jddctmgr.c jdhuff.c jdinput.c jdmainct.c jdmarker.c jdmaster.c \
jdmerge.c jdphuff.c jdpostct.c jdsample.c jdtrans.c jerror.c \
jfdctflt.c jfdctfst.c jfdctint.c jidctflt.c jidctfst.c jidctint.c \
- jidctred.c jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c \
- jsimd.c
+ jidctred.c jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c
if WITH_SIMD
SUBDIRS = simd
libjpeg_la_LIBADD = simd/libsimd.la
+else
+
+libjpeg_la_SOURCES += jsimd_none.c
+
endif
TSTHDRS = turbojpeg.h rrutil.h rrtimer.h
x86_64)
AC_MSG_RESULT([yes (x86_64)])
AC_PROG_NASM
- AC_DEFINE([WITH_SIMD], [1], [Use accelerated SIMD routines.])
- AC_DEFINE([WITH_SIMD64], [1], [Use x86-64 accelerated SIMD routines.])
+ simd_arch=x86_64
;;
i*86 | x86 | ia32)
AC_MSG_RESULT([yes (i386)])
AC_PROG_NASM
- AC_DEFINE([WITH_SIMD], [1], [Use accelerated SIMD routines.])
+ simd_arch=i386
;;
*)
AC_MSG_RESULT([no ("$host_cpu")])
with_simd=no
;;
esac
+
+ if test "x${with_simd}" != "xno"; then
+ AC_DEFINE([WITH_SIMD], [1], [Use accelerated SIMD routines.])
+ fi
fi
-AM_CONDITIONAL([WITH_SIMD64], [test "x$with_simd64" != "xno"])
+
AM_CONDITIONAL([WITH_SIMD], [test "x$with_simd" != "xno"])
+AM_CONDITIONAL([SIMD_I386], [test "x$simd_arch" = "xi386"])
+AM_CONDITIONAL([SIMD_X86_64], [test "x$simd_arch" = "xx86_64"])
# jconfig.h is the file we use, but we have another before that to
# fool autoheader. the reason is that we include this header in our
+++ /dev/null
-/*
- * jsimd.c
- *
- * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
- * Copyright 2009 D. R. Commander
- *
- * Based on the x86 SIMD extension for IJG JPEG library,
- * Copyright (C) 1999-2006, MIYASAKA Masaru.
- *
- * This file contains the interface between the "normal" portions
- * of the library and the SIMD implementations.
- */
-
-#define JPEG_INTERNALS
-#include "jinclude.h"
-#include "jpeglib.h"
-#include "jsimd.h"
-#include "jdct.h"
-#include "jsimddct.h"
-#include "simd/jsimd.h"
-
-/*
- * In the PIC cases, we have no guarantee that constants will keep
- * their alignment. This macro allows us to verify it at runtime.
- */
-#ifdef WITH_SIMD
-#define IS_ALIGNED(ptr, order) (((unsigned)ptr & ((1 << order) - 1)) == 0)
-#else
-#define IS_ALIGNED(ptr, order) (0)
-#endif
-
-#define IS_ALIGNED_SSE(ptr) (IS_ALIGNED(ptr, 4)) /* 16 byte alignment */
-
-static unsigned int simd_support = ~0;
-
-/*
- * Check what SIMD accelerations are supported.
- *
- * FIXME: This code is racy under a multi-threaded environment.
- */
-LOCAL(void)
-init_simd (void)
-{
-#ifdef WITH_SIMD
- char *env = NULL;
-#endif
- if (simd_support != ~0)
- return;
-
-#ifdef WITH_SIMD
- simd_support = jpeg_simd_cpu_support();
- #ifndef __x86_64__
- if((env=getenv("JSIMD_FORCEMMX"))!=NULL && !strcmp(env, "1"))
- simd_support = JSIMD_MMX;
- else if((env=getenv("JSIMD_FORCESSE2"))!=NULL && !strcmp(env, "1"))
- simd_support = JSIMD_SSE2;
- #endif
-#else
- simd_support = JSIMD_NONE;
-#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_SSE2) &&
- IS_ALIGNED_SSE(jconst_rgb_ycc_convert_sse2))
- return 1;
- if (simd_support & JSIMD_MMX)
- 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_SSE2) &&
- IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2))
- return 1;
- if (simd_support & JSIMD_MMX)
- 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)
-{
-#ifdef WITH_SIMD
- void (*sse2fct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
- #ifndef __x86_64__
- void (*mmxfct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
- #endif
- switch(cinfo->in_color_space)
- {
- case JCS_EXT_RGB:
- sse2fct=jsimd_extrgb_ycc_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_extrgb_ycc_convert_mmx;
- #endif
- break;
- case JCS_EXT_RGBX:
- sse2fct=jsimd_extrgbx_ycc_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_extrgbx_ycc_convert_mmx;
- #endif
- break;
- case JCS_EXT_BGR:
- sse2fct=jsimd_extbgr_ycc_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_extbgr_ycc_convert_mmx;
- #endif
- break;
- case JCS_EXT_BGRX:
- sse2fct=jsimd_extbgrx_ycc_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_extbgrx_ycc_convert_mmx;
- #endif
- break;
- case JCS_EXT_XBGR:
- sse2fct=jsimd_extxbgr_ycc_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_extxbgr_ycc_convert_mmx;
- #endif
- break;
- case JCS_EXT_XRGB:
- sse2fct=jsimd_extxrgb_ycc_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_extxrgb_ycc_convert_mmx;
- #endif
- break;
- default:
- sse2fct=jsimd_rgb_ycc_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_rgb_ycc_convert_mmx;
- #endif
- break;
- }
- if ((simd_support & JSIMD_SSE2) &&
- IS_ALIGNED_SSE(jconst_rgb_ycc_convert_sse2))
- sse2fct(cinfo->image_width, input_buf,
- output_buf, output_row, num_rows);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- mmxfct(cinfo->image_width, input_buf,
- output_buf, output_row, num_rows);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_ycc_rgb_convert (j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf, JDIMENSION input_row,
- JSAMPARRAY output_buf, int num_rows)
-{
-#ifdef WITH_SIMD
- void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
- #ifndef __x86_64__
- void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
- #endif
- switch(cinfo->out_color_space)
- {
- case JCS_EXT_RGB:
- sse2fct=jsimd_ycc_extrgb_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_ycc_extrgb_convert_mmx;
- #endif
- break;
- case JCS_EXT_RGBX:
- sse2fct=jsimd_ycc_extrgbx_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_ycc_extrgbx_convert_mmx;
- #endif
- break;
- case JCS_EXT_BGR:
- sse2fct=jsimd_ycc_extbgr_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_ycc_extbgr_convert_mmx;
- #endif
- break;
- case JCS_EXT_BGRX:
- sse2fct=jsimd_ycc_extbgrx_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_ycc_extbgrx_convert_mmx;
- #endif
- break;
- case JCS_EXT_XBGR:
- sse2fct=jsimd_ycc_extxbgr_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_ycc_extxbgr_convert_mmx;
- #endif
- break;
- case JCS_EXT_XRGB:
- sse2fct=jsimd_ycc_extxrgb_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_ycc_extxrgb_convert_mmx;
- #endif
- break;
- default:
- sse2fct=jsimd_ycc_rgb_convert_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_ycc_rgb_convert_mmx;
- #endif
- break;
- }
- if ((simd_support & JSIMD_SSE2) &&
- IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2))
- sse2fct(cinfo->output_width, input_buf,
- input_row, output_buf, num_rows);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- mmxfct(cinfo->output_width, input_buf,
- input_row, output_buf, num_rows);
- #endif
-#endif
-}
-
-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_SSE2)
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- 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_SSE2)
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- return 0;
-}
-
-GLOBAL(void)
-jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
- JSAMPARRAY input_data, JSAMPARRAY output_data)
-{
-#ifdef WITH_SIMD
- if (simd_support & JSIMD_SSE2)
- jsimd_h2v2_downsample_sse2(cinfo->image_width, cinfo->max_v_samp_factor,
- compptr->v_samp_factor, compptr->width_in_blocks,
- input_data, output_data);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_h2v2_downsample_mmx(cinfo->image_width, cinfo->max_v_samp_factor,
