diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/SDL_blit_N.c')
-rw-r--r-- | apps/plugins/sdl/src/video/SDL_blit_N.c | 2492 |
1 files changed, 2492 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/video/SDL_blit_N.c b/apps/plugins/sdl/src/video/SDL_blit_N.c new file mode 100644 index 0000000000..858cee5ee3 --- /dev/null +++ b/apps/plugins/sdl/src/video/SDL_blit_N.c | |||
@@ -0,0 +1,2492 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | #include "SDL_video.h" | ||
25 | #include "SDL_endian.h" | ||
26 | #include "SDL_cpuinfo.h" | ||
27 | #include "SDL_blit.h" | ||
28 | |||
29 | /* Functions to blit from N-bit surfaces to other surfaces */ | ||
30 | |||
31 | #if SDL_ALTIVEC_BLITTERS | ||
32 | #if __MWERKS__ | ||
33 | #pragma altivec_model on | ||
34 | #endif | ||
35 | #ifdef HAVE_ALTIVEC_H | ||
36 | #include <altivec.h> | ||
37 | #endif | ||
38 | #define assert(X) | ||
39 | #ifdef __MACOSX__ | ||
40 | #include <sys/sysctl.h> | ||
41 | static size_t GetL3CacheSize( void ) | ||
42 | { | ||
43 | const char key[] = "hw.l3cachesize"; | ||
44 | u_int64_t result = 0; | ||
45 | size_t typeSize = sizeof( result ); | ||
46 | |||
47 | |||
48 | int err = sysctlbyname( key, &result, &typeSize, NULL, 0 ); | ||
49 | if( 0 != err ) return 0; | ||
50 | |||
51 | return result; | ||
52 | } | ||
53 | #else | ||
54 | static size_t GetL3CacheSize( void ) | ||
55 | { | ||
56 | /* XXX: Just guess G4 */ | ||
57 | return 2097152; | ||
58 | } | ||
59 | #endif /* __MACOSX__ */ | ||
60 | |||
61 | #if (defined(__MACOSX__) && (__GNUC__ < 4)) | ||
62 | #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ | ||
63 | (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p ) | ||
64 | #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ | ||
65 | (vector unsigned short) ( a,b,c,d,e,f,g,h ) | ||
66 | #else | ||
67 | #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ | ||
68 | (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p } | ||
69 | #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ | ||
70 | (vector unsigned short) { a,b,c,d,e,f,g,h } | ||
71 | #endif | ||
72 | |||
73 | #define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F) | ||
74 | #define VSWIZZLE32(a,b,c,d) (vector unsigned char) \ | ||
75 | ( 0x00+a, 0x00+b, 0x00+c, 0x00+d, \ | ||
76 | 0x04+a, 0x04+b, 0x04+c, 0x04+d, \ | ||
77 | 0x08+a, 0x08+b, 0x08+c, 0x08+d, \ | ||
78 | 0x0C+a, 0x0C+b, 0x0C+c, 0x0C+d ) | ||
79 | |||
80 | #define MAKE8888(dstfmt, r, g, b, a) \ | ||
81 | ( ((r<<dstfmt->Rshift)&dstfmt->Rmask) | \ | ||
82 | ((g<<dstfmt->Gshift)&dstfmt->Gmask) | \ | ||
83 | ((b<<dstfmt->Bshift)&dstfmt->Bmask) | \ | ||
84 | ((a<<dstfmt->Ashift)&dstfmt->Amask) ) | ||
85 | |||
86 | /* | ||
87 | * Data Stream Touch...Altivec cache prefetching. | ||
88 | * | ||
89 | * Don't use this on a G5...however, the speed boost is very significant | ||
90 | * on a G4. | ||
91 | */ | ||
92 | #define DST_CHAN_SRC 1 | ||
93 | #define DST_CHAN_DEST 2 | ||
94 | |||
95 | /* macro to set DST control word value... */ | ||
96 | #define DST_CTRL(size, count, stride) \ | ||
97 | (((size) << 24) | ((count) << 16) | (stride)) | ||
98 | |||
99 | #define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \ | ||
100 | ? vec_lvsl(0, src) \ | ||
101 | : vec_add(vec_lvsl(8, src), vec_splat_u8(8))) | ||
102 | |||
103 | /* Calculate the permute vector used for 32->32 swizzling */ | ||
104 | static vector unsigned char calc_swizzle32(const SDL_PixelFormat *srcfmt, | ||
105 | const SDL_PixelFormat *dstfmt) | ||
106 | { | ||
107 | /* | ||
108 | * We have to assume that the bits that aren't used by other | ||
109 | * colors is alpha, and it's one complete byte, since some formats | ||
110 | * leave alpha with a zero mask, but we should still swizzle the bits. | ||
111 | */ | ||
112 | /* ARGB */ | ||
113 | const static struct SDL_PixelFormat default_pixel_format = { | ||
114 | NULL, 0, 0, | ||
115 | 0, 0, 0, 0, | ||
116 | 16, 8, 0, 24, | ||
117 | 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000, | ||
118 | 0, 0}; | ||
119 | if (!srcfmt) { | ||
120 | srcfmt = &default_pixel_format; | ||
121 | } | ||
122 | if (!dstfmt) { | ||
123 | dstfmt = &default_pixel_format; | ||
124 | } | ||
125 | const vector unsigned char plus = VECUINT8_LITERAL( | ||
126 | 0x00, 0x00, 0x00, 0x00, | ||
127 | 0x04, 0x04, 0x04, 0x04, | ||
128 | 0x08, 0x08, 0x08, 0x08, | ||
129 | 0x0C, 0x0C, 0x0C, 0x0C ); | ||
130 | vector unsigned char vswiz; | ||
131 | vector unsigned int srcvec; | ||
132 | #define RESHIFT(X) (3 - ((X) >> 3)) | ||
133 | Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift); | ||
134 | Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift); | ||
135 | Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift); | ||
136 | Uint32 amask; | ||
137 | /* Use zero for alpha if either surface doesn't have alpha */ | ||
138 | if (dstfmt->Amask) { | ||
139 | amask = ((srcfmt->Amask) ? RESHIFT(srcfmt->Ashift) : 0x10) << (dstfmt->Ashift); | ||
140 | } else { | ||
141 | amask = 0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^ 0xFFFFFFFF); | ||
142 | } | ||
143 | #undef RESHIFT | ||
144 | ((unsigned int *)(char*)&srcvec)[0] = (rmask | gmask | bmask | amask); | ||
145 | vswiz = vec_add(plus, (vector unsigned char)vec_splat(srcvec, 0)); | ||
146 | return(vswiz); | ||
147 | } | ||
148 | |||
149 | static void Blit_RGB888_RGB565(SDL_BlitInfo *info); | ||
150 | static void Blit_RGB888_RGB565Altivec(SDL_BlitInfo *info) { | ||
151 | int height = info->d_height; | ||
152 | Uint8 *src = (Uint8 *) info->s_pixels; | ||
153 | int srcskip = info->s_skip; | ||
154 | Uint8 *dst = (Uint8 *) info->d_pixels; | ||
155 | int dstskip = info->d_skip; | ||
156 | SDL_PixelFormat *srcfmt = info->src; | ||
157 | vector unsigned char valpha = vec_splat_u8(0); | ||
158 | vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL); | ||
159 | vector unsigned char vgmerge = VECUINT8_LITERAL( | ||
160 | 0x00, 0x02, 0x00, 0x06, | ||
161 | 0x00, 0x0a, 0x00, 0x0e, | ||
162 | 0x00, 0x12, 0x00, 0x16, | ||
163 | 0x00, 0x1a, 0x00, 0x1e); | ||
164 | vector unsigned short v1 = vec_splat_u16(1); | ||
165 | vector unsigned short v3 = vec_splat_u16(3); | ||
166 | vector unsigned short v3f = VECUINT16_LITERAL( | ||
167 | 0x003f, 0x003f, 0x003f, 0x003f, | ||
168 | 0x003f, 0x003f, 0x003f, 0x003f); | ||
169 | vector unsigned short vfc = VECUINT16_LITERAL( | ||
170 | 0x00fc, 0x00fc, 0x00fc, 0x00fc, | ||
171 | 0x00fc, 0x00fc, 0x00fc, 0x00fc); | ||
172 | vector unsigned short vf800 = (vector unsigned short)vec_splat_u8(-7); | ||
173 | vf800 = vec_sl(vf800, vec_splat_u16(8)); | ||
174 | |||
175 | while (height--) { | ||
176 | vector unsigned char valigner; | ||
177 | vector unsigned char voverflow; | ||
178 | vector unsigned char vsrc; | ||
179 | |||
180 | int width = info->d_width; | ||
181 | int extrawidth; | ||
182 | |||
183 | /* do scalar until we can align... */ | ||
184 | #define ONE_PIXEL_BLEND(condition, widthvar) \ | ||
185 | while (condition) { \ | ||
186 | Uint32 Pixel; \ | ||
187 | unsigned sR, sG, sB, sA; \ | ||
188 | DISEMBLE_RGBA((Uint8 *)src, 4, srcfmt, Pixel, \ | ||
189 | sR, sG, sB, sA); \ | ||
190 | *(Uint16 *)(dst) = (((sR << 8) & 0x0000F800) | \ | ||
191 | ((sG << 3) & 0x000007E0) | \ | ||
192 | ((sB >> 3) & 0x0000001F)); \ | ||
193 | dst += 2; \ | ||
194 | src += 4; \ | ||
195 | widthvar--; \ | ||
196 | } | ||
197 | |||
198 | ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width); | ||
199 | |||
200 | /* After all that work, here's the vector part! */ | ||
201 | extrawidth = (width % 8); /* trailing unaligned stores */ | ||
202 | width -= extrawidth; | ||
203 | vsrc = vec_ld(0, src); | ||
204 | valigner = VEC_ALIGNER(src); | ||
205 | |||
206 | while (width) { | ||
207 | vector unsigned short vpixel, vrpixel, vgpixel, vbpixel; | ||
208 | vector unsigned int vsrc1, vsrc2; | ||
209 | vector unsigned char vdst; | ||
210 | |||
211 | voverflow = vec_ld(15, src); | ||
212 | vsrc = vec_perm(vsrc, voverflow, valigner); | ||
213 | vsrc1 = (vector unsigned int)vec_perm(vsrc, valpha, vpermute); | ||
214 | src += 16; | ||
215 | vsrc = voverflow; | ||
216 | voverflow = vec_ld(15, src); | ||
217 | vsrc = vec_perm(vsrc, voverflow, valigner); | ||
218 | vsrc2 = (vector unsigned int)vec_perm(vsrc, valpha, vpermute); | ||
219 | /* 1555 */ | ||
220 | vpixel = (vector unsigned short)vec_packpx(vsrc1, vsrc2); | ||
221 | vgpixel = (vector unsigned short)vec_perm(vsrc1, vsrc2, vgmerge); | ||
222 | vgpixel = vec_and(vgpixel, vfc); | ||
223 | vgpixel = vec_sl(vgpixel, v3); | ||
224 | vrpixel = vec_sl(vpixel, v1); | ||
225 | vrpixel = vec_and(vrpixel, vf800); | ||
226 | vbpixel = vec_and(vpixel, v3f); | ||
227 | vdst = vec_or((vector unsigned char)vrpixel, (vector unsigned char)vgpixel); | ||
228 | /* 565 */ | ||
229 | vdst = vec_or(vdst, (vector unsigned char)vbpixel); | ||
230 | vec_st(vdst, 0, dst); | ||
231 | |||
232 | width -= 8; | ||
233 | src += 16; | ||
234 | dst += 16; | ||
235 | vsrc = voverflow; | ||
236 | } | ||
237 | |||
238 | assert(width == 0); | ||
239 | |||
240 | /* do scalar until we can align... */ | ||
241 | ONE_PIXEL_BLEND((extrawidth), extrawidth); | ||
242 | #undef ONE_PIXEL_BLEND | ||
243 | |||
244 | src += srcskip; /* move to next row, accounting for pitch. */ | ||
245 | dst += dstskip; | ||
246 | } | ||
247 | |||
248 | |||
249 | } | ||
250 | |||
251 | static void Blit_RGB565_32Altivec(SDL_BlitInfo *info) { | ||
252 | int height = info->d_height; | ||
253 | Uint8 *src = (Uint8 *) info->s_pixels; | ||
254 | int srcskip = info->s_skip; | ||
255 | Uint8 *dst = (Uint8 *) info->d_pixels; | ||
256 | int dstskip = info->d_skip; | ||
257 | SDL_PixelFormat *srcfmt = info->src; | ||
258 | SDL_PixelFormat *dstfmt = info->dst; | ||
259 | unsigned alpha; | ||
260 | vector unsigned char valpha; | ||
261 | vector unsigned char vpermute; | ||
262 | vector unsigned short vf800; | ||
263 | vector unsigned int v8 = vec_splat_u32(8); | ||
264 | vector unsigned int v16 = vec_add(v8, v8); | ||
265 | vector unsigned short v2 = vec_splat_u16(2); | ||
266 | vector unsigned short v3 = vec_splat_u16(3); | ||
267 | /* | ||
268 | 0x10 - 0x1f is the alpha | ||
269 | 0x00 - 0x0e evens are the red | ||
270 | 0x01 - 0x0f odds are zero | ||
271 | */ | ||
272 | vector unsigned char vredalpha1 = VECUINT8_LITERAL( | ||
273 | 0x10, 0x00, 0x01, 0x01, | ||
274 | 0x10, 0x02, 0x01, 0x01, | ||
275 | 0x10, 0x04, 0x01, 0x01, | ||
276 | 0x10, 0x06, 0x01, 0x01 | ||
277 | ); | ||
278 | vector unsigned char vredalpha2 = (vector unsigned char) ( | ||
279 | vec_add((vector unsigned int)vredalpha1, vec_sl(v8, v16)) | ||
280 | ); | ||
281 | /* | ||
282 | 0x00 - 0x0f is ARxx ARxx ARxx ARxx | ||
