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/*
* simd/jsimd.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.
*
*/
/* Bitmask for supported acceleration methods */
#define JSIMD_NONE 0x00
#define JSIMD_MMX 0x01
/* Short forms of external names for systems with brain-damaged linkers. */
#ifdef NEED_SHORT_EXTERNAL_NAMES
#define jpeg_simd_cpu_support jSiCpuSupport
#define jsimd_rgb_ycc_convert_mmx jSRGBYCCM
#define jsimd_ycc_rgb_convert_mmx jSYCCRGBM
#define jsimd_h2v2_downsample_mmx jSDnH2V2M
#define jsimd_h2v1_downsample_mmx jSDnH2V1M
#define jsimd_h2v2_upsample_mmx jSUpH2V2M
#define jsimd_h2v1_upsample_mmx jSUpH2V1M
#define jsimd_h2v2_fancy_upsample_mmx jSFUpH2V2M
#define jsimd_h2v1_fancy_upsample_mmx jSFUpH2V1M
#define jsimd_h2v2_merged_upsample_mmx jSMUpH2V2M
#define jsimd_h2v1_merged_upsample_mmx jSMUpH2V1M
#define jsimd_convsamp_mmx jSConvM
#define jsimd_fdct_islow_mmx jSFDMIS
#define jsimd_fdct_ifast_mmx jSFDMIF
#define jsimd_quantize_mmx jSQuantM
#define jsimd_idct_2x2_mmx jSIDM22
#define jsimd_idct_4x4_mmx jSIDM44
#define jsimd_idct_islow_mmx jSIDMIS
#define jsimd_idct_ifast_mmx jSIDMIF
#endif /* NEED_SHORT_EXTERNAL_NAMES */
/* SIMD Ext: retrieve SIMD/CPU information */
EXTERN(unsigned int) jpeg_simd_cpu_support JPP((void));
/* SIMD Color Space Conversion */
EXTERN(void) jsimd_rgb_ycc_convert_mmx
JPP((JDIMENSION img_width,
JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
JDIMENSION output_row, int num_rows));
EXTERN(void) jsimd_ycc_rgb_convert_mmx
JPP((JDIMENSION out_width,
JSAMPIMAGE input_buf, JDIMENSION input_row,
JSAMPARRAY output_buf, int num_rows));
/* SIMD Downsample */
EXTERN(void) jsimd_h2v2_downsample_mmx
JPP((JDIMENSION image_width, int max_v_samp_factor,
JDIMENSION v_samp_factor, JDIMENSION width_blocks,
JSAMPARRAY input_data, JSAMPARRAY output_data));
EXTERN(void) jsimd_h2v1_downsample_mmx
JPP((JDIMENSION image_width, int max_v_samp_factor,
JDIMENSION v_samp_factor, JDIMENSION width_blocks,
JSAMPARRAY input_data, JSAMPARRAY output_data));
/* SIMD Upsample */
EXTERN(void) jsimd_h2v2_upsample_mmx
JPP((int max_v_samp_factor, JDIMENSION output_width,
JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr));
EXTERN(void) jsimd_h2v1_upsample_mmx
JPP((int max_v_samp_factor, JDIMENSION output_width,
JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr));
EXTERN(void) jsimd_h2v2_fancy_upsample_mmx
JPP((int max_v_samp_factor, JDIMENSION downsampled_width,
JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr));
EXTERN(void) jsimd_h2v1_fancy_upsample_mmx
JPP((int max_v_samp_factor, JDIMENSION downsampled_width,
JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr));
EXTERN(void) jsimd_h2v2_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
/* SIMD Sample Conversion */
EXTERN(void) jsimd_convsamp_mmx JPP((JSAMPARRAY sample_data,
JDIMENSION start_col,
DCTELEM * workspace));
/* SIMD Forward DCT */
EXTERN(void) jsimd_fdct_islow_mmx JPP((DCTELEM * data));
EXTERN(void) jsimd_fdct_ifast_mmx JPP((DCTELEM * data));
/* SIMD Quantization */
EXTERN(void) jsimd_quantize_mmx JPP((JCOEFPTR coef_block,
DCTELEM * divisors,
DCTELEM * workspace));
/* SIMD Reduced Inverse DCT */
EXTERN(void) jsimd_idct_2x2_mmx JPP((void * dct_table,
JCOEFPTR coef_block,
JSAMPARRAY output_buf,
JDIMENSION output_col));
EXTERN(void) jsimd_idct_4x4_mmx JPP((void * dct_table,
JCOEFPTR coef_block,
JSAMPARRAY output_buf,
JDIMENSION output_col));
/* SIMD Inverse DCT */
EXTERN(void) jsimd_idct_islow_mmx JPP((void * dct_table,
JCOEFPTR coef_block,
JSAMPARRAY output_buf,
JDIMENSION output_col));
EXTERN(void) jsimd_idct_ifast_mmx JPP((void * dct_table,
JCOEFPTR coef_block,
JSAMPARRAY output_buf,
JDIMENSION output_col));
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