2xsai.c File Reference

#include "softfilter.h"
#include <stdlib.h>
#include <string.h>

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Classes
struct	softfilter_thread_data
struct	filter_data

Macros
#define	TWOXSAI_SCALE   2
#define	twoxsai_interpolate_xrgb8888(A, B)   ((((A) & 0xFEFEFEFE) >> 1) + (((B) & 0xFEFEFEFE) >> 1) + ((A) & (B) & 0x01010101))
#define	twoxsai_interpolate2_xrgb8888(A, B, C, D)   ((((A) & 0xFCFCFCFC) >> 2) + (((B) & 0xFCFCFCFC) >> 2) + (((C) & 0xFCFCFCFC) >> 2) + (((D) & 0xFCFCFCFC) >> 2) + (((((A) & 0x03030303) + ((B) & 0x03030303) + ((C) & 0x03030303) + ((D) & 0x03030303)) >> 2) & 0x03030303))
#define	twoxsai_interpolate_rgb565(A, B)   ((((A) & 0xF7DE) >> 1) + (((B) & 0xF7DE) >> 1) + ((A) & (B) & 0x0821))
#define	twoxsai_interpolate2_rgb565(A, B, C, D)   ((((A) & 0xE79C) >> 2) + (((B) & 0xE79C) >> 2) + (((C) & 0xE79C) >> 2) + (((D) & 0xE79C) >> 2) + (((((A) & 0x1863) + ((B) & 0x1863) + ((C) & 0x1863) + ((D) & 0x1863)) >> 2) & 0x1863))
#define	twoxsai_interpolate_4444(A, B)   (((A & 0xEEEE) >> 1) + ((B & 0xEEEE) >> 1) + (A & B & 0x1111))
#define	twoxsai_interpolate2_4444(A, B, C, D)   (((A & 0xCCCC) >> 2) + ((B & 0xCCCC) >> 2) + ((C & 0xCCCC) >> 2) + ((D & 0xCCCC) >> 2) + ((((A & 0x3333) + (B & 0x3333) + (C & 0x3333) + (D & 0x3333)) >> 2) & 0x3333))
#define	twoxsai_result(A, B, C, D)   (((A) != (C) || (A) != (D)) - ((B) != (C) || (B) != (D)));
#define	twoxsai_declare_variables(typename_t, in, nextline)
#define	twoxsai_function(result_cb, interpolate_cb, interpolate2_cb)

Functions
static unsigned	twoxsai_generic_input_fmts (void)
static unsigned	twoxsai_generic_output_fmts (unsigned input_fmts)
static unsigned	twoxsai_generic_threads (void *data)
static void *	twoxsai_generic_create (const struct softfilter_config *config, unsigned in_fmt, unsigned out_fmt, unsigned max_width, unsigned max_height, unsigned threads, softfilter_simd_mask_t simd, void *userdata)
static void	twoxsai_generic_output (void *data, unsigned *out_width, unsigned *out_height, unsigned width, unsigned height)
static void	twoxsai_generic_destroy (void *data)
static void	twoxsai_generic_xrgb8888 (unsigned width, unsigned height, int first, int last, uint32_t *src, unsigned src_stride, uint32_t *dst, unsigned dst_stride)
static void	twoxsai_generic_rgb565 (unsigned width, unsigned height, int first, int last, uint16_t *src, unsigned src_stride, uint16_t *dst, unsigned dst_stride)
static void	twoxsai_work_cb_rgb565 (void *data, void *thread_data)
static void	twoxsai_work_cb_xrgb8888 (void *data, void *thread_data)
static void	twoxsai_generic_packets (void *data, struct softfilter_work_packet *packets, void *output, size_t output_stride, const void *input, unsigned width, unsigned height, size_t input_stride)
const struct softfilter_implementation *	softfilter_get_implementation (softfilter_simd_mask_t simd)

Variables
static const struct softfilter_implementation	twoxsai_generic

Macro Definition Documentation

twoxsai_declare_variables

#define twoxsai_declare_variables	(		typename_t,
			in,
			nextline
	)

Value:

typename_t product, product1, product2; \
         typename_t colorI = *(in - nextline - 1); \
         typename_t colorE = *(in - nextline + 0); \
         typename_t colorF = *(in - nextline + 1); \
         typename_t colorJ = *(in - nextline + 2); \
         typename_t colorG = *(in - 1); \
         typename_t colorA = *(in + 0); \
         typename_t colorB = *(in + 1); \
         typename_t colorK = *(in + 2); \
         typename_t colorH = *(in + nextline - 1); \
         typename_t colorC = *(in + nextline + 0); \
         typename_t colorD = *(in + nextline + 1); \
         typename_t colorL = *(in + nextline + 2); \
         typename_t colorM = *(in + nextline + nextline - 1); \
         typename_t colorN = *(in + nextline + nextline + 0); \
         typename_t colorO = *(in + nextline + nextline + 1);

twoxsai_function

#define twoxsai_function	(		result_cb,
			interpolate_cb,
			interpolate2_cb
	)