283 | 0x11 - 0x0f odds are blue | ||
284 | */ | ||
285 | vector unsigned char vblue1 = VECUINT8_LITERAL( | ||
286 | 0x00, 0x01, 0x02, 0x11, | ||
287 | 0x04, 0x05, 0x06, 0x13, | ||
288 | 0x08, 0x09, 0x0a, 0x15, | ||
289 | 0x0c, 0x0d, 0x0e, 0x17 | ||
290 | ); | ||
291 | vector unsigned char vblue2 = (vector unsigned char)( | ||
292 | vec_add((vector unsigned int)vblue1, v8) | ||
293 | ); | ||
294 | /* | ||
295 | 0x00 - 0x0f is ARxB ARxB ARxB ARxB | ||
296 | 0x10 - 0x0e evens are green | ||
297 | */ | ||
298 | vector unsigned char vgreen1 = VECUINT8_LITERAL( | ||
299 | 0x00, 0x01, 0x10, 0x03, | ||
300 | 0x04, 0x05, 0x12, 0x07, | ||
301 | 0x08, 0x09, 0x14, 0x0b, | ||
302 | 0x0c, 0x0d, 0x16, 0x0f | ||
303 | ); | ||
304 | vector unsigned char vgreen2 = (vector unsigned char)( | ||
305 | vec_add((vector unsigned int)vgreen1, vec_sl(v8, v8)) | ||
306 | ); | ||
307 | |||
308 | |||
309 | assert(srcfmt->BytesPerPixel == 2); | ||
310 | assert(dstfmt->BytesPerPixel == 4); | ||
311 | |||
312 | vf800 = (vector unsigned short)vec_splat_u8(-7); | ||
313 | vf800 = vec_sl(vf800, vec_splat_u16(8)); | ||
314 | |||
315 | if (dstfmt->Amask && srcfmt->alpha) { | ||
316 | ((unsigned char *)&valpha)[0] = alpha = srcfmt->alpha; | ||
317 | valpha = vec_splat(valpha, 0); | ||
318 | } else { | ||
319 | alpha = 0; | ||
320 | valpha = vec_splat_u8(0); | ||
321 | } | ||
322 | |||
323 | vpermute = calc_swizzle32(NULL, dstfmt); | ||
324 | while (height--) { | ||
325 | vector unsigned char valigner; | ||
326 | vector unsigned char voverflow; | ||
327 | vector unsigned char vsrc; | ||
328 | |||
329 | int width = info->d_width; | ||
330 | int extrawidth; | ||
331 | |||
332 | /* do scalar until we can align... */ | ||
333 | #define ONE_PIXEL_BLEND(condition, widthvar) \ | ||
334 | while (condition) { \ | ||
335 | unsigned sR, sG, sB; \ | ||
336 | unsigned short Pixel = *((unsigned short *)src); \ | ||
337 | sR = (Pixel >> 8) & 0xf8; \ | ||
338 | sG = (Pixel >> 3) & 0xfc; \ | ||
339 | sB = (Pixel << 3) & 0xf8; \ | ||
340 | ASSEMBLE_RGBA(dst, 4, dstfmt, sR, sG, sB, alpha); \ | ||
341 | src += 2; \ | ||
342 | dst += 4; \ | ||
343 | widthvar--; \ | ||
344 | } | ||
345 | ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width); | ||
346 | |||
347 | /* After all that work, here's the vector part! */ | ||
348 | extrawidth = (width % 8); /* trailing unaligned stores */ | ||
349 | width -= extrawidth; | ||
350 | vsrc = vec_ld(0, src); | ||
351 | valigner = VEC_ALIGNER(src); | ||
352 | |||
353 | while (width) { | ||
354 | vector unsigned short vR, vG, vB; | ||
355 | vector unsigned char vdst1, vdst2; | ||
356 | |||
357 | voverflow = vec_ld(15, src); | ||
358 | vsrc = vec_perm(vsrc, voverflow, valigner); | ||
359 | |||
360 | vR = vec_and((vector unsigned short)vsrc, vf800); | ||
361 | vB = vec_sl((vector unsigned short)vsrc, v3); | ||
362 | vG = vec_sl(vB, v2); | ||
363 | |||
364 | vdst1 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha1); | ||
365 | vdst1 = vec_perm(vdst1, (vector unsigned char)vB, vblue1); | ||
366 | vdst1 = vec_perm(vdst1, (vector unsigned char)vG, vgreen1); | ||
367 | vdst1 = vec_perm(vdst1, valpha, vpermute); | ||
368 | vec_st(vdst1, 0, dst); | ||
369 | |||
370 | vdst2 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha2); | ||
371 | vdst2 = vec_perm(vdst2, (vector unsigned char)vB, vblue2); | ||
372 | vdst2 = vec_perm(vdst2, (vector unsigned char)vG, vgreen2); | ||
373 | vdst2 = vec_perm(vdst2, valpha, vpermute); | ||
374 | vec_st(vdst2, 16, dst); | ||
375 | |||
376 | width -= 8; | ||
377 | dst += 32; | ||
378 | src += 16; | ||
379 | vsrc = voverflow; | ||
380 | } | ||
381 | |||
382 | assert(width == 0); | ||
383 | |||
384 | |||
385 | /* do scalar until we can align... */ | ||
386 | ONE_PIXEL_BLEND((extrawidth), extrawidth); | ||
387 | #undef ONE_PIXEL_BLEND | ||
388 | |||
389 | src += srcskip; /* move to next row, accounting for pitch. */ | ||
390 | dst += dstskip; | ||
391 | } | ||
392 | |||
393 | } | ||
394 | |||
395 | |||
396 | static void Blit_RGB555_32Altivec(SDL_BlitInfo *info) { | ||
397 | int height = info->d_height; | ||
398 | Uint8 *src = (Uint8 *) info->s_pixels; | ||
399 | int srcskip = info->s_skip; | ||
400 | Uint8 *dst = (Uint8 *) info->d_pixels; | ||
401 | int dstskip = info->d_skip; | ||
402 | SDL_PixelFormat *srcfmt = info->src; | ||
403 | SDL_PixelFormat *dstfmt = info->dst; | ||
404 | unsigned alpha; | ||
405 | vector unsigned char valpha; | ||
406 | vector unsigned char vpermute; | ||
407 | vector unsigned short vf800; | ||
408 | vector unsigned int v8 = vec_splat_u32(8); | ||
409 | vector unsigned int v16 = vec_add(v8, v8); | ||
410 | vector unsigned short v1 = vec_splat_u16(1); | ||
411 | vector unsigned short v3 = vec_splat_u16(3); | ||
412 | /* | ||
413 | 0x10 - 0x1f is the alpha | ||
414 | 0x00 - 0x0e evens are the red | ||
415 | 0x01 - 0x0f odds are zero | ||
416 | */ | ||
417 | vector unsigned char vredalpha1 = VECUINT8_LITERAL( | ||
418 | 0x10, 0x00, 0x01, 0x01, | ||
419 | 0x10, 0x02, 0x01, 0x01, | ||
420 | 0x10, 0x04, 0x01, 0x01, | ||
421 | 0x10, 0x06, 0x01, 0x01 | ||
422 | ); | ||
423 | vector unsigned char vredalpha2 = (vector unsigned char)( | ||
424 | vec_add((vector unsigned int)vredalpha1, vec_sl(v8, v16)) | ||
425 | ); | ||
426 | /* | ||
427 | 0x00 - 0x0f is ARxx ARxx ARxx ARxx | ||
428 | 0x11 - 0x0f odds are blue | ||
429 | */ | ||
430 | vector unsigned char vblue1 = VECUINT8_LITERAL( | ||
431 | 0x00, 0x01, 0x02, 0x11, | ||
432 | 0x04, 0x05, 0x06, 0x13, | ||
433 | 0x08, 0x09, 0x0a, 0x15, | ||
434 | 0x0c, 0x0d, 0x0e, 0x17 | ||
435 | ); | ||
436 | vector unsigned char vblue2 = (vector unsigned char)( | ||
437 | vec_add((vector unsigned int)vblue1, v8) | ||
438 | ); | ||
439 | /* | ||
440 | 0x00 - 0x0f is ARxB ARxB ARxB ARxB | ||
441 | 0x10 - 0x0e evens are green | ||
442 | */ | ||
443 | vector unsigned char vgreen1 = VECUINT8_LITERAL( | ||
444 | 0x00, 0x01, 0x10, 0x03, | ||
445 | 0x04, 0x05, 0x12, 0x07, | ||
446 | 0x08, 0x09, 0x14, 0x0b, | ||
447 | 0x0c, 0x0d, 0x16, 0x0f | ||
448 | ); | ||
449 | vector unsigned char vgreen2 = (vector unsigned char)( | ||
450 | vec_add((vector unsigned int)vgreen1, vec_sl(v8, v8)) | ||
451 | ); | ||
452 | |||
453 | |||
454 | assert(srcfmt->BytesPerPixel == 2); | ||
455 | assert(dstfmt->BytesPerPixel == 4); | ||
456 | |||
457 | vf800 = (vector unsigned short)vec_splat_u8(-7); | ||
458 | vf800 = vec_sl(vf800, vec_splat_u16(8)); | ||
459 | |||
460 | if (dstfmt->Amask && srcfmt->alpha) { | ||
461 | ((unsigned char *)&valpha)[0] = alpha = srcfmt->alpha; | ||
462 | valpha = vec_splat(valpha, 0); | ||
463 | } else { | ||
464 | alpha = 0; | ||
465 | valpha = vec_splat_u8(0); | ||
466 | } | ||
467 | |||
468 | vpermute = calc_swizzle32(NULL, dstfmt); | ||
469 | while (height--) { | ||
470 | vector unsigned char valigner; | ||
471 | vector unsigned char voverflow; | ||
472 | vector unsigned char vsrc; | ||
473 | |||
474 | int width = info->d_width; | ||
475 | int extrawidth; | ||
476 | |||
477 | /* do scalar until we can align... */ | ||
478 | #define ONE_PIXEL_BLEND(condition, widthvar) \ | ||
479 | while (condition) { \ | ||
480 | unsigned sR, sG, sB; \ | ||
481 | unsigned short Pixel = *((unsigned short *)src); \ | ||
482 | sR = (Pixel >> 7) & 0xf8; \ | ||
483 | sG = (Pixel >> 2) & 0xf8; \ | ||
484 | sB = (Pixel << 3) & 0xf8; \ | ||
485 | ASSEMBLE_RGBA(dst, 4, dstfmt, sR, sG, sB, alpha); \ | ||
486 | src += 2; \ | ||
487 | dst += 4; \ | ||
488 | widthvar--; \ | ||
489 | } | ||
490 | ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width); | ||
491 | |||
492 | /* After all that work, here's the vector part! */ | ||
493 | extrawidth = (width % 8); /* trailing unaligned stores */ | ||
494 | width -= extrawidth; | ||
495 | vsrc = vec_ld(0, src); | ||
496 | valigner = VEC_ALIGNER(src); | ||
497 | |||
498 | while (width) { | ||
499 | vector unsigned short vR, vG, vB; | ||
500 | vector unsigned char vdst1, vdst2; | ||
501 | |||
502 | voverflow = vec_ld(15, src); | ||
503 | vsrc = vec_perm(vsrc, voverflow, valigner); | ||
504 | |||
505 | vR = vec_and(vec_sl((vector unsigned short)vsrc,v1), vf800); | ||
506 | vB = vec_sl((vector unsigned short)vsrc, v3); | ||
507 | vG = vec_sl(vB, v3); | ||
508 | |||
509 | vdst1 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha1); | ||
510 | vdst1 = vec_perm(vdst1, (vector unsigned char)vB, vblue1); | ||
511 | vdst1 = vec_perm(vdst1, (vector unsigned char)vG, vgreen1); | ||
512 | vdst1 = vec_perm(vdst1, valpha, vpermute); | ||
513 | vec_st(vdst1, 0, dst); | ||
514 | |||
515 | vdst2 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha2); | ||
516 | vdst2 = vec_perm(vdst2, (vector unsigned char)vB, vblue2); | ||
517 | vdst2 = vec_perm(vdst2, (vector unsigned char)vG, vgreen2); | ||
518 | vdst2 = vec_perm(vdst2, valpha, vpermute); | ||
519 | vec_st(vdst2, 16, dst); | ||
520 | |||
521 | width -= 8; | ||
522 | dst += 32; | ||
523 | src += 16; | ||
524 | vsrc = voverflow; | ||
525 | } | ||
526 | |||
527 | assert(width == 0); | ||
528 | |||
529 | |||
530 | /* do scalar until we can align... */ | ||
531 | ONE_PIXEL_BLEND((extrawidth), extrawidth); | ||
532 | #undef ONE_PIXEL_BLEND | ||
533 | |||
534 | src += srcskip; /* move to next row, accounting for pitch. */ | ||
535 | dst += dstskip; | ||
536 | } | ||
537 | |||
538 | } | ||
539 | |||
540 | static void BlitNtoNKey(SDL_BlitInfo *info); | ||
541 | static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo *info); | ||
542 | static void Blit32to32KeyAltivec(SDL_BlitInfo *info) | ||
543 | { | ||
544 | int height = info->d_height; | ||
545 | Uint32 *srcp = (Uint32 *) info->s_pixels; | ||
546 | int srcskip = info->s_skip; | ||
547 | Uint32 *dstp = (Uint32 *) info->d_pixels; | ||
548 | int dstskip = info->d_skip; | ||
549 | SDL_PixelFormat *srcfmt = info->src; | ||
550 | int srcbpp = srcfmt->BytesPerPixel; | ||
551 | SDL_PixelFormat *dstfmt = info->dst; | ||
552 | int dstbpp = dstfmt->BytesPerPixel; | ||
553 | int copy_alpha = (srcfmt->Amask && dstfmt->Amask); | ||
554 | unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0; | ||
555 | Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; | ||
556 | Uint32 ckey = info->src->colorkey; | ||
557 | vector unsigned int valpha; | ||
558 | vector unsigned char vpermute; | ||
559 | vector unsigned char vzero; | ||
560 | vector unsigned int vckey; | ||
561 | vector unsigned int vrgbmask; | ||
562 | vpermute = calc_swizzle32(srcfmt, dstfmt); | ||
563 | if (info->d_width < 16) { | ||
564 | if(copy_alpha) { | ||
565 | BlitNtoNKeyCopyAlpha(info); | ||
566 | } else { | ||
567 | BlitNtoNKey(info); | ||
568 | } | ||
569 | return; | ||
