| /* |
| * jsimd_i386.c |
| * |
| * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB |
| * Copyright (C) 2009-2011, 2013-2014, 2016, 2018, D. R. Commander. |
| * Copyright (C) 2015-2016, 2018, Matthieu Darbois. |
| * |
| * Based on the x86 SIMD extension for IJG JPEG library, |
| * Copyright (C) 1999-2006, MIYASAKA Masaru. |
| * For conditions of distribution and use, see copyright notice in jsimdext.inc |
| * |
| * This file contains the interface between the "normal" portions |
| * of the library and the SIMD implementations when running on a |
| * 32-bit x86 architecture. |
| */ |
| |
| #define JPEG_INTERNALS |
| #include "../../jinclude.h" |
| #include "../../jpeglib.h" |
| #include "../../jsimd.h" |
| #include "../../jdct.h" |
| #include "../../jsimddct.h" |
| #include "../jsimd.h" |
| #include "jconfigint.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 */ |
| #define IS_ALIGNED_AVX(ptr) (IS_ALIGNED(ptr, 5)) /* 32 byte alignment */ |
| |
| static unsigned int simd_support = (unsigned int)(~0); |
| static unsigned int simd_huffman = 1; |
| |
| /* |
| * Check what SIMD accelerations are supported. |
| * |
| * FIXME: This code is racy under a multi-threaded environment. |
| */ |
| LOCAL(void) |
| init_simd(void) |
| { |
| #ifndef NO_GETENV |
| char *env = NULL; |
| #endif |
| |
| if (simd_support != ~0U) |
| return; |
| |
| simd_support = jpeg_simd_cpu_support(); |
| |
| #ifndef NO_GETENV |
| /* 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 | JSIMD_MMX; |
| env = getenv("JSIMD_FORCESSE"); |
| if ((env != NULL) && (strcmp(env, "1") == 0)) |
| simd_support &= JSIMD_SSE | JSIMD_MMX; |
| env = getenv("JSIMD_FORCESSE2"); |
| if ((env != NULL) && (strcmp(env, "1") == 0)) |
| simd_support &= JSIMD_SSE2; |
| env = getenv("JSIMD_FORCEAVX2"); |
| if ((env != NULL) && (strcmp(env, "1") == 0)) |
| simd_support &= JSIMD_AVX2; |
| env = getenv("JSIMD_FORCENONE"); |
| if ((env != NULL) && (strcmp(env, "1") == 0)) |
| simd_support = 0; |
| env = getenv("JSIMD_NOHUFFENC"); |
| if ((env != NULL) && (strcmp(env, "1") == 0)) |
| simd_huffman = 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_AVX2) && |
| IS_ALIGNED_AVX(jconst_rgb_ycc_convert_avx2)) |
| return 1; |
| 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_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_AVX2) && |
| IS_ALIGNED_AVX(jconst_rgb_gray_convert_avx2)) |
| return 1; |
| if ((simd_support & JSIMD_SSE2) && |
| IS_ALIGNED_SSE(jconst_rgb_gray_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_AVX2) && |
| IS_ALIGNED_AVX(jconst_ycc_rgb_convert_avx2)) |
| return 1; |
| 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(int) |
| jsimd_can_ycc_rgb565(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 (*avx2fct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); |
| void (*sse2fct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); |
| void (*mmxfct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); |
| |
| switch (cinfo->in_color_space) { |
| case JCS_EXT_RGB: |
| avx2fct = jsimd_extrgb_ycc_convert_avx2; |
| sse2fct = jsimd_extrgb_ycc_convert_sse2; |
| mmxfct = jsimd_extrgb_ycc_convert_mmx; |
| break; |
| case JCS_EXT_RGBX: |
| case JCS_EXT_RGBA: |
| avx2fct = jsimd_extrgbx_ycc_convert_avx2; |
| sse2fct = jsimd_extrgbx_ycc_convert_sse2; |
| mmxfct = jsimd_extrgbx_ycc_convert_mmx; |
| break; |
| case JCS_EXT_BGR: |
| avx2fct = jsimd_extbgr_ycc_convert_avx2; |
| sse2fct = jsimd_extbgr_ycc_convert_sse2; |
| mmxfct = jsimd_extbgr_ycc_convert_mmx; |
| break; |
| case JCS_EXT_BGRX: |
| case JCS_EXT_BGRA: |
| avx2fct = jsimd_extbgrx_ycc_convert_avx2; |
| sse2fct = jsimd_extbgrx_ycc_convert_sse2; |