- compptr->v_samp_factor, compptr->width_in_blocks,
- input_data, output_data);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
- JSAMPARRAY input_data, JSAMPARRAY output_data)
-{
-#ifdef WITH_SIMD
- if (simd_support & JSIMD_SSE2)
- jsimd_h2v1_downsample_sse2(cinfo->image_width, cinfo->max_v_samp_factor,
- compptr->v_samp_factor, compptr->width_in_blocks,
- input_data, output_data);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_h2v1_downsample_mmx(cinfo->image_width, cinfo->max_v_samp_factor,
- compptr->v_samp_factor, compptr->width_in_blocks,
- input_data, output_data);
- #endif
-#endif
-}
-
-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_SSE2)
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- 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_SSE2)
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- return 0;
-}
-
-GLOBAL(void)
-jsimd_h2v2_upsample (j_decompress_ptr cinfo,
- jpeg_component_info * compptr,
- JSAMPARRAY input_data,
- JSAMPARRAY * output_data_ptr)
-{
-#ifdef WITH_SIMD
- if (simd_support & JSIMD_SSE2)
- jsimd_h2v2_upsample_sse2(cinfo->max_v_samp_factor,
- cinfo->output_width, input_data, output_data_ptr);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_h2v2_upsample_mmx(cinfo->max_v_samp_factor,
- cinfo->output_width, input_data, output_data_ptr);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_h2v1_upsample (j_decompress_ptr cinfo,
- jpeg_component_info * compptr,
- JSAMPARRAY input_data,
- JSAMPARRAY * output_data_ptr)
-{
-#ifdef WITH_SIMD
- if (simd_support & JSIMD_SSE2)
- jsimd_h2v1_upsample_sse2(cinfo->max_v_samp_factor,
- cinfo->output_width, input_data, output_data_ptr);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_h2v1_upsample_mmx(cinfo->max_v_samp_factor,
- cinfo->output_width, input_data, output_data_ptr);
- #endif
-#endif
-}
-
-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_SSE2) &&
- IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- 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 ((simd_support & JSIMD_SSE2) &&
- IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- 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)
-{
-#ifdef WITH_SIMD
- if ((simd_support & JSIMD_SSE2) &&
- IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
- jsimd_h2v1_fancy_upsample_sse2(cinfo->max_v_samp_factor,
- compptr->downsampled_width, input_data, output_data_ptr);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_h2v2_fancy_upsample_mmx(cinfo->max_v_samp_factor,
- compptr->downsampled_width, input_data, output_data_ptr);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_h2v1_fancy_upsample (j_decompress_ptr cinfo,
- jpeg_component_info * compptr,
- JSAMPARRAY input_data,
- JSAMPARRAY * output_data_ptr)
-{
-#ifdef WITH_SIMD
- if ((simd_support & JSIMD_SSE2) &&
- IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
- jsimd_h2v1_fancy_upsample_sse2(cinfo->max_v_samp_factor,
- compptr->downsampled_width, input_data, output_data_ptr);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_h2v1_fancy_upsample_mmx(cinfo->max_v_samp_factor,
- compptr->downsampled_width, input_data, output_data_ptr);
- #endif
-#endif
-}
-
-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_SSE2) &&
- IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- 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_SSE2) &&
- IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- return 0;
-}
-
-GLOBAL(void)
-jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf,
- JDIMENSION in_row_group_ctr,
- JSAMPARRAY output_buf)
-{
-#ifdef WITH_SIMD
- void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
- #ifndef __x86_64__
- void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
- #endif
- switch(cinfo->out_color_space)
- {
- case JCS_EXT_RGB:
- sse2fct=jsimd_h2v2_extrgb_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v2_extrgb_merged_upsample_mmx;
- #endif
- break;
- case JCS_EXT_RGBX:
- sse2fct=jsimd_h2v2_extrgbx_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v2_extrgbx_merged_upsample_mmx;
- #endif
- break;
- case JCS_EXT_BGR:
- sse2fct=jsimd_h2v2_extbgr_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v2_extbgr_merged_upsample_mmx;
- #endif
- break;
- case JCS_EXT_BGRX:
- sse2fct=jsimd_h2v2_extbgrx_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v2_extbgrx_merged_upsample_mmx;
- #endif
- break;
- case JCS_EXT_XBGR:
- sse2fct=jsimd_h2v2_extxbgr_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v2_extxbgr_merged_upsample_mmx;
- #endif
- break;
- case JCS_EXT_XRGB:
- sse2fct=jsimd_h2v2_extxrgb_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v2_extxrgb_merged_upsample_mmx;
- #endif
- break;
- default:
- sse2fct=jsimd_h2v2_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v2_merged_upsample_mmx;
- #endif
- break;
- }
- if ((simd_support & JSIMD_SSE2) &&
- IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
- sse2fct(cinfo->output_width, input_buf,
- in_row_group_ctr, output_buf);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- mmxfct(cinfo->output_width, input_buf,
- in_row_group_ctr, output_buf);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf,
- JDIMENSION in_row_group_ctr,
- JSAMPARRAY output_buf)
-{
-#ifdef WITH_SIMD
- void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
- #ifndef __x86_64__
- void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
- #endif
- switch(cinfo->out_color_space)
- {
- case JCS_EXT_RGB:
- sse2fct=jsimd_h2v1_extrgb_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v1_extrgb_merged_upsample_mmx;
- #endif
- break;
- case JCS_EXT_RGBX:
- sse2fct=jsimd_h2v1_extrgbx_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v1_extrgbx_merged_upsample_mmx;
- #endif
- break;
- case JCS_EXT_BGR:
- sse2fct=jsimd_h2v1_extbgr_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v1_extbgr_merged_upsample_mmx;
- #endif
- break;
- case JCS_EXT_BGRX:
- sse2fct=jsimd_h2v1_extbgrx_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v1_extbgrx_merged_upsample_mmx;
- #endif
- break;
- case JCS_EXT_XBGR:
- sse2fct=jsimd_h2v1_extxbgr_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v1_extxbgr_merged_upsample_mmx;
- #endif
- break;
- case JCS_EXT_XRGB:
- sse2fct=jsimd_h2v1_extxrgb_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v1_extxrgb_merged_upsample_mmx;
- #endif
- break;
- default:
- sse2fct=jsimd_h2v1_merged_upsample_sse2;
- #ifndef __x86_64__
- mmxfct=jsimd_h2v1_merged_upsample_mmx;
- #endif
- break;
- }
- if ((simd_support & JSIMD_SSE2) &&
- IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
- sse2fct(cinfo->output_width, input_buf,
- in_row_group_ctr, output_buf);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- mmxfct(cinfo->output_width, input_buf,
- in_row_group_ctr, output_buf);
- #endif
-#endif
-}
-
-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_SSE2)
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- 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 (BITS_IN_JSAMPLE != 8)
- return 0;
- if (sizeof(JDIMENSION) != 4)
- return 0;
- if (sizeof(FAST_FLOAT) != 4)
- return 0;
-
- if (simd_support & JSIMD_SSE2)
- return 1;
- if (simd_support & JSIMD_SSE)