570 | } | ||
571 | vzero = vec_splat_u8(0); | ||
572 | if (alpha) { | ||
573 | ((unsigned char *)&valpha)[0] = (unsigned char)alpha; | ||
574 | valpha = (vector unsigned int)vec_splat((vector unsigned char)valpha, 0); | ||
575 | } else { | ||
576 | valpha = (vector unsigned int)vzero; | ||
577 | } | ||
578 | ckey &= rgbmask; | ||
579 | ((unsigned int *)(char*)&vckey)[0] = ckey; | ||
580 | vckey = vec_splat(vckey, 0); | ||
581 | ((unsigned int *)(char*)&vrgbmask)[0] = rgbmask; | ||
582 | vrgbmask = vec_splat(vrgbmask, 0); | ||
583 | |||
584 | while (height--) { | ||
585 | #define ONE_PIXEL_BLEND(condition, widthvar) \ | ||
586 | if (copy_alpha) { \ | ||
587 | while (condition) { \ | ||
588 | Uint32 Pixel; \ | ||
589 | unsigned sR, sG, sB, sA; \ | ||
590 | DISEMBLE_RGBA((Uint8 *)srcp, srcbpp, srcfmt, Pixel, \ | ||
591 | sR, sG, sB, sA); \ | ||
592 | if ( (Pixel & rgbmask) != ckey ) { \ | ||
593 | ASSEMBLE_RGBA((Uint8 *)dstp, dstbpp, dstfmt, \ | ||
594 | sR, sG, sB, sA); \ | ||
595 | } \ | ||
596 | dstp = (Uint32 *) (((Uint8 *) dstp) + dstbpp); \ | ||
597 | srcp = (Uint32 *) (((Uint8 *) srcp) + srcbpp); \ | ||
598 | widthvar--; \ | ||
599 | } \ | ||
600 | } else { \ | ||
601 | while (condition) { \ | ||
602 | Uint32 Pixel; \ | ||
603 | unsigned sR, sG, sB; \ | ||
604 | RETRIEVE_RGB_PIXEL((Uint8 *)srcp, srcbpp, Pixel); \ | ||
605 | if ( Pixel != ckey ) { \ | ||
606 | RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); \ | ||
607 | ASSEMBLE_RGBA((Uint8 *)dstp, dstbpp, dstfmt, \ | ||
608 | sR, sG, sB, alpha); \ | ||
609 | } \ | ||
610 | dstp = (Uint32 *) (((Uint8 *)dstp) + dstbpp); \ | ||
611 | srcp = (Uint32 *) (((Uint8 *)srcp) + srcbpp); \ | ||
612 | widthvar--; \ | ||
613 | } \ | ||
614 | } | ||
615 | int width = info->d_width; | ||
616 | ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); | ||
617 | assert(width > 0); | ||
618 | if (width > 0) { | ||
619 | int extrawidth = (width % 4); | ||
620 | vector unsigned char valigner = VEC_ALIGNER(srcp); | ||
621 | vector unsigned int vs = vec_ld(0, srcp); | ||
622 | width -= extrawidth; | ||
623 | assert(width >= 4); | ||
624 | while (width) { | ||
625 | vector unsigned char vsel; | ||
626 | vector unsigned int vd; | ||
627 | vector unsigned int voverflow = vec_ld(15, srcp); | ||
628 | /* load the source vec */ | ||
629 | vs = vec_perm(vs, voverflow, valigner); | ||
630 | /* vsel is set for items that match the key */ | ||
631 | vsel = (vector unsigned char)vec_and(vs, vrgbmask); | ||
632 | vsel = (vector unsigned char)vec_cmpeq(vs, vckey); | ||
633 | /* permute the src vec to the dest format */ | ||
634 | vs = vec_perm(vs, valpha, vpermute); | ||
635 | /* load the destination vec */ | ||
636 | vd = vec_ld(0, dstp); | ||
637 | /* select the source and dest into vs */ | ||
638 | vd = (vector unsigned int)vec_sel((vector unsigned char)vs, (vector unsigned char)vd, vsel); | ||
639 | |||
640 | vec_st(vd, 0, dstp); | ||
641 | srcp += 4; | ||
642 | width -= 4; | ||
643 | dstp += 4; | ||
644 | vs = voverflow; | ||
645 | } | ||
646 | ONE_PIXEL_BLEND((extrawidth), extrawidth); | ||
647 | #undef ONE_PIXEL_BLEND | ||
648 | srcp += srcskip >> 2; | ||
649 | dstp += dstskip >> 2; | ||
650 | } | ||
651 | } | ||
652 | } | ||
653 | |||
654 | /* Altivec code to swizzle one 32-bit surface to a different 32-bit format. */ | ||
655 | /* Use this on a G5 */ | ||
656 | static void ConvertAltivec32to32_noprefetch(SDL_BlitInfo *info) | ||
657 | { | ||
658 | int height = info->d_height; | ||
659 | Uint32 *src = (Uint32 *) info->s_pixels; | ||
660 | int srcskip = info->s_skip; | ||
661 | Uint32 *dst = (Uint32 *) info->d_pixels; | ||
662 | int dstskip = info->d_skip; | ||
663 | SDL_PixelFormat *srcfmt = info->src; | ||
664 | SDL_PixelFormat *dstfmt = info->dst; | ||
665 | vector unsigned int vzero = vec_splat_u32(0); | ||
666 | vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt); | ||
667 | if (dstfmt->Amask && !srcfmt->Amask) { | ||
668 | if (srcfmt->alpha) { | ||
669 | vector unsigned char valpha; | ||
670 | ((unsigned char *)&valpha)[0] = srcfmt->alpha; | ||
671 | vzero = (vector unsigned int)vec_splat(valpha, 0); | ||
672 | } | ||
673 | } | ||
674 | |||
675 | assert(srcfmt->BytesPerPixel == 4); | ||
676 | assert(dstfmt->BytesPerPixel == 4); | ||
677 | |||
678 | while (height--) { | ||
679 | vector unsigned char valigner; | ||
680 | vector unsigned int vbits; | ||
681 | vector unsigned int voverflow; | ||
682 | Uint32 bits; | ||
683 | Uint8 r, g, b, a; | ||
684 | |||
685 | int width = info->d_width; | ||
686 | int extrawidth; | ||
687 | |||
688 | /* do scalar until we can align... */ | ||
689 | while ((UNALIGNED_PTR(dst)) && (width)) { | ||
690 | bits = *(src++); | ||
691 | RGBA_FROM_8888(bits, srcfmt, r, g, b, a); | ||
692 | *(dst++) = MAKE8888(dstfmt, r, g, b, a); | ||
693 | width--; | ||
694 | } | ||
695 | |||
696 | /* After all that work, here's the vector part! */ | ||
697 | extrawidth = (width % 4); | ||
698 | width -= extrawidth; | ||
699 | valigner = VEC_ALIGNER(src); | ||
700 | vbits = vec_ld(0, src); | ||
701 | |||
702 | while (width) { | ||
703 | voverflow = vec_ld(15, src); | ||
704 | src += 4; | ||
705 | width -= 4; | ||
706 | vbits = vec_perm(vbits, voverflow, valigner); /* src is ready. */ | ||
707 | vbits = vec_perm(vbits, vzero, vpermute); /* swizzle it. */ | ||
708 | vec_st(vbits, 0, dst); /* store it back out. */ | ||
709 | dst += 4; | ||
710 | vbits = voverflow; | ||
711 | } | ||
712 | |||
713 | assert(width == 0); | ||
714 | |||
715 | /* cover pixels at the end of the row that didn't fit in 16 bytes. */ | ||
716 | while (extrawidth) { | ||
717 | bits = *(src++); /* max 7 pixels, don't bother with prefetch. */ | ||
718 | RGBA_FROM_8888(bits, srcfmt, r, g, b, a); | ||
719 | *(dst++) = MAKE8888(dstfmt, r, g, b, a); | ||
720 | extrawidth--; | ||
721 | } | ||
722 | |||
723 | src += srcskip >> 2; /* move to next row, accounting for pitch. */ | ||
724 | dst += dstskip >> 2; | ||
725 | } | ||
726 | |||
727 | } | ||
728 | |||
729 | /* Altivec code to swizzle one 32-bit surface to a different 32-bit format. */ | ||
730 | /* Use this on a G4 */ | ||
731 | static void ConvertAltivec32to32_prefetch(SDL_BlitInfo *info) | ||
732 | { | ||
733 | const int scalar_dst_lead = sizeof (Uint32) * 4; | ||
734 | const int vector_dst_lead = sizeof (Uint32) * 16; | ||
735 | |||
736 | int height = info->d_height; | ||
737 | Uint32 *src = (Uint32 *) info->s_pixels; | ||
738 | int srcskip = info->s_skip; | ||
739 | Uint32 *dst = (Uint32 *) info->d_pixels; | ||
740 | int dstskip = info->d_skip; | ||
741 | SDL_PixelFormat *srcfmt = info->src; | ||
742 | SDL_PixelFormat *dstfmt = info->dst; | ||
743 | vector unsigned int vzero = vec_splat_u32(0); | ||
744 | vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt); | ||
745 | if (dstfmt->Amask && !srcfmt->Amask) { | ||
746 | if (srcfmt->alpha) { | ||
747 | vector unsigned char valpha; | ||
748 | ((unsigned char *)&valpha)[0] = srcfmt->alpha; | ||
749 | vzero = (vector unsigned int)vec_splat(valpha, 0); | ||
750 | } | ||
751 | } | ||
752 | |||
753 | assert(srcfmt->BytesPerPixel == 4); | ||
754 | assert(dstfmt->BytesPerPixel == 4); | ||
755 | |||
756 | while (height--) { | ||
757 | vector unsigned char valigner; | ||
758 | vector unsigned int vbits; | ||
759 | vector unsigned int voverflow; | ||
760 | Uint32 bits; | ||
761 | Uint8 r, g, b, a; | ||
762 | |||
763 | int width = info->d_width; | ||
764 | int extrawidth; | ||
765 | |||
766 | /* do scalar until we can align... */ | ||
767 | while ((UNALIGNED_PTR(dst)) && (width)) { | ||
768 | vec_dstt(src+scalar_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_SRC); | ||
769 | vec_dstst(dst+scalar_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_DEST); | ||
770 | bits = *(src++); | ||
771 | RGBA_FROM_8888(bits, srcfmt, r, g, b, a); | ||
772 | *(dst++) = MAKE8888(dstfmt, r, g, b, a); | ||
773 | width--; | ||
774 | } | ||
775 | |||
776 | /* After all that work, here's the vector part! */ | ||
777 | extrawidth = (width % 4); | ||
778 | width -= extrawidth; | ||
779 | valigner = VEC_ALIGNER(src); | ||
780 | vbits = vec_ld(0, src); | ||
781 | |||
782 | while (width) { | ||
783 | vec_dstt(src+vector_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_SRC); | ||
784 | vec_dstst(dst+vector_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_DEST); | ||
785 | voverflow = vec_ld(15, src); | ||
786 | src += 4; | ||
787 | width -= 4; | ||
788 | vbits = vec_perm(vbits, voverflow, valigner); /* src is ready. */ | ||
789 | vbits = vec_perm(vbits, vzero, vpermute); /* swizzle it. */ | ||
790 | vec_st(vbits, 0, dst); /* store it back out. */ | ||
791 | dst += 4; | ||
792 | vbits = voverflow; | ||
793 | } | ||
794 | |||
795 | assert(width == 0); | ||
796 | |||
797 | /* cover pixels at the end of the row that didn't fit in 16 bytes. */ | ||
798 | while (extrawidth) { | ||
799 | bits = *(src++); /* max 7 pixels, don't bother with prefetch. */ | ||
800 | RGBA_FROM_8888(bits, srcfmt, r, g, b, a); | ||
801 | *(dst++) = MAKE8888(dstfmt, r, g, b, a); | ||
802 | extrawidth--; | ||
803 | } | ||
804 | |||
805 | src += srcskip >> 2; /* move to next row, accounting for pitch. */ | ||
806 | dst += dstskip >> 2; | ||
807 | } | ||
808 | |||
809 | vec_dss(DST_CHAN_SRC); | ||
810 | vec_dss(DST_CHAN_DEST); | ||
811 | } | ||
812 | |||
813 | static Uint32 GetBlitFeatures( void ) | ||
814 | { | ||
815 | static Uint32 features = 0xffffffff; | ||
816 | if (features == 0xffffffff) { | ||
817 | /* Provide an override for testing .. */ | ||
818 | char *override = SDL_getenv("SDL_ALTIVEC_BLIT_FEATURES"); | ||
819 | if (override) { | ||
820 | features = 0; | ||
821 | SDL_sscanf(override, "%u", &features); | ||
822 | } else { | ||
823 | features = ( 0 | ||
824 | /* Feature 1 is has-MMX */ | ||
825 | | ((SDL_HasMMX()) ? 1 : 0) | ||
826 | /* Feature 2 is has-AltiVec */ | ||
827 | | ((SDL_HasAltiVec()) ? 2 : 0) | ||
828 | /* Feature 4 is dont-use-prefetch */ | ||
829 | /* !!!! FIXME: Check for G5 or later, not the cache size! Always prefetch on a G4. */ | ||
830 | | ((GetL3CacheSize() == 0) ? 4 : 0) | ||
831 | ); | ||
832 | } | ||
833 | } | ||
834 | return features; | ||
835 | } | ||
836 | #if __MWERKS__ | ||
837 | #pragma altivec_model off | ||
838 | #endif | ||
839 | #else | ||
840 | /* Feature 1 is has-MMX */ | ||
841 | #define GetBlitFeatures() ((Uint32)(SDL_HasMMX() ? 1 : 0)) | ||
842 | #endif | ||
843 | |||
844 | /* This is now endian dependent */ | ||
845 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN | ||
846 | #define HI 1 | ||
847 | #define LO 0 | ||
848 | #else /* SDL_BYTEORDER == SDL_BIG_ENDIAN */ | ||