| mmxfct = jsimd_extbgrx_ycc_convert_mmx; |
| break; |
| case JCS_EXT_XBGR: |
| case JCS_EXT_ABGR: |
| avx2fct = jsimd_extxbgr_ycc_convert_avx2; |
| sse2fct = jsimd_extxbgr_ycc_convert_sse2; |
| mmxfct = jsimd_extxbgr_ycc_convert_mmx; |
| break; |
| case JCS_EXT_XRGB: |
| case JCS_EXT_ARGB: |
| avx2fct = jsimd_extxrgb_ycc_convert_avx2; |
| sse2fct = jsimd_extxrgb_ycc_convert_sse2; |
| mmxfct = jsimd_extxrgb_ycc_convert_mmx; |
| break; |
| default: |
| avx2fct = jsimd_rgb_ycc_convert_avx2; |
| sse2fct = jsimd_rgb_ycc_convert_sse2; |
| mmxfct = jsimd_rgb_ycc_convert_mmx; |
| break; |
| } |
| |
| if (simd_support & JSIMD_AVX2) |
| avx2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows); |
| else if (simd_support & JSIMD_SSE2) |
| sse2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows); |
| else |
| mmxfct(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 (*avx2fct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); |
| void (*sse2fct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); |
| void (*mmxfct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); |
| |
| switch (cinfo->in_color_space) { |
| case JCS_EXT_RGB: |
| avx2fct = jsimd_extrgb_gray_convert_avx2; |
| sse2fct = jsimd_extrgb_gray_convert_sse2; |
| mmxfct = jsimd_extrgb_gray_convert_mmx; |
| break; |
| case JCS_EXT_RGBX: |
| case JCS_EXT_RGBA: |
| avx2fct = jsimd_extrgbx_gray_convert_avx2; |
| sse2fct = jsimd_extrgbx_gray_convert_sse2; |
| mmxfct = jsimd_extrgbx_gray_convert_mmx; |
| break; |
| case JCS_EXT_BGR: |
| avx2fct = jsimd_extbgr_gray_convert_avx2; |
| sse2fct = jsimd_extbgr_gray_convert_sse2; |
| mmxfct = jsimd_extbgr_gray_convert_mmx; |
| break; |
| case JCS_EXT_BGRX: |
| case JCS_EXT_BGRA: |
| avx2fct = jsimd_extbgrx_gray_convert_avx2; |
| sse2fct = jsimd_extbgrx_gray_convert_sse2; |
| mmxfct = jsimd_extbgrx_gray_convert_mmx; |
| break; |
| case JCS_EXT_XBGR: |
| case JCS_EXT_ABGR: |
| avx2fct = jsimd_extxbgr_gray_convert_avx2; |
| sse2fct = jsimd_extxbgr_gray_convert_sse2; |
| mmxfct = jsimd_extxbgr_gray_convert_mmx; |
| break; |
| case JCS_EXT_XRGB: |
| case JCS_EXT_ARGB: |
| avx2fct = jsimd_extxrgb_gray_convert_avx2; |
| sse2fct = jsimd_extxrgb_gray_convert_sse2; |
| mmxfct = jsimd_extxrgb_gray_convert_mmx; |
| break; |
| default: |
| avx2fct = jsimd_rgb_gray_convert_avx2; |
| sse2fct = jsimd_rgb_gray_convert_sse2; |
| mmxfct = jsimd_rgb_gray_convert_mmx; |
| break; |
| } |
| |
| if (simd_support & JSIMD_AVX2) |
| avx2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows); |
| else if (simd_support & JSIMD_SSE2) |
| sse2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows); |
| else |
| 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 (*avx2fct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); |
| void (*sse2fct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); |
| void (*mmxfct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); |
| |
| switch (cinfo->out_color_space) { |
| case JCS_EXT_RGB: |
| avx2fct = jsimd_ycc_extrgb_convert_avx2; |
| sse2fct = jsimd_ycc_extrgb_convert_sse2; |
| mmxfct = jsimd_ycc_extrgb_convert_mmx; |
| break; |
| case JCS_EXT_RGBX: |
| case JCS_EXT_RGBA: |
| avx2fct = jsimd_ycc_extrgbx_convert_avx2; |
| sse2fct = jsimd_ycc_extrgbx_convert_sse2; |
| mmxfct = jsimd_ycc_extrgbx_convert_mmx; |
| break; |
| case JCS_EXT_BGR: |
| avx2fct = jsimd_ycc_extbgr_convert_avx2; |
| sse2fct = jsimd_ycc_extbgr_convert_sse2; |
| mmxfct = jsimd_ycc_extbgr_convert_mmx; |
| break; |
| case JCS_EXT_BGRX: |
| case JCS_EXT_BGRA: |
| avx2fct = jsimd_ycc_extbgrx_convert_avx2; |
| sse2fct = jsimd_ycc_extbgrx_convert_sse2; |