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_3DNOW)
- return 1;
- #endif
-
- return 0;
-}
-
-GLOBAL(void)
-jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col,
- DCTELEM * workspace)
-{
-#ifdef WITH_SIMD
- if (simd_support & JSIMD_SSE2)
- jsimd_convsamp_sse2(sample_data, start_col, workspace);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_convsamp_mmx(sample_data, start_col, workspace);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col,
- FAST_FLOAT * workspace)
-{
-#ifdef WITH_SIMD
- if (simd_support & JSIMD_SSE2)
- jsimd_convsamp_float_sse2(sample_data, start_col, workspace);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_SSE)
- jsimd_convsamp_float_sse(sample_data, start_col, workspace);
- else if (simd_support & JSIMD_3DNOW)
- jsimd_convsamp_float_3dnow(sample_data, start_col, workspace);
- #endif
-#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 ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_islow_sse2))
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- 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 ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_ifast_sse2))
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- return 0;
-}
-
-GLOBAL(int)
-jsimd_can_fdct_float (void)
-{
- init_simd();
-
- /* The code is optimised for these values only */
- if (DCTSIZE != 8)
- return 0;
- if (sizeof(FAST_FLOAT) != 4)
- return 0;
-
- if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_fdct_float_sse))
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_3DNOW)
- return 1;
- #endif
-
- return 0;
-}
-
-GLOBAL(void)
-jsimd_fdct_islow (DCTELEM * data)
-{
-#ifdef WITH_SIMD
- if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_islow_sse2))
- jsimd_fdct_islow_sse2(data);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_fdct_islow_mmx(data);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_fdct_ifast (DCTELEM * data)
-{
-#ifdef WITH_SIMD
- if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_islow_sse2))
- jsimd_fdct_ifast_sse2(data);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_fdct_ifast_mmx(data);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_fdct_float (FAST_FLOAT * data)
-{
-#ifdef WITH_SIMD
- if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_fdct_float_sse))
- jsimd_fdct_float_sse(data);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_3DNOW)
- jsimd_fdct_float_3dnow(data);
- #endif
-#endif
-}
-
-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_SSE2)
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- 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 (sizeof(FAST_FLOAT) != 4)
- return 0;
-
- if (simd_support & JSIMD_SSE2)
- return 1;
- if (simd_support & JSIMD_SSE)
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_3DNOW)
- return 1;
- #endif
-
- return 0;
-}
-
-GLOBAL(void)
-jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors,
- DCTELEM * workspace)
-{
-#ifdef WITH_SIMD
- if (simd_support & JSIMD_SSE2)
- jsimd_quantize_sse2(coef_block, divisors, workspace);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_quantize_mmx(coef_block, divisors, workspace);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors,
- FAST_FLOAT * workspace)
-{
-#ifdef WITH_SIMD
- if (simd_support & JSIMD_SSE2)
- jsimd_quantize_float_sse2(coef_block, divisors, workspace);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_SSE)
- jsimd_quantize_float_sse(coef_block, divisors, workspace);
- else if (simd_support & JSIMD_3DNOW)
- jsimd_quantize_float_3dnow(coef_block, divisors, workspace);
- #endif
-#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_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2))
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- 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_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2))
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- 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 WITH_SIMD
- if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2))
- jsimd_idct_2x2_sse2(compptr->dct_table, coef_block, output_buf, output_col);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_idct_2x2_mmx(compptr->dct_table, coef_block, output_buf, output_col);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
- JCOEFPTR coef_block, JSAMPARRAY output_buf,
- JDIMENSION output_col)
-{
-#if WITH_SIMD
- if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2))
- jsimd_idct_4x4_sse2(compptr->dct_table, coef_block, output_buf, output_col);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_idct_4x4_mmx(compptr->dct_table, coef_block, output_buf, output_col);
- #endif
-#endif
-}
-
-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_SSE2) && IS_ALIGNED_SSE(jconst_idct_islow_sse2))
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- 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_SSE2) && IS_ALIGNED_SSE(jconst_idct_ifast_sse2))
- return 1;
- #ifndef __x86_64__
- if (simd_support & JSIMD_MMX)
- return 1;
- #endif
-
- return 0;
-}
-
-GLOBAL(int)
-jsimd_can_idct_float (void)
-{
- init_simd();
-
- 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(FAST_FLOAT) != 4)
- return 0;
- if (sizeof(FLOAT_MULT_TYPE) != 4)
- return 0;
-
- if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_float_sse2))
- return 1;
- #ifndef __x86_64__
- if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_idct_float_sse))
- return 1;
- if (simd_support & JSIMD_3DNOW)
- return 1;
- #endif
-
- 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 WITH_SIMD
- if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_islow_sse2))
- jsimd_idct_islow_sse2(compptr->dct_table, coef_block, output_buf, output_col);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_idct_islow_mmx(compptr->dct_table, coef_block, output_buf, output_col);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr,
- JCOEFPTR coef_block, JSAMPARRAY output_buf,
- JDIMENSION output_col)
-{
-#if WITH_SIMD
- if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_ifast_sse2))
- jsimd_idct_ifast_sse2(compptr->dct_table, coef_block, output_buf, output_col);
- #ifndef __x86_64__
- else if (simd_support & JSIMD_MMX)
- jsimd_idct_ifast_mmx(compptr->dct_table, coef_block, output_buf, output_col);
- #endif
-#endif
-}
-
-GLOBAL(void)
-jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info * compptr,
- JCOEFPTR coef_block, JSAMPARRAY output_buf,
- JDIMENSION output_col)
-{
-#if WITH_SIMD
- if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_float_sse2))
- jsimd_idct_float_sse2(compptr->dct_table, coef_block,
- output_buf, output_col);
- #ifndef __x86_64__
- else if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_idct_float_sse))
- jsimd_idct_float_sse(compptr->dct_table, coef_block,
- output_buf, output_col);
- else if (simd_support & JSIMD_3DNOW)
- jsimd_idct_float_3dnow(compptr->dct_table, coef_block,
- output_buf, output_col);
- #endif
-#endif
-}
-
--- /dev/null
+/*
+ * jsimd_none.c
+ *
+ * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright 2009 D. R. Commander
+ *
+ * Based on the x86 SIMD extension for IJG JPEG library,
+ * Copyright (C) 1999-2006, MIYASAKA Masaru.
+ *
+ * This file contains stubs for when there is no SIMD support available.
