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IJG R6b with x86SIMD V1.02

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Independent JPEG Group's JPEG software release 6b
with x86 SIMD extension for IJG JPEG library version 1.02
This commit is contained in:
MIYASAKA Masaru
2006-02-04 00:00:00 +00:00
committed by DRC
parent 5ead57a34a
commit a2e6a9dd47
156 changed files with 49018 additions and 4283 deletions
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162
jddctmgr.c
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@@ -5,6 +5,13 @@
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
*
* ---------------------------------------------------------------------
* x86 SIMD extension for IJG JPEG library
* Copyright (C) 1999-2006, MIYASAKA Masaru.
* This file has been modified for SIMD extension.
* Last Modified : December 24, 2005
* ---------------------------------------------------------------------
*
* This file contains the inverse-DCT management logic.
* This code selects a particular IDCT implementation to be used,
* and it performs related housekeeping chores. No code in this file
@@ -94,6 +101,7 @@ start_pass (j_decompress_ptr cinfo)
int method = 0;
inverse_DCT_method_ptr method_ptr = NULL;
JQUANT_TBL * qtbl;
unsigned int simd = jpeg_simd_support((j_common_ptr) cinfo);
for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;
ci++, compptr++) {
@@ -105,34 +113,95 @@ start_pass (j_decompress_ptr cinfo)
method = JDCT_ISLOW; /* jidctred uses islow-style table */
break;
case 2:
method_ptr = jpeg_idct_2x2;
#ifdef JIDCT_INT_SSE2_SUPPORTED
if (simd & JSIMD_SSE2 &&
IS_CONST_ALIGNED_16(jconst_idct_red_sse2))
method_ptr = jpeg_idct_2x2_sse2;
else
#endif
#ifdef JIDCT_INT_MMX_SUPPORTED
if (simd & JSIMD_MMX)
method_ptr = jpeg_idct_2x2_mmx;
else
#endif
method_ptr = jpeg_idct_2x2;
method = JDCT_ISLOW; /* jidctred uses islow-style table */
break;
case 4:
method_ptr = jpeg_idct_4x4;
#ifdef JIDCT_INT_SSE2_SUPPORTED
if (simd & JSIMD_SSE2 &&
IS_CONST_ALIGNED_16(jconst_idct_red_sse2))
method_ptr = jpeg_idct_4x4_sse2;
else
#endif
#ifdef JIDCT_INT_MMX_SUPPORTED
if (simd & JSIMD_MMX)
method_ptr = jpeg_idct_4x4_mmx;
else
#endif
method_ptr = jpeg_idct_4x4;
method = JDCT_ISLOW; /* jidctred uses islow-style table */
break;
#endif
#endif /* IDCT_SCALING_SUPPORTED */
case DCTSIZE:
switch (cinfo->dct_method) {
#ifdef DCT_ISLOW_SUPPORTED
case JDCT_ISLOW:
method_ptr = jpeg_idct_islow;
#ifdef JIDCT_INT_SSE2_SUPPORTED
if (simd & JSIMD_SSE2 &&
IS_CONST_ALIGNED_16(jconst_idct_islow_sse2))
method_ptr = jpeg_idct_islow_sse2;
else
#endif
#ifdef JIDCT_INT_MMX_SUPPORTED
if (simd & JSIMD_MMX)
method_ptr = jpeg_idct_islow_mmx;
else
#endif
method_ptr = jpeg_idct_islow;
method = JDCT_ISLOW;
break;
#endif
#endif /* DCT_ISLOW_SUPPORTED */
#ifdef DCT_IFAST_SUPPORTED
case JDCT_IFAST:
method_ptr = jpeg_idct_ifast;
