SDL_blit_1.c File Reference

#include "SDL_config.h"
#include "SDL_video.h"
#include "SDL_blit.h"
#include "SDL_sysvideo.h"
#include "SDL_endian.h"

Go to the source code of this file.

Macros
#define	HI   1
#define	LO   0

Functions
static void	Blit1to1 (SDL_BlitInfo *info)
static void	Blit1to1Key (SDL_BlitInfo *info)
static void	Blit1to2 (SDL_BlitInfo *info)
static void	Blit1to2Key (SDL_BlitInfo *info)
static void	Blit1to3 (SDL_BlitInfo *info)
static void	Blit1to3Key (SDL_BlitInfo *info)
static void	Blit1to4 (SDL_BlitInfo *info)
static void	Blit1to4Key (SDL_BlitInfo *info)
static void	Blit1toNAlpha (SDL_BlitInfo *info)
static void	Blit1toNAlphaKey (SDL_BlitInfo *info)
SDL_BlitFunc	SDL_CalculateBlit1 (SDL_Surface *surface)

Variables
static const SDL_BlitFunc	one_blit []
static const SDL_BlitFunc	one_blitkey []

Macro Definition Documentation

#define HI   1

Definition at line 74 of file SDL_blit_1.c.

Referenced by Blit1to2().

#define LO   0

Definition at line 75 of file SDL_blit_1.c.

Referenced by Blit1to2().

Function Documentation

static void Blit1to1 ( SDL_BlitInfo *  info )

static

Definition at line 31 of file SDL_blit_1.c.

References SDL_BlitInfo::dst, SDL_BlitInfo::dst_h, SDL_BlitInfo::dst_skip, SDL_BlitInfo::dst_w, DUFFS_LOOP, map, SDL_BlitInfo::src, SDL_BlitInfo::src_skip, and SDL_BlitInfo::table.

static void Blit1to1Key ( SDL_BlitInfo *  info )

static

Definition at line 285 of file SDL_blit_1.c.

References SDL_BlitInfo::colorkey, SDL_BlitInfo::dst, SDL_BlitInfo::dst_h, SDL_BlitInfo::dst_skip, SDL_BlitInfo::dst_w, DUFFS_LOOP, SDL_BlitInfo::src, SDL_BlitInfo::src_skip, and SDL_BlitInfo::table.

static void Blit1to2 ( SDL_BlitInfo *  info )

static

Definition at line 81 of file SDL_blit_1.c.

References SDL_BlitInfo::dst, SDL_BlitInfo::dst_h, SDL_BlitInfo::dst_skip, SDL_BlitInfo::dst_w, DUFFS_LOOP, HI, LO, map, SDL_BlitInfo::src, SDL_BlitInfo::src_skip, SDL_BlitInfo::table, USE_DUFFS_LOOP, and while().

static void Blit1to2Key ( SDL_BlitInfo *  info )

static

Definition at line 332 of file SDL_blit_1.c.

References SDL_BlitInfo::colorkey, SDL_BlitInfo::dst, SDL_BlitInfo::dst_h, SDL_BlitInfo::dst_skip, SDL_BlitInfo::dst_w, DUFFS_LOOP, SDL_BlitInfo::src, SDL_BlitInfo::src_skip, and SDL_BlitInfo::table.

static void Blit1to3 ( SDL_BlitInfo *  info )

static

Definition at line 188 of file SDL_blit_1.c.

References SDL_BlitInfo::dst, SDL_BlitInfo::dst_h, SDL_BlitInfo::dst_skip, SDL_BlitInfo::dst_w, DUFFS_LOOP, map, SDL_BlitInfo::src, SDL_BlitInfo::src_skip, and SDL_BlitInfo::table.

static void Blit1to3Key ( SDL_BlitInfo *  info )

static

Definition at line 364 of file SDL_blit_1.c.

References SDL_BlitInfo::colorkey, SDL_BlitInfo::dst, SDL_BlitInfo::dst_h, SDL_BlitInfo::dst_skip, SDL_BlitInfo::dst_w, DUFFS_LOOP, SDL_BlitInfo::src, SDL_BlitInfo::src_skip, and SDL_BlitInfo::table.

static void Blit1to4 ( SDL_BlitInfo *  info )

static

Definition at line 237 of file SDL_blit_1.c.

