| /* |
| * jsimd_mips.c |
| * |
| * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB |
| * Copyright (C) 2009-2011, 2014, 2016, 2018, D. R. Commander. |
| * Copyright (C) 2013-2014, MIPS Technologies, Inc., California. |
| * Copyright (C) 2015-2016, 2018, 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 |
| * MIPS architecture. |
| */ |
| |
| #define JPEG_INTERNALS |
| #include "../../jinclude.h" |
| #include "../../jpeglib.h" |
| #include "../../jsimd.h" |
| #include "../../jdct.h" |
| #include "../../jsimddct.h" |
| #include "../jsimd.h" |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <ctype.h> |
| |
| static unsigned int simd_support = ~0; |
| |
| #if defined(__linux__) |
| |
| LOCAL(int) |
| parse_proc_cpuinfo(const char *search_string) |
| { |
| const char *file_name = "/proc/cpuinfo"; |
| char cpuinfo_line[256]; |
| FILE *f = NULL; |
| |
| simd_support = 0; |
| |
| if ((f = fopen(file_name, "r")) != NULL) { |
| while (fgets(cpuinfo_line, sizeof(cpuinfo_line), f) != NULL) { |
| if (strstr(cpuinfo_line, search_string) != NULL) { |
| fclose(f); |
| simd_support |= JSIMD_DSPR2; |
| return 1; |
| } |
| } |
| fclose(f); |
| } |
| /* Did not find string in the proc file, or not Linux ELF. */ |
| return 0; |
| } |
| |
| #endif |
| |
| /* |
| * Check what SIMD accelerations are supported. |
| * |
| * FIXME: This code is racy under a multi-threaded environment. |
| */ |
| LOCAL(void) |
| init_simd(void) |
| { |
| #ifndef NO_GETENV |
| char *env = NULL; |
| #endif |
| |
| if (simd_support != ~0U) |
| return; |
| |
| simd_support = 0; |
| |
| #if defined(__MIPSEL__) && defined(__mips_dsp) && (__mips_dsp_rev >= 2) |
| simd_support |= JSIMD_DSPR2; |
| #elif defined(__linux__) |
| /* We still have a chance to use MIPS DSPR2 regardless of globally used |
| * -mdspr2 options passed to gcc by performing runtime detection via |
| * /proc/cpuinfo parsing on linux */ |
| if (!parse_proc_cpuinfo("MIPS 74K")) |
| return; |
| #endif |
| |
| #ifndef NO_GETENV |
| /* Force different settings through environment variables */ |
| env = getenv("JSIMD_FORCEDSPR2"); |
| if ((env != NULL) && (strcmp(env, "1") == 0)) |
| simd_support = JSIMD_DSPR2; |
| env = getenv("JSIMD_FORCENONE"); |
| if ((env != NULL) && (strcmp(env, "1") == 0)) |
| simd_support = 0; |
| #endif |
| } |
| |
| static const int mips_idct_ifast_coefs[4] = { |
| 0x45404540, /* FIX( 1.082392200 / 2) = 17734 = 0x4546 */ |
| 0x5A805A80, /* FIX( 1.414213562 / 2) = 23170 = 0x5A82 */ |
| 0x76407640, /* FIX( 1.847759065 / 2) = 30274 = 0x7642 */ |
| 0xAC60AC60 /* FIX(-2.613125930 / 4) = -21407 = 0xAC61 */ |
| }; |
| |
| /* The following struct is borrowed from jdsample.c */ |
| typedef void (*upsample1_ptr) (j_decompress_ptr cinfo, |
| jpeg_component_info *compptr, |
| JSAMPARRAY input_data, |
| JSAMPARRAY *output_data_ptr); |
| typedef struct { |
| struct jpeg_upsampler pub; |
| JSAMPARRAY color_buf[MAX_COMPONENTS]; |
| upsample1_ptr methods[MAX_COMPONENTS]; |
| int next_row_out; |
| JDIMENSION rows_to_go; |
| int rowgroup_height[MAX_COMPONENTS]; |
| UINT8 h_expand[MAX_COMPONENTS]; |
| UINT8 v_expand[MAX_COMPONENTS]; |
| } my_upsampler; |
| |
| typedef my_upsampler *my_upsample_ptr; |
| |
| GLOBAL(int) |
| jsimd_can_rgb_ycc(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 ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) |
| return 0; |
| |
| if (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| return 0; |
| } |
| |
| GLOBAL(int) |
| jsimd_can_rgb_gray(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 ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) |
| return 0; |
| |
| if (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| return 0; |
| } |
| |
| GLOBAL(int) |
| jsimd_can_ycc_rgb(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 ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) |