849 | #define HI 0 | ||
850 | #define LO 1 | ||
851 | #endif | ||
852 | |||
853 | #if SDL_HERMES_BLITTERS | ||
854 | |||
855 | /* Heheheh, we coerce Hermes into using SDL blit information */ | ||
856 | #define X86_ASSEMBLER | ||
857 | #define HermesConverterInterface SDL_BlitInfo | ||
858 | #define HermesClearInterface void | ||
859 | #define STACKCALL | ||
860 | |||
861 | #include "../hermes/HeadMMX.h" | ||
862 | #include "../hermes/HeadX86.h" | ||
863 | |||
864 | #else | ||
865 | |||
866 | /* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */ | ||
867 | #define RGB888_RGB332(dst, src) { \ | ||
868 | dst = (Uint8)((((src)&0x00E00000)>>16)| \ | ||
869 | (((src)&0x0000E000)>>11)| \ | ||
870 | (((src)&0x000000C0)>>6)); \ | ||
871 | } | ||
872 | static void Blit_RGB888_index8(SDL_BlitInfo *info) | ||
873 | { | ||
874 | #ifndef USE_DUFFS_LOOP | ||
875 | int c; | ||
876 | #endif | ||
877 | int width, height; | ||
878 | Uint32 *src; | ||
879 | const Uint8 *map; | ||
880 | Uint8 *dst; | ||
881 | int srcskip, dstskip; | ||
882 | |||
883 | /* Set up some basic variables */ | ||
884 | width = info->d_width; | ||
885 | height = info->d_height; | ||
886 | src = (Uint32 *)info->s_pixels; | ||
887 | srcskip = info->s_skip/4; | ||
888 | dst = info->d_pixels; | ||
889 | dstskip = info->d_skip; | ||
890 | map = info->table; | ||
891 | |||
892 | if ( map == NULL ) { | ||
893 | while ( height-- ) { | ||
894 | #ifdef USE_DUFFS_LOOP | ||
895 | DUFFS_LOOP( | ||
896 | RGB888_RGB332(*dst++, *src); | ||
897 | , width); | ||
898 | #else | ||
899 | for ( c=width/4; c; --c ) { | ||
900 | /* Pack RGB into 8bit pixel */ | ||
901 | ++src; | ||
902 | RGB888_RGB332(*dst++, *src); | ||
903 | ++src; | ||
904 | RGB888_RGB332(*dst++, *src); | ||
905 | ++src; | ||
906 | RGB888_RGB332(*dst++, *src); | ||
907 | ++src; | ||
908 | } | ||
909 | switch ( width & 3 ) { | ||
910 | case 3: | ||
911 | RGB888_RGB332(*dst++, *src); | ||
912 | ++src; | ||
913 | case 2: | ||
914 | RGB888_RGB332(*dst++, *src); | ||
915 | ++src; | ||
916 | case 1: | ||
917 | RGB888_RGB332(*dst++, *src); | ||
918 | ++src; | ||
919 | } | ||
920 | #endif /* USE_DUFFS_LOOP */ | ||
921 | src += srcskip; | ||
922 | dst += dstskip; | ||
923 | } | ||
924 | } else { | ||
925 | int Pixel; | ||
926 | |||
927 | while ( height-- ) { | ||
928 | #ifdef USE_DUFFS_LOOP | ||
929 | DUFFS_LOOP( | ||
930 | RGB888_RGB332(Pixel, *src); | ||
931 | *dst++ = map[Pixel]; | ||
932 | ++src; | ||
933 | , width); | ||
934 | #else | ||
935 | for ( c=width/4; c; --c ) { | ||
936 | /* Pack RGB into 8bit pixel */ | ||
937 | RGB888_RGB332(Pixel, *src); | ||
938 | *dst++ = map[Pixel]; | ||
939 | ++src; | ||
940 | RGB888_RGB332(Pixel, *src); | ||
941 | *dst++ = map[Pixel]; | ||
942 | ++src; | ||
943 | RGB888_RGB332(Pixel, *src); | ||
944 | *dst++ = map[Pixel]; | ||
945 | ++src; | ||
946 | RGB888_RGB332(Pixel, *src); | ||
947 | *dst++ = map[Pixel]; | ||
948 | ++src; | ||
949 | } | ||
950 | switch ( width & 3 ) { | ||
951 | case 3: | ||
952 | RGB888_RGB332(Pixel, *src); | ||
953 | *dst++ = map[Pixel]; | ||
954 | ++src; | ||
955 | case 2: | ||
956 | RGB888_RGB332(Pixel, *src); | ||
957 | *dst++ = map[Pixel]; | ||
958 | ++src; | ||
959 | case 1: | ||
960 | RGB888_RGB332(Pixel, *src); | ||
961 | *dst++ = map[Pixel]; | ||
962 | ++src; | ||
963 | } | ||
964 | #endif /* USE_DUFFS_LOOP */ | ||
965 | src += srcskip; | ||
966 | dst += dstskip; | ||
967 | } | ||
968 | } | ||
969 | } | ||
970 | /* Special optimized blit for RGB 8-8-8 --> RGB 5-5-5 */ | ||
971 | #define RGB888_RGB555(dst, src) { \ | ||
972 | *(Uint16 *)(dst) = (Uint16)((((*src)&0x00F80000)>>9)| \ | ||
973 | (((*src)&0x0000F800)>>6)| \ | ||
974 | (((*src)&0x000000F8)>>3)); \ | ||
975 | } | ||
976 | #define RGB888_RGB555_TWO(dst, src) { \ | ||
977 | *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>9)| \ | ||
978 | (((src[HI])&0x0000F800)>>6)| \ | ||
979 | (((src[HI])&0x000000F8)>>3))<<16)| \ | ||
980 | (((src[LO])&0x00F80000)>>9)| \ | ||
981 | (((src[LO])&0x0000F800)>>6)| \ | ||
982 | (((src[LO])&0x000000F8)>>3); \ | ||
983 | } | ||
984 | static void Blit_RGB888_RGB555(SDL_BlitInfo *info) | ||
985 | { | ||
986 | #ifndef USE_DUFFS_LOOP | ||
987 | int c; | ||
988 | #endif | ||
989 | int width, height; | ||
990 | Uint32 *src; | ||
991 | Uint16 *dst; | ||
992 | int srcskip, dstskip; | ||
993 | |||
994 | /* Set up some basic variables */ | ||
995 | width = info->d_width; | ||
996 | height = info->d_height; | ||
997 | src = (Uint32 *)info->s_pixels; | ||
998 | srcskip = info->s_skip/4; | ||
999 | dst = (Uint16 *)info->d_pixels; | ||
1000 | dstskip = info->d_skip/2; | ||
1001 | |||
1002 | #ifdef USE_DUFFS_LOOP | ||
1003 | while ( height-- ) { | ||
1004 | DUFFS_LOOP( | ||
1005 | RGB888_RGB555(dst, src); | ||
1006 | ++src; | ||
1007 | ++dst; | ||
1008 | , width); | ||
1009 | src += srcskip; | ||
1010 | dst += dstskip; | ||
1011 | } | ||
1012 | #else | ||
1013 | /* Memory align at 4-byte boundary, if necessary */ | ||
1014 | if ( (long)dst & 0x03 ) { | ||
1015 | /* Don't do anything if width is 0 */ | ||
1016 | if ( width == 0 ) { | ||
1017 | return; | ||
1018 | } | ||
1019 | --width; | ||
1020 | |||
1021 | while ( height-- ) { | ||
1022 | /* Perform copy alignment */ | ||
1023 | RGB888_RGB555(dst, src); | ||
1024 | ++src; | ||
1025 | ++dst; | ||
1026 | |||
1027 | /* Copy in 4 pixel chunks */ | ||
1028 | for ( c=width/4; c; --c ) { | ||
1029 | RGB888_RGB555_TWO(dst, src); | ||
1030 | src += 2; | ||
1031 | dst += 2; | ||
1032 | RGB888_RGB555_TWO(dst, src); | ||
1033 | src += 2; | ||
1034 | dst += 2; | ||
1035 | } | ||
1036 | /* Get any leftovers */ | ||
1037 | switch (width & 3) { | ||
1038 | case 3: | ||
1039 | RGB888_RGB555(dst, src); | ||
1040 | ++src; | ||
1041 | ++dst; | ||
1042 | case 2: | ||
1043 | RGB888_RGB555_TWO(dst, src); | ||
1044 | src += 2; | ||
1045 | dst += 2; | ||
1046 | break; | ||
1047 | case 1: | ||
1048 | RGB888_RGB555(dst, src); | ||
1049 | ++src; | ||
1050 | ++dst; | ||
1051 | break; | ||
1052 | } | ||
1053 | src += srcskip; | ||
1054 | dst += dstskip; | ||
1055 | } | ||
1056 | } else { | ||
1057 | while ( height-- ) { | ||
1058 | /* Copy in 4 pixel chunks */ | ||
1059 | for ( c=width/4; c; --c ) { | ||
1060 | RGB888_RGB555_TWO(dst, src); | ||
1061 | src += 2; | ||
1062 | dst += 2; | ||
1063 | RGB888_RGB555_TWO(dst, src); | ||
1064 | src += 2; | ||
1065 | dst += 2; | ||
1066 | } | ||
1067 | /* Get any leftovers */ | ||
1068 | switch (width & 3) { | ||
1069 | case 3: | ||
1070 | RGB888_RGB555(dst, src); | ||
1071 | ++src; | ||
1072 | ++dst; | ||
1073 | case 2: | ||
1074 | RGB888_RGB555_TWO(dst, src); | ||
1075 | src += 2; | ||
1076 | dst += 2; | ||
1077 | break; | ||
1078 | case 1: | ||
1079 | RGB888_RGB555(dst, src); | ||
1080 | ++src; | ||
1081 | ++dst; | ||
1082 | break; | ||
1083 | } | ||
1084 | src += srcskip; | ||
1085 | dst += dstskip; | ||
1086 | } | ||
1087 | } | ||
1088 | #endif /* USE_DUFFS_LOOP */ | ||
1089 | } | ||
1090 | /* Special optimized blit for RGB 8-8-8 --> RGB 5-6-5 */ | ||
1091 | #define RGB888_RGB565(dst, src) { \ | ||
1092 | *(Uint16 *)(dst) = (Uint16)((((*src)&0x00F80000)>>8)| \ | ||
1093 | (((*src)&0x0000FC00)>>5)| \ | ||
1094 | (((*src)&0x000000F8)>>3)); \ | ||
1095 | } | ||
1096 | #define RGB888_RGB565_TWO(dst, src) { \ | ||
1097 | *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>8)| \ | ||
1098 | (((src[HI])&0x0000FC00)>>5)| \ | ||
1099 | (((src[HI])&0x000000F8)>>3))<<16)| \ | ||
1100 | (((src[LO])&0x00F80000)>>8)| \ | ||
1101 | (((src[LO])&0x0000FC00)>>5)| \ | ||
1102 | (((src[LO])&0x000000F8)>>3); \ | ||
1103 | } | ||
1104 | static void Blit_RGB888_RGB565(SDL_BlitInfo *info) | ||
1105 | { | ||
1106 | #ifndef USE_DUFFS_LOOP | ||
1107 | int c; | ||
1108 | #endif | ||
1109 | int width, height; | ||
1110 | Uint32 *src; | ||
1111 | Uint16 *dst; | ||
1112 | int srcskip, dstskip; | ||
1113 | |||
1114 | /* Set up some basic variables */ | ||
1115 | width = info->d_width; | ||
1116 | height = info->d_height; | ||
1117 | src = (Uint32 *)info->s_pixels; | ||
1118 | srcskip = info->s_skip/4; | ||
1119 | dst = (Uint16 *)info->d_pixels; | ||
1120 | dstskip = info->d_skip/2; | ||
1121 | |||
1122 | #ifdef USE_DUFFS_LOOP | ||
1123 | while ( height-- ) { | ||
1124 | DUFFS_LOOP( | ||
1125 | RGB888_RGB565(dst, src); | ||
1126 | ++src; | ||
1127 | ++dst; | ||
1128 | , width); | ||
1129 | src += srcskip; | ||
1130 | dst += dstskip; | ||
1131 | } | ||
1132 | #else | ||
1133 | /* Memory align at 4-byte boundary, if necessary */ | ||
1134 | if ( (long)dst & 0x03 ) { | ||
1135 | /* Don't do anything if width is 0 */ | ||
1136 | if ( width == 0 ) { | ||
1137 | return; | ||
1138 | } | ||
1139 | --width; | ||
1140 | |||
1141 | while ( height-- ) { | ||
1142 | /* Perform copy alignment */ | ||
1143 | RGB888_RGB565(dst, src); | ||
1144 | ++src; | ||
1145 | ++dst; | ||
1146 | |||
1147 | /* Copy in 4 pixel chunks */ | ||
1148 | for ( c=width/4; c; --c ) { | ||
1149 | RGB888_RGB565_TWO(dst, src); | ||
1150 | src += 2; | ||
1151 | dst += 2; | ||
1152 | RGB888_RGB565_TWO(dst, src); | ||
1153 | src += 2; | ||
1154 | dst += 2; | ||
1155 | } | ||
1156 | /* Get any leftovers */ | ||
1157 | switch (width & 3) { | ||
1158 | case 3: | ||
1159 | RGB888_RGB565(dst, src); | ||
1160 | ++src; | ||
1161 | ++dst; | ||
1162 | case 2: | ||
1163 | RGB888_RGB565_TWO(dst, src); | ||
1164 | src += 2; | ||
1165 | dst += 2; | ||
1166 | break; | ||
1167 | case 1: | ||
1168 | RGB888_RGB565(dst, src); | ||
1169 | ++src; | ||
1170 | ++dst; | ||
1171 | break; | ||
1172 | } | ||
1173 | src += srcskip; | ||
1174 | dst += dstskip; | ||
1175 | } | ||
1176 | } else { | ||
1177 | while ( height-- ) { | ||
1178 | /* Copy in 4 pixel chunks */ | ||
1179 | for ( c=width/4; c; --c ) { | ||
1180 | RGB888_RGB565_TWO(dst, src); | ||
1181 | src += 2; | ||
1182 | dst += 2; | ||
1183 | RGB888_RGB565_TWO(dst, src); | ||
1184 | src += 2; | ||
1185 | dst += 2; | ||
1186 | } | ||
1187 | /* Get any leftovers */ | ||
1188 | switch (width & 3) { | ||
1189 | case 3: | ||
1190 | RGB888_RGB565(dst, src); | ||
1191 | ++src; | ||
1192 | ++dst; | ||
1193 | case 2: | ||
1194 | RGB888_RGB565_TWO(dst, src); | ||
1195 | src += 2; | ||
1196 | dst += 2; | ||
1197 | break; | ||
1198 | case 1: | ||
1199 | RGB888_RGB565(dst, src); | ||
1200 | ++src; | ||
1201 | ++dst; | ||
1202 | break; | ||
1203 | } | ||
1204 | src += srcskip; | ||
1205 | dst += dstskip; | ||
1206 | } | ||
1207 | } | ||
1208 | #endif /* USE_DUFFS_LOOP */ | ||
1209 | } | ||
1210 | |||
1211 | #endif /* SDL_HERMES_BLITTERS */ | ||
1212 | |||
1213 | |||
1214 | /* Special optimized blit for RGB 5-6-5 --> 32-bit RGB surfaces */ | ||
