SDL_blit.h
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../SDL_internal.h"
#ifndef _SDL_blit_h
#define _SDL_blit_h
#include "SDL_cpuinfo.h"
#include "SDL_endian.h"
#include "SDL_surface.h"
/* Table to do pixel byte expansion */
extern Uint8* SDL_expand_byte[9];
/* SDL blit copy flags */
#define SDL_COPY_MODULATE_COLOR 0x00000001
#define SDL_COPY_MODULATE_ALPHA 0x00000002
#define SDL_COPY_BLEND 0x00000010
#define SDL_COPY_ADD 0x00000020
#define SDL_COPY_MOD 0x00000040
#define SDL_COPY_COLORKEY 0x00000100
#define SDL_COPY_NEAREST 0x00000200
#define SDL_COPY_RLE_DESIRED 0x00001000
#define SDL_COPY_RLE_COLORKEY 0x00002000
#define SDL_COPY_RLE_ALPHAKEY 0x00004000
#define SDL_COPY_RLE_MASK (SDL_COPY_RLE_DESIRED|SDL_COPY_RLE_COLORKEY|SDL_COPY_RLE_ALPHAKEY)
/* SDL blit CPU flags */
#define SDL_CPU_ANY 0x00000000
#define SDL_CPU_MMX 0x00000001
#define SDL_CPU_3DNOW 0x00000002
#define SDL_CPU_SSE 0x00000004
#define SDL_CPU_SSE2 0x00000008
#define SDL_CPU_ALTIVEC_PREFETCH 0x00000010
#define SDL_CPU_ALTIVEC_NOPREFETCH 0x00000020
typedef struct
{
Uint8 *src;
int src_w, src_h;
int src_pitch;
int src_skip;
Uint8 *dst;
int dst_w, dst_h;
int dst_pitch;
int dst_skip;
SDL_PixelFormat *src_fmt;
SDL_PixelFormat *dst_fmt;
Uint8 *table;
int flags;
Uint32 colorkey;
Uint8 r, g, b, a;
} SDL_BlitInfo;
typedef void (SDLCALL * SDL_BlitFunc) (SDL_BlitInfo * info);
typedef struct
{
Uint32 src_format;
Uint32 dst_format;
int flags;
int cpu;
SDL_BlitFunc func;
} SDL_BlitFuncEntry;
/* Blit mapping definition */
typedef struct SDL_BlitMap
{
SDL_Surface *dst;
int identity;
SDL_blit blit;
void *data;
SDL_BlitInfo info;
/* the version count matches the destination; mismatch indicates
an invalid mapping */
Uint32 dst_palette_version;
Uint32 src_palette_version;
} SDL_BlitMap;
/* Functions found in SDL_blit.c */
extern int SDL_CalculateBlit(SDL_Surface * surface);
/* Functions found in SDL_blit_*.c */
extern SDL_BlitFunc SDL_CalculateBlit0(SDL_Surface * surface);
extern SDL_BlitFunc SDL_CalculateBlit1(SDL_Surface * surface);
extern SDL_BlitFunc SDL_CalculateBlitN(SDL_Surface * surface);
extern SDL_BlitFunc SDL_CalculateBlitA(SDL_Surface * surface);
/*
* Useful macros for blitting routines
*/
#if defined(__GNUC__)
#define DECLARE_ALIGNED(t,v,a) t __attribute__((aligned(a))) v
#elif defined(_MSC_VER)
#define DECLARE_ALIGNED(t,v,a) __declspec(align(a)) t v
#else
#define DECLARE_ALIGNED(t,v,a) t v
#endif
/* Load pixel of the specified format from a buffer and get its R-G-B values */
#define RGB_FROM_PIXEL(Pixel, fmt, r, g, b) \
{ \
r = SDL_expand_byte[fmt->Rloss][((Pixel&fmt->Rmask)>>fmt->Rshift)]; \
