JPEG_DECODE_ONLY macro reintroduced to allow just the decode functions to be linked in

simd/jsimd_x86_64.c

 /*
  * jsimd_x86_64.c
  *
  * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
  * Copyright 2009-2011 D. R. Commander
- * 
+ *
  * 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
  * x86_64 architecture.
  */
 
 #define JPEG_INTERNALS
 #include "../jinclude.h"
 #include "../jpeglib.h"
 #include "../jsimd.h"
 #include "../jdct.h"
 #include "../jsimddct.h"
 #include "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) (((size_t)ptr & ((1 << order) - 1)) == 0)
 
 #define IS_ALIGNED_SSE(ptr) (IS_ALIGNED(ptr, 4)) /* 16 byte alignment */
 
+#ifndef JPEG_DECODE_ONLY
 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;
 }
+#endif
 
 GLOBAL(int)
 jsimd_can_rgb_gray (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))
@@ skipping 15 matching lines @@
     return 0;
   if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4))
     return 0;
 
   if (!IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2))
     return 0;
 
   return 1;
 }
 
+#ifndef JPEG_DECODE_ONLY
 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:
@@ skipping 18 matching lines @@
     case JCS_EXT_ARGB:
       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);
 }
+#endif
 
 GLOBAL(void)
 jsimd_rgb_gray_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)
   {
@@ skipping 59 matching lines @@
       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);
 }
 
+#ifndef JPEG_DECODE_ONLY
 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;
@@ skipping 25 matching lines @@
 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);
 }
+#endif
 
 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, 
+                     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, 
+                     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)
@@ skipping 20 matching lines @@
     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, 
+                           jpeg_component_info * compptr,
                            JSAMPARRAY input_data,
                            JSAMPARRAY * output_data_ptr)
 {
   jsimd_h2v2_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, 
+                           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)
@@ skipping 98 matching lines @@
       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);
 }
 
+#ifndef JPEG_DECODE_ONLY
 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;
@@ skipping 130 matching lines @@
 {
   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);
 }
+#endif
 
 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)
@@ skipping 130 matching lines @@
 
 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);
 }