1215 | #define RGB565_32(dst, src, map) (map[src[LO]*2] + map[src[HI]*2+1]) | ||
1216 | static void Blit_RGB565_32(SDL_BlitInfo *info, const Uint32 *map) | ||
1217 | { | ||
1218 | #ifndef USE_DUFFS_LOOP | ||
1219 | int c; | ||
1220 | #endif | ||
1221 | int width, height; | ||
1222 | Uint8 *src; | ||
1223 | Uint32 *dst; | ||
1224 | int srcskip, dstskip; | ||
1225 | |||
1226 | /* Set up some basic variables */ | ||
1227 | width = info->d_width; | ||
1228 | height = info->d_height; | ||
1229 | src = (Uint8 *)info->s_pixels; | ||
1230 | srcskip = info->s_skip; | ||
1231 | dst = (Uint32 *)info->d_pixels; | ||
1232 | dstskip = info->d_skip/4; | ||
1233 | |||
1234 | #ifdef USE_DUFFS_LOOP | ||
1235 | while ( height-- ) { | ||
1236 | DUFFS_LOOP( | ||
1237 | { | ||
1238 | *dst++ = RGB565_32(dst, src, map); | ||
1239 | src += 2; | ||
1240 | }, | ||
1241 | width); | ||
1242 | src += srcskip; | ||
1243 | dst += dstskip; | ||
1244 | } | ||
1245 | #else | ||
1246 | while ( height-- ) { | ||
1247 | /* Copy in 4 pixel chunks */ | ||
1248 | for ( c=width/4; c; --c ) { | ||
1249 | *dst++ = RGB565_32(dst, src, map); | ||
1250 | src += 2; | ||
1251 | *dst++ = RGB565_32(dst, src, map); | ||
1252 | src += 2; | ||
1253 | *dst++ = RGB565_32(dst, src, map); | ||
1254 | src += 2; | ||
1255 | *dst++ = RGB565_32(dst, src, map); | ||
1256 | src += 2; | ||
1257 | } | ||
1258 | /* Get any leftovers */ | ||
1259 | switch (width & 3) { | ||
1260 | case 3: | ||
1261 | *dst++ = RGB565_32(dst, src, map); | ||
1262 | src += 2; | ||
1263 | case 2: | ||
1264 | *dst++ = RGB565_32(dst, src, map); | ||
1265 | src += 2; | ||
1266 | case 1: | ||
1267 | *dst++ = RGB565_32(dst, src, map); | ||
1268 | src += 2; | ||
1269 | break; | ||
1270 | } | ||
1271 | src += srcskip; | ||
1272 | dst += dstskip; | ||
1273 | } | ||
1274 | #endif /* USE_DUFFS_LOOP */ | ||
1275 | } | ||
1276 | |||
1277 | /* Special optimized blit for RGB 5-6-5 --> ARGB 8-8-8-8 */ | ||
1278 | static const Uint32 RGB565_ARGB8888_LUT[512] = { | ||
1279 | 0x00000000, 0xff000000, 0x00000008, 0xff002000, | ||
1280 | 0x00000010, 0xff004000, 0x00000018, 0xff006100, | ||
1281 | 0x00000020, 0xff008100, 0x00000029, 0xff00a100, | ||
1282 | 0x00000031, 0xff00c200, 0x00000039, 0xff00e200, | ||
1283 | 0x00000041, 0xff080000, 0x0000004a, 0xff082000, | ||
1284 | 0x00000052, 0xff084000, 0x0000005a, 0xff086100, | ||
1285 | 0x00000062, 0xff088100, 0x0000006a, 0xff08a100, | ||
1286 | 0x00000073, 0xff08c200, 0x0000007b, 0xff08e200, | ||
1287 | 0x00000083, 0xff100000, 0x0000008b, 0xff102000, | ||
1288 | 0x00000094, 0xff104000, 0x0000009c, 0xff106100, | ||
1289 | 0x000000a4, 0xff108100, 0x000000ac, 0xff10a100, | ||
1290 | 0x000000b4, 0xff10c200, 0x000000bd, 0xff10e200, | ||
1291 | 0x000000c5, 0xff180000, 0x000000cd, 0xff182000, | ||
1292 | 0x000000d5, 0xff184000, 0x000000de, 0xff186100, | ||
1293 | 0x000000e6, 0xff188100, 0x000000ee, 0xff18a100, | ||
1294 | 0x000000f6, 0xff18c200, 0x000000ff, 0xff18e200, | ||
1295 | 0x00000400, 0xff200000, 0x00000408, 0xff202000, | ||
1296 | 0x00000410, 0xff204000, 0x00000418, 0xff206100, | ||
1297 | 0x00000420, 0xff208100, 0x00000429, 0xff20a100, | ||
1298 | 0x00000431, 0xff20c200, 0x00000439, 0xff20e200, | ||
1299 | 0x00000441, 0xff290000, 0x0000044a, 0xff292000, | ||
1300 | 0x00000452, 0xff294000, 0x0000045a, 0xff296100, | ||
1301 | 0x00000462, 0xff298100, 0x0000046a, 0xff29a100, | ||
1302 | 0x00000473, 0xff29c200, 0x0000047b, 0xff29e200, | ||
1303 | 0x00000483, 0xff310000, 0x0000048b, 0xff312000, | ||
1304 | 0x00000494, 0xff314000, 0x0000049c, 0xff316100, | ||
1305 | 0x000004a4, 0xff318100, 0x000004ac, 0xff31a100, | ||
1306 | 0x000004b4, 0xff31c200, 0x000004bd, 0xff31e200, | ||
1307 | 0x000004c5, 0xff390000, 0x000004cd, 0xff392000, | ||
1308 | 0x000004d5, 0xff394000, 0x000004de, 0xff396100, | ||
1309 | 0x000004e6, 0xff398100, 0x000004ee, 0xff39a100, | ||
1310 | 0x000004f6, 0xff39c200, 0x000004ff, 0xff39e200, | ||
1311 | 0x00000800, 0xff410000, 0x00000808, 0xff412000, | ||
1312 | 0x00000810, 0xff414000, 0x00000818, 0xff416100, | ||
1313 | 0x00000820, 0xff418100, 0x00000829, 0xff41a100, | ||
1314 | 0x00000831, 0xff41c200, 0x00000839, 0xff41e200, | ||
1315 | 0x00000841, 0xff4a0000, 0x0000084a, 0xff4a2000, | ||
1316 | 0x00000852, 0xff4a4000, 0x0000085a, 0xff4a6100, | ||
1317 | 0x00000862, 0xff4a8100, 0x0000086a, 0xff4aa100, | ||
1318 | 0x00000873, 0xff4ac200, 0x0000087b, 0xff4ae200, | ||
1319 | 0x00000883, 0xff520000, 0x0000088b, 0xff522000, | ||
1320 | 0x00000894, 0xff524000, 0x0000089c, 0xff526100, | ||
1321 | 0x000008a4, 0xff528100, 0x000008ac, 0xff52a100, | ||
1322 | 0x000008b4, 0xff52c200, 0x000008bd, 0xff52e200, | ||
1323 | 0x000008c5, 0xff5a0000, 0x000008cd, 0xff5a2000, | ||
1324 | 0x000008d5, 0xff5a4000, 0x000008de, 0xff5a6100, | ||
1325 | 0x000008e6, 0xff5a8100, 0x000008ee, 0xff5aa100, | ||
1326 | 0x000008f6, 0xff5ac200, 0x000008ff, 0xff5ae200, | ||
1327 | 0x00000c00, 0xff620000, 0x00000c08, 0xff622000, | ||
1328 | 0x00000c10, 0xff624000, 0x00000c18, 0xff626100, | ||
1329 | 0x00000c20, 0xff628100, 0x00000c29, 0xff62a100, | ||
1330 | 0x00000c31, 0xff62c200, 0x00000c39, 0xff62e200, | ||
1331 | 0x00000c41, 0xff6a0000, 0x00000c4a, 0xff6a2000, | ||
1332 | 0x00000c52, 0xff6a4000, 0x00000c5a, 0xff6a6100, | ||
1333 | 0x00000c62, 0xff6a8100, 0x00000c6a, 0xff6aa100, | ||
1334 | 0x00000c73, 0xff6ac200, 0x00000c7b, 0xff6ae200, | ||
1335 | 0x00000c83, 0xff730000, 0x00000c8b, 0xff732000, | ||
1336 | 0x00000c94, 0xff734000, 0x00000c9c, 0xff736100, | ||
1337 | 0x00000ca4, 0xff738100, 0x00000cac, 0xff73a100, | ||
1338 | 0x00000cb4, 0xff73c200, 0x00000cbd, 0xff73e200, | ||
1339 | 0x00000cc5, 0xff7b0000, 0x00000ccd, 0xff7b2000, | ||
1340 | 0x00000cd5, 0xff7b4000, 0x00000cde, 0xff7b6100, | ||
1341 | 0x00000ce6, 0xff7b8100, 0x00000cee, 0xff7ba100, | ||
1342 | 0x00000cf6, 0xff7bc200, 0x00000cff, 0xff7be200, | ||
1343 | 0x00001000, 0xff830000, 0x00001008, 0xff832000, | ||
1344 | 0x00001010, 0xff834000, 0x00001018, 0xff836100, | ||
1345 | 0x00001020, 0xff838100, 0x00001029, 0xff83a100, | ||
1346 | 0x00001031, 0xff83c200, 0x00001039, 0xff83e200, | ||
1347 | 0x00001041, 0xff8b0000, 0x0000104a, 0xff8b2000, | ||
1348 | 0x00001052, 0xff8b4000, 0x0000105a, 0xff8b6100, | ||
1349 | 0x00001062, 0xff8b8100, 0x0000106a, 0xff8ba100, | ||
1350 | 0x00001073, 0xff8bc200, 0x0000107b, 0xff8be200, | ||
1351 | 0x00001083, 0xff940000, 0x0000108b, 0xff942000, | ||
1352 | 0x00001094, 0xff944000, 0x0000109c, 0xff946100, | ||
1353 | 0x000010a4, 0xff948100, 0x000010ac, 0xff94a100, | ||
1354 | 0x000010b4, 0xff94c200, 0x000010bd, 0xff94e200, | ||
1355 | 0x000010c5, 0xff9c0000, 0x000010cd, 0xff9c2000, | ||
1356 | 0x000010d5, 0xff9c4000, 0x000010de, 0xff9c6100, | ||
1357 | 0x000010e6, 0xff9c8100, 0x000010ee, 0xff9ca100, | ||
1358 | 0x000010f6, 0xff9cc200, 0x000010ff, 0xff9ce200, | ||
1359 | 0x00001400, 0xffa40000, 0x00001408, 0xffa42000, | ||
1360 | 0x00001410, 0xffa44000, 0x00001418, 0xffa46100, | ||
1361 | 0x00001420, 0xffa48100, 0x00001429, 0xffa4a100, | ||
1362 | 0x00001431, 0xffa4c200, 0x00001439, 0xffa4e200, | ||
1363 | 0x00001441, 0xffac0000, 0x0000144a, 0xffac2000, | ||
1364 | 0x00001452, 0xffac4000, 0x0000145a, 0xffac6100, | ||
1365 | 0x00001462, 0xffac8100, 0x0000146a, 0xffaca100, | ||
1366 | 0x00001473, 0xffacc200, 0x0000147b, 0xfface200, | ||
1367 | 0x00001483, 0xffb40000, 0x0000148b, 0xffb42000, | ||
1368 | 0x00001494, 0xffb44000, 0x0000149c, 0xffb46100, | ||
1369 | 0x000014a4, 0xffb48100, 0x000014ac, 0xffb4a100, | ||
1370 | 0x000014b4, 0xffb4c200, 0x000014bd, 0xffb4e200, | ||
1371 | 0x000014c5, 0xffbd0000, 0x000014cd, 0xffbd2000, | ||
1372 | 0x000014d5, 0xffbd4000, 0x000014de, 0xffbd6100, | ||
1373 | 0x000014e6, 0xffbd8100, 0x000014ee, 0xffbda100, | ||
1374 | 0x000014f6, 0xffbdc200, 0x000014ff, 0xffbde200, | ||
1375 | 0x00001800, 0xffc50000, 0x00001808, 0xffc52000, | ||
1376 | 0x00001810, 0xffc54000, 0x00001818, 0xffc56100, | ||
1377 | 0x00001820, 0xffc58100, 0x00001829, 0xffc5a100, | ||
1378 | 0x00001831, 0xffc5c200, 0x00001839, 0xffc5e200, | ||
1379 | 0x00001841, 0xffcd0000, 0x0000184a, 0xffcd2000, | ||
1380 | 0x00001852, 0xffcd4000, 0x0000185a, 0xffcd6100, | ||
1381 | 0x00001862, 0xffcd8100, 0x0000186a, 0xffcda100, | ||
1382 | 0x00001873, 0xffcdc200, 0x0000187b, 0xffcde200, | ||
1383 | 0x00001883, 0xffd50000, 0x0000188b, 0xffd52000, | ||
1384 | 0x00001894, 0xffd54000, 0x0000189c, 0xffd56100, | ||
1385 | 0x000018a4, 0xffd58100, 0x000018ac, 0xffd5a100, | ||
1386 | 0x000018b4, 0xffd5c200, 0x000018bd, 0xffd5e200, | ||
1387 | 0x000018c5, 0xffde0000, 0x000018cd, 0xffde2000, | ||
1388 | 0x000018d5, 0xffde4000, 0x000018de, 0xffde6100, | ||
1389 | 0x000018e6, 0xffde8100, 0x000018ee, 0xffdea100, | ||
1390 | 0x000018f6, 0xffdec200, 0x000018ff, 0xffdee200, | ||
1391 | 0x00001c00, 0xffe60000, 0x00001c08, 0xffe62000, | ||
1392 | 0x00001c10, 0xffe64000, 0x00001c18, 0xffe66100, | ||
1393 | 0x00001c20, 0xffe68100, 0x00001c29, 0xffe6a100, | ||
1394 | 0x00001c31, 0xffe6c200, 0x00001c39, 0xffe6e200, | ||
1395 | 0x00001c41, 0xffee0000, 0x00001c4a, 0xffee2000, | ||
1396 | 0x00001c52, 0xffee4000, 0x00001c5a, 0xffee6100, | ||
1397 | 0x00001c62, 0xffee8100, 0x00001c6a, 0xffeea100, | ||
1398 | 0x00001c73, 0xffeec200, 0x00001c7b, 0xffeee200, | ||
1399 | 0x00001c83, 0xfff60000, 0x00001c8b, 0xfff62000, | ||
1400 | 0x00001c94, 0xfff64000, 0x00001c9c, 0xfff66100, | ||
1401 | 0x00001ca4, 0xfff68100, 0x00001cac, 0xfff6a100, | ||
1402 | 0x00001cb4, 0xfff6c200, 0x00001cbd, 0xfff6e200, | ||
1403 | 0x00001cc5, 0xffff0000, 0x00001ccd, 0xffff2000, | ||
1404 | 0x00001cd5, 0xffff4000, 0x00001cde, 0xffff6100, | ||
1405 | 0x00001ce6, 0xffff8100, 0x00001cee, 0xffffa100, | ||
1406 | 0x00001cf6, 0xffffc200, 0x00001cff, 0xffffe200 | ||
1407 | }; | ||
1408 | static void Blit_RGB565_ARGB8888(SDL_BlitInfo *info) | ||
1409 | { | ||
1410 | Blit_RGB565_32(info, RGB565_ARGB8888_LUT); | ||
1411 | } | ||
1412 | |||
1413 | /* Special optimized blit for RGB 5-6-5 --> ABGR 8-8-8-8 */ | ||
1414 | static const Uint32 RGB565_ABGR8888_LUT[512] = { | ||
1415 | 0xff000000, 0x00000000, 0xff080000, 0x00002000, | ||
1416 | 0xff100000, 0x00004000, 0xff180000, 0x00006100, | ||
1417 | 0xff200000, 0x00008100, 0xff290000, 0x0000a100, | ||
1418 | 0xff310000, 0x0000c200, 0xff390000, 0x0000e200, | ||
1419 | 0xff410000, 0x00000008, 0xff4a0000, 0x00002008, | ||
1420 | 0xff520000, 0x00004008, 0xff5a0000, 0x00006108, | ||
1421 | 0xff620000, 0x00008108, 0xff6a0000, 0x0000a108, | ||
1422 | 0xff730000, 0x0000c208, 0xff7b0000, 0x0000e208, | ||
1423 | 0xff830000, 0x00000010, 0xff8b0000, 0x00002010, | ||
1424 | 0xff940000, 0x00004010, 0xff9c0000, 0x00006110, | ||
1425 | 0xffa40000, 0x00008110, 0xffac0000, 0x0000a110, | ||