g = SDL_expand_byte[fmt->Gloss][((Pixel&fmt->Gmask)>>fmt->Gshift)]; \
b = SDL_expand_byte[fmt->Bloss][((Pixel&fmt->Bmask)>>fmt->Bshift)]; \
}
#define RGB_FROM_RGB565(Pixel, r, g, b) \
{ \
r = SDL_expand_byte[3][((Pixel&0xF800)>>11)]; \
g = SDL_expand_byte[2][((Pixel&0x07E0)>>5)]; \
b = SDL_expand_byte[3][(Pixel&0x001F)]; \
}
#define RGB_FROM_RGB555(Pixel, r, g, b) \
{ \
r = SDL_expand_byte[3][((Pixel&0x7C00)>>10)]; \
g = SDL_expand_byte[3][((Pixel&0x03E0)>>5)]; \
b = SDL_expand_byte[3][(Pixel&0x001F)]; \
}
#define RGB_FROM_RGB888(Pixel, r, g, b) \
{ \
r = ((Pixel&0xFF0000)>>16); \
g = ((Pixel&0xFF00)>>8); \
b = (Pixel&0xFF); \
}
#define RETRIEVE_RGB_PIXEL(buf, bpp, Pixel) \
do { \
switch (bpp) { \
case 1: \
Pixel = *((Uint8 *)(buf)); \
break; \
\
case 2: \
Pixel = *((Uint16 *)(buf)); \
break; \
\
case 3: { \
Uint8 *B = (Uint8 *)(buf); \
if (SDL_BYTEORDER == SDL_LIL_ENDIAN) { \
Pixel = B[0] + (B[1] << 8) + (B[2] << 16); \
} else { \
Pixel = (B[0] << 16) + (B[1] << 8) + B[2]; \
} \
} \
break; \
\
case 4: \
Pixel = *((Uint32 *)(buf)); \
break; \
\
default: \
Pixel = 0; /* stop gcc complaints */ \
break; \
} \
} while (0)
#define DISEMBLE_RGB(buf, bpp, fmt, Pixel, r, g, b) \
do { \
switch (bpp) { \
case 1: \
Pixel = *((Uint8 *)(buf)); \
RGB_FROM_PIXEL(Pixel, fmt, r, g, b); \
break; \
\
case 2: \
Pixel = *((Uint16 *)(buf)); \
RGB_FROM_PIXEL(Pixel, fmt, r, g, b); \
break; \
\
case 3: { \
Pixel = 0; \
if (SDL_BYTEORDER == SDL_LIL_ENDIAN) { \
r = *((buf)+fmt->Rshift/8); \
g = *((buf)+fmt->Gshift/8); \
b = *((buf)+fmt->Bshift/8); \
} else { \
r = *((buf)+2-fmt->Rshift/8); \
g = *((buf)+2-fmt->Gshift/8); \
b = *((buf)+2-fmt->Bshift/8); \
} \
} \
break; \
\
case 4: \
Pixel = *((Uint32 *)(buf)); \
RGB_FROM_PIXEL(Pixel, fmt, r, g, b); \
break; \
\
default: \
/* stop gcc complaints */ \
Pixel = 0; \
r = g = b = 0; \
break; \
} \
} while (0)
/* Assemble R-G-B values into a specified pixel format and store them */
#define PIXEL_FROM_RGB(Pixel, fmt, r, g, b) \
{ \
Pixel = ((r>>fmt->Rloss)<<fmt->Rshift)| \
((g>>fmt->Gloss)<<fmt->Gshift)| \
((b>>fmt->Bloss)<<fmt->Bshift)| \
fmt->Amask; \
}
#define RGB565_FROM_RGB(Pixel, r, g, b) \
{ \
Pixel = ((r>>3)<<11)|((g>>2)<<5)|(b>>3); \
}
#define RGB555_FROM_RGB(Pixel, r, g, b) \
{ \
Pixel = ((r>>3)<<10)|((g>>3)<<5)|(b>>3); \
}
#define RGB888_FROM_RGB(Pixel, r, g, b) \
{ \
Pixel = (r<<16)|(g<<8)|b; \
}
#define ARGB8888_FROM_RGBA(Pixel, r, g, b, a) \
{ \
Pixel = (a<<24)|(r<<16)|(g<<8)|b; \
}
#define RGBA8888_FROM_RGBA(Pixel, r, g, b, a) \
{ \
Pixel = (r<<24)|(g<<16)|(b<<8)|a; \
}
#define ABGR8888_FROM_RGBA(Pixel, r, g, b, a) \