References SDL_BlitInfo::dst, SDL_BlitInfo::dst_h, SDL_BlitInfo::dst_skip, SDL_BlitInfo::dst_w, DUFFS_LOOP, map, SDL_BlitInfo::src, SDL_BlitInfo::src_skip, and SDL_BlitInfo::table.

static void Blit1to4Key ( SDL_BlitInfo *  info )

static

Definition at line 397 of file SDL_blit_1.c.

References SDL_BlitInfo::colorkey, SDL_BlitInfo::dst, SDL_BlitInfo::dst_h, SDL_BlitInfo::dst_skip, SDL_BlitInfo::dst_w, DUFFS_LOOP, SDL_BlitInfo::src, SDL_BlitInfo::src_skip, and SDL_BlitInfo::table.

static void Blit1toNAlpha ( SDL_BlitInfo *  info )

static

Definition at line 429 of file SDL_blit_1.c.

References SDL_BlitInfo::a, ALPHA_BLEND_RGBA, ASSEMBLE_RGBA, SDL_Color::b, SDL_PixelFormat::BytesPerPixel, SDL_Palette::colors, DISEMBLE_RGBA, SDL_BlitInfo::dst, SDL_BlitInfo::dst_fmt, SDL_BlitInfo::dst_h, SDL_BlitInfo::dst_skip, SDL_BlitInfo::dst_w, DUFFS_LOOP4, SDL_Color::g, SDL_PixelFormat::palette, SDL_Color::r, SDL_BlitInfo::src, SDL_BlitInfo::src_fmt, and SDL_BlitInfo::src_skip.

Referenced by SDL_CalculateBlit1().

static void Blit1toNAlphaKey ( SDL_BlitInfo *  info )

static

Definition at line 469 of file SDL_blit_1.c.

References SDL_BlitInfo::a, ALPHA_BLEND_RGBA, ASSEMBLE_RGBA, SDL_Color::b, SDL_PixelFormat::BytesPerPixel, SDL_BlitInfo::colorkey, SDL_Palette::colors, DISEMBLE_RGBA, SDL_BlitInfo::dst, SDL_BlitInfo::dst_fmt, SDL_BlitInfo::dst_h, SDL_BlitInfo::dst_skip, SDL_BlitInfo::dst_w, DUFFS_LOOP, SDL_Color::g, SDL_PixelFormat::palette, SDL_Color::r, SDL_BlitInfo::src, SDL_BlitInfo::src_fmt, and SDL_BlitInfo::src_skip.

Referenced by SDL_CalculateBlit1().

SDL_BlitFunc SDL_CalculateBlit1

(

SDL_Surface *

surface

)

Definition at line 520 of file SDL_blit_1.c.

References SDL_PixelFormat::BitsPerPixel, Blit1toNAlpha(), Blit1toNAlphaKey(), SDL_PixelFormat::BytesPerPixel, SDL_BlitMap::dst, SDL_BlitInfo::flags, SDL_Surface::format, SDL_BlitMap::info, SDL_Surface::map, NULL, one_blit, SDL_COPY_BLEND, SDL_COPY_COLORKEY, SDL_COPY_MODULATE_ALPHA, and SDL_COPY_RLE_MASK.

Referenced by SDL_CalculateBlit().

Variable Documentation

const SDL_BlitFunc one_blit[]

static

Initial value:

= {
    (SDL_BlitFunc) NULL, Blit1to1, Blit1to2, Blit1to3, Blit1to4
}

Definition at line 511 of file SDL_blit_1.c.

Referenced by SDL_CalculateBlit1().

const SDL_BlitFunc one_blitkey[]

static

Initial value:

= {
    (SDL_BlitFunc) NULL, Blit1to1Key, Blit1to2Key, Blit1to3Key, Blit1to4Key
}

Definition at line 515 of file SDL_blit_1.c.