diff options
Diffstat (limited to 'media/libjpeg/simd/jsimd_mips.c')
| -rw-r--r-- | media/libjpeg/simd/jsimd_mips.c | 1138 |
1 files changed, 1138 insertions, 0 deletions
diff --git a/media/libjpeg/simd/jsimd_mips.c b/media/libjpeg/simd/jsimd_mips.c new file mode 100644 index 000000000..63b8115d1 --- /dev/null +++ b/media/libjpeg/simd/jsimd_mips.c @@ -0,0 +1,1138 @@ +/* + * jsimd_mips.c + * + * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB + * Copyright (C) 2009-2011, 2014, 2016, D. R. Commander. + * Copyright (C) 2013-2014, MIPS Technologies, Inc., California. + * Copyright (C) 2015, 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_MIPS_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) +{ + if (simd_support != ~0U) + return; + + simd_support = 0; + +#if defined(__MIPSEL__) && defined(__mips_dsp) && (__mips_dsp_rev >= 2) + simd_support |= JSIMD_MIPS_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 + + /* Force different settings through environment variables */ + env = getenv("JSIMD_FORCEDSPR2"); + if ((env != NULL) && (strcmp(env, "1") == 0)) + simd_support = JSIMD_MIPS_DSPR2; + env = getenv("JSIMD_FORCENONE"); + if ((env != NULL) && (strcmp(env, "1") == 0)) + simd_support = 0; +} + +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_MIPS_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_MIPS_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_MIPS_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_MIPS_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 (*mipsdspr2fct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); + + switch(cinfo->in_color_space) { + case JCS_EXT_RGB: + mipsdspr2fct=jsimd_extrgb_ycc_convert_mips_dspr2; + break; + case JCS_EXT_RGBX: + case JCS_EXT_RGBA: + mipsdspr2fct=jsimd_extrgbx_ycc_convert_mips_dspr2; + break; + case JCS_EXT_BGR: + mipsdspr2fct=jsimd_extbgr_ycc_convert_mips_dspr2; + break; + case JCS_EXT_BGRX: + case JCS_EXT_BGRA: + mipsdspr2fct=jsimd_extbgrx_ycc_convert_mips_dspr2; + break; + case JCS_EXT_XBGR: + case JCS_EXT_ABGR: + mipsdspr2fct=jsimd_extxbgr_ycc_convert_mips_dspr2; + + break; + case JCS_EXT_XRGB: + case JCS_EXT_ARGB: + mipsdspr2fct=jsimd_extxrgb_ycc_convert_mips_dspr2; + break; + default: + mipsdspr2fct=jsimd_extrgb_ycc_convert_mips_dspr2; + break; + } + + if (simd_support & JSIMD_MIPS_DSPR2) + mipsdspr2fct(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 (*mipsdspr2fct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); + + switch(cinfo->in_color_space) { + case JCS_EXT_RGB: + mipsdspr2fct=jsimd_extrgb_gray_convert_mips_dspr2; + break; + case JCS_EXT_RGBX: + case JCS_EXT_RGBA: + mipsdspr2fct=jsimd_extrgbx_gray_convert_mips_dspr2; + break; + case JCS_EXT_BGR: + mipsdspr2fct=jsimd_extbgr_gray_convert_mips_dspr2; + break; + case JCS_EXT_BGRX: + case JCS_EXT_BGRA: + mipsdspr2fct=jsimd_extbgrx_gray_convert_mips_dspr2; + break; + case JCS_EXT_XBGR: + case JCS_EXT_ABGR: + mipsdspr2fct=jsimd_extxbgr_gray_convert_mips_dspr2; + break; + case JCS_EXT_XRGB: + case JCS_EXT_ARGB: + mipsdspr2fct=jsimd_extxrgb_gray_convert_mips_dspr2; + break; + default: + mipsdspr2fct=jsimd_extrgb_gray_convert_mips_dspr2; + break; + } + + if (simd_support & JSIMD_MIPS_DSPR2) + mipsdspr2fct(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 (*mipsdspr2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); + + switch(cinfo->out_color_space) { + case JCS_EXT_RGB: + mipsdspr2fct=jsimd_ycc_extrgb_convert_mips_dspr2; + break; + case JCS_EXT_RGBX: + case JCS_EXT_RGBA: + mipsdspr2fct=jsimd_ycc_extrgbx_convert_mips_dspr2; + break; + case JCS_EXT_BGR: + mipsdspr2fct=jsimd_ycc_extbgr_convert_mips_dspr2; + break; + case JCS_EXT_BGRX: + case JCS_EXT_BGRA: + mipsdspr2fct=jsimd_ycc_extbgrx_convert_mips_dspr2; + break; + case