{ \
Pixel = (a<<24)|(b<<16)|(g<<8)|r; \
}
#define BGRA8888_FROM_RGBA(Pixel, r, g, b, a) \
{ \
Pixel = (b<<24)|(g<<16)|(r<<8)|a; \
}
#define ARGB2101010_FROM_RGBA(Pixel, r, g, b, a) \
{ \
r = r ? ((r << 2) | 0x3) : 0; \
g = g ? ((g << 2) | 0x3) : 0; \
b = b ? ((b << 2) | 0x3) : 0; \
a = (a * 3) / 255; \
Pixel = (a<<30)|(r<<20)|(g<<10)|b; \
}
#define ASSEMBLE_RGB(buf, bpp, fmt, r, g, b) \
{ \
switch (bpp) { \
case 1: { \
Uint8 Pixel; \
\
PIXEL_FROM_RGB(Pixel, fmt, r, g, b); \
*((Uint8 *)(buf)) = Pixel; \
} \
break; \
\
case 2: { \
Uint16 Pixel; \
\
PIXEL_FROM_RGB(Pixel, fmt, r, g, b); \
*((Uint16 *)(buf)) = Pixel; \
} \
break; \
\
case 3: { \
if (SDL_BYTEORDER == SDL_LIL_ENDIAN) { \
*((buf)+fmt->Rshift/8) = r; \
*((buf)+fmt->Gshift/8) = g; \
*((buf)+fmt->Bshift/8) = b; \
} else { \
*((buf)+2-fmt->Rshift/8) = r; \
*((buf)+2-fmt->Gshift/8) = g; \
*((buf)+2-fmt->Bshift/8) = b; \
} \
} \
break; \
\
case 4: { \
Uint32 Pixel; \
\
PIXEL_FROM_RGB(Pixel, fmt, r, g, b); \
*((Uint32 *)(buf)) = Pixel; \
} \
break; \
} \
}
/* FIXME: Should we rescale alpha into 0..255 here? */
#define RGBA_FROM_PIXEL(Pixel, fmt, r, g, b, a) \
{ \
r = SDL_expand_byte[fmt->Rloss][((Pixel&fmt->Rmask)>>fmt->Rshift)]; \
g = SDL_expand_byte[fmt->Gloss][((Pixel&fmt->Gmask)>>fmt->Gshift)]; \
b = SDL_expand_byte[fmt->Bloss][((Pixel&fmt->Bmask)>>fmt->Bshift)]; \
a = SDL_expand_byte[fmt->Aloss][((Pixel&fmt->Amask)>>fmt->Ashift)]; \
}
#define RGBA_FROM_8888(Pixel, fmt, r, g, b, a) \
{ \
r = (Pixel&fmt->Rmask)>>fmt->Rshift; \
g = (Pixel&fmt->Gmask)>>fmt->Gshift; \
b = (Pixel&fmt->Bmask)>>fmt->Bshift; \
a = (Pixel&fmt->Amask)>>fmt->Ashift; \
}
#define RGBA_FROM_RGBA8888(Pixel, r, g, b, a) \
{ \
r = (Pixel>>24); \
g = ((Pixel>>16)&0xFF); \
b = ((Pixel>>8)&0xFF); \
a = (Pixel&0xFF); \
}
#define RGBA_FROM_ARGB8888(Pixel, r, g, b, a) \
{ \
r = ((Pixel>>16)&0xFF); \
g = ((Pixel>>8)&0xFF); \
b = (Pixel&0xFF); \
a = (Pixel>>24); \
}
#define RGBA_FROM_ABGR8888(Pixel, r, g, b, a) \
{ \
r = (Pixel&0xFF); \
g = ((Pixel>>8)&0xFF); \
b = ((Pixel>>16)&0xFF); \
a = (Pixel>>24); \
}
#define RGBA_FROM_BGRA8888(Pixel, r, g, b, a) \
{ \
r = ((Pixel>>8)&0xFF); \
g = ((Pixel>>16)&0xFF); \
b = (Pixel>>24); \
a = (Pixel&0xFF); \
}
#define RGBA_FROM_ARGB2101010(Pixel, r, g, b, a) \
{ \
r = ((Pixel>>22)&0xFF); \
g = ((Pixel>>12)&0xFF); \
b = ((Pixel>>2)&0xFF); \
a = SDL_expand_byte[6][(Pixel>>30)]; \
}
#define DISEMBLE_RGBA(buf, bpp, fmt, Pixel, r, g, b, a) \
do { \
switch (bpp) { \
case 1: \
Pixel = *((Uint8 *)(buf)); \
RGBA_FROM_PIXEL(Pixel, fmt, r, g, b, a); \
break; \
\
case 2: \
Pixel = *((Uint16 *)(buf)); \