twoxsai_interpolate2_4444

#define twoxsai_interpolate2_4444	(		A,
			B,
			C,
			D
	)		(((A & 0xCCCC) >> 2) + ((B & 0xCCCC) >> 2) + ((C & 0xCCCC) >> 2) + ((D & 0xCCCC) >> 2) + ((((A & 0x3333) + (B & 0x3333) + (C & 0x3333) + (D & 0x3333)) >> 2) & 0x3333))

twoxsai_interpolate2_rgb565

#define twoxsai_interpolate2_rgb565	(		A,
			B,
			C,
			D
	)		((((A) & 0xE79C) >> 2) + (((B) & 0xE79C) >> 2) + (((C) & 0xE79C) >> 2) + (((D) & 0xE79C) >> 2) + (((((A) & 0x1863) + ((B) & 0x1863) + ((C) & 0x1863) + ((D) & 0x1863)) >> 2) & 0x1863))

twoxsai_interpolate2_xrgb8888

#define twoxsai_interpolate2_xrgb8888	(		A,
			B,
			C,
			D
	)		((((A) & 0xFCFCFCFC) >> 2) + (((B) & 0xFCFCFCFC) >> 2) + (((C) & 0xFCFCFCFC) >> 2) + (((D) & 0xFCFCFCFC) >> 2) + (((((A) & 0x03030303) + ((B) & 0x03030303) + ((C) & 0x03030303) + ((D) & 0x03030303)) >> 2) & 0x03030303))

twoxsai_interpolate_4444

#define twoxsai_interpolate_4444	(		A,
			B
	)		(((A & 0xEEEE) >> 1) + ((B & 0xEEEE) >> 1) + (A & B & 0x1111))

twoxsai_interpolate_rgb565

#define twoxsai_interpolate_rgb565	(		A,
			B
	)		((((A) & 0xF7DE) >> 1) + (((B) & 0xF7DE) >> 1) + ((A) & (B) & 0x0821))

twoxsai_interpolate_xrgb8888

#define twoxsai_interpolate_xrgb8888	(		A,
			B
	)		((((A) & 0xFEFEFEFE) >> 1) + (((B) & 0xFEFEFEFE) >> 1) + ((A) & (B) & 0x01010101))

twoxsai_result

#define twoxsai_result	(		A,
			B,
			C,
			D
	)		(((A) != (C) || (A) != (D)) - ((B) != (C) || (B) != (D)));

TWOXSAI_SCALE

#define TWOXSAI_SCALE   2

Function Documentation

softfilter_get_implementation()

const struct softfilter_implementation* softfilter_get_implementation

(

softfilter_simd_mask_t

simd

)

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twoxsai_generic_create()

static void* twoxsai_generic_create ( const struct softfilter_config *  config, unsigned  in_fmt, unsigned  out_fmt, unsigned  max_width, unsigned  max_height, unsigned  threads, softfilter_simd_mask_t  simd, void *  userdata  )

static

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twoxsai_generic_destroy()

static void twoxsai_generic_destroy ( void *  data )

static

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twoxsai_generic_input_fmts()

static unsigned twoxsai_generic_input_fmts ( void  )

static

twoxsai_generic_output()

static void twoxsai_generic_output ( void *  data, unsigned *  out_width, unsigned *  out_height, unsigned  width, unsigned  height  )

static

twoxsai_generic_output_fmts()

static unsigned twoxsai_generic_output_fmts ( unsigned  input_fmts )

static

twoxsai_generic_packets()

static void twoxsai_generic_packets ( void *  data, struct softfilter_work_packet *  packets, void *  output, size_t  output_stride, const void *  input, unsigned  width, unsigned  height, size_t  input_stride  )

static

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twoxsai_generic_rgb565()

static void twoxsai_generic_rgb565 ( unsigned  width, unsigned  height, int  first, int  last, uint16_t *  src, unsigned  src_stride, uint16_t *  dst, unsigned  dst_stride  )

static

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twoxsai_generic_threads()

static unsigned twoxsai_generic_threads ( void *  data )

static

twoxsai_generic_xrgb8888()

static void twoxsai_generic_xrgb8888 ( unsigned  width, unsigned  height, int  first, int  last, uint32_t *  src, unsigned  src_stride, uint32_t *  dst, unsigned  dst_stride  )

static

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twoxsai_work_cb_rgb565()

static void twoxsai_work_cb_rgb565 ( void *  data, void *  thread_data  )

static

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twoxsai_work_cb_xrgb8888()

static void twoxsai_work_cb_xrgb8888 ( void *  data, void *  thread_data  )

static

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Variable Documentation

twoxsai_generic

const struct softfilter_implementation twoxsai_generic

static

Initial value:

= {
   twoxsai_generic_input_fmts,
   twoxsai_generic_output_fmts,

   twoxsai_generic_create,
   twoxsai_generic_destroy,

   twoxsai_generic_threads,
   twoxsai_generic_output,
   twoxsai_generic_packets,
   SOFTFILTER_API_VERSION,
   "2xSaI",
   "2xsai",
}