diff options
author | ossman_ <ossman_@632fc199-4ca6-4c93-a231-07263d6284db> | 2009-03-09 13:15:56 +0000 |
---|---|---|
committer | ossman_ <ossman_@632fc199-4ca6-4c93-a231-07263d6284db> | 2009-03-09 13:15:56 +0000 |
commit | 0c228e147dda7909cc905e5742737ac4121b5af5 (patch) | |
tree | b3161bf8ffded04581c050b7670544eeed3c1c7b /jsimddct.h | |
parent | 93736b192df8f7ab045602aad46617fa43ee8d00 (diff) |
Framework for supporting SIMD acceleration
Designed to impose minimal changes on the "normal" code.
git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@14 632fc199-4ca6-4c93-a231-07263d6284db
Diffstat (limited to 'jsimddct.h')
-rw-r--r-- | jsimddct.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/jsimddct.h b/jsimddct.h new file mode 100644 index 0000000..d73d0c4 --- /dev/null +++ b/jsimddct.h @@ -0,0 +1,101 @@ +/* + * jsimddct.h + * + * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB + * + * Based on the x86 SIMD extension for IJG JPEG library, + * Copyright (C) 1999-2006, MIYASAKA Masaru. + * + */ + +/* Short forms of external names for systems with brain-damaged linkers. */ + +#ifdef NEED_SHORT_EXTERNAL_NAMES +#define jsimd_can_convsamp jSCanConv +#define jsimd_can_convsamp_float jSCanConvF +#define jsimd_convsamp jSConv +#define jsimd_convsamp_float jSConvF +#define jsimd_can_fdct_islow jSCanFDCTIS +#define jsimd_can_fdct_ifast jSCanFDCTIF +#define jsimd_can_fdct_float jSCanFDCTFl +#define jsimd_fdct_islow jSFDCTIS +#define jsimd_fdct_ifast jSFDCTIF +#define jsimd_fdct_float jSFDCTFl +#define jsimd_can_quantize jSCanQuant +#define jsimd_can_quantize_float jSCanQuantF +#define jsimd_quantize jSQuant +#define jsimd_quantize_float jSQuantF +#define jsimd_can_idct_2x2 jSCanIDCT22 +#define jsimd_can_idct_4x4 jSCanIDCT44 +#define jsimd_idct_2x2 jSIDCT22 +#define jsimd_idct_4x4 jSIDCT44 +#define jsimd_can_idct_islow jSCanIDCTIS +#define jsimd_can_idct_ifast jSCanIDCTIF +#define jsimd_can_idct_float jSCanIDCTFl +#define jsimd_idct_islow jSIDCTIS +#define jsimd_idct_ifast jSIDCTIF +#define jsimd_idct_float jSIDCTFl +#endif /* NEED_SHORT_EXTERNAL_NAMES */ + +EXTERN(int) jsimd_can_convsamp JPP((void)); +EXTERN(int) jsimd_can_convsamp_float JPP((void)); + +EXTERN(void) jsimd_convsamp JPP((JSAMPARRAY sample_data, + JDIMENSION start_col, + DCTELEM * workspace)); +EXTERN(void) jsimd_convsamp_float JPP((JSAMPARRAY sample_data, + JDIMENSION start_col, + FAST_FLOAT * workspace)); + +EXTERN(int) jsimd_can_fdct_islow JPP((void)); +EXTERN(int) jsimd_can_fdct_ifast JPP((void)); +EXTERN(int) jsimd_can_fdct_float JPP((void)); + +EXTERN(void) jsimd_fdct_islow JPP((DCTELEM * data)); +EXTERN(void) jsimd_fdct_ifast JPP((DCTELEM * data)); +EXTERN(void) jsimd_fdct_float JPP((FAST_FLOAT * data)); + +EXTERN(int) jsimd_can_quantize JPP((void)); +EXTERN(int) jsimd_can_quantize_float JPP((void)); + +EXTERN(void) jsimd_quantize JPP((JCOEFPTR coef_block, + DCTELEM * divisors, + DCTELEM * workspace)); +EXTERN(void) jsimd_quantize_float JPP((JCOEFPTR coef_block, + FAST_FLOAT * divisors, + FAST_FLOAT * workspace)); + +EXTERN(int) jsimd_can_idct_2x2 JPP((void)); +EXTERN(int) jsimd_can_idct_4x4 JPP((void)); + +EXTERN(void) jsimd_idct_2x2 JPP((j_decompress_ptr cinfo, + jpeg_component_info * compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, + JDIMENSION output_col)); +EXTERN(void) jsimd_idct_4x4 JPP((j_decompress_ptr cinfo, + jpeg_component_info * compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, + JDIMENSION output_col)); + +EXTERN(int) jsimd_can_idct_islow JPP((void)); +EXTERN(int) jsimd_can_idct_ifast JPP((void)); +EXTERN(int) jsimd_can_idct_float JPP((void)); + +EXTERN(void) jsimd_idct_islow JPP((j_decompress_ptr cinfo, + jpeg_component_info * compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, + JDIMENSION output_col)); +EXTERN(void) jsimd_idct_ifast JPP((j_decompress_ptr cinfo, + jpeg_component_info * compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, + JDIMENSION output_col)); +EXTERN(void) jsimd_idct_float JPP((j_decompress_ptr cinfo, + jpeg_component_info * compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, + JDIMENSION output_col)); + |