RGBA_FROM_PIXEL(Pixel, fmt, r, g, b, a); \
break; \
\
case 3: { \
Pixel = 0; \
if (SDL_BYTEORDER == SDL_LIL_ENDIAN) { \
r = *((buf)+fmt->Rshift/8); \
g = *((buf)+fmt->Gshift/8); \
b = *((buf)+fmt->Bshift/8); \
} else { \
r = *((buf)+2-fmt->Rshift/8); \
g = *((buf)+2-fmt->Gshift/8); \
b = *((buf)+2-fmt->Bshift/8); \
} \
a = 0xFF; \
} \
break; \
\
case 4: \
Pixel = *((Uint32 *)(buf)); \
RGBA_FROM_PIXEL(Pixel, fmt, r, g, b, a); \
break; \
\
default: \
/* stop gcc complaints */ \
Pixel = 0; \
r = g = b = a = 0; \
break; \
} \
} while (0)
/* FIXME: this isn't correct, especially for Alpha (maximum != 255) */
#define PIXEL_FROM_RGBA(Pixel, fmt, r, g, b, a) \
{ \
Pixel = ((r>>fmt->Rloss)<<fmt->Rshift)| \
((g>>fmt->Gloss)<<fmt->Gshift)| \
((b>>fmt->Bloss)<<fmt->Bshift)| \
((a>>fmt->Aloss)<<fmt->Ashift); \
}
#define ASSEMBLE_RGBA(buf, bpp, fmt, r, g, b, a) \
{ \
switch (bpp) { \
case 1: { \
Uint8 _pixel; \
\
PIXEL_FROM_RGBA(_pixel, fmt, r, g, b, a); \
*((Uint8 *)(buf)) = _pixel; \
} \
break; \
\
case 2: { \
Uint16 _pixel; \
\
PIXEL_FROM_RGBA(_pixel, fmt, r, g, b, a); \
*((Uint16 *)(buf)) = _pixel; \
} \
break; \
\
case 3: { \
if (SDL_BYTEORDER == SDL_LIL_ENDIAN) { \
*((buf)+fmt->Rshift/8) = r; \
*((buf)+fmt->Gshift/8) = g; \
*((buf)+fmt->Bshift/8) = b; \
} else { \
*((buf)+2-fmt->Rshift/8) = r; \
*((buf)+2-fmt->Gshift/8) = g; \
*((buf)+2-fmt->Bshift/8) = b; \
} \
} \
break; \
\
case 4: { \
Uint32 _pixel; \
\
PIXEL_FROM_RGBA(_pixel, fmt, r, g, b, a); \
*((Uint32 *)(buf)) = _pixel; \
} \
break; \
} \
}
/* Blend the RGB values of two pixels with an alpha value */
#define ALPHA_BLEND_RGB(sR, sG, sB, A, dR, dG, dB) \
do { \
dR = ((((unsigned)(sR-dR)*(unsigned)A)/255)+dR); \
dG = ((((unsigned)(sG-dG)*(unsigned)A)/255)+dG); \
dB = ((((unsigned)(sB-dB)*(unsigned)A)/255)+dB); \
} while(0)
/* Blend the RGBA values of two pixels */
#define ALPHA_BLEND_RGBA(sR, sG, sB, sA, dR, dG, dB, dA) \
do { \
dR = ((((unsigned)(sR-dR)*(unsigned)sA)/255)+dR); \
dG = ((((unsigned)(sG-dG)*(unsigned)sA)/255)+dG); \
dB = ((((unsigned)(sB-dB)*(unsigned)sA)/255)+dB); \
dA = ((unsigned)sA+(unsigned)dA-((unsigned)sA*dA)/255); \
} while(0)
/* This is a very useful loop for optimizing blitters */
#if defined(_MSC_VER) && (_MSC_VER == 1300)
/* There's a bug in the Visual C++ 7 optimizer when compiling this code */
#else
#define USE_DUFFS_LOOP
#endif
#ifdef USE_DUFFS_LOOP
/* 8-times unrolled loop */
#define DUFFS_LOOP8(pixel_copy_increment, width) \
{ int n = (width+7)/8; \
switch (width & 7) { \
case 0: do { pixel_copy_increment; \
case 7: pixel_copy_increment; \
case 6: pixel_copy_increment; \
