Mercurial > sdl-ios-xcode

comparison src/video/SDL_blit.h @ 2249:5a58b57b6724

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added SSE and MMX optimization for SDL_FillRect()
author Sam Lantinga <slouken@libsdl.org>
date Thu, 16 Aug 2007 05:56:24 +0000
parents 93994f65c74c
children e1d228456537
comparison
equal deleted inserted replaced
2248:5cd2a2293cf0 2249:5a58b57b6724
21 */ 21 */
22 #include "SDL_config.h" 22 #include "SDL_config.h"
23 23
24 #ifndef _SDL_blit_h 24 #ifndef _SDL_blit_h
25 #define _SDL_blit_h 25 #define _SDL_blit_h
26
27 #ifdef __MMX__
28 #include <mmintrin.h>
29 #endif
30 #ifdef __SSE__
31 #include <xmmintrin.h>
32 #endif
26 33
27 #include "SDL_endian.h" 34 #include "SDL_endian.h"
28 35
29 /* The structure passed to the low level blit functions */ 36 /* The structure passed to the low level blit functions */
30 typedef struct 37 typedef struct
90 97
91 /* 98 /*
92 * Useful macros for blitting routines 99 * Useful macros for blitting routines
93 */ 100 */
94 101
102 #if defined(__GNUC__)
103 #define DECLARE_ALIGNED(t,v,a) t __attribute__((aligned(a))) v
104 #elif defined(_MSC_VER)
105 #define DECLARE_ALIGNED(t,v,a) t __declspec(align(a)) v
106 #else
107 #define DECLARE_ALIGNED(t,v,a) t v
108 #endif
109
95 #define FORMAT_EQUAL(A, B) \ 110 #define FORMAT_EQUAL(A, B) \
96 ((A)->BitsPerPixel == (B)->BitsPerPixel \ 111 ((A)->BitsPerPixel == (B)->BitsPerPixel \
97 && ((A)->Rmask == (B)->Rmask) && ((A)->Amask == (B)->Amask)) 112 && ((A)->Rmask == (B)->Rmask) && ((A)->Amask == (B)->Amask))
98 113
99 /* Load pixel of the specified format from a buffer and get its R-G-B values */ 114 /* Load pixel of the specified format from a buffer and get its R-G-B values */