JCS_EXT_XBGR: + case JCS_EXT_ABGR: + mipsdspr2fct=jsimd_ycc_extxbgr_convert_mips_dspr2; + break; + case JCS_EXT_XRGB: + case JCS_EXT_ARGB: + mipsdspr2fct=jsimd_ycc_extxrgb_convert_mips_dspr2; + break; + default: + mipsdspr2fct=jsimd_ycc_extrgb_convert_mips_dspr2; + break; + } + + if (simd_support & JSIMD_MIPS_DSPR2) + mipsdspr2fct(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) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_c_null_convert_mips_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_MIPS_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_MIPS_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_MIPS_DSPR2) + return 1; + + return 0; +} + +GLOBAL(void) +jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr, + JSAMPARRAY input_data, JSAMPARRAY output_data) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_h2v2_downsample_mips_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_mips_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) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_h2v1_downsample_mips_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_MIPS_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_MIPS_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_MIPS_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) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_h2v2_upsample_mips_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) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_h2v1_upsample_mips_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_mips_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_MIPS_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_MIPS_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) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_h2v2_fancy_upsample_mips_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) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_h2v1_fancy_upsample_mips_dspr2(cinfo->max_v_samp_factor, + compptr->downsampled_width, + input_data, output_data_ptr); +} + +GLOBAL(int) +jsimd_can_h2v2_merged_upsample (void) +{ + init_simd(); + + if (BITS_IN_JSAMPLE != 8) + return 0; + if (sizeof(JDIMENSION) != 4) + return 0; + + if (simd_support & JSIMD_MIPS_DSPR2) + return 1; + + return 0; +} + +GLOBAL(int) +jsimd_can_h2v1_merged_upsample (void) +{ + init_simd(); + + if (BITS_IN_JSAMPLE != 8) + return 0; + if (sizeof(JDIMENSION) != 4) + return 0; + + if (simd_support & JSIMD_MIPS_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 (*mipsdspr2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, + JSAMPLE *); + + switch(cinfo->out_color_space) { + case JCS_EXT_RGB: + mipsdspr2fct=jsimd_h2v2_extrgb_merged_upsample_mips_dspr2; + break; + case JCS_EXT_RGBX: + case JCS_EXT_RGBA: + mipsdspr2fct=jsimd_h2v2_extrgbx_merged_upsample_mips_dspr2; + break; + case JCS_EXT_BGR: + mipsdspr2fct=jsimd_h2v2_extbgr_merged_upsample_mips_dspr2; + break; + case JCS_EXT_BGRX: + case JCS_EXT_BGRA: + mipsdspr2fct=jsimd_h2v2_extbgrx_merged_upsample_mips_dspr2; + break; + case JCS_EXT_XBGR: + case JCS_EXT_ABGR: + mipsdspr2fct=jsimd_h2v2_extxbgr_merged_upsample_mips_dspr2; + break; + case JCS_EXT_XRGB: + case JCS_EXT_ARGB: + mipsdspr2fct=jsimd_h2v2_extxrgb_merged_upsample_mips_dspr2; + break; + default: + mipsdspr2fct=jsimd_h2v2_extrgb_merged_upsample_mips_dspr2; + break; + } + + mipsdspr2fct(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 (*mipsdspr2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, + JSAMPLE *); + + switch(cinfo->out_color_space) { + case JCS_EXT_RGB: + mipsdspr2fct=jsimd_h2v1_extrgb_merged_upsample_mips_dspr2; + break; + case JCS_EXT_RGBX: + case JCS_EXT_RGBA: + mipsdspr2fct=jsimd_h2v1_extrgbx_merged_upsample_mips_dspr2; + break; + case