#ifdef JIDCT_INT_SSE2_SUPPORTED
if (simd & JSIMD_SSE2 &&
IS_CONST_ALIGNED_16(jconst_idct_ifast_sse2))
method_ptr = jpeg_idct_ifast_sse2;
else
#endif
#ifdef JIDCT_INT_MMX_SUPPORTED
if (simd & JSIMD_MMX)
method_ptr = jpeg_idct_ifast_mmx;
else
#endif
method_ptr = jpeg_idct_ifast;
method = JDCT_IFAST;
break;
#endif
#endif /* DCT_IFAST_SUPPORTED */
#ifdef DCT_FLOAT_SUPPORTED
case JDCT_FLOAT:
method_ptr = jpeg_idct_float;
#ifdef JIDCT_FLT_SSE_SSE2_SUPPORTED
if (simd & JSIMD_SSE && simd & JSIMD_SSE2 &&
IS_CONST_ALIGNED_16(jconst_idct_float_sse2))
method_ptr = jpeg_idct_float_sse2;
else
#endif
#ifdef JIDCT_FLT_SSE_MMX_SUPPORTED
if (simd & JSIMD_SSE &&
IS_CONST_ALIGNED_16(jconst_idct_float_sse))
method_ptr = jpeg_idct_float_sse;
else
#endif
#ifdef JIDCT_FLT_3DNOW_MMX_SUPPORTED
if (simd & JSIMD_3DNOW)
method_ptr = jpeg_idct_float_3dnow;
else
#endif
method_ptr = jpeg_idct_float;
method = JDCT_FLOAT;
break;
#endif
#endif /* DCT_FLOAT_SUPPORTED */
default:
ERREXIT(cinfo, JERR_NOT_COMPILED);
break;
@@ -267,3 +336,78 @@ jinit_inverse_dct (j_decompress_ptr cinfo)
idct->cur_method[ci] = -1;
}
}
#ifndef JSIMD_MODEINFO_NOT_SUPPORTED
GLOBAL(unsigned int)
jpeg_simd_inverse_dct (j_decompress_ptr cinfo, int method)
{
unsigned int simd = jpeg_simd_support((j_common_ptr) cinfo);
switch (method) {
#ifdef DCT_ISLOW_SUPPORTED
case JDCT_ISLOW:
#ifdef JIDCT_INT_SSE2_SUPPORTED
if (simd & JSIMD_SSE2 &&
IS_CONST_ALIGNED_16(jconst_idct_islow_sse2))
return JSIMD_SSE2;
#endif
#ifdef JIDCT_INT_MMX_SUPPORTED
if (simd & JSIMD_MMX)
return JSIMD_MMX;
#endif
return JSIMD_NONE;
#endif /* DCT_ISLOW_SUPPORTED */
#ifdef DCT_IFAST_SUPPORTED
case JDCT_IFAST:
#ifdef JIDCT_INT_SSE2_SUPPORTED
if (simd & JSIMD_SSE2 &&
IS_CONST_ALIGNED_16(jconst_idct_ifast_sse2))
return JSIMD_SSE2;
#endif
#ifdef JIDCT_INT_MMX_SUPPORTED
if (simd & JSIMD_MMX)
return JSIMD_MMX;
#endif
return JSIMD_NONE;
#endif /* DCT_IFAST_SUPPORTED */
#ifdef DCT_FLOAT_SUPPORTED
case JDCT_FLOAT:
#ifdef JIDCT_FLT_SSE_SSE2_SUPPORTED
if (simd & JSIMD_SSE && simd & JSIMD_SSE2 &&
IS_CONST_ALIGNED_16(jconst_idct_float_sse2))
return JSIMD_SSE; /* (JSIMD_SSE | JSIMD_SSE2); */
#endif
#ifdef JIDCT_FLT_SSE_MMX_SUPPORTED
if (simd & JSIMD_SSE &&
IS_CONST_ALIGNED_16(jconst_idct_float_sse))
return JSIMD_SSE; /* (JSIMD_SSE | JSIMD_MMX); */
#endif
#ifdef JIDCT_FLT_3DNOW_MMX_SUPPORTED
if (simd & JSIMD_3DNOW)
return JSIMD_3DNOW; /* (JSIMD_3DNOW | JSIMD_MMX); */
#endif
return JSIMD_NONE;
#endif /* DCT_FLOAT_SUPPORTED */
#ifdef IDCT_SCALING_SUPPORTED
case JDCT_FLOAT + 1:
#ifdef JIDCT_INT_SSE2_SUPPORTED
if (simd & JSIMD_SSE2 &&
IS_CONST_ALIGNED_16(jconst_idct_red_sse2))
return JSIMD_SSE2;
#endif
#ifdef JIDCT_INT_MMX_SUPPORTED
if (simd & JSIMD_MMX)
return JSIMD_MMX;
#endif
return JSIMD_NONE;
#endif /* IDCT_SCALING_SUPPORTED */
default:
;
}
return JSIMD_NONE; /* not compiled */
}
#endif /* !JSIMD_MODEINFO_NOT_SUPPORTED */