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Diffstat (limited to '')
| -rw-r--r-- | media/libjpeg/simd/mips/jsimd.c | 1143 |
1 files changed, 1143 insertions, 0 deletions
diff --git a/media/libjpeg/simd/mips/jsimd.c b/media/libjpeg/simd/mips/jsimd.c new file mode 100644 index 0000000000..c6e789aa2f --- /dev/null +++ b/media/libjpeg/simd/mips/jsimd.c @@ -0,0 +1,1143 @@ +/* + * jsimd_mips.c + * + * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB + * Copyright (C) 2009-2011, 2014, 2016, 2018, 2020, 2022, D. R. Commander. + * Copyright (C) 2013-2014, MIPS Technologies, Inc., California. + * 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 + * MIPS architecture. + */ + +#define JPEG_INTERNALS +#include "../../jinclude.h" +#include "../../jpeglib.h" +#include "../../jsimd.h" +#include "../../jdct.h" +#include "../../jsimddct.h" +#include "../jsimd.h" + +#include <ctype.h> + +static THREAD_LOCAL unsigned int simd_support = ~0; + +#if !(defined(__mips_dsp) && (__mips_dsp_rev >= 2)) && defined(__linux__) + +LOCAL(void) +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; + } + } + fclose(f); + } + /* Did not find string in the proc file, or not Linux ELF. */ +} + +#endif + +/* + * Check what SIMD accelerations are supported. + */ +LOCAL(void) +init_simd(void) +{ +#ifndef NO_GETENV + char *env = NULL; +#endif + + if (simd_support != ~0U) + return; + + simd_support = 0; + +#if 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 */ + parse_proc_cpuinfo("MIPS 74K"); +#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; + + /* FIXME: jsimd_h2v2_downsample_dspr2() fails some of the TJBench tiling + * regression tests, probably because the DSPr2 SIMD implementation predates + * those tests. */ +#if 0 + if (simd_support & JSIMD_DSPR2) + return 1; +#endif + + 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; + + /* FIXME: jsimd_h2v1_downsample_dspr2() fails some of the TJBench tiling + * regression tests, probably because the DSPr2 SIMD implementation predates + * those tests. */ +#if 0 + if (simd_support & JSIMD_DSPR2) + return 1; +#endif + + 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 defined(__MIPSEL__) + if (simd_support & JSIMD_DSPR2) + return 1; +#endif + + 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 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, UJCOEF *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, UJCOEF *absvalues, size_t *bits) +{ + return 0; +} |