summaryrefslogtreecommitdiffstats
path: root/media/libjpeg/simd/mips64/jsimd.c
diff options
context:
space:
mode:
Diffstat (limited to 'media/libjpeg/simd/mips64/jsimd.c')
-rw-r--r--media/libjpeg/simd/mips64/jsimd.c866
1 files changed, 866 insertions, 0 deletions
diff --git a/media/libjpeg/simd/mips64/jsimd.c b/media/libjpeg/simd/mips64/jsimd.c
new file mode 100644
index 0000000000..917440b43b
--- /dev/null
+++ b/media/libjpeg/simd/mips64/jsimd.c
@@ -0,0 +1,866 @@
+/*
+ * jsimd_mips64.c
+ *
+ * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright (C) 2009-2011, 2014, 2016, 2018, 2022, D. R. Commander.
+ * Copyright (C) 2013-2014, MIPS Technologies, Inc., California.
+ * Copyright (C) 2015, 2018, 2022, Matthieu Darbois.
+ * Copyright (C) 2016-2018, Loongson Technology Corporation Limited, BeiJing.
+ *
+ * Based on the x86 SIMD extension for IJG JPEG library,
+ * Copyright (C) 1999-2006, MIYASAKA Masaru.
+ * For conditions of distribution and use, see copyright notice in jsimdext.inc
+ *
+ * This file contains the interface between the "normal" portions
+ * of the library and the SIMD implementations when running on a
+ * 64-bit 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(__linux__)
+
+#define SOMEWHAT_SANE_PROC_CPUINFO_SIZE_LIMIT (1024 * 1024)
+
+LOCAL(int)
+check_feature(char *buffer, char *feature)
+{
+ char *p;
+
+ if (*feature == 0)
+ return 0;
+ if (strncmp(buffer, "ASEs implemented", 16) != 0)
+ return 0;
+ buffer += 16;
+ while (isspace(*buffer))
+ buffer++;
+
+ /* Check if 'feature' is present in the buffer as a separate word */
+ while ((p = strstr(buffer, feature))) {
+ if (p > buffer && !isspace(*(p - 1))) {
+ buffer++;
+ continue;
+ }
+ p += strlen(feature);
+ if (*p != 0 && !isspace(*p)) {
+ buffer++;
+ continue;
+ }
+ return 1;
+ }
+ return 0;
+}
+
+LOCAL(int)
+parse_proc_cpuinfo(int bufsize)
+{
+ char *buffer = (char *)malloc(bufsize);
+ FILE *fd;
+
+ simd_support = 0;
+
+ if (!buffer)
+ return 0;
+
+ fd = fopen("/proc/cpuinfo", "r");
+ if (fd) {
+ while (fgets(buffer, bufsize, fd)) {
+ if (!strchr(buffer, '\n') && !feof(fd)) {
+ /* "impossible" happened - insufficient size of the buffer! */
+ fclose(fd);
+ free(buffer);
+ return 0;
+ }
+ if (check_feature(buffer, "loongson-mmi"))
+ simd_support |= JSIMD_MMI;
+ }
+ fclose(fd);
+ }
+ free(buffer);
+ return 1;
+}
+
+#endif
+
+/*
+ * Check what SIMD accelerations are supported.
+ */
+LOCAL(void)
+init_simd(void)
+{
+#ifndef NO_GETENV
+ char *env = NULL;
+#endif
+#if defined(__linux__)
+ int bufsize = 1024; /* an initial guess for the line buffer size limit */
+#endif
+
+ if (simd_support != ~0U)
+ return;
+
+ simd_support = 0;
+
+#if defined(__linux__)
+ while (!parse_proc_cpuinfo(bufsize)) {
+ bufsize *= 2;
+ if (bufsize > SOMEWHAT_SANE_PROC_CPUINFO_SIZE_LIMIT)
+ break;
+ }
+#elif defined(__mips_loongson_vector_rev)
+ /* Only enable MMI by default on non-Linux platforms when the compiler flags
+ * support it. */
+ simd_support |= JSIMD_MMI;
+#endif
+
+#ifndef NO_GETENV
+ /* Force different settings through environment variables */
+ env = getenv("JSIMD_FORCEMMI");
+ if ((env != NULL) && (strcmp(env, "1") == 0))
+ simd_support = JSIMD_MMI;
+ env = getenv("JSIMD_FORCENONE");
+ if ((env != NULL) && (strcmp(env, "1") == 0))
+ simd_support = 0;
+#endif
+}
+
+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_MMI)
+ 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_MMI)
+ 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_MMI)
+ return 1;
+
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_ycc_rgb565(void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_c_can_null_convert(void)
+{
+ 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 (*mmifct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
+
+ switch (cinfo->in_color_space) {
+ case JCS_EXT_RGB:
+ mmifct = jsimd_extrgb_ycc_convert_mmi;
+ break;
+ case JCS_EXT_RGBX:
+ case JCS_EXT_RGBA:
+ mmifct = jsimd_extrgbx_ycc_convert_mmi;
+ break;
+ case JCS_EXT_BGR:
+ mmifct = jsimd_extbgr_ycc_convert_mmi;
+ break;
+ case JCS_EXT_BGRX:
+ case JCS_EXT_BGRA:
+ mmifct = jsimd_extbgrx_ycc_convert_mmi;
+ break;
+ case JCS_EXT_XBGR:
+ case JCS_EXT_ABGR:
+ mmifct = jsimd_extxbgr_ycc_convert_mmi;
+ break;
+ case JCS_EXT_XRGB:
+ case JCS_EXT_ARGB:
+ mmifct = jsimd_extxrgb_ycc_convert_mmi;
+ break;
+ default:
+ mmifct = jsimd_rgb_ycc_convert_mmi;
+ break;
+ }
+
+ mmifct(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 (*mmifct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
+
+ switch (cinfo->in_color_space) {
+ case JCS_EXT_RGB:
+ mmifct = jsimd_extrgb_gray_convert_mmi;
+ break;
+ case JCS_EXT_RGBX:
+ case JCS_EXT_RGBA:
+ mmifct = jsimd_extrgbx_gray_convert_mmi;
+ break;
+ case JCS_EXT_BGR:
+ mmifct = jsimd_extbgr_gray_convert_mmi;
+ break;
+ case JCS_EXT_BGRX:
+ case JCS_EXT_BGRA:
+ mmifct = jsimd_extbgrx_gray_convert_mmi;
+ break;
+ case JCS_EXT_XBGR:
+ case JCS_EXT_ABGR:
+ mmifct = jsimd_extxbgr_gray_convert_mmi;
+ break;
+ case JCS_EXT_XRGB:
+ case JCS_EXT_ARGB:
+ mmifct = jsimd_extxrgb_gray_convert_mmi;
+ break;
+ default:
+ mmifct = jsimd_rgb_gray_convert_mmi;
+ break;
+ }
+
+ mmifct(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 (*mmifct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
+
+ switch (cinfo->out_color_space) {
+ case JCS_EXT_RGB:
+ mmifct = jsimd_ycc_extrgb_convert_mmi;
+ break;
+ case JCS_EXT_RGBX:
+ case JCS_EXT_RGBA:
+ mmifct = jsimd_ycc_extrgbx_convert_mmi;
+ break;
+ case JCS_EXT_BGR:
+ mmifct = jsimd_ycc_extbgr_convert_mmi;
+ break;
+ case JCS_EXT_BGRX:
+ case JCS_EXT_BGRA:
+ mmifct = jsimd_ycc_extbgrx_convert_mmi;
+ break;
+ case JCS_EXT_XBGR:
+ case JCS_EXT_ABGR:
+ mmifct = jsimd_ycc_extxbgr_convert_mmi;
+ break;
+ case JCS_EXT_XRGB:
+ case JCS_EXT_ARGB:
+ mmifct = jsimd_ycc_extxrgb_convert_mmi;
+ break;
+ default:
+ mmifct = jsimd_ycc_rgb_convert_mmi;
+ break;
+ }
+
+ mmifct(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)
+{
+}
+
+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_MMI)
+ return 1;
+
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_h2v2_smooth_downsample(void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_h2v1_downsample(void)
+{
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_h2v2_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
+ JSAMPARRAY input_data, JSAMPARRAY output_data)
+{
+ jsimd_h2v2_downsample_mmi(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)
+{
+}
+
+GLOBAL(void)
+jsimd_h2v1_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
+ JSAMPARRAY input_data, JSAMPARRAY output_data)
+{
+}
+
+GLOBAL(int)
+jsimd_can_h2v2_upsample(void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_h2v1_upsample(void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_int_upsample(void)
+{
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_h2v2_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
+{
+}
+
+GLOBAL(void)
+jsimd_h2v1_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
+{
+}
+
+GLOBAL(void)
+jsimd_int_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
+{
+}
+
+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_MMI)
+ 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_MMI)
+ 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_mmi(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_mmi(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_MMI)
+ 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_MMI)
+ 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 (*mmifct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
+
+ switch (cinfo->out_color_space) {
+ case JCS_EXT_RGB:
+ mmifct = jsimd_h2v2_extrgb_merged_upsample_mmi;
+ break;
+ case JCS_EXT_RGBX:
+ case JCS_EXT_RGBA:
+ mmifct = jsimd_h2v2_extrgbx_merged_upsample_mmi;
+ break;
+ case JCS_EXT_BGR:
+ mmifct = jsimd_h2v2_extbgr_merged_upsample_mmi;
+ break;
+ case JCS_EXT_BGRX:
+ case JCS_EXT_BGRA:
+ mmifct = jsimd_h2v2_extbgrx_merged_upsample_mmi;
+ break;
+ case JCS_EXT_XBGR:
+ case JCS_EXT_ABGR:
+ mmifct = jsimd_h2v2_extxbgr_merged_upsample_mmi;
+ break;
+ case JCS_EXT_XRGB:
+ case JCS_EXT_ARGB:
+ mmifct = jsimd_h2v2_extxrgb_merged_upsample_mmi;