| mmxfct = jsimd_ycc_extbgrx_convert_mmx; |
| break; |
| case JCS_EXT_XBGR: |
| case JCS_EXT_ABGR: |
| avx2fct = jsimd_ycc_extxbgr_convert_avx2; |
| sse2fct = jsimd_ycc_extxbgr_convert_sse2; |
| mmxfct = jsimd_ycc_extxbgr_convert_mmx; |
| break; |
| case JCS_EXT_XRGB: |
| case JCS_EXT_ARGB: |
| avx2fct = jsimd_ycc_extxrgb_convert_avx2; |
| sse2fct = jsimd_ycc_extxrgb_convert_sse2; |
| mmxfct = jsimd_ycc_extxrgb_convert_mmx; |
| break; |
| default: |
| avx2fct = jsimd_ycc_rgb_convert_avx2; |
| sse2fct = jsimd_ycc_rgb_convert_sse2; |
| mmxfct = jsimd_ycc_rgb_convert_mmx; |
| break; |
| } |
| |
| if (simd_support & JSIMD_AVX2) |
| avx2fct(cinfo->output_width, input_buf, input_row, output_buf, num_rows); |
| else if (simd_support & JSIMD_SSE2) |
| sse2fct(cinfo->output_width, input_buf, input_row, output_buf, num_rows); |
| else |
| mmxfct(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(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_AVX2) |
| return 1; |
| 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_AVX2) |
| return 1; |
| 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_AVX2) |
| jsimd_h2v2_downsample_avx2(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_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 |
| 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_AVX2) |
| jsimd_h2v1_downsample_avx2(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_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 |
| 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_AVX2) |
| return 1; |
| 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_AVX2) |
| return 1; |
| 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_AVX2) |
| jsimd_h2v2_upsample_avx2(cinfo->max_v_samp_factor, cinfo->output_width, |
| input_data, output_data_ptr); |
| else if (simd_support & JSIMD_SSE2) |
| jsimd_h2v2_upsample_sse2(cinfo->max_v_samp_factor, cinfo->output_width, |
| input_data, output_data_ptr); |
| else |
| 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_AVX2) |
| jsimd_h2v1_upsample_avx2(cinfo->max_v_samp_factor, cinfo->output_width, |
| input_data, output_data_ptr); |
| else if (simd_support & JSIMD_SSE2) |
| jsimd_h2v1_upsample_sse2(cinfo->max_v_samp_factor, cinfo->output_width, |
| input_data, output_data_ptr); |
| else |
| 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_AVX2) && |
| IS_ALIGNED_AVX(jconst_fancy_upsample_avx2)) |
| return 1; |
| 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_AVX2) && |
| IS_ALIGNED_AVX(jconst_fancy_upsample_avx2)) |
| return 1; |
| 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_AVX2) |
| jsimd_h2v2_fancy_upsample_avx2(cinfo->max_v_samp_factor, |
| compptr->downsampled_width, input_data, |
| output_data_ptr); |
| else if (simd_support & JSIMD_SSE2) |
| jsimd_h2v2_fancy_upsample_sse2(cinfo->max_v_samp_factor, |
| compptr->downsampled_width, input_data, |
| output_data_ptr); |
| else |
| 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_AVX2) |
| jsimd_h2v1_fancy_upsample_avx2(cinfo->max_v_samp_factor, |
| compptr->downsampled_width, input_data, |
| output_data_ptr); |
| else if (simd_support & JSIMD_SSE2) |
| jsimd_h2v1_fancy_upsample_sse2(cinfo->max_v_samp_factor, |
| compptr->downsampled_width, input_data, |
| output_data_ptr); |
| else |
| 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_AVX2) && |
| IS_ALIGNED_AVX(jconst_merged_upsample_avx2)) |
| return 1; |
| 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_AVX2) && |
| IS_ALIGNED_AVX(jconst_merged_upsample_avx2)) |
| return 1; |
| 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 (*avx2fct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); |