case 5: pixel_copy_increment; \
case 4: pixel_copy_increment; \
case 3: pixel_copy_increment; \
case 2: pixel_copy_increment; \
case 1: pixel_copy_increment; \
} while ( --n > 0 ); \
} \
}
/* 4-times unrolled loop */
#define DUFFS_LOOP4(pixel_copy_increment, width) \
{ int n = (width+3)/4; \
switch (width & 3) { \
case 0: do { pixel_copy_increment; \
case 3: pixel_copy_increment; \
case 2: pixel_copy_increment; \
case 1: pixel_copy_increment; \
} while (--n > 0); \
} \
}
/* Use the 8-times version of the loop by default */
#define DUFFS_LOOP(pixel_copy_increment, width) \
DUFFS_LOOP8(pixel_copy_increment, width)
/* Special version of Duff's device for even more optimization */
#define DUFFS_LOOP_124(pixel_copy_increment1, \
pixel_copy_increment2, \
pixel_copy_increment4, width) \
{ int n = width; \
if (n & 1) { \
pixel_copy_increment1; n -= 1; \
} \
if (n & 2) { \
pixel_copy_increment2; n -= 2; \
} \
if (n & 4) { \
pixel_copy_increment4; n -= 4; \
} \
if (n) { \
n /= 8; \
do { \
pixel_copy_increment4; \
pixel_copy_increment4; \
} while (--n > 0); \
} \
}
#else
/* Don't use Duff's device to unroll loops */
#define DUFFS_LOOP(pixel_copy_increment, width) \
{ int n; \
for ( n=width; n > 0; --n ) { \
pixel_copy_increment; \
} \
}
#define DUFFS_LOOP8(pixel_copy_increment, width) \
DUFFS_LOOP(pixel_copy_increment, width)
#define DUFFS_LOOP4(pixel_copy_increment, width) \
DUFFS_LOOP(pixel_copy_increment, width)
#define DUFFS_LOOP_124(pixel_copy_increment1, \
pixel_copy_increment2, \
pixel_copy_increment4, width) \
DUFFS_LOOP(pixel_copy_increment1, width)
#endif /* USE_DUFFS_LOOP */
/* Prevent Visual C++ 6.0 from printing out stupid warnings */
#if defined(_MSC_VER) && (_MSC_VER >= 600)
#pragma warning(disable: 4550)
#endif
#endif /* _SDL_blit_h */
/* vi: set ts=4 sw=4 expandtab: */
SDL_BlitFuncEntry::func
SDL_BlitFunc func
Definition: SDL_blit.h:81
SDL_BlitInfo::table
Uint8 * table
Definition: SDL_blit.h:67
SDL_BlitInfo::r
Uint8 r
Definition: SDL_blit.h:70
SDL_CalculateBlitN
SDL_BlitFunc SDL_CalculateBlitN(SDL_Surface *surface)
Definition: SDL_blit_N.c:2527
SDL_BlitMap::blit
SDL_blit blit
Definition: SDL_blit.h:89
SDL_BlitInfo::src_skip
int src_skip
Definition: SDL_blit.h:60
Uint32
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:157
SDL_BlitInfo::flags
int flags
Definition: SDL_blit.h:68
SDL_BlitInfo::src_fmt
SDL_PixelFormat * src_fmt
Definition: SDL_blit.h:65
SDL_Surface
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
SDL_CalculateBlit
int SDL_CalculateBlit(SDL_Surface *surface)
Definition: SDL_blit.c:216
SDL_BlitFuncEntry::src_format
Uint32 src_format