+ break;
+ default:
+ mmifct = jsimd_h2v2_merged_upsample_mmi;
+ break;
+ }
+
+ mmifct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf);
+}
+
+GLOBAL(void)
+jsimd_h2v1_merged_upsample(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)
+{
+ void (*mmifct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
+
+ switch (cinfo->out_color_space) {
+ case JCS_EXT_RGB:
+ mmifct = jsimd_h2v1_extrgb_merged_upsample_mmi;
+ break;
+ case JCS_EXT_RGBX:
+ case JCS_EXT_RGBA:
+ mmifct = jsimd_h2v1_extrgbx_merged_upsample_mmi;
+ break;
+ case JCS_EXT_BGR:
+ mmifct = jsimd_h2v1_extbgr_merged_upsample_mmi;
+ break;
+ case JCS_EXT_BGRX:
+ case JCS_EXT_BGRA:
+ mmifct = jsimd_h2v1_extbgrx_merged_upsample_mmi;
+ break;
+ case JCS_EXT_XBGR:
+ case JCS_EXT_ABGR:
+ mmifct = jsimd_h2v1_extxbgr_merged_upsample_mmi;
+ break;
+ case JCS_EXT_XRGB:
+ case JCS_EXT_ARGB:
+ mmifct = jsimd_h2v1_extxrgb_merged_upsample_mmi;
+ break;
+ default:
+ mmifct = jsimd_h2v1_merged_upsample_mmi;
+ break;
+ }
+
+ mmifct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf);
+}
+
+GLOBAL(int)
+jsimd_can_convsamp(void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_convsamp_float(void)
+{
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_convsamp(JSAMPARRAY sample_data, JDIMENSION start_col,
+ DCTELEM *workspace)
+{
+}
+
+GLOBAL(void)
+jsimd_convsamp_float(JSAMPARRAY sample_data, JDIMENSION start_col,
+ FAST_FLOAT *workspace)
+{
+}
+
+GLOBAL(int)
+jsimd_can_fdct_islow(void)
+{
+ 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_MMI)
+ 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_MMI)
+ return 1;
+
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_fdct_float(void)
+{
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_fdct_islow(DCTELEM *data)
+{
+ jsimd_fdct_islow_mmi(data);
+}
+
+GLOBAL(void)
+jsimd_fdct_ifast(DCTELEM *data)
+{
+ jsimd_fdct_ifast_mmi(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_MMI)
+ return 1;
+
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_quantize_float(void)
+{
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_quantize(JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace)
+{
+ jsimd_quantize_mmi(coef_block, divisors, workspace);
+}
+
+GLOBAL(void)
+jsimd_quantize_float(JCOEFPTR coef_block, FAST_FLOAT *divisors,
+ FAST_FLOAT *workspace)
+{
+}
+
+GLOBAL(int)
+jsimd_can_idct_2x2(void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_idct_4x4(void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_idct_6x6(void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_idct_12x12(void)
+{
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_idct_2x2(j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JCOEFPTR coef_block, JSAMPARRAY output_buf,
+ JDIMENSION output_col)
+{
+}
+
+GLOBAL(void)
+jsimd_idct_4x4(j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JCOEFPTR coef_block, JSAMPARRAY output_buf,
+ JDIMENSION output_col)
+{
+}
+
+GLOBAL(void)
+jsimd_idct_6x6(j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JCOEFPTR coef_block, JSAMPARRAY output_buf,
+ JDIMENSION output_col)
+{
+}
+
+GLOBAL(void)
+jsimd_idct_12x12(j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JCOEFPTR coef_block, JSAMPARRAY output_buf,
+ JDIMENSION output_col)
+{
+}
+
+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_MMI)
+ 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_MMI)
+ 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)
+{
+ jsimd_idct_islow_mmi(compptr->dct_table, coef_block, output_buf, output_col);
+}
+
+GLOBAL(void)
+jsimd_idct_ifast(j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JCOEFPTR coef_block, JSAMPARRAY output_buf,
+ JDIMENSION output_col)
+{
+ jsimd_idct_ifast_mmi(compptr->dct_table, coef_block, output_buf, output_col);
+}
+
+GLOBAL(void)
+jsimd_idct_float(j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JCOEFPTR coef_block, JSAMPARRAY output_buf,
+ JDIMENSION output_col)
+{
+}
+
+GLOBAL(int)
+jsimd_can_huff_encode_one_block(void)
+{
+ 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-29 04:02:33 +0000