| void (*sse2fct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); |
| void (*mmxfct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); |
| |
| switch (cinfo->out_color_space) { |
| case JCS_EXT_RGB: |
| avx2fct = jsimd_h2v2_extrgb_merged_upsample_avx2; |
| sse2fct = jsimd_h2v2_extrgb_merged_upsample_sse2; |
| mmxfct = jsimd_h2v2_extrgb_merged_upsample_mmx; |
| break; |
| case JCS_EXT_RGBX: |
| case JCS_EXT_RGBA: |
| avx2fct = jsimd_h2v2_extrgbx_merged_upsample_avx2; |
| sse2fct = jsimd_h2v2_extrgbx_merged_upsample_sse2; |
| mmxfct = jsimd_h2v2_extrgbx_merged_upsample_mmx; |
| break; |
| case JCS_EXT_BGR: |
| avx2fct = jsimd_h2v2_extbgr_merged_upsample_avx2; |
| sse2fct = jsimd_h2v2_extbgr_merged_upsample_sse2; |
| mmxfct = jsimd_h2v2_extbgr_merged_upsample_mmx; |
| break; |
| case JCS_EXT_BGRX: |
| case JCS_EXT_BGRA: |
| avx2fct = jsimd_h2v2_extbgrx_merged_upsample_avx2; |
| sse2fct = jsimd_h2v2_extbgrx_merged_upsample_sse2; |
| mmxfct = jsimd_h2v2_extbgrx_merged_upsample_mmx; |
| break; |
| case JCS_EXT_XBGR: |
| case JCS_EXT_ABGR: |
| avx2fct = jsimd_h2v2_extxbgr_merged_upsample_avx2; |
| sse2fct = jsimd_h2v2_extxbgr_merged_upsample_sse2; |
| mmxfct = jsimd_h2v2_extxbgr_merged_upsample_mmx; |
| break; |
| case JCS_EXT_XRGB: |
| case JCS_EXT_ARGB: |
| avx2fct = jsimd_h2v2_extxrgb_merged_upsample_avx2; |
| sse2fct = jsimd_h2v2_extxrgb_merged_upsample_sse2; |
| mmxfct = jsimd_h2v2_extxrgb_merged_upsample_mmx; |
| break; |
| default: |
| avx2fct = jsimd_h2v2_merged_upsample_avx2; |
| sse2fct = jsimd_h2v2_merged_upsample_sse2; |
| mmxfct = jsimd_h2v2_merged_upsample_mmx; |
| break; |
| } |
| |
| if (simd_support & JSIMD_AVX2) |
| avx2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf); |
| else if (simd_support & JSIMD_SSE2) |
| sse2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf); |
| else |
| 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 (*avx2fct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); |
| void (*sse2fct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); |
| void (*mmxfct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); |
| |
| switch (cinfo->out_color_space) { |
| case JCS_EXT_RGB: |
| avx2fct = jsimd_h2v1_extrgb_merged_upsample_avx2; |
| sse2fct = jsimd_h2v1_extrgb_merged_upsample_sse2; |
| mmxfct = jsimd_h2v1_extrgb_merged_upsample_mmx; |
| break; |
| case JCS_EXT_RGBX: |
| case JCS_EXT_RGBA: |
| avx2fct = jsimd_h2v1_extrgbx_merged_upsample_avx2; |
| sse2fct = jsimd_h2v1_extrgbx_merged_upsample_sse2; |
| mmxfct = jsimd_h2v1_extrgbx_merged_upsample_mmx; |
| break; |
| case JCS_EXT_BGR: |
| avx2fct = jsimd_h2v1_extbgr_merged_upsample_avx2; |
| sse2fct = jsimd_h2v1_extbgr_merged_upsample_sse2; |
| mmxfct = jsimd_h2v1_extbgr_merged_upsample_mmx; |
| break; |
| case JCS_EXT_BGRX: |
| case JCS_EXT_BGRA: |
| avx2fct = jsimd_h2v1_extbgrx_merged_upsample_avx2; |
| sse2fct = jsimd_h2v1_extbgrx_merged_upsample_sse2; |
| mmxfct = jsimd_h2v1_extbgrx_merged_upsample_mmx; |
| break; |
| case JCS_EXT_XBGR: |
| case JCS_EXT_ABGR: |
| avx2fct = jsimd_h2v1_extxbgr_merged_upsample_avx2; |
| sse2fct = jsimd_h2v1_extxbgr_merged_upsample_sse2; |
| mmxfct = jsimd_h2v1_extxbgr_merged_upsample_mmx; |
| break; |
| case JCS_EXT_XRGB: |
| case JCS_EXT_ARGB: |
| avx2fct = jsimd_h2v1_extxrgb_merged_upsample_avx2; |
| sse2fct = jsimd_h2v1_extxrgb_merged_upsample_sse2; |
| mmxfct = jsimd_h2v1_extxrgb_merged_upsample_mmx; |
| break; |
| default: |
| avx2fct = jsimd_h2v1_merged_upsample_avx2; |
| sse2fct = jsimd_h2v1_merged_upsample_sse2; |
| mmxfct = jsimd_h2v1_merged_upsample_mmx; |
| break; |
| } |
| |
| if (simd_support & JSIMD_AVX2) |
