JCOEFPTR coef_block, JSAMPARRAY output_buf,
|
|
JDIMENSION output_col)
|
|
{
|
|
JCOEFPTR inptr;
|
|
IFAST_MULT_TYPE *quantptr;
|
|
DCTELEM workspace[DCTSIZE2]; /* buffers data between passes */
|
|
|
|
/* Pass 1: process columns from input, store into work array. */
|
|
|
|
inptr = coef_block;
|
|
quantptr = (IFAST_MULT_TYPE *)compptr->dct_table;
|
|
|
|
jsimd_idct_ifast_cols_dspr2(inptr, quantptr, workspace,
|
|
mips_idct_ifast_coefs);
|
|
|
|
/* Pass 2: process rows from work array, store into output array. */
|
|
/* Note that we must descale the results by a factor of 8 == 2**3, */
|
|
/* and also undo the PASS1_BITS scaling. */
|
|
|
|
jsimd_idct_ifast_rows_dspr2(workspace, output_buf, output_col,
|
|
mips_idct_ifast_coefs);
|
|
}
|
|
|
|
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)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
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)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_encode_mcu_AC_first_prepare(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_encode_mcu_AC_first_prepare(const JCOEF *block,
|
|
const int *jpeg_natural_order_start, int Sl,
|
|
int Al, JCOEF *values, size_t *zerobits)
|
|
{
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_encode_mcu_AC_refine_prepare(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_encode_mcu_AC_refine_prepare(const JCOEF *block,
|
|
const int *jpeg_natural_order_start, int Sl,
|
|
int Al, JCOEF *absvalues, size_t *bits)
|
|
{
|
|
return 0;
|
|
}
|