JCS_EXT_BGR: + mipsdspr2fct=jsimd_h2v1_extbgr_merged_upsample_mips_dspr2; + break; + case JCS_EXT_BGRX: + case JCS_EXT_BGRA: + mipsdspr2fct=jsimd_h2v1_extbgrx_merged_upsample_mips_dspr2; + break; + case JCS_EXT_XBGR: + case JCS_EXT_ABGR: + mipsdspr2fct=jsimd_h2v1_extxbgr_merged_upsample_mips_dspr2; + break; + case JCS_EXT_XRGB: + case JCS_EXT_ARGB: + mipsdspr2fct=jsimd_h2v1_extxrgb_merged_upsample_mips_dspr2; + break; + default: + mipsdspr2fct=jsimd_h2v1_extrgb_merged_upsample_mips_dspr2; + break; + } + + mipsdspr2fct(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_MIPS_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_MIPS_DSPR2) + return 1; + + return 0; +} + +GLOBAL(void) +jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col, + DCTELEM *workspace) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_convsamp_mips_dspr2(sample_data, start_col, workspace); +} + +GLOBAL(void) +jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col, + FAST_FLOAT *workspace) +{ + if ((simd_support & JSIMD_MIPS_DSPR2)) + jsimd_convsamp_float_mips_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_MIPS_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_MIPS_DSPR2) + return 1; + + return 0; +} + +GLOBAL(int) +jsimd_can_fdct_float (void) +{ + init_simd(); + + return 0; +} + +GLOBAL(void) +jsimd_fdct_islow (DCTELEM *data) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_fdct_islow_mips_dspr2(data); +} + +GLOBAL(void) +jsimd_fdct_ifast (DCTELEM *data) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_fdct_ifast_mips_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_MIPS_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_MIPS_DSPR2) + return 1; + + return 0; +} + +GLOBAL(void) +jsimd_quantize (JCOEFPTR coef_block, DCTELEM *divisors, + DCTELEM *workspace) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_quantize_mips_dspr2(coef_block, divisors, workspace); +} + +GLOBAL(void) +jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT *divisors, + FAST_FLOAT *workspace) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_quantize_float_mips_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_MIPS_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_MIPS_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_MIPS_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_MIPS_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) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_idct_2x2_mips_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) +{ + if (simd_support & JSIMD_MIPS_DSPR2) { + int workspace[DCTSIZE*4]; /* buffers data between passes */ + jsimd_idct_4x4_mips_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) +{ + if (simd_support & JSIMD_MIPS_DSPR2) + jsimd_idct_6x6_mips_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) +{ + if (simd_support & JSIMD_MIPS_DSPR2) { + 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_mips_dspr2(coef_block, compptr->dct_table, + workspace); + jsimd_idct_12x12_pass2_mips_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_MIPS_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_MIPS_DSPR2) + return 1; + + return 0; +} + +GLOBAL(int) +jsimd_can_idct_float (void) +{ + init_simd(); + + return 0; +} + +GLOBAL(void) +jsimd_idct_islow (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, JSAMPARRAY output_buf, + JDIMENSION output_col) +{ + if (simd_support & JSIMD_MIPS_DSPR2) { + 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_mips_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) +{ + if (simd_support & JSIMD_MIPS_DSPR2) { + 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_mips_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_mips_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; +} |