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comparison src/video/SDL_blit.h @ 2262:bee005ace1bf

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Work in progress: merging new texture features into SDL blit system
author Sam Lantinga <slouken@libsdl.org>
date Fri, 17 Aug 2007 06:21:58 +0000
parents c20476d7d7b3
children 900c35d8e8fd
comparison
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2261:c20476d7d7b3 2262:bee005ace1bf
31 #include <mm3dnow.h> 31 #include <mm3dnow.h>
32 #endif 32 #endif
33 #ifdef __SSE__ 33 #ifdef __SSE__
34 #include <xmmintrin.h> 34 #include <xmmintrin.h>
35 #endif 35 #endif
36 #ifdef __SSE2__
37 #include <emmintrin.h>
38 #endif
36 39
37 #include "SDL_cpuinfo.h" 40 #include "SDL_cpuinfo.h"
38 #include "SDL_endian.h" 41 #include "SDL_endian.h"
39 42
40 /* The structure passed to the low level blit functions */ 43 /* SDL blit copy flags */
41 typedef struct 44 #define SDL_COPY_MODULATE_COLOR 0x0001
42 { 45 #define SDL_COPY_MODULATE_ALPHA 0x0002
43 Uint8 *s_pixels; 46 #define SDL_COPY_MASK 0x0010
44 int s_width; 47 #define SDL_COPY_BLEND 0x0020
45 int s_height; 48 #define SDL_COPY_ADD 0x0040
46 int s_skip; 49 #define SDL_COPY_MOD 0x0080
47 Uint8 *d_pixels; 50 #define SDL_COPY_COLORKEY 0x0100
48 int d_width; 51 #define SDL_COPY_NEAREST 0x0200
49 int d_height; 52
50 int d_skip; 53 /* SDL blit CPU flags */
51 SDL_PixelFormat *src; 54 #define SDL_CPU_ANY 0x0000
55 #define SDL_CPU_MMX 0x0001
56 #define SDL_CPU_3DNOW 0x0002
57 #define SDL_CPU_SSE 0x0004
58 #define SDL_CPU_SSE2 0x0008
59 #define SDL_CPU_ALTIVEC_PREFETCH 0x0010
60 #define SDL_CPU_ALTIVEC_NOPREFETCH 0x0020
61
62 typedef struct {
63 Uint8 *src;
64 int src_w, src_h;
65 int src_pitch;
66 Uint8 *dst;
67 int dst_w, dst_h;
68 int dst_pitch;
69 SDL_PixelFormat *src_fmt;
70 SDL_PixelFormat *dst_fmt;
52 Uint8 *table; 71 Uint8 *table;
53 SDL_PixelFormat *dst; 72 int flags;
54 Uint32 ckey, cmod; 73 Uint32 colorkey;
74 Uint8 r, g, b, a;
55 } SDL_BlitInfo; 75 } SDL_BlitInfo;
56 76
57 /* The type definition for the low level blit functions */ 77 typedef void (SDLCALL * SDL_BlitFunc)(SDL_BlitInfo *info);
58 typedef void (*SDL_loblit) (SDL_BlitInfo * info); 78
79 typedef struct {
80 Uint32 src_format;
81 Uint32 dst_format;
82 int flags;
83 int cpu;
84 SDL_BlitFunc func;
85 } SDL_BlitFuncEntry;
59 86
60 /* Blit mapping definition */ 87 /* Blit mapping definition */
61 typedef struct SDL_BlitMap 88 typedef struct SDL_BlitMap
62 { 89 {
63 SDL_Surface *dst; 90 SDL_Surface *dst;
64 int identity; 91 int identity;
65 Uint8 *table;
66 SDL_blit blit; 92 SDL_blit blit;
67 void *data; 93 void *data;
68 Uint32 ckey; /* colorkey */ 94 SDL_BlitInfo info;
69 Uint32 cmod; /* ARGB modulation */
70 95
71 /* the version count matches the destination; mismatch indicates 96 /* the version count matches the destination; mismatch indicates
72 an invalid mapping */ 97 an invalid mapping */
73 unsigned int format_version; 98 unsigned int format_version;
74 } SDL_BlitMap; 99 } SDL_BlitMap;
75 100
76 #define SDL_BLIT_ANY 0x00000000
77 #define SDL_BLIT_MMX 0x00000001
78 #define SDL_BLIT_SSE 0x00000002
79 #define SDL_BLIT_ALTIVEC_PREFETCH 0x00000004
80 #define SDL_BLIT_ALTIVEC_NOPREFETCH 0x00000008
81
82 typedef struct SDL_BlitEntry
83 {
84 Uint32 features;
85 SDL_loblit blit;
86 } SDL_BlitEntry;
87
88 /* Functions found in SDL_blit.c */ 101 /* Functions found in SDL_blit.c */
89 extern int SDL_CalculateBlit(SDL_Surface * surface); 102 extern int SDL_CalculateBlit(SDL_Surface * surface);
90
91 /* Functions found in SDL_blit_{0,1,N,A}.c */
92 extern SDL_loblit SDL_CalculateBlit0(SDL_Surface * surface, int complex);
93 extern SDL_loblit SDL_CalculateBlit1(SDL_Surface * surface, int complex);
94 extern SDL_loblit SDL_CalculateBlitN(SDL_Surface * surface, int complex);
95 extern SDL_loblit SDL_CalculateAlphaBlit(SDL_Surface * surface, int complex);
96 103
97 /* 104 /*
98 * Useful macros for blitting routines 105 * Useful macros for blitting routines
99 */ 106 */
100 107