+ */
+
+#define JPEG_INTERNALS
+#include "jinclude.h"
+#include "jpeglib.h"
+#include "jsimd.h"
+#include "jdct.h"
+#include "jsimddct.h"
+
+GLOBAL(int)
+jsimd_can_rgb_ycc (void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_ycc_rgb (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)
+{
+}
+
+GLOBAL(void)
+jsimd_ycc_rgb_convert (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
+{
+}
+
+GLOBAL(int)
+jsimd_can_h2v2_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)
+{
+}
+
+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(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(int)
+jsimd_can_h2v2_fancy_upsample (void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_h2v1_fancy_upsample (void)
+{
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_h2v2_fancy_upsample (j_decompress_ptr cinfo,
+ jpeg_component_info * compptr,
+ JSAMPARRAY input_data,
+ JSAMPARRAY * output_data_ptr)
+{
+}
+
+GLOBAL(void)
+jsimd_h2v1_fancy_upsample (j_decompress_ptr cinfo,
+ jpeg_component_info * compptr,
+ JSAMPARRAY input_data,
+ JSAMPARRAY * output_data_ptr)
+{
+}
+
+GLOBAL(int)
+jsimd_can_h2v2_merged_upsample (void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_h2v1_merged_upsample (void)
+{
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr,
+ JSAMPARRAY output_buf)
+{
+}
+
+GLOBAL(void)
+jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr,
+ JSAMPARRAY 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)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_fdct_ifast (void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_fdct_float (void)
+{
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_fdct_islow (DCTELEM * data)
+{
+}
+
+GLOBAL(void)
+jsimd_fdct_ifast (DCTELEM * data)
+{
+}
+
+GLOBAL(void)
+jsimd_fdct_float (FAST_FLOAT * data)
+{
+}
+
+GLOBAL(int)
+jsimd_can_quantize (void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_quantize_float (void)
+{
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors,
+ DCTELEM * 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(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(int)
+jsimd_can_idct_islow (void)
+{
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_idct_ifast (void)
+{
+ 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)
+{
+}
+
+GLOBAL(void)
+jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr,
+ JCOEFPTR coef_block, JSAMPARRAY output_buf,
+ JDIMENSION output_col)
+{
+}
+
+GLOBAL(void)
+jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info * compptr,
+ JCOEFPTR coef_block, JSAMPARRAY output_buf,
+ JDIMENSION output_col)
+{
+}
+
EXTRA_DIST = nasm_lt.sh
-if WITH_SIMD64
+if SIMD_X86_64
-libsimd_la_SOURCES = jsimd.h jsimdcfg.inc.h \
+libsimd_la_SOURCES = jsimd_x86_64.c \
+ jsimd.h jsimdcfg.inc.h \
jsimdext.inc jcolsamp.inc jdct.inc \
- jsimdcpu-64.asm jfsseflt-64.asm \
+ jfsseflt-64.asm \
jccolss2-64.asm jdcolss2-64.asm \
jcsamss2-64.asm jdsamss2-64.asm jdmerss2-64.asm \
jcqnts2i-64.asm jfss2fst-64.asm jfss2int-64.asm \
jdcolss2-64.lo: jdclrss2-64.asm
jdmerss2-64.lo: jdmrgss2-64.asm
-else
+endif
+
+if SIMD_I386
-libsimd_la_SOURCES = jsimd.h jsimdcfg.inc.h \
+libsimd_la_SOURCES = jsimd_i386.c \
+ jsimd.h jsimdcfg.inc.h \
jsimdext.inc jcolsamp.inc jdct.inc \
jsimdcpu.asm \
jccolmmx.asm jdcolmmx.asm \
--- /dev/null
+/*
+ * jsimd_i386.c
+ *
+ * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright 2009 D. R. Commander
+ *
+ * Based on the x86 SIMD extension for IJG JPEG library,
+ * Copyright (C) 1999-2006, MIYASAKA Masaru.
+ *
+ * This file contains the interface between the "normal" portions
+ * of the library and the SIMD implementations when running on a
+ * 32-bit x86 architecture.
+ */
+
+#define JPEG_INTERNALS
+#include "../jinclude.h"
+#include "../jpeglib.h"
+#include "../jsimd.h"
+#include "../jdct.h"
+#include "../jsimddct.h"
+#include "simd/jsimd.h"
+
+/*
+ * In the PIC cases, we have no guarantee that constants will keep
+ * their alignment. This macro allows us to verify it at runtime.
+ */
+#define IS_ALIGNED(ptr, order) (((unsigned)ptr & ((1 << order) - 1)) == 0)
+
+#define IS_ALIGNED_SSE(ptr) (IS_ALIGNED(ptr, 4)) /* 16 byte alignment */
+
+static unsigned int simd_support = ~0;
+
+/*
+ * Check what SIMD accelerations are supported.
+ *
+ * FIXME: This code is racy under a multi-threaded environment.
+ */
+LOCAL(void)
+init_simd (void)
+{
+ char *env = NULL;
+
+ if (simd_support != ~0)
+ return;
+
+ simd_support = jpeg_simd_cpu_support();
+
+ /* Force different settings through environment variables */
+ env = getenv("JSIMD_FORCEMMX");
+ if ((env != NULL) && (strcmp(env, "1") == 0))
+ simd_support &= JSIMD_MMX;
+ env = getenv("JSIMD_FORCE3DNOW");
+ if ((env != NULL) && (strcmp(env, "1") == 0))
+ simd_support &= JSIMD_3DNOW;
+ env = getenv("JSIMD_FORCESSE");
+ if ((env != NULL) && (strcmp(env, "1") == 0))
+ simd_support &= JSIMD_SSE;
+ env = getenv("JSIMD_FORCESSE2");
+ if ((env != NULL) && (strcmp(env, "1") == 0))
+ simd_support &= JSIMD_SSE2;
+}
+
+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_SSE2) &&
+ IS_ALIGNED_SSE(jconst_rgb_ycc_convert_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2) &&
+ IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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 (*sse2fct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
+ void (*mmxfct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
+
+ switch(cinfo->in_color_space)
+ {
+ case JCS_EXT_RGB:
+ sse2fct=jsimd_extrgb_ycc_convert_sse2;
+ mmxfct=jsimd_extrgb_ycc_convert_mmx;
+ break;
+ case JCS_EXT_RGBX:
+ sse2fct=jsimd_extrgbx_ycc_convert_sse2;
+ mmxfct=jsimd_extrgbx_ycc_convert_mmx;
+ break;
+ case JCS_EXT_BGR:
+ sse2fct=jsimd_extbgr_ycc_convert_sse2;
+ mmxfct=jsimd_extbgr_ycc_convert_mmx;
+ break;
+ case JCS_EXT_BGRX:
+ sse2fct=jsimd_extbgrx_ycc_convert_sse2;
+ mmxfct=jsimd_extbgrx_ycc_convert_mmx;
+ break;
+ case JCS_EXT_XBGR:
+ sse2fct=jsimd_extxbgr_ycc_convert_sse2;
+ mmxfct=jsimd_extxbgr_ycc_convert_mmx;
+ break;
+ case JCS_EXT_XRGB:
+ sse2fct=jsimd_extxrgb_ycc_convert_sse2;
+ mmxfct=jsimd_extxrgb_ycc_convert_mmx;
+ break;
+ default:
+ sse2fct=jsimd_rgb_ycc_convert_sse2;
+ mmxfct=jsimd_rgb_ycc_convert_mmx;
+ break;
+ }
+
+ if ((simd_support & JSIMD_SSE2) &&
+ IS_ALIGNED_SSE(jconst_rgb_ycc_convert_sse2))
+ sse2fct(cinfo->image_width, input_buf,
+ output_buf, output_row, num_rows);
+ else if (simd_support & JSIMD_MMX)