| return 0; |
| |
| if (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| return 0; |
| } |
| |
| GLOBAL(int) |
| jsimd_can_ycc_rgb565(void) |
| { |
| return 0; |
| } |
| |
| GLOBAL(int) |
| jsimd_c_can_null_convert(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_rgb_ycc_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf, |
| JSAMPIMAGE output_buf, JDIMENSION output_row, |
| int num_rows) |
| { |
| void (*dspr2fct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); |
| |
| switch (cinfo->in_color_space) { |
| case JCS_EXT_RGB: |
| dspr2fct = jsimd_extrgb_ycc_convert_dspr2; |
| break; |
| case JCS_EXT_RGBX: |
| case JCS_EXT_RGBA: |
| dspr2fct = jsimd_extrgbx_ycc_convert_dspr2; |
| break; |
| case JCS_EXT_BGR: |
| dspr2fct = jsimd_extbgr_ycc_convert_dspr2; |
| break; |
| case JCS_EXT_BGRX: |
| case JCS_EXT_BGRA: |
| dspr2fct = jsimd_extbgrx_ycc_convert_dspr2; |
| break; |
| case JCS_EXT_XBGR: |
| case JCS_EXT_ABGR: |
| dspr2fct = jsimd_extxbgr_ycc_convert_dspr2; |
| break; |
| case JCS_EXT_XRGB: |
| case JCS_EXT_ARGB: |
| dspr2fct = jsimd_extxrgb_ycc_convert_dspr2; |
| break; |
| default: |
| dspr2fct = jsimd_extrgb_ycc_convert_dspr2; |
| break; |
| } |
| |
| dspr2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows); |
| } |
| |
| GLOBAL(void) |
| jsimd_rgb_gray_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf, |
| JSAMPIMAGE output_buf, JDIMENSION output_row, |
| int num_rows) |
| { |
| void (*dspr2fct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); |
| |
| switch (cinfo->in_color_space) { |
| case JCS_EXT_RGB: |
| dspr2fct = jsimd_extrgb_gray_convert_dspr2; |
| break; |
| case JCS_EXT_RGBX: |
| case JCS_EXT_RGBA: |
| dspr2fct = jsimd_extrgbx_gray_convert_dspr2; |
| break; |
| case JCS_EXT_BGR: |
| dspr2fct = jsimd_extbgr_gray_convert_dspr2; |
| break; |
| case JCS_EXT_BGRX: |
| case JCS_EXT_BGRA: |
| dspr2fct = jsimd_extbgrx_gray_convert_dspr2; |
| break; |
| case JCS_EXT_XBGR: |
| case JCS_EXT_ABGR: |
| dspr2fct = jsimd_extxbgr_gray_convert_dspr2; |
| break; |
| case JCS_EXT_XRGB: |
| case JCS_EXT_ARGB: |
| dspr2fct = jsimd_extxrgb_gray_convert_dspr2; |
| break; |
| default: |
| dspr2fct = jsimd_extrgb_gray_convert_dspr2; |
| break; |
| } |
| |
| dspr2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows); |
| } |
| |
| GLOBAL(void) |
| jsimd_ycc_rgb_convert(j_decompress_ptr cinfo, JSAMPIMAGE input_buf, |
| JDIMENSION input_row, JSAMPARRAY output_buf, |
| int num_rows) |
| { |
| void (*dspr2fct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); |
| |
| switch (cinfo->out_color_space) { |
| case JCS_EXT_RGB: |
| dspr2fct = jsimd_ycc_extrgb_convert_dspr2; |
| break; |
| case JCS_EXT_RGBX: |
| case JCS_EXT_RGBA: |
| dspr2fct = jsimd_ycc_extrgbx_convert_dspr2; |
| break; |
| case JCS_EXT_BGR: |
| dspr2fct = jsimd_ycc_extbgr_convert_dspr2; |
| break; |
| case JCS_EXT_BGRX: |
| case JCS_EXT_BGRA: |
| dspr2fct = jsimd_ycc_extbgrx_convert_dspr2; |
| break; |
| case JCS_EXT_XBGR: |
| case JCS_EXT_ABGR: |
| dspr2fct = jsimd_ycc_extxbgr_convert_dspr2; |
| break; |
| case JCS_EXT_XRGB: |
| case JCS_EXT_ARGB: |
| dspr2fct = jsimd_ycc_extxrgb_convert_dspr2; |
| break; |
| default: |
| dspr2fct = jsimd_ycc_extrgb_convert_dspr2; |
| break; |
| } |
| |
| dspr2fct(cinfo->output_width, input_buf, input_row, output_buf, 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(void) |
| jsimd_c_null_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf, |
| JSAMPIMAGE output_buf, JDIMENSION output_row, |
| int num_rows) |
| { |
| jsimd_c_null_convert_dspr2(cinfo->image_width, input_buf, output_buf, |
| output_row, num_rows, cinfo->num_components); |
| } |
| |
| GLOBAL(int) |
| jsimd_can_h2v2_downsample(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_h2v2_smooth_downsample(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 (DCTSIZE != 8) |