Definition: SDL_blit.h:77
SDL_BlitMap::dst_palette_version
Uint32 dst_palette_version
Definition: SDL_blit.h:95
SDL_BlitInfo::dst_pitch
int dst_pitch
Definition: SDL_blit.h:63
SDL_BlitInfo::dst_skip
int dst_skip
Definition: SDL_blit.h:64
SDL_BlitInfo::src_w
int src_w
Definition: SDL_blit.h:58
SDL_BlitInfo::colorkey
Uint32 colorkey
Definition: SDL_blit.h:69
SDL_BlitMap::src_palette_version
Uint32 src_palette_version
Definition: SDL_blit.h:96
SDL_cpuinfo.h
g
GLboolean GLboolean g
Definition: SDL_opengl_glext.h:1109
SDL_surface.h
SDL_BlitInfo::dst
Uint8 * dst
Definition: SDL_blit.h:61
SDL_BlitFuncEntry::cpu
int cpu
Definition: SDL_blit.h:80
SDL_BlitInfo
Definition: SDL_blit.h:55
SDL_expand_byte
Uint8 * SDL_expand_byte[9]
Definition: SDL_pixels.c:71
Uint8
uint8_t Uint8
An unsigned 8-bit integer type.
Definition: SDL_stdinc.h:139
SDL_BlitInfo::src
Uint8 * src
Definition: SDL_blit.h:57
SDL_BlitFuncEntry
Definition: SDL_blit.h:75
SDL_BlitInfo::dst_fmt
SDL_PixelFormat * dst_fmt
Definition: SDL_blit.h:66
SDL_BlitInfo::src_pitch
int src_pitch
Definition: SDL_blit.h:59
SDL_BlitFuncEntry::dst_format
Uint32 dst_format
Definition: SDL_blit.h:78
SDL_endian.h
SDL_BlitMap::dst
SDL_Surface * dst
Definition: SDL_blit.h:87
SDL_CalculateBlit0
SDL_BlitFunc SDL_CalculateBlit0(SDL_Surface *surface)
Definition: SDL_blit_0.c:454
void
SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char const char SDL_SCANF_FORMAT_STRING const char return SDL_ThreadFunction const char void return Uint32 return Uint32 void
Definition: SDL_dynapi_procs.h:93
SDL_blit
int(* SDL_blit)(struct SDL_Surface *src, SDL_Rect *srcrect, struct SDL_Surface *dst, SDL_Rect *dstrect)
The type of function used for surface blitting functions.
Definition: SDL_surface.h:97
SDL_CalculateBlit1
SDL_BlitFunc SDL_CalculateBlit1(SDL_Surface *surface)
Definition: SDL_blit_1.c:520
SDL_PixelFormat
Definition: SDL_pixels.h:299
SDL_BlitFuncEntry::flags
int flags
Definition: SDL_blit.h:79
SDL_BlitFunc
void(* SDL_BlitFunc)(SDL_BlitInfo *info)
Definition: SDL_blit.h:73
SDL_BlitMap::data
void * data
Definition: SDL_blit.h:90
SDL_BlitMap
Definition: SDL_blit.h:85
SDL_BlitInfo::dst_w
int dst_w
Definition: SDL_blit.h:62
SDL_CalculateBlitA
SDL_BlitFunc SDL_CalculateBlitA(SDL_Surface *surface)
Definition: SDL_blit_A.c:1269
a
GLboolean GLboolean GLboolean GLboolean a
Definition: SDL_opengl_glext.h:1109
SDLCALL
#define SDLCALL
Definition: SDL_internal.h:31
b
GLboolean GLboolean GLboolean b
Definition: SDL_opengl_glext.h:1109
SDL_BlitMap::identity
int identity
Definition: SDL_blit.h:88
SDL_BlitMap::info
SDL_BlitInfo info
Definition: SDL_blit.h:91