| avx2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf); |
| else if (simd_support & JSIMD_SSE2) |
| sse2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf); |
| else |
| 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_AVX2) |
| return 1; |
| 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_AVX2) |
| jsimd_convsamp_avx2(sample_data, start_col, workspace); |
| else if (simd_support & JSIMD_SSE2) |
| jsimd_convsamp_sse2(sample_data, start_col, workspace); |
| else |
| 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 |
| 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_AVX2) && IS_ALIGNED_AVX(jconst_fdct_islow_avx2)) |
| return 1; |
| 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_AVX2) |
| jsimd_fdct_islow_avx2(data); |
| else if (simd_support & JSIMD_SSE2) |
| jsimd_fdct_islow_sse2(data); |
| else |
| 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 |
| 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_AVX2) |
| return 1; |
| 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_AVX2) |
| jsimd_quantize_avx2(coef_block, divisors, workspace); |
| else if (simd_support & JSIMD_SSE2) |
| jsimd_quantize_sse2(coef_block, divisors, workspace); |
| else |
| 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 |
| 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 |
| 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 |
| 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_AVX2) && IS_ALIGNED_AVX(jconst_idct_islow_avx2)) |
| return 1; |
| 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_AVX2) |
| jsimd_idct_islow_avx2(compptr->dct_table, coef_block, output_buf, |
| output_col); |
| else if (simd_support & JSIMD_SSE2) |
| jsimd_idct_islow_sse2(compptr->dct_table, coef_block, output_buf, |
| output_col); |
| else |
| 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 |
| 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 |
| jsimd_idct_float_3dnow(compptr->dct_table, coef_block, output_buf, |
| output_col); |
| } |
| |
| GLOBAL(int) |
| jsimd_can_huff_encode_one_block(void) |
| { |
| init_simd(); |
| |
| if (DCTSIZE != 8) |
| return 0; |
| if (sizeof(JCOEF) != 2) |
| return 0; |
| |
| if ((simd_support & JSIMD_SSE2) && simd_huffman && |
| IS_ALIGNED_SSE(jconst_huff_encode_one_block)) |
| return 1; |
| |
| 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 jsimd_huff_encode_one_block_sse2(state, buffer, block, last_dc_val, |
| dctbl, actbl); |
| } |
| |
| GLOBAL(int) |
| jsimd_can_encode_mcu_AC_first_prepare(void) |
| { |
| init_simd(); |
| |
| if (DCTSIZE != 8) |
| return 0; |
| if (sizeof(JCOEF) != 2) |
| return 0; |
| if (SIZEOF_SIZE_T != 4) |
| return 0; |
| if (simd_support & JSIMD_SSE2) |
| return 1; |
| |
| return 0; |
| } |
| |
| GLOBAL(void) |
| jsimd_encode_mcu_AC_first_prepare(const JCOEF *block, |
| const int *jpeg_natural_order_start, int Sl, |
| int Al, JCOEF *values, size_t *zerobits) |
| { |
| jsimd_encode_mcu_AC_first_prepare_sse2(block, jpeg_natural_order_start, |
| Sl, Al, values, zerobits); |
| } |
| |
| GLOBAL(int) |
| jsimd_can_encode_mcu_AC_refine_prepare(void) |
| { |
| init_simd(); |
| |
| if (DCTSIZE != 8) |
| return 0; |
| if (sizeof(JCOEF) != 2) |
| return 0; |
| if (SIZEOF_SIZE_T != 4) |
| return 0; |
| if (simd_support & JSIMD_SSE2) |
| return 1; |
| |
| return 0; |
| } |
| |
| GLOBAL(int) |
| jsimd_encode_mcu_AC_refine_prepare(const JCOEF *block, |
| const int *jpeg_natural_order_start, int Sl, |
| int Al, JCOEF *absvalues, size_t *bits) |
| { |
| return jsimd_encode_mcu_AC_refine_prepare_sse2(block, |
| jpeg_natural_order_start, |
| Sl, Al, absvalues, bits); |
| } |