| return 0; |
| |
| if (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| return 0; |
| } |
| |
| GLOBAL(int) |
| jsimd_can_h2v1_downsample(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_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr, |
| JSAMPARRAY input_data, JSAMPARRAY output_data) |
| { |
| jsimd_h2v2_downsample_dspr2(cinfo->image_width, cinfo->max_v_samp_factor, |
| compptr->v_samp_factor, compptr->width_in_blocks, |
| input_data, output_data); |
| } |
| |
| GLOBAL(void) |
| jsimd_h2v2_smooth_downsample(j_compress_ptr cinfo, |
| jpeg_component_info *compptr, |
| JSAMPARRAY input_data, JSAMPARRAY output_data) |
| { |
| jsimd_h2v2_smooth_downsample_dspr2(input_data, output_data, |
| compptr->v_samp_factor, |
| cinfo->max_v_samp_factor, |
| cinfo->smoothing_factor, |
| compptr->width_in_blocks, |
| cinfo->image_width); |
| } |
| |
| GLOBAL(void) |
| jsimd_h2v1_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr, |
| JSAMPARRAY input_data, JSAMPARRAY output_data) |
| { |
| jsimd_h2v1_downsample_dspr2(cinfo->image_width, cinfo->max_v_samp_factor, |
| compptr->v_samp_factor, compptr->width_in_blocks, |
| input_data, output_data); |
| } |
| |
| GLOBAL(int) |
| jsimd_can_h2v2_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_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_int_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_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr, |
| JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr) |
| { |
| jsimd_h2v2_upsample_dspr2(cinfo->max_v_samp_factor, cinfo->output_width, |
| input_data, output_data_ptr); |
| } |
| |
| GLOBAL(void) |
| jsimd_h2v1_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr, |
| JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr) |
| { |
| jsimd_h2v1_upsample_dspr2(cinfo->max_v_samp_factor, cinfo->output_width, |
| input_data, output_data_ptr); |
| } |
| |
| GLOBAL(void) |
| jsimd_int_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr, |
| JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr) |
| { |
| my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample; |
| |
| jsimd_int_upsample_dspr2(upsample->h_expand[compptr->component_index], |
| upsample->v_expand[compptr->component_index], |
| input_data, output_data_ptr, cinfo->output_width, |
| cinfo->max_v_samp_factor); |
| } |
| |
| GLOBAL(int) |
| jsimd_can_h2v2_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 (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| 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 (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| 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 (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| 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; |
| |
| if (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| 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) |
| { |
| jsimd_convsamp_float_dspr2(sample_data, start_col, workspace); |
| } |
| |
| 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 (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| 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 (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| 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; |
| |
| if (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| 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) |
| { |
| jsimd_quantize_float_dspr2(coef_block, divisors, workspace); |
| } |
| |
| 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 (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| 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 (simd_support & JSIMD_DSPR2) |
| return 1; |
| |
| 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; |
| } |