1426 | 0xffb40000, 0x0000c210, 0xffbd0000, 0x0000e210, | ||
1427 | 0xffc50000, 0x00000018, 0xffcd0000, 0x00002018, | ||
1428 | 0xffd50000, 0x00004018, 0xffde0000, 0x00006118, | ||
1429 | 0xffe60000, 0x00008118, 0xffee0000, 0x0000a118, | ||
1430 | 0xfff60000, 0x0000c218, 0xffff0000, 0x0000e218, | ||
1431 | 0xff000400, 0x00000020, 0xff080400, 0x00002020, | ||
1432 | 0xff100400, 0x00004020, 0xff180400, 0x00006120, | ||
1433 | 0xff200400, 0x00008120, 0xff290400, 0x0000a120, | ||
1434 | 0xff310400, 0x0000c220, 0xff390400, 0x0000e220, | ||
1435 | 0xff410400, 0x00000029, 0xff4a0400, 0x00002029, | ||
1436 | 0xff520400, 0x00004029, 0xff5a0400, 0x00006129, | ||
1437 | 0xff620400, 0x00008129, 0xff6a0400, 0x0000a129, | ||
1438 | 0xff730400, 0x0000c229, 0xff7b0400, 0x0000e229, | ||
1439 | 0xff830400, 0x00000031, 0xff8b0400, 0x00002031, | ||
1440 | 0xff940400, 0x00004031, 0xff9c0400, 0x00006131, | ||
1441 | 0xffa40400, 0x00008131, 0xffac0400, 0x0000a131, | ||
1442 | 0xffb40400, 0x0000c231, 0xffbd0400, 0x0000e231, | ||
1443 | 0xffc50400, 0x00000039, 0xffcd0400, 0x00002039, | ||
1444 | 0xffd50400, 0x00004039, 0xffde0400, 0x00006139, | ||
1445 | 0xffe60400, 0x00008139, 0xffee0400, 0x0000a139, | ||
1446 | 0xfff60400, 0x0000c239, 0xffff0400, 0x0000e239, | ||
1447 | 0xff000800, 0x00000041, 0xff080800, 0x00002041, | ||
1448 | 0xff100800, 0x00004041, 0xff180800, 0x00006141, | ||
1449 | 0xff200800, 0x00008141, 0xff290800, 0x0000a141, | ||
1450 | 0xff310800, 0x0000c241, 0xff390800, 0x0000e241, | ||
1451 | 0xff410800, 0x0000004a, 0xff4a0800, 0x0000204a, | ||
1452 | 0xff520800, 0x0000404a, 0xff5a0800, 0x0000614a, | ||
1453 | 0xff620800, 0x0000814a, 0xff6a0800, 0x0000a14a, | ||
1454 | 0xff730800, 0x0000c24a, 0xff7b0800, 0x0000e24a, | ||
1455 | 0xff830800, 0x00000052, 0xff8b0800, 0x00002052, | ||
1456 | 0xff940800, 0x00004052, 0xff9c0800, 0x00006152, | ||
1457 | 0xffa40800, 0x00008152, 0xffac0800, 0x0000a152, | ||
1458 | 0xffb40800, 0x0000c252, 0xffbd0800, 0x0000e252, | ||
1459 | 0xffc50800, 0x0000005a, 0xffcd0800, 0x0000205a, | ||
1460 | 0xffd50800, 0x0000405a, 0xffde0800, 0x0000615a, | ||
1461 | 0xffe60800, 0x0000815a, 0xffee0800, 0x0000a15a, | ||
1462 | 0xfff60800, 0x0000c25a, 0xffff0800, 0x0000e25a, | ||
1463 | 0xff000c00, 0x00000062, 0xff080c00, 0x00002062, | ||
1464 | 0xff100c00, 0x00004062, 0xff180c00, 0x00006162, | ||
1465 | 0xff200c00, 0x00008162, 0xff290c00, 0x0000a162, | ||
1466 | 0xff310c00, 0x0000c262, 0xff390c00, 0x0000e262, | ||
1467 | 0xff410c00, 0x0000006a, 0xff4a0c00, 0x0000206a, | ||
1468 | 0xff520c00, 0x0000406a, 0xff5a0c00, 0x0000616a, | ||
1469 | 0xff620c00, 0x0000816a, 0xff6a0c00, 0x0000a16a, | ||
1470 | 0xff730c00, 0x0000c26a, 0xff7b0c00, 0x0000e26a, | ||
1471 | 0xff830c00, 0x00000073, 0xff8b0c00, 0x00002073, | ||
1472 | 0xff940c00, 0x00004073, 0xff9c0c00, 0x00006173, | ||
1473 | 0xffa40c00, 0x00008173, 0xffac0c00, 0x0000a173, | ||
1474 | 0xffb40c00, 0x0000c273, 0xffbd0c00, 0x0000e273, | ||
1475 | 0xffc50c00, 0x0000007b, 0xffcd0c00, 0x0000207b, | ||
1476 | 0xffd50c00, 0x0000407b, 0xffde0c00, 0x0000617b, | ||
1477 | 0xffe60c00, 0x0000817b, 0xffee0c00, 0x0000a17b, | ||
1478 | 0xfff60c00, 0x0000c27b, 0xffff0c00, 0x0000e27b, | ||
1479 | 0xff001000, 0x00000083, 0xff081000, 0x00002083, | ||
1480 | 0xff101000, 0x00004083, 0xff181000, 0x00006183, | ||
1481 | 0xff201000, 0x00008183, 0xff291000, 0x0000a183, | ||
1482 | 0xff311000, 0x0000c283, 0xff391000, 0x0000e283, | ||
1483 | 0xff411000, 0x0000008b, 0xff4a1000, 0x0000208b, | ||
1484 | 0xff521000, 0x0000408b, 0xff5a1000, 0x0000618b, | ||
1485 | 0xff621000, 0x0000818b, 0xff6a1000, 0x0000a18b, | ||
1486 | 0xff731000, 0x0000c28b, 0xff7b1000, 0x0000e28b, | ||
1487 | 0xff831000, 0x00000094, 0xff8b1000, 0x00002094, | ||
1488 | 0xff941000, 0x00004094, 0xff9c1000, 0x00006194, | ||
1489 | 0xffa41000, 0x00008194, 0xffac1000, 0x0000a194, | ||
1490 | 0xffb41000, 0x0000c294, 0xffbd1000, 0x0000e294, | ||
1491 | 0xffc51000, 0x0000009c, 0xffcd1000, 0x0000209c, | ||
1492 | 0xffd51000, 0x0000409c, 0xffde1000, 0x0000619c, | ||
1493 | 0xffe61000, 0x0000819c, 0xffee1000, 0x0000a19c, | ||
1494 | 0xfff61000, 0x0000c29c, 0xffff1000, 0x0000e29c, | ||
1495 | 0xff001400, 0x000000a4, 0xff081400, 0x000020a4, | ||
1496 | 0xff101400, 0x000040a4, 0xff181400, 0x000061a4, | ||
1497 | 0xff201400, 0x000081a4, 0xff291400, 0x0000a1a4, | ||
1498 | 0xff311400, 0x0000c2a4, 0xff391400, 0x0000e2a4, | ||
1499 | 0xff411400, 0x000000ac, 0xff4a1400, 0x000020ac, | ||
1500 | 0xff521400, 0x000040ac, 0xff5a1400, 0x000061ac, | ||
1501 | 0xff621400, 0x000081ac, 0xff6a1400, 0x0000a1ac, | ||
1502 | 0xff731400, 0x0000c2ac, 0xff7b1400, 0x0000e2ac, | ||
1503 | 0xff831400, 0x000000b4, 0xff8b1400, 0x000020b4, | ||
1504 | 0xff941400, 0x000040b4, 0xff9c1400, 0x000061b4, | ||
1505 | 0xffa41400, 0x000081b4, 0xffac1400, 0x0000a1b4, | ||
1506 | 0xffb41400, 0x0000c2b4, 0xffbd1400, 0x0000e2b4, | ||
1507 | 0xffc51400, 0x000000bd, 0xffcd1400, 0x000020bd, | ||
1508 | 0xffd51400, 0x000040bd, 0xffde1400, 0x000061bd, | ||
1509 | 0xffe61400, 0x000081bd, 0xffee1400, 0x0000a1bd, | ||
1510 | 0xfff61400, 0x0000c2bd, 0xffff1400, 0x0000e2bd, | ||
1511 | 0xff001800, 0x000000c5, 0xff081800, 0x000020c5, | ||
1512 | 0xff101800, 0x000040c5, 0xff181800, 0x000061c5, | ||
1513 | 0xff201800, 0x000081c5, 0xff291800, 0x0000a1c5, | ||
1514 | 0xff311800, 0x0000c2c5, 0xff391800, 0x0000e2c5, | ||
1515 | 0xff411800, 0x000000cd, 0xff4a1800, 0x000020cd, | ||
1516 | 0xff521800, 0x000040cd, 0xff5a1800, 0x000061cd, | ||
1517 | 0xff621800, 0x000081cd, 0xff6a1800, 0x0000a1cd, | ||
1518 | 0xff731800, 0x0000c2cd, 0xff7b1800, 0x0000e2cd, | ||
1519 | 0xff831800, 0x000000d5, 0xff8b1800, 0x000020d5, | ||
1520 | 0xff941800, 0x000040d5, 0xff9c1800, 0x000061d5, | ||
1521 | 0xffa41800, 0x000081d5, 0xffac1800, 0x0000a1d5, | ||
1522 | 0xffb41800, 0x0000c2d5, 0xffbd1800, 0x0000e2d5, | ||
1523 | 0xffc51800, 0x000000de, 0xffcd1800, 0x000020de, | ||
1524 | 0xffd51800, 0x000040de, 0xffde1800, 0x000061de, | ||
1525 | 0xffe61800, 0x000081de, 0xffee1800, 0x0000a1de, | ||
1526 | 0xfff61800, 0x0000c2de, 0xffff1800, 0x0000e2de, | ||
1527 | 0xff001c00, 0x000000e6, 0xff081c00, 0x000020e6, | ||
1528 | 0xff101c00, 0x000040e6, 0xff181c00, 0x000061e6, | ||
1529 | 0xff201c00, 0x000081e6, 0xff291c00, 0x0000a1e6, | ||
1530 | 0xff311c00, 0x0000c2e6, 0xff391c00, 0x0000e2e6, | ||
1531 | 0xff411c00, 0x000000ee, 0xff4a1c00, 0x000020ee, | ||
1532 | 0xff521c00, 0x000040ee, 0xff5a1c00, 0x000061ee, | ||
1533 | 0xff621c00, 0x000081ee, 0xff6a1c00, 0x0000a1ee, | ||
1534 | 0xff731c00, 0x0000c2ee, 0xff7b1c00, 0x0000e2ee, | ||
1535 | 0xff831c00, 0x000000f6, 0xff8b1c00, 0x000020f6, | ||
1536 | 0xff941c00, 0x000040f6, 0xff9c1c00, 0x000061f6, | ||
1537 | 0xffa41c00, 0x000081f6, 0xffac1c00, 0x0000a1f6, | ||
1538 | 0xffb41c00, 0x0000c2f6, 0xffbd1c00, 0x0000e2f6, | ||
1539 | 0xffc51c00, 0x000000ff, 0xffcd1c00, 0x000020ff, | ||
1540 | 0xffd51c00, 0x000040ff, 0xffde1c00, 0x000061ff, | ||
1541 | 0xffe61c00, 0x000081ff, 0xffee1c00, 0x0000a1ff, | ||
1542 | 0xfff61c00, 0x0000c2ff, 0xffff1c00, 0x0000e2ff | ||
1543 | }; | ||
1544 | static void Blit_RGB565_ABGR8888(SDL_BlitInfo *info) | ||
1545 | { | ||
1546 | Blit_RGB565_32(info, RGB565_ABGR8888_LUT); | ||
1547 | } | ||
1548 | |||
1549 | /* Special optimized blit for RGB 5-6-5 --> RGBA 8-8-8-8 */ | ||
1550 | static const Uint32 RGB565_RGBA8888_LUT[512] = { | ||
1551 | 0x000000ff, 0x00000000, 0x000008ff, 0x00200000, | ||
1552 | 0x000010ff, 0x00400000, 0x000018ff, 0x00610000, | ||
1553 | 0x000020ff, 0x00810000, 0x000029ff, 0x00a10000, | ||
1554 | 0x000031ff, 0x00c20000, 0x000039ff, 0x00e20000, | ||
1555 | 0x000041ff, 0x08000000, 0x00004aff, 0x08200000, | ||
1556 | 0x000052ff, 0x08400000, 0x00005aff, 0x08610000, | ||
1557 | 0x000062ff, 0x08810000, 0x00006aff, 0x08a10000, | ||
1558 | 0x000073ff, 0x08c20000, 0x00007bff, 0x08e20000, | ||
1559 | 0x000083ff, 0x10000000, 0x00008bff, 0x10200000, | ||
1560 | 0x000094ff, 0x10400000, 0x00009cff, 0x10610000, | ||
1561 | 0x0000a4ff, 0x10810000, 0x0000acff, 0x10a10000, | ||
1562 | 0x0000b4ff, 0x10c20000, 0x0000bdff, 0x10e20000, | ||
1563 | 0x0000c5ff, 0x18000000, 0x0000cdff, 0x18200000, | ||
1564 | 0x0000d5ff, 0x18400000, 0x0000deff, 0x18610000, | ||
1565 | 0x0000e6ff, 0x18810000, 0x0000eeff, 0x18a10000, | ||
1566 | 0x0000f6ff, 0x18c20000, 0x0000ffff, 0x18e20000, | ||
1567 | 0x000400ff, 0x20000000, 0x000408ff, 0x20200000, | ||
1568 | 0x000410ff, 0x20400000, 0x000418ff, 0x20610000, | ||
1569 | 0x000420ff, 0x20810000, 0x000429ff, 0x20a10000, | ||
1570 | 0x000431ff, 0x20c20000, 0x000439ff, 0x20e20000, | ||
1571 | 0x000441ff, 0x29000000, 0x00044aff, 0x29200000, | ||
1572 | 0x000452ff, 0x29400000, 0x00045aff, 0x29610000, | ||
1573 | 0x000462ff, 0x29810000, 0x00046aff, 0x29a10000, | ||
1574 | 0x000473ff, 0x29c20000, 0x00047bff, 0x29e20000, | ||
1575 | 0x000483ff, 0x31000000, 0x00048bff, 0x31200000, | ||
1576 | 0x000494ff, 0x31400000, 0x00049cff, 0x31610000, | ||
1577 | 0x0004a4ff, 0x31810000, 0x0004acff, 0x31a10000, | ||
1578 | 0x0004b4ff, 0x31c20000, 0x0004bdff, 0x31e20000, | ||
1579 | 0x0004c5ff, 0x39000000, 0x0004cdff, 0x39200000, | ||
1580 | 0x0004d5ff, 0x39400000, 0x0004deff, 0x39610000, | ||
1581 | 0x0004e6ff, 0x39810000, 0x0004eeff, 0x39a10000, | ||
1582 | 0x0004f6ff, 0x39c20000, 0x0004ffff, 0x39e20000, | ||
1583 | 0x000800ff, 0x41000000, 0x000808ff, 0x41200000, | ||
1584 | 0x000810ff, 0x41400000, 0x000818ff, 0x41610000, | ||
1585 | 0x000820ff, 0x41810000, 0x000829ff, 0x41a10000, | ||
1586 | 0x000831ff, 0x41c20000, 0x000839ff, 0x41e20000, | ||
1587 | 0x000841ff, 0x4a000000, 0x00084aff, 0x4a200000, | ||
1588 | 0x000852ff, 0x4a400000, 0x00085aff, 0x4a610000, | ||
1589 | 0x000862ff, 0x4a810000, 0x00086aff, 0x4aa10000, | ||
1590 | 0x000873ff, 0x4ac20000, 0x00087bff, 0x4ae20000, | ||
1591 | 0x000883ff, 0x52000000, 0x00088bff, 0x52200000, | ||
1592 | 0x000894ff, 0x52400000, 0x00089cff, 0x52610000, | ||
1593 | 0x0008a4ff, 0x52810000, 0x0008acff, 0x52a10000, | ||
1594 | 0x0008b4ff, 0x52c20000, 0x0008bdff, 0x52e20000, | ||
1595 | 0x0008c5ff, 0x5a000000, 0x0008cdff, 0x5a200000, | ||
1596 | 0x0008d5ff, 0x5a400000, 0x0008deff, 0x5a610000, | ||
1597 | 0x0008e6ff, 0x5a810000, 0x0008eeff, 0x5aa10000, | ||
1598 | 0x0008f6ff, 0x5ac20000, 0x0008ffff, 0x5ae20000, | ||
1599 | 0x000c00ff, 0x62000000, 0x000c08ff, 0x62200000, | ||
1600 | 0x000c10ff, 0x62400000, 0x000c18ff, 0x62610000, | ||
1601 | 0x000c20ff, 0x62810000, 0x000c29ff, 0x62a10000, | ||
1602 | 0x000c31ff, 0x62c20000, 0x000c39ff, 0x62e20000, | ||
1603 | 0x000c41ff, 0x6a000000, 0x000c4aff, 0x6a200000, | ||
1604 | 0x000c52ff, 0x6a400000, 0x000c5aff, 0x6a610000, | ||