+ mmxfct(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 (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
+ void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
+
+ switch(cinfo->out_color_space)
+ {
+ case JCS_EXT_RGB:
+ sse2fct=jsimd_ycc_extrgb_convert_sse2;
+ mmxfct=jsimd_ycc_extrgb_convert_mmx;
+ break;
+ case JCS_EXT_RGBX:
+ sse2fct=jsimd_ycc_extrgbx_convert_sse2;
+ mmxfct=jsimd_ycc_extrgbx_convert_mmx;
+ break;
+ case JCS_EXT_BGR:
+ sse2fct=jsimd_ycc_extbgr_convert_sse2;
+ mmxfct=jsimd_ycc_extbgr_convert_mmx;
+ break;
+ case JCS_EXT_BGRX:
+ sse2fct=jsimd_ycc_extbgrx_convert_sse2;
+ mmxfct=jsimd_ycc_extbgrx_convert_mmx;
+ break;
+ case JCS_EXT_XBGR:
+ sse2fct=jsimd_ycc_extxbgr_convert_sse2;
+ mmxfct=jsimd_ycc_extxbgr_convert_mmx;
+ break;
+ case JCS_EXT_XRGB:
+ sse2fct=jsimd_ycc_extxrgb_convert_sse2;
+ mmxfct=jsimd_ycc_extxrgb_convert_mmx;
+ break;
+ default:
+ sse2fct=jsimd_ycc_rgb_convert_sse2;
+ mmxfct=jsimd_ycc_rgb_convert_mmx;
+ break;
+ }
+
+ if ((simd_support & JSIMD_SSE2) &&
+ IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2))
+ sse2fct(cinfo->output_width, input_buf,
+ input_row, output_buf, num_rows);
+ else if (simd_support & JSIMD_MMX)
+ mmxfct(cinfo->output_width, input_buf,
+ input_row, output_buf, 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_SSE2)
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2)
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2)
+ jsimd_h2v2_downsample_sse2(cinfo->image_width, cinfo->max_v_samp_factor,
+ compptr->v_samp_factor, compptr->width_in_blocks,
+ input_data, output_data);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_h2v2_downsample_mmx(cinfo->image_width, cinfo->max_v_samp_factor,
+ compptr->v_samp_factor, compptr->width_in_blocks,
+ input_data, output_data);
+}
+
+GLOBAL(void)
+jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
+ JSAMPARRAY input_data, JSAMPARRAY output_data)
+{
+ if (simd_support & JSIMD_SSE2)
+ jsimd_h2v1_downsample_sse2(cinfo->image_width, cinfo->max_v_samp_factor,
+ compptr->v_samp_factor, compptr->width_in_blocks,
+ input_data, output_data);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_h2v1_downsample_mmx(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_SSE2)
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2)
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2)
+ jsimd_h2v2_upsample_sse2(cinfo->max_v_samp_factor,
+ cinfo->output_width, input_data, output_data_ptr);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_h2v2_upsample_mmx(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_SSE2)
+ jsimd_h2v1_upsample_sse2(cinfo->max_v_samp_factor,
+ cinfo->output_width, input_data, output_data_ptr);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_h2v1_upsample_mmx(cinfo->max_v_samp_factor,
+ cinfo->output_width, input_data, 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_SSE2) &&
+ IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2) &&
+ IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2) &&
+ IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
+ jsimd_h2v1_fancy_upsample_sse2(cinfo->max_v_samp_factor,
+ compptr->downsampled_width, input_data, output_data_ptr);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_h2v2_fancy_upsample_mmx(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_SSE2) &&
+ IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
+ jsimd_h2v1_fancy_upsample_sse2(cinfo->max_v_samp_factor,
+ compptr->downsampled_width, input_data, output_data_ptr);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_h2v1_fancy_upsample_mmx(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_SSE2) &&
+ IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2) &&
+ IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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 (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
+ void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
+
+ switch(cinfo->out_color_space)
+ {
+ case JCS_EXT_RGB:
+ sse2fct=jsimd_h2v2_extrgb_merged_upsample_sse2;
+ mmxfct=jsimd_h2v2_extrgb_merged_upsample_mmx;
+ break;
+ case JCS_EXT_RGBX:
+ sse2fct=jsimd_h2v2_extrgbx_merged_upsample_sse2;
+ mmxfct=jsimd_h2v2_extrgbx_merged_upsample_mmx;
+ break;
+ case JCS_EXT_BGR:
+ sse2fct=jsimd_h2v2_extbgr_merged_upsample_sse2;
+ mmxfct=jsimd_h2v2_extbgr_merged_upsample_mmx;
+ break;
+ case JCS_EXT_BGRX:
+ sse2fct=jsimd_h2v2_extbgrx_merged_upsample_sse2;
+ mmxfct=jsimd_h2v2_extbgrx_merged_upsample_mmx;
+ break;
+ case JCS_EXT_XBGR:
+ sse2fct=jsimd_h2v2_extxbgr_merged_upsample_sse2;
+ mmxfct=jsimd_h2v2_extxbgr_merged_upsample_mmx;
+ break;
+ case JCS_EXT_XRGB:
+ sse2fct=jsimd_h2v2_extxrgb_merged_upsample_sse2;
+ mmxfct=jsimd_h2v2_extxrgb_merged_upsample_mmx;
+ break;
+ default:
+ sse2fct=jsimd_h2v2_merged_upsample_sse2;
+ mmxfct=jsimd_h2v2_merged_upsample_mmx;
+ break;
+ }
+
+ if ((simd_support & JSIMD_SSE2) &&
+ IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
+ sse2fct(cinfo->output_width, input_buf,
+ in_row_group_ctr, output_buf);
+ else if (simd_support & JSIMD_MMX)
+ mmxfct(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 (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
+ void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
+
+ switch(cinfo->out_color_space)
+ {
+ case JCS_EXT_RGB:
+ sse2fct=jsimd_h2v1_extrgb_merged_upsample_sse2;
+ mmxfct=jsimd_h2v1_extrgb_merged_upsample_mmx;
+ break;
+ case JCS_EXT_RGBX:
+ sse2fct=jsimd_h2v1_extrgbx_merged_upsample_sse2;
+ mmxfct=jsimd_h2v1_extrgbx_merged_upsample_mmx;
+ break;
+ case JCS_EXT_BGR:
+ sse2fct=jsimd_h2v1_extbgr_merged_upsample_sse2;
+ mmxfct=jsimd_h2v1_extbgr_merged_upsample_mmx;
+ break;
+ case JCS_EXT_BGRX:
+ sse2fct=jsimd_h2v1_extbgrx_merged_upsample_sse2;
+ mmxfct=jsimd_h2v1_extbgrx_merged_upsample_mmx;
+ break;
+ case JCS_EXT_XBGR:
+ sse2fct=jsimd_h2v1_extxbgr_merged_upsample_sse2;
+ mmxfct=jsimd_h2v1_extxbgr_merged_upsample_mmx;
+ break;
+ case JCS_EXT_XRGB:
+ sse2fct=jsimd_h2v1_extxrgb_merged_upsample_sse2;
+ mmxfct=jsimd_h2v1_extxrgb_merged_upsample_mmx;
+ break;
+ default:
+ sse2fct=jsimd_h2v1_merged_upsample_sse2;
+ mmxfct=jsimd_h2v1_merged_upsample_mmx;
+ break;
+ }
+
+ if ((simd_support & JSIMD_SSE2) &&
+ IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
+ sse2fct(cinfo->output_width, input_buf,
+ in_row_group_ctr, output_buf);
+ else if (simd_support & JSIMD_MMX)
+ mmxfct(cinfo->output_width, input_buf,
+ in_row_group_ctr, output_buf);
+}
+
+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_SSE2)
