ascii_simd.h File Reference

SIMD-optimized ASCII conversion interface. More...

Go to the source code of this file.

Data Structures
struct	dec3_t
	Decimal conversion cache structure (1-3 digits) More...
struct	global_dec3_cache_t
	Global decimal cache for digit conversion. More...
struct	Str
	Dynamic string buffer structure. More...
struct	RLEState
	Run-length encoding state for ANSI color optimization. More...
struct	ImageRGB
	ImageRGB structure for NEON renderers. More...
struct	simd_benchmark_t
	SIMD benchmark results structure. More...

Macros
Luminance Calculation Constants
#define	LUMA_RED   77
	Luminance red coefficient (0.299 * 256 = 77)
#define	LUMA_GREEN   150
	Luminance green coefficient (0.587 * 256 = 150)
#define	LUMA_BLUE   29
	Luminance blue coefficient (0.114 * 256 = 29)
#define	LUMA_THRESHOLD   128
	Luminance threshold for rounding.

Functions
void	init_dec3 (void)
	Initialize decimal lookup table.
void	ascii_simd_init (void)
	Initialize SIMD subsystem.
void	init_default_luminance_palette (void)
	Initialize default luminance palette.
void	str_init (Str *s)
	Initialize string buffer.
void	str_free (Str *s)
	Free string buffer.
void	str_reserve (Str *s, size_t need)
	Reserve space in string buffer.
void	str_append_bytes (Str *s, const void *src, size_t n)
	Append bytes to string buffer.
void	str_append_c (Str *s, char c)
	Append character to string buffer.
void	str_printf (Str *s, const char *fmt,...)
	Append formatted string to buffer.
ImageRGB	alloc_image (int w, int h)
	Allocate a new ImageRGB (RGB8 format)
void	convert_pixels_scalar (const rgb_pixel_t *pixels, char *ascii_chars, int count, const char luminance_palette[256])
	Convert pixels to ASCII (scalar fallback)
char *	convert_pixels_scalar_with_newlines (image_t *image, const char luminance_palette[256])
	Convert image to ASCII with newlines (scalar fallback)
simd_benchmark_t	benchmark_simd_conversion (int width, int height, int iterations)
	Benchmark SIMD conversion methods (monochrome)
simd_benchmark_t	benchmark_simd_color_conversion (int width, int height, int iterations, bool background_mode)
	Benchmark SIMD color conversion methods.
simd_benchmark_t	benchmark_simd_conversion_with_source (int width, int height, int iterations, bool background_mode, const image_t *source_image, bool use_256color)
	Benchmark SIMD conversion with source image.
simd_benchmark_t	benchmark_simd_color_conversion_with_source (int width, int height, int iterations, bool background_mode, const image_t *source_image, bool use_256color)
	Benchmark SIMD color conversion with source image.
void	print_simd_capabilities (void)
	Print detected SIMD capabilities.
char *	image_print_simd (image_t *image, const char *ascii_chars)
	Print image as ASCII using SIMD (monochrome)
char *	image_print_color_simd (image_t *image, bool use_background_mode, bool use_256color, const char *ascii_chars)
	Print image as ASCII with color using SIMD.
void	set_color_quality_mode (bool high_quality)
	Set color quality mode.
bool	get_256_color_fast_path (void)
	Get 256-color fast path setting.
void	prewarm_sgr256_fg_cache (void)
	Prewarm 256-color foreground cache for benchmarks.
void	prewarm_sgr256_cache (void)
	Prewarm 256-color foreground/background cache for benchmarks.
char *	get_sgr256_fg_string (uint8_t fg, uint8_t *len_out)
	Get 256-color foreground ANSI sequence string.
char *	get_sgr256_fg_bg_string (uint8_t fg, uint8_t bg, uint8_t *len_out)
	Get 256-color foreground/background ANSI sequence string.
size_t	write_row_rep_from_arrays_enhanced (const uint8_t *fg_r, const uint8_t *fg_g, const uint8_t *fg_b, const uint8_t *bg_r, const uint8_t *bg_g, const uint8_t *bg_b, const uint8_t *fg_idx, const uint8_t *bg_idx, const char *ascii_chars, int width, char *dst, size_t cap, bool is_truecolor)
	Enhanced REP compression writer.

Variables
global_dec3_cache_t	g_dec3_cache
	Global decimal cache instance.
char	g_default_luminance_palette [256]
	Default luminance palette (256 characters)

Detailed Description

SIMD-optimized ASCII conversion interface.

Definition in file ascii_simd.h.