1605 | 0x000c62ff, 0x6a810000, 0x000c6aff, 0x6aa10000, | ||
1606 | 0x000c73ff, 0x6ac20000, 0x000c7bff, 0x6ae20000, | ||
1607 | 0x000c83ff, 0x73000000, 0x000c8bff, 0x73200000, | ||
1608 | 0x000c94ff, 0x73400000, 0x000c9cff, 0x73610000, | ||
1609 | 0x000ca4ff, 0x73810000, 0x000cacff, 0x73a10000, | ||
1610 | 0x000cb4ff, 0x73c20000, 0x000cbdff, 0x73e20000, | ||
1611 | 0x000cc5ff, 0x7b000000, 0x000ccdff, 0x7b200000, | ||
1612 | 0x000cd5ff, 0x7b400000, 0x000cdeff, 0x7b610000, | ||
1613 | 0x000ce6ff, 0x7b810000, 0x000ceeff, 0x7ba10000, | ||
1614 | 0x000cf6ff, 0x7bc20000, 0x000cffff, 0x7be20000, | ||
1615 | 0x001000ff, 0x83000000, 0x001008ff, 0x83200000, | ||
1616 | 0x001010ff, 0x83400000, 0x001018ff, 0x83610000, | ||
1617 | 0x001020ff, 0x83810000, 0x001029ff, 0x83a10000, | ||
1618 | 0x001031ff, 0x83c20000, 0x001039ff, 0x83e20000, | ||
1619 | 0x001041ff, 0x8b000000, 0x00104aff, 0x8b200000, | ||
1620 | 0x001052ff, 0x8b400000, 0x00105aff, 0x8b610000, | ||
1621 | 0x001062ff, 0x8b810000, 0x00106aff, 0x8ba10000, | ||
1622 | 0x001073ff, 0x8bc20000, 0x00107bff, 0x8be20000, | ||
1623 | 0x001083ff, 0x94000000, 0x00108bff, 0x94200000, | ||
1624 | 0x001094ff, 0x94400000, 0x00109cff, 0x94610000, | ||
1625 | 0x0010a4ff, 0x94810000, 0x0010acff, 0x94a10000, | ||
1626 | 0x0010b4ff, 0x94c20000, 0x0010bdff, 0x94e20000, | ||
1627 | 0x0010c5ff, 0x9c000000, 0x0010cdff, 0x9c200000, | ||
1628 | 0x0010d5ff, 0x9c400000, 0x0010deff, 0x9c610000, | ||
1629 | 0x0010e6ff, 0x9c810000, 0x0010eeff, 0x9ca10000, | ||
1630 | 0x0010f6ff, 0x9cc20000, 0x0010ffff, 0x9ce20000, | ||
1631 | 0x001400ff, 0xa4000000, 0x001408ff, 0xa4200000, | ||
1632 | 0x001410ff, 0xa4400000, 0x001418ff, 0xa4610000, | ||
1633 | 0x001420ff, 0xa4810000, 0x001429ff, 0xa4a10000, | ||
1634 | 0x001431ff, 0xa4c20000, 0x001439ff, 0xa4e20000, | ||
1635 | 0x001441ff, 0xac000000, 0x00144aff, 0xac200000, | ||
1636 | 0x001452ff, 0xac400000, 0x00145aff, 0xac610000, | ||
1637 | 0x001462ff, 0xac810000, 0x00146aff, 0xaca10000, | ||
1638 | 0x001473ff, 0xacc20000, 0x00147bff, 0xace20000, | ||
1639 | 0x001483ff, 0xb4000000, 0x00148bff, 0xb4200000, | ||
1640 | 0x001494ff, 0xb4400000, 0x00149cff, 0xb4610000, | ||
1641 | 0x0014a4ff, 0xb4810000, 0x0014acff, 0xb4a10000, | ||
1642 | 0x0014b4ff, 0xb4c20000, 0x0014bdff, 0xb4e20000, | ||
1643 | 0x0014c5ff, 0xbd000000, 0x0014cdff, 0xbd200000, | ||
1644 | 0x0014d5ff, 0xbd400000, 0x0014deff, 0xbd610000, | ||
1645 | 0x0014e6ff, 0xbd810000, 0x0014eeff, 0xbda10000, | ||
1646 | 0x0014f6ff, 0xbdc20000, 0x0014ffff, 0xbde20000, | ||
1647 | 0x001800ff, 0xc5000000, 0x001808ff, 0xc5200000, | ||
1648 | 0x001810ff, 0xc5400000, 0x001818ff, 0xc5610000, | ||
1649 | 0x001820ff, 0xc5810000, 0x001829ff, 0xc5a10000, | ||
1650 | 0x001831ff, 0xc5c20000, 0x001839ff, 0xc5e20000, | ||
1651 | 0x001841ff, 0xcd000000, 0x00184aff, 0xcd200000, | ||
1652 | 0x001852ff, 0xcd400000, 0x00185aff, 0xcd610000, | ||
1653 | 0x001862ff, 0xcd810000, 0x00186aff, 0xcda10000, | ||
1654 | 0x001873ff, 0xcdc20000, 0x00187bff, 0xcde20000, | ||
1655 | 0x001883ff, 0xd5000000, 0x00188bff, 0xd5200000, | ||
1656 | 0x001894ff, 0xd5400000, 0x00189cff, 0xd5610000, | ||
1657 | 0x0018a4ff, 0xd5810000, 0x0018acff, 0xd5a10000, | ||
1658 | 0x0018b4ff, 0xd5c20000, 0x0018bdff, 0xd5e20000, | ||
1659 | 0x0018c5ff, 0xde000000, 0x0018cdff, 0xde200000, | ||
1660 | 0x0018d5ff, 0xde400000, 0x0018deff, 0xde610000, | ||
1661 | 0x0018e6ff, 0xde810000, 0x0018eeff, 0xdea10000, | ||
1662 | 0x0018f6ff, 0xdec20000, 0x0018ffff, 0xdee20000, | ||
1663 | 0x001c00ff, 0xe6000000, 0x001c08ff, 0xe6200000, | ||
1664 | 0x001c10ff, 0xe6400000, 0x001c18ff, 0xe6610000, | ||
1665 | 0x001c20ff, 0xe6810000, 0x001c29ff, 0xe6a10000, | ||
1666 | 0x001c31ff, 0xe6c20000, 0x001c39ff, 0xe6e20000, | ||
1667 | 0x001c41ff, 0xee000000, 0x001c4aff, 0xee200000, | ||
1668 | 0x001c52ff, 0xee400000, 0x001c5aff, 0xee610000, | ||
1669 | 0x001c62ff, 0xee810000, 0x001c6aff, 0xeea10000, | ||
1670 | 0x001c73ff, 0xeec20000, 0x001c7bff, 0xeee20000, | ||
1671 | 0x001c83ff, 0xf6000000, 0x001c8bff, 0xf6200000, | ||
1672 | 0x001c94ff, 0xf6400000, 0x001c9cff, 0xf6610000, | ||
1673 | 0x001ca4ff, 0xf6810000, 0x001cacff, 0xf6a10000, | ||
1674 | 0x001cb4ff, 0xf6c20000, 0x001cbdff, 0xf6e20000, | ||
1675 | 0x001cc5ff, 0xff000000, 0x001ccdff, 0xff200000, | ||
1676 | 0x001cd5ff, 0xff400000, 0x001cdeff, 0xff610000, | ||
1677 | 0x001ce6ff, 0xff810000, 0x001ceeff, 0xffa10000, | ||
1678 | 0x001cf6ff, 0xffc20000, 0x001cffff, 0xffe20000, | ||
1679 | }; | ||
1680 | static void Blit_RGB565_RGBA8888(SDL_BlitInfo *info) | ||
1681 | { | ||
1682 | Blit_RGB565_32(info, RGB565_RGBA8888_LUT); | ||
1683 | } | ||
1684 | |||
1685 | /* Special optimized blit for RGB 5-6-5 --> BGRA 8-8-8-8 */ | ||
1686 | static const Uint32 RGB565_BGRA8888_LUT[512] = { | ||
1687 | 0x00000000, 0x000000ff, 0x08000000, 0x002000ff, | ||
1688 | 0x10000000, 0x004000ff, 0x18000000, 0x006100ff, | ||
1689 | 0x20000000, 0x008100ff, 0x29000000, 0x00a100ff, | ||
1690 | 0x31000000, 0x00c200ff, 0x39000000, 0x00e200ff, | ||
1691 | 0x41000000, 0x000008ff, 0x4a000000, 0x002008ff, | ||
1692 | 0x52000000, 0x004008ff, 0x5a000000, 0x006108ff, | ||
1693 | 0x62000000, 0x008108ff, 0x6a000000, 0x00a108ff, | ||
1694 | 0x73000000, 0x00c208ff, 0x7b000000, 0x00e208ff, | ||
1695 | 0x83000000, 0x000010ff, 0x8b000000, 0x002010ff, | ||
1696 | 0x94000000, 0x004010ff, 0x9c000000, 0x006110ff, | ||
1697 | 0xa4000000, 0x008110ff, 0xac000000, 0x00a110ff, | ||
1698 | 0xb4000000, 0x00c210ff, 0xbd000000, 0x00e210ff, | ||
1699 | 0xc5000000, 0x000018ff, 0xcd000000, 0x002018ff, | ||
1700 | 0xd5000000, 0x004018ff, 0xde000000, 0x006118ff, | ||
1701 | 0xe6000000, 0x008118ff, 0xee000000, 0x00a118ff, | ||
1702 | 0xf6000000, 0x00c218ff, 0xff000000, 0x00e218ff, | ||
1703 | 0x00040000, 0x000020ff, 0x08040000, 0x002020ff, | ||
1704 | 0x10040000, 0x004020ff, 0x18040000, 0x006120ff, | ||
1705 | 0x20040000, 0x008120ff, 0x29040000, 0x00a120ff, | ||
1706 | 0x31040000, 0x00c220ff, 0x39040000, 0x00e220ff, | ||
1707 | 0x41040000, 0x000029ff, 0x4a040000, 0x002029ff, | ||
1708 | 0x52040000, 0x004029ff, 0x5a040000, 0x006129ff, | ||
1709 | 0x62040000, 0x008129ff, 0x6a040000, 0x00a129ff, | ||
1710 | 0x73040000, 0x00c229ff, 0x7b040000, 0x00e229ff, | ||
1711 | 0x83040000, 0x000031ff, 0x8b040000, 0x002031ff, | ||
1712 | 0x94040000, 0x004031ff, 0x9c040000, 0x006131ff, | ||
1713 | 0xa4040000, 0x008131ff, 0xac040000, 0x00a131ff, | ||
1714 | 0xb4040000, 0x00c231ff, 0xbd040000, 0x00e231ff, | ||
1715 | 0xc5040000, 0x000039ff, 0xcd040000, 0x002039ff, | ||
1716 | 0xd5040000, 0x004039ff, 0xde040000, 0x006139ff, | ||
1717 | 0xe6040000, 0x008139ff, 0xee040000, 0x00a139ff, | ||
1718 | 0xf6040000, 0x00c239ff, 0xff040000, 0x00e239ff, | ||
1719 | 0x00080000, 0x000041ff, 0x08080000, 0x002041ff, | ||
1720 | 0x10080000, 0x004041ff, 0x18080000, 0x006141ff, | ||
1721 | 0x20080000, 0x008141ff, 0x29080000, 0x00a141ff, | ||
1722 | 0x31080000, 0x00c241ff, 0x39080000, 0x00e241ff, | ||
1723 | 0x41080000, 0x00004aff, 0x4a080000, 0x00204aff, | ||
1724 | 0x52080000, 0x00404aff, 0x5a080000, 0x00614aff, | ||
1725 | 0x62080000, 0x00814aff, 0x6a080000, 0x00a14aff, | ||
1726 | 0x73080000, 0x00c24aff, 0x7b080000, 0x00e24aff, | ||
1727 | 0x83080000, 0x000052ff, 0x8b080000, 0x002052ff, | ||
1728 | 0x94080000, 0x004052ff, 0x9c080000, 0x006152ff, | ||
1729 | 0xa4080000, 0x008152ff, 0xac080000, 0x00a152ff, | ||
1730 | 0xb4080000, 0x00c252ff, 0xbd080000, 0x00e252ff, | ||
1731 | 0xc5080000, 0x00005aff, 0xcd080000, 0x00205aff, | ||
1732 | 0xd5080000, 0x00405aff, 0xde080000, 0x00615aff, | ||
1733 | 0xe6080000, 0x00815aff, 0xee080000, 0x00a15aff, | ||
1734 | 0xf6080000, 0x00c25aff, 0xff080000, 0x00e25aff, | ||
1735 | 0x000c0000, 0x000062ff, 0x080c0000, 0x002062ff, | ||
1736 | 0x100c0000, 0x004062ff, 0x180c0000, 0x006162ff, | ||
1737 | 0x200c0000, 0x008162ff, 0x290c0000, 0x00a162ff, | ||
1738 | 0x310c0000, 0x00c262ff, 0x390c0000, 0x00e262ff, | ||
1739 | 0x410c0000, 0x00006aff, 0x4a0c0000, 0x00206aff, | ||
1740 | 0x520c0000, 0x00406aff, 0x5a0c0000, 0x00616aff, | ||
1741 | 0x620c0000, 0x00816aff, 0x6a0c0000, 0x00a16aff, | ||
1742 | 0x730c0000, 0x00c26aff, 0x7b0c0000, 0x00e26aff, | ||
1743 | 0x830c0000, 0x000073ff, 0x8b0c0000, 0x002073ff, | ||
1744 | 0x940c0000, 0x004073ff, 0x9c0c0000, 0x006173ff, | ||
1745 | 0xa40c0000, 0x008173ff, 0xac0c0000, 0x00a173ff, | ||
1746 | 0xb40c0000, 0x00c273ff, 0xbd0c0000, 0x00e273ff, | ||
1747 | 0xc50c0000, 0x00007bff, 0xcd0c0000, 0x00207bff, | ||
1748 | 0xd50c0000, 0x00407bff, 0xde0c0000, 0x00617bff, | ||
1749 | 0xe60c0000, 0x00817bff, 0xee0c0000, 0x00a17bff, | ||
1750 | 0xf60c0000, 0x00c27bff, 0xff0c0000, 0x00e27bff, | ||
1751 | 0x00100000, 0x000083ff, 0x08100000, 0x002083ff, | ||
1752 | 0x10100000, 0x004083ff, 0x18100000, 0x006183ff, | ||
1753 | 0x20100000, 0x008183ff, 0x29100000, 0x00a183ff, | ||
1754 | 0x31100000, 0x00c283ff, 0x39100000, 0x00e283ff, | ||
1755 | 0x41100000, 0x00008bff, 0x4a100000, 0x00208bff, | ||
1756 | 0x52100000, 0x00408bff, 0x5a100000, 0x00618bff, | ||
1757 | 0x62100000, 0x00818bff, 0x6a100000, 0x00a18bff, | ||
1758 | 0x73100000, 0x00c28bff, 0x7b100000, 0x00e28bff, | ||
1759 | 0x83100000, 0x000094ff, 0x8b100000, 0x002094ff, | ||
1760 | 0x94100000, 0x004094ff, 0x9c100000, 0x006194ff, | ||
1761 | 0xa4100000, 0x008194ff, 0xac100000, 0x00a194ff, | ||
1762 | 0xb4100000, 0x00c294ff, 0xbd100000, 0x00e294ff, | ||
1763 | 0xc5100000, 0x00009cff, 0xcd100000, 0x00209cff, | ||
1764 | 0xd5100000, 0x00409cff, 0xde100000, 0x00619cff, | ||
1765 | 0xe6100000, 0x00819cff, 0xee100000, 0x00a19cff, | ||
1766 | 0xf6100000, 0x00c29cff, 0xff100000, 0x00e29cff, | ||
1767 | 0x00140000, 0x0000a4ff, 0x08140000, 0x0020a4ff, | ||
1768 | 0x10140000, 0x0040a4ff, 0x18140000, 0x0061a4ff, | ||
1769 | 0x20140000, 0x0081a4ff, 0x29140000, 0x00a1a4ff, | ||
1770 | 0x31140000, 0x00c2a4ff, 0x39140000, 0x00e2a4ff, | ||
1771 | 0x41140000, 0x0000acff, 0x4a140000, 0x0020acff, | ||
1772 | 0x52140000, 0x0040acff, 0x5a140000, 0x0061acff, | ||
1773 | 0x62140000, 0x0081acff, 0x6a140000, 0x00a1acff, | ||
1774 | 0x73140000, 0x00c2acff, 0x7b140000, 0x00e2acff, | ||
1775 | 0x83140000, 0x0000b4ff, 0x8b140000, 0x0020b4ff, | ||
1776 | 0x94140000, 0x0040b4ff, 0x9c140000, 0x0061b4ff, | ||
1777 | 0xa4140000, 0x0081b4ff, 0xac140000, 0x00a1b4ff, | ||
1778 | 0xb4140000, 0x00c2b4ff, 0xbd140000, 0x00e2b4ff, | ||
1779 | 0xc5140000, 0x0000bdff, 0xcd140000, 0x0020bdff, | ||
1780 | 0xd5140000, 0x0040bdff, 0xde140000, 0x0061bdff, | ||
1781 | 0xe6140000, 0x0081bdff, 0xee140000, 0x00a1bdff, | ||
1782 | 0xf6140000, 0x00c2bdff, 0xff140000, 0x00e2bdff, | ||
1783 | 0x00180000, 0x0000c5ff, 0x08180000, 0x0020c5ff, | ||
1784 | 0x10180000, 0x0040c5ff, 0x18180000, 0x0061c5ff, | ||