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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 (BITS_IN_JSAMPLE != 8)
+ return 0;
+ if (sizeof(JDIMENSION) != 4)
+ return 0;
+ if (sizeof(FAST_FLOAT) != 4)
+ return 0;
+
+ if (simd_support & JSIMD_SSE2)
+ return 1;
+ if (simd_support & JSIMD_SSE)
+ return 1;
+ if (simd_support & JSIMD_3DNOW)
+ return 1;
+
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col,
+ DCTELEM * workspace)
+{
+ if (simd_support & JSIMD_SSE2)
+ jsimd_convsamp_sse2(sample_data, start_col, workspace);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_convsamp_mmx(sample_data, start_col, workspace);
+}
+
+GLOBAL(void)
+jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col,
+ FAST_FLOAT * workspace)
+{
+ if (simd_support & JSIMD_SSE2)
+ jsimd_convsamp_float_sse2(sample_data, start_col, workspace);
+ else if (simd_support & JSIMD_SSE)
+ jsimd_convsamp_float_sse(sample_data, start_col, workspace);
+ else if (simd_support & JSIMD_3DNOW)
+ jsimd_convsamp_float_3dnow(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_SSE2) && IS_ALIGNED_SSE(jconst_fdct_islow_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2) && IS_ALIGNED_SSE(jconst_fdct_ifast_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ return 1;
+
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_fdct_float (void)
+{
+ init_simd();
+
+ /* The code is optimised for these values only */
+ if (DCTSIZE != 8)
+ return 0;
+ if (sizeof(FAST_FLOAT) != 4)
+ return 0;
+
+ if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_fdct_float_sse))
+ return 1;
+ if (simd_support & JSIMD_3DNOW)
+ return 1;
+
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_fdct_islow (DCTELEM * data)
+{
+ if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_islow_sse2))
+ jsimd_fdct_islow_sse2(data);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_fdct_islow_mmx(data);
+}
+
+GLOBAL(void)
+jsimd_fdct_ifast (DCTELEM * data)
+{
+ if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_islow_sse2))
+ jsimd_fdct_ifast_sse2(data);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_fdct_ifast_mmx(data);
+}
+
+GLOBAL(void)
+jsimd_fdct_float (FAST_FLOAT * data)
+{
+ if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_fdct_float_sse))
+ jsimd_fdct_float_sse(data);
+ else if (simd_support & JSIMD_3DNOW)
+ jsimd_fdct_float_3dnow(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_SSE2)
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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 (sizeof(FAST_FLOAT) != 4)
+ return 0;
+
+ if (simd_support & JSIMD_SSE2)
+ return 1;
+ if (simd_support & JSIMD_SSE)
+ return 1;
+ if (simd_support & JSIMD_3DNOW)
+ return 1;
+
+ return 0;
+}
+
+GLOBAL(void)
+jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors,
+ DCTELEM * workspace)
+{
+ if (simd_support & JSIMD_SSE2)
+ jsimd_quantize_sse2(coef_block, divisors, workspace);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_quantize_mmx(coef_block, divisors, workspace);
+}
+
+GLOBAL(void)
+jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors,
+ FAST_FLOAT * workspace)
+{
+ if (simd_support & JSIMD_SSE2)
+ jsimd_quantize_float_sse2(coef_block, divisors, workspace);
+ else if (simd_support & JSIMD_SSE)
+ jsimd_quantize_float_sse(coef_block, divisors, workspace);
+ else if (simd_support & JSIMD_3DNOW)
+ jsimd_quantize_float_3dnow(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_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2))
+ jsimd_idct_2x2_sse2(compptr->dct_table, coef_block, output_buf, output_col);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_idct_2x2_mmx(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_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2))
+ jsimd_idct_4x4_sse2(compptr->dct_table, coef_block, output_buf, output_col);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_idct_4x4_mmx(compptr->dct_table, coef_block, output_buf, 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_SSE2) && IS_ALIGNED_SSE(jconst_idct_islow_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ 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_SSE2) && IS_ALIGNED_SSE(jconst_idct_ifast_sse2))
+ return 1;
+ if (simd_support & JSIMD_MMX)
+ return 1;
+
+ return 0;
+}
+
+GLOBAL(int)
+jsimd_can_idct_float (void)
+{
+ init_simd();
+
+ 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(FAST_FLOAT) != 4)
+ return 0;
+ if (sizeof(FLOAT_MULT_TYPE) != 4)
+ return 0;
+
+ if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_float_sse2))
+ return 1;
+ if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_idct_float_sse))
+ return 1;
+ if (simd_support & JSIMD_3DNOW)
+ return 1;
+
+ 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_SSE2) && IS_ALIGNED_SSE(jconst_idct_islow_sse2))
+ jsimd_idct_islow_sse2(compptr->dct_table, coef_block, output_buf, output_col);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_idct_islow_mmx(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)
+{
+ if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_ifast_sse2))
+ jsimd_idct_ifast_sse2(compptr->dct_table, coef_block, output_buf, output_col);
+ else if (simd_support & JSIMD_MMX)
+ jsimd_idct_ifast_mmx(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)
+{
+ if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_float_sse2))
+ jsimd_idct_float_sse2(compptr->dct_table, coef_block,
+ output_buf, output_col);
+ else if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_idct_float_sse))
+ jsimd_idct_float_sse(compptr->dct_table, coef_block,
+ output_buf, output_col);
+ else if (simd_support & JSIMD_3DNOW)
+ jsimd_idct_float_3dnow(compptr->dct_table, coef_block,
+ output_buf, output_col);
+}
+
--- /dev/null
+/*
+ * jsimd_x86_64.c
+ *
+ * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright 2009 D. R. Commander
+ *
+ * Based on the x86 SIMD extension for IJG JPEG library,
+ * Copyright (C) 1999-2006, MIYASAKA Masaru.
+ *
+ * This file contains the interface between the "normal" portions
+ * of the library and the SIMD implementations when running on a
+ * x86_64 architecture.
+ */
+
+#define JPEG_INTERNALS
+#include "../jinclude.h"
+#include "../jpeglib.h"
+#include "../jsimd.h"
+#include "../jdct.h"
+#include "../jsimddct.h"
+#include "simd/jsimd.h"
+
+/*
+ * In the PIC cases, we have no guarantee that constants will keep
+ * their alignment. This macro allows us to verify it at runtime.
+ */
+#define IS_ALIGNED(ptr, order) (((unsigned)ptr & ((1 << order) - 1)) == 0)
+
+#define IS_ALIGNED_SSE(ptr) (IS_ALIGNED(ptr, 4)) /* 16 byte alignment */
+
+GLOBAL(int)
+jsimd_can_rgb_ycc (void)
+{
+ /* 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 (!IS_ALIGNED_SSE(jconst_rgb_ycc_convert_sse2))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_ycc_rgb (void)
+{
+ /* 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 (!IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(void)
+jsimd_rgb_ycc_convert (j_compress_ptr cinfo,
+ JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+ JDIMENSION output_row, int num_rows)
+{
+ void (*sse2fct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
+
+ switch(cinfo->in_color_space)
+ {
+ case JCS_EXT_RGB:
+ sse2fct=jsimd_extrgb_ycc_convert_sse2;
+ break;
+ case JCS_EXT_RGBX:
+ sse2fct=jsimd_extrgbx_ycc_convert_sse2;
+ break;
+ case JCS_EXT_BGR:
+ sse2fct=jsimd_extbgr_ycc_convert_sse2;
+ break;
+ case JCS_EXT_BGRX:
+ sse2fct=jsimd_extbgrx_ycc_convert_sse2;
+ break;
+ case JCS_EXT_XBGR:
+ sse2fct=jsimd_extxbgr_ycc_convert_sse2;
+ break;
+ case JCS_EXT_XRGB:
+ sse2fct=jsimd_extxrgb_ycc_convert_sse2;
+ break;
+ default:
+ sse2fct=jsimd_rgb_ycc_convert_sse2;
+ break;
+ }
+
+ sse2fct(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 (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
+
+ switch(cinfo->out_color_space)
+ {
+ case JCS_EXT_RGB:
+ sse2fct=jsimd_ycc_extrgb_convert_sse2;
+ break;
+ case JCS_EXT_RGBX:
+ sse2fct=jsimd_ycc_extrgbx_convert_sse2;
+ break;
+ case JCS_EXT_BGR:
+ sse2fct=jsimd_ycc_extbgr_convert_sse2;
+ break;
+ case JCS_EXT_BGRX:
+ sse2fct=jsimd_ycc_extbgrx_convert_sse2;
+ break;
+ case JCS_EXT_XBGR:
+ sse2fct=jsimd_ycc_extxbgr_convert_sse2;
+ break;
+ case JCS_EXT_XRGB:
+ sse2fct=jsimd_ycc_extxrgb_convert_sse2;
+ break;
+ default:
+ sse2fct=jsimd_ycc_rgb_convert_sse2;
+ break;
+ }
+
+ sse2fct(cinfo->output_width, input_buf, input_row, output_buf, num_rows);
+}
+
+GLOBAL(int)
+jsimd_can_h2v2_downsample (void)
+{
+ /* The code is optimised for these values only */
+ if (BITS_IN_JSAMPLE != 8)
+ return 0;
+ if (sizeof(JDIMENSION) != 4)
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_h2v1_downsample (void)
+{
+ /* The code is optimised for these values only */
+ if (BITS_IN_JSAMPLE != 8)
+ return 0;
+ if (sizeof(JDIMENSION) != 4)
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(void)
+jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
+ JSAMPARRAY input_data, JSAMPARRAY output_data)
+{
+ jsimd_h2v2_downsample_sse2(cinfo->image_width,
+ cinfo->max_v_samp_factor,
+ compptr->v_samp_factor,
+ compptr->width_in_blocks,
+ input_data, output_data);
+}
+
+GLOBAL(void)
+jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
+ JSAMPARRAY input_data, JSAMPARRAY output_data)
+{
+ jsimd_h2v1_downsample_sse2(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)
+{
+ /* The code is optimised for these values only */
+ if (BITS_IN_JSAMPLE != 8)
+ return 0;
+ if (sizeof(JDIMENSION) != 4)
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_h2v1_upsample (void)
+{
+ /* The code is optimised for these values only */
+ if (BITS_IN_JSAMPLE != 8)
+ return 0;
+ if (sizeof(JDIMENSION) != 4)
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(void)
+jsimd_h2v2_upsample (j_decompress_ptr cinfo,
+ jpeg_component_info * compptr,
+ JSAMPARRAY input_data,
+ JSAMPARRAY * output_data_ptr)
+{
+ jsimd_h2v2_upsample_sse2(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_sse2(cinfo->max_v_samp_factor,
+ cinfo->output_width,
+ input_data, output_data_ptr);
+}
+
+GLOBAL(int)
+jsimd_can_h2v2_fancy_upsample (void)
+{
+ /* The code is optimised for these values only */
+ if (BITS_IN_JSAMPLE != 8)
+ return 0;
+ if (sizeof(JDIMENSION) != 4)
+ return 0;
+
+ if (!IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_h2v1_fancy_upsample (void)
+{
+ /* The code is optimised for these values only */
+ if (BITS_IN_JSAMPLE != 8)
+ return 0;
+ if (sizeof(JDIMENSION) != 4)
+ return 0;
+
+ if (!IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(void)
+jsimd_h2v2_fancy_upsample (j_decompress_ptr cinfo,
+ jpeg_component_info * compptr,
+ JSAMPARRAY input_data,
+ JSAMPARRAY * output_data_ptr)
+{
+ jsimd_h2v1_fancy_upsample_sse2(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_sse2(cinfo->max_v_samp_factor,
+ compptr->downsampled_width,
+ input_data, output_data_ptr);
+}
+
+GLOBAL(int)
+jsimd_can_h2v2_merged_upsample (void)
+{
+ /* The code is optimised for these values only */
+ if (BITS_IN_JSAMPLE != 8)
+ return 0;
+ if (sizeof(JDIMENSION) != 4)
+ return 0;
+
+ if (!IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_h2v1_merged_upsample (void)
+{
+ /* The code is optimised for these values only */
+ if (BITS_IN_JSAMPLE != 8)
+ return 0;
+ if (sizeof(JDIMENSION) != 4)
+ return 0;
+
+ if (!IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(void)
+jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr,
+ JSAMPARRAY output_buf)
+{
+ void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
+
+ switch(cinfo->out_color_space)
+ {
+ case JCS_EXT_RGB:
+ sse2fct=jsimd_h2v2_extrgb_merged_upsample_sse2;
+ break;
+ case JCS_EXT_RGBX:
+ sse2fct=jsimd_h2v2_extrgbx_merged_upsample_sse2;
+ break;
+ case JCS_EXT_BGR:
+ sse2fct=jsimd_h2v2_extbgr_merged_upsample_sse2;
+ break;
+ case JCS_EXT_BGRX:
+ sse2fct=jsimd_h2v2_extbgrx_merged_upsample_sse2;
+ break;
+ case JCS_EXT_XBGR:
+ sse2fct=jsimd_h2v2_extxbgr_merged_upsample_sse2;
+ break;
+ case JCS_EXT_XRGB:
+ sse2fct=jsimd_h2v2_extxrgb_merged_upsample_sse2;
+ break;
+ default:
+ sse2fct=jsimd_h2v2_merged_upsample_sse2;
+ break;
+ }
+
+ sse2fct(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 (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
+
+ switch(cinfo->out_color_space)
+ {
+ case JCS_EXT_RGB:
+ sse2fct=jsimd_h2v1_extrgb_merged_upsample_sse2;
+ break;
+ case JCS_EXT_RGBX:
+ sse2fct=jsimd_h2v1_extrgbx_merged_upsample_sse2;
+ break;
+ case JCS_EXT_BGR:
+ sse2fct=jsimd_h2v1_extbgr_merged_upsample_sse2;
+ break;
+ case JCS_EXT_BGRX:
+ sse2fct=jsimd_h2v1_extbgrx_merged_upsample_sse2;
+ break;
+ case JCS_EXT_XBGR:
+ sse2fct=jsimd_h2v1_extxbgr_merged_upsample_sse2;
+ break;
+ case JCS_EXT_XRGB:
+ sse2fct=jsimd_h2v1_extxrgb_merged_upsample_sse2;
+ break;
+ default:
+ sse2fct=jsimd_h2v1_merged_upsample_sse2;
+ break;
+ }
+
+ sse2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf);
+}
+
+GLOBAL(int)
+jsimd_can_convsamp (void)
+{
+ /* 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;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_convsamp_float (void)
+{
+ /* 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(FAST_FLOAT) != 4)
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(void)
+jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col,
+ DCTELEM * workspace)
+{
+ jsimd_convsamp_sse2(sample_data, start_col, workspace);
+}
+
+GLOBAL(void)
+jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col,
+ FAST_FLOAT * workspace)
+{
+ jsimd_convsamp_float_sse2(sample_data, start_col, workspace);
+}
+
+GLOBAL(int)
+jsimd_can_fdct_islow (void)
+{
+ /* The code is optimised for these values only */
+ if (DCTSIZE != 8)
+ return 0;
+ if (sizeof(DCTELEM) != 2)
+ return 0;
+
+ if (!IS_ALIGNED_SSE(jconst_fdct_islow_sse2))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_fdct_ifast (void)
+{
+ /* The code is optimised for these values only */
+ if (DCTSIZE != 8)
+ return 0;
+ if (sizeof(DCTELEM) != 2)
+ return 0;
+
+ if (!IS_ALIGNED_SSE(jconst_fdct_ifast_sse2))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_fdct_float (void)
+{
+ /* The code is optimised for these values only */
+ if (DCTSIZE != 8)
+ return 0;
+ if (sizeof(FAST_FLOAT) != 4)
+ return 0;
+
+ if (!IS_ALIGNED_SSE(jconst_fdct_float_sse))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(void)
+jsimd_fdct_islow (DCTELEM * data)
+{
+ jsimd_fdct_islow_sse2(data);
+}
+
+GLOBAL(void)
+jsimd_fdct_ifast (DCTELEM * data)
+{
+ jsimd_fdct_ifast_sse2(data);
+}
+
+GLOBAL(void)
+jsimd_fdct_float (FAST_FLOAT * data)
+{
+ jsimd_fdct_float_sse(data);
+}
+
+GLOBAL(int)
+jsimd_can_quantize (void)
+{
+ /* 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;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_quantize_float (void)
+{
+ /* The code is optimised for these values only */
+ if (DCTSIZE != 8)
+ return 0;
+ if (sizeof(JCOEF) != 2)
+ return 0;
+ if (sizeof(FAST_FLOAT) != 4)
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(void)
+jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors,
+ DCTELEM * workspace)
+{
+ jsimd_quantize_sse2(coef_block, divisors, workspace);
+}
+
+GLOBAL(void)
+jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors,
+ FAST_FLOAT * workspace)
+{
+ jsimd_quantize_float_sse2(coef_block, divisors, workspace);
+}
+
+GLOBAL(int)
+jsimd_can_idct_2x2 (void)
+{
+ /* 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 (!IS_ALIGNED_SSE(jconst_idct_red_sse2))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_idct_4x4 (void)
+{
+ /* 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 (!IS_ALIGNED_SSE(jconst_idct_red_sse2))
+ return 0;
+
+ return 1;
+}
+
+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_sse2(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)
+{
+ jsimd_idct_4x4_sse2(compptr->dct_table, coef_block, output_buf, output_col);
+}
+
+GLOBAL(int)
+jsimd_can_idct_islow (void)
+{
+ /* 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 (!IS_ALIGNED_SSE(jconst_idct_islow_sse2))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_idct_ifast (void)
+{
+ /* 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 (!IS_ALIGNED_SSE(jconst_idct_ifast_sse2))
+ return 0;
+
+ return 1;
+}
+
+GLOBAL(int)
+jsimd_can_idct_float (void)
+{
+ 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(FAST_FLOAT) != 4)
+ return 0;
+ if (sizeof(FLOAT_MULT_TYPE) != 4)
+ return 0;
+
+ if (!IS_ALIGNED_SSE(jconst_idct_float_sse2))
+ return 0;
+
+ return 1;
+}
+
+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_sse2(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_sse2(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)
+{
+ jsimd_idct_float_sse2(compptr->dct_table, coef_block,
+ output_buf, output_col);
+}
+
+++ /dev/null
-;
-; jsimdcpu.asm - SIMD instruction support check
-;
-; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
-; Copyright 2009 D. R. Commander
-;
-; Based on
-; 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 should be assembled with NASM (Netwide Assembler),
-; can *not* be assembled with Microsoft's MASM or any compatible
-; assembler (including Borland's Turbo Assembler).
-; NASM is available from http://nasm.sourceforge.net/ or
-; http://sourceforge.net/project/showfiles.php?group_id=6208
-;
-; [TAB8]
-
-%include "jsimdext.inc"
-
-; --------------------------------------------------------------------------
- SECTION SEG_TEXT
- BITS 64
-;
-; Check if the CPU supports SIMD instructions
-;
-; GLOBAL(unsigned int)
-; jpeg_simd_cpu_support (void)
-;
-
- align 16
- global EXTN(jpeg_simd_cpu_support)
-
-EXTN(jpeg_simd_cpu_support):
- push rbx
-
- xor rdi,rdi ; simd support flag
-
- pushfq
- pop rax
- mov rdx,rax
- xor rax, 1<<21 ; flip ID bit in EFLAGS
- push rax
- popfq
- pushfq
- pop rax
- xor rax,rdx
- jz short .return ; CPUID is not supported
-
- ; Check for MMX instruction support
- xor rax,rax
- cpuid
- test rax,rax
- jz short .return
-
- xor rax,rax
- inc rax
- cpuid
- mov rax,rdx ; rax = Standard feature flags
-
- test rax, 1<<23 ; bit23:MMX
- jz short .no_mmx
- or rdi, byte JSIMD_MMX
-.no_mmx:
- test rax, 1<<25 ; bit25:SSE
- jz short .no_sse
- or rdi, byte JSIMD_SSE
-.no_sse:
- test rax, 1<<26 ; bit26:SSE2
- jz short .no_sse2
- or rdi, byte JSIMD_SSE2
-.no_sse2:
-
- ; Check for 3DNow! instruction support
- mov eax, 0x80000000
- cpuid
- cmp eax, 0x80000000
- jbe short .return
-
- mov rax, 0x80000001
- cpuid
- mov rax,rdx ; eax = Extended feature flags
-
- test eax, 1<<31 ; bit31:3DNow!(vendor independent)
- jz short .no_3dnow
- or edi, byte JSIMD_3DNOW
-.no_3dnow:
-
-.return:
- mov rax,rdi
-
- pop rbx
- ret
-
projects / tigervnc.git / commitdiff