1785 | 0x20180000, 0x0081c5ff, 0x29180000, 0x00a1c5ff, | ||
1786 | 0x31180000, 0x00c2c5ff, 0x39180000, 0x00e2c5ff, | ||
1787 | 0x41180000, 0x0000cdff, 0x4a180000, 0x0020cdff, | ||
1788 | 0x52180000, 0x0040cdff, 0x5a180000, 0x0061cdff, | ||
1789 | 0x62180000, 0x0081cdff, 0x6a180000, 0x00a1cdff, | ||
1790 | 0x73180000, 0x00c2cdff, 0x7b180000, 0x00e2cdff, | ||
1791 | 0x83180000, 0x0000d5ff, 0x8b180000, 0x0020d5ff, | ||
1792 | 0x94180000, 0x0040d5ff, 0x9c180000, 0x0061d5ff, | ||
1793 | 0xa4180000, 0x0081d5ff, 0xac180000, 0x00a1d5ff, | ||
1794 | 0xb4180000, 0x00c2d5ff, 0xbd180000, 0x00e2d5ff, | ||
1795 | 0xc5180000, 0x0000deff, 0xcd180000, 0x0020deff, | ||
1796 | 0xd5180000, 0x0040deff, 0xde180000, 0x0061deff, | ||
1797 | 0xe6180000, 0x0081deff, 0xee180000, 0x00a1deff, | ||
1798 | 0xf6180000, 0x00c2deff, 0xff180000, 0x00e2deff, | ||
1799 | 0x001c0000, 0x0000e6ff, 0x081c0000, 0x0020e6ff, | ||
1800 | 0x101c0000, 0x0040e6ff, 0x181c0000, 0x0061e6ff, | ||
1801 | 0x201c0000, 0x0081e6ff, 0x291c0000, 0x00a1e6ff, | ||
1802 | 0x311c0000, 0x00c2e6ff, 0x391c0000, 0x00e2e6ff, | ||
1803 | 0x411c0000, 0x0000eeff, 0x4a1c0000, 0x0020eeff, | ||
1804 | 0x521c0000, 0x0040eeff, 0x5a1c0000, 0x0061eeff, | ||
1805 | 0x621c0000, 0x0081eeff, 0x6a1c0000, 0x00a1eeff, | ||
1806 | 0x731c0000, 0x00c2eeff, 0x7b1c0000, 0x00e2eeff, | ||
1807 | 0x831c0000, 0x0000f6ff, 0x8b1c0000, 0x0020f6ff, | ||
1808 | 0x941c0000, 0x0040f6ff, 0x9c1c0000, 0x0061f6ff, | ||
1809 | 0xa41c0000, 0x0081f6ff, 0xac1c0000, 0x00a1f6ff, | ||
1810 | 0xb41c0000, 0x00c2f6ff, 0xbd1c0000, 0x00e2f6ff, | ||
1811 | 0xc51c0000, 0x0000ffff, 0xcd1c0000, 0x0020ffff, | ||
1812 | 0xd51c0000, 0x0040ffff, 0xde1c0000, 0x0061ffff, | ||
1813 | 0xe61c0000, 0x0081ffff, 0xee1c0000, 0x00a1ffff, | ||
1814 | 0xf61c0000, 0x00c2ffff, 0xff1c0000, 0x00e2ffff | ||
1815 | }; | ||
1816 | static void Blit_RGB565_BGRA8888(SDL_BlitInfo *info) | ||
1817 | { | ||
1818 | Blit_RGB565_32(info, RGB565_BGRA8888_LUT); | ||
1819 | } | ||
1820 | |||
1821 | /* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */ | ||
1822 | #ifndef RGB888_RGB332 | ||
1823 | #define RGB888_RGB332(dst, src) { \ | ||
1824 | dst = (((src)&0x00E00000)>>16)| \ | ||
1825 | (((src)&0x0000E000)>>11)| \ | ||
1826 | (((src)&0x000000C0)>>6); \ | ||
1827 | } | ||
1828 | #endif | ||
1829 | static void Blit_RGB888_index8_map(SDL_BlitInfo *info) | ||
1830 | { | ||
1831 | #ifndef USE_DUFFS_LOOP | ||
1832 | int c; | ||
1833 | #endif | ||
1834 | int Pixel; | ||
1835 | int width, height; | ||
1836 | Uint32 *src; | ||
1837 | const Uint8 *map; | ||
1838 | Uint8 *dst; | ||
1839 | int srcskip, dstskip; | ||
1840 | |||
1841 | /* Set up some basic variables */ | ||
1842 | width = info->d_width; | ||
1843 | height = info->d_height; | ||
1844 | src = (Uint32 *)info->s_pixels; | ||
1845 | srcskip = info->s_skip/4; | ||
1846 | dst = info->d_pixels; | ||
1847 | dstskip = info->d_skip; | ||
1848 | map = info->table; | ||
1849 | |||
1850 | #ifdef USE_DUFFS_LOOP | ||
1851 | while ( height-- ) { | ||
1852 | DUFFS_LOOP( | ||
1853 | RGB888_RGB332(Pixel, *src); | ||
1854 | *dst++ = map[Pixel]; | ||
1855 | ++src; | ||
1856 | , width); | ||
1857 | src += srcskip; | ||
1858 | dst += dstskip; | ||
1859 | } | ||
1860 | #else | ||
1861 | while ( height-- ) { | ||
1862 | for ( c=width/4; c; --c ) { | ||
1863 | /* Pack RGB into 8bit pixel */ | ||
1864 | RGB888_RGB332(Pixel, *src); | ||
1865 | *dst++ = map[Pixel]; | ||
1866 | ++src; | ||
1867 | RGB888_RGB332(Pixel, *src); | ||
1868 | *dst++ = map[Pixel]; | ||
1869 | ++src; | ||
1870 | RGB888_RGB332(Pixel, *src); | ||
1871 | *dst++ = map[Pixel]; | ||
1872 | ++src; | ||
1873 | RGB888_RGB332(Pixel, *src); | ||
1874 | *dst++ = map[Pixel]; | ||
1875 | ++src; | ||
1876 | } | ||
1877 | switch ( width & 3 ) { | ||
1878 | case 3: | ||
1879 | RGB888_RGB332(Pixel, *src); | ||
1880 | *dst++ = map[Pixel]; | ||
1881 | ++src; | ||
1882 | case 2: | ||
1883 | RGB888_RGB332(Pixel, *src); | ||
1884 | *dst++ = map[Pixel]; | ||
1885 | ++src; | ||
1886 | case 1: | ||
1887 | RGB888_RGB332(Pixel, *src); | ||
1888 | *dst++ = map[Pixel]; | ||
1889 | ++src; | ||
1890 | } | ||
1891 | src += srcskip; | ||
1892 | dst += dstskip; | ||
1893 | } | ||
1894 | #endif /* USE_DUFFS_LOOP */ | ||
1895 | } | ||
1896 | static void BlitNto1(SDL_BlitInfo *info) | ||
1897 | { | ||
1898 | #ifndef USE_DUFFS_LOOP | ||
1899 | int c; | ||
1900 | #endif | ||
1901 | int width, height; | ||
1902 | Uint8 *src; | ||
1903 | const Uint8 *map; | ||
1904 | Uint8 *dst; | ||
1905 | int srcskip, dstskip; | ||
1906 | int srcbpp; | ||
1907 | Uint32 Pixel; | ||
1908 | int sR, sG, sB; | ||
1909 | SDL_PixelFormat *srcfmt; | ||
1910 | |||
1911 | /* Set up some basic variables */ | ||
1912 | width = info->d_width; | ||
1913 | height = info->d_height; | ||
1914 | src = info->s_pixels; | ||
1915 | srcskip = info->s_skip; | ||
1916 | dst = info->d_pixels; | ||
1917 | dstskip = info->d_skip; | ||
1918 | map = info->table; | ||
1919 | srcfmt = info->src; | ||
1920 | srcbpp = srcfmt->BytesPerPixel; | ||
1921 | |||
1922 | if ( map == NULL ) { | ||
1923 | while ( height-- ) { | ||
1924 | #ifdef USE_DUFFS_LOOP | ||
1925 | DUFFS_LOOP( | ||
1926 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, | ||
1927 | sR, sG, sB); | ||
1928 | if ( 1 ) { | ||
1929 | /* Pack RGB into 8bit pixel */ | ||
1930 | *dst = ((sR>>5)<<(3+2))| | ||
1931 | ((sG>>5)<<(2)) | | ||
1932 | ((sB>>6)<<(0)) ; | ||
1933 | } | ||
1934 | dst++; | ||
1935 | src += srcbpp; | ||
1936 | , width); | ||
1937 | #else | ||
1938 | for ( c=width; c; --c ) { | ||
1939 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, | ||
1940 | sR, sG, sB); | ||
1941 | if ( 1 ) { | ||
1942 | /* Pack RGB into 8bit pixel */ | ||
1943 | *dst = ((sR>>5)<<(3+2))| | ||
1944 | ((sG>>5)<<(2)) | | ||
1945 | ((sB>>6)<<(0)) ; | ||
1946 | } | ||
1947 | dst++; | ||
1948 | src += srcbpp; | ||
1949 | } | ||
1950 | #endif | ||
1951 | src += srcskip; | ||
1952 | dst += dstskip; | ||
1953 | } | ||
1954 | } else { | ||
1955 | while ( height-- ) { | ||
1956 | #ifdef USE_DUFFS_LOOP | ||
1957 | DUFFS_LOOP( | ||
1958 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, | ||
1959 | sR, sG, sB); | ||
1960 | if ( 1 ) { | ||
1961 | /* Pack RGB into 8bit pixel */ | ||
1962 | *dst = map[((sR>>5)<<(3+2))| | ||
1963 | ((sG>>5)<<(2)) | | ||
1964 | ((sB>>6)<<(0)) ]; | ||
1965 | } | ||
1966 | dst++; | ||
1967 | src += srcbpp; | ||
1968 | , width); | ||
1969 | #else | ||
1970 | for ( c=width; c; --c ) { | ||
1971 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, | ||
1972 | sR, sG, sB); | ||
1973 | if ( 1 ) { | ||
1974 | /* Pack RGB into 8bit pixel */ | ||
1975 | *dst = map[((sR>>5)<<(3+2))| | ||
1976 | ((sG>>5)<<(2)) | | ||
1977 | ((sB>>6)<<(0)) ]; | ||
1978 | } | ||
1979 | dst++; | ||
1980 | src += srcbpp; | ||
1981 | } | ||
1982 | #endif /* USE_DUFFS_LOOP */ | ||
1983 | src += srcskip; | ||
1984 | dst += dstskip; | ||
1985 | } | ||
1986 | } | ||
1987 | } | ||
1988 | |||
1989 | /* blits 32 bit RGB<->RGBA with both surfaces having the same R,G,B fields */ | ||
1990 | static void Blit4to4MaskAlpha(SDL_BlitInfo *info) | ||
1991 | { | ||
1992 | int width = info->d_width; | ||
1993 | int height = info->d_height; | ||
1994 | Uint32 *src = (Uint32 *)info->s_pixels; | ||
1995 | int srcskip = info->s_skip; | ||
1996 | Uint32 *dst = (Uint32 *)info->d_pixels; | ||
1997 | int dstskip = info->d_skip; | ||
1998 | SDL_PixelFormat *srcfmt = info->src; | ||
1999 | SDL_PixelFormat *dstfmt = info->dst; | ||
2000 | |||
2001 | if (dstfmt->Amask) { | ||
2002 | /* RGB->RGBA, SET_ALPHA */ | ||
2003 | Uint32 mask = (srcfmt->alpha >> dstfmt->Aloss) << dstfmt->Ashift; | ||
2004 | |||
2005 | while ( height-- ) { | ||
2006 | DUFFS_LOOP( | ||
2007 | { | ||
2008 | *dst = *src | mask; | ||
2009 | ++dst; | ||
2010 | ++src; | ||
2011 | }, | ||
2012 | width); | ||
2013 | src = (Uint32*)((Uint8*)src + srcskip); | ||
2014 | dst = (Uint32*)((Uint8*)dst + dstskip); | ||
2015 | } | ||
2016 | } else { | ||
2017 | /* RGBA->RGB, NO_ALPHA */ | ||
2018 | Uint32 mask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; | ||
2019 | |||
2020 | while ( height-- ) { | ||
2021 | DUFFS_LOOP( | ||
2022 | { | ||
2023 | *dst = *src & mask; | ||
2024 | ++dst; | ||
2025 | ++src; | ||
2026 | }, | ||
2027 | width); | ||
2028 | src = (Uint32*)((Uint8*)src + srcskip); | ||
2029 | dst = (Uint32*)((Uint8*)dst + dstskip); | ||
2030 | } | ||
2031 | } | ||
2032 | } | ||
2033 | |||
2034 | static void BlitNtoN(SDL_BlitInfo *info) | ||
2035 | { | ||
2036 | int width = info->d_width; | ||
2037 | int height = info->d_height; | ||
2038 | Uint8 *src = info->s_pixels; | ||
2039 | int srcskip = info->s_skip; | ||
2040 | Uint8 *dst = info->d_pixels; | ||
2041 | int dstskip = info->d_skip; | ||
2042 | SDL_PixelFormat *srcfmt = info->src; | ||
2043 | int srcbpp = srcfmt->BytesPerPixel; | ||
2044 | SDL_PixelFormat *dstfmt = info->dst; | ||
2045 | int dstbpp = dstfmt->BytesPerPixel; | ||
2046 | unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0; | ||
2047 | |||
2048 | while ( height-- ) { | ||
2049 | DUFFS_LOOP( | ||
2050 | { | ||
2051 | Uint32 Pixel; | ||
2052 | unsigned sR; | ||
2053 | unsigned sG; | ||
2054 | unsigned sB; | ||
2055 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); | ||
2056 | ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, alpha); | ||
2057 | dst += dstbpp; | ||
2058 | src += srcbpp; | ||
2059 | }, | ||
2060 | width); | ||
2061 | src += srcskip; | ||
2062 | dst += dstskip; | ||
2063 | } | ||
2064 | } | ||
2065 | |||
2066 | static void BlitNtoNCopyAlpha(SDL_BlitInfo *info) | ||
2067 | { | ||
2068 | int width = info->d_width; | ||
2069 | int height = info->d_height; | ||
2070 | Uint8 *src = info->s_pixels; | ||
2071 | int srcskip = info->s_skip; | ||
2072 | Uint8 *dst = info->d_pixels; | ||
2073 | int dstskip = info->d_skip; | ||
2074 | SDL_PixelFormat *srcfmt = info->src; | ||
2075 | int srcbpp = srcfmt->BytesPerPixel; | ||
2076 | SDL_PixelFormat *dstfmt = info->dst; | ||
2077 | int dstbpp = dstfmt->BytesPerPixel; | ||
2078 | int c; | ||
2079 | |||
2080 | /* FIXME: should map alpha to [0..255] correctly! */ | ||
2081 | while ( height-- ) { | ||
2082 | for ( c=width; c; --c ) { | ||
2083 | Uint32 Pixel; | ||
2084 | unsigned sR, sG, sB, sA; | ||
2085 | DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, | ||
2086 | sR, sG, sB, sA); | ||
2087 | ASSEMBLE_RGBA(dst, dstbpp, dstfmt, | ||
2088 | sR, sG, sB, sA); | ||
2089 | dst += dstbpp; | ||
2090 | src += srcbpp; | ||
2091 | } | ||
2092 | src += srcskip; | ||
2093 | dst += dstskip; | ||
2094 | } | ||
2095 | } | ||
2096 | |||
2097 | static void BlitNto1Key(SDL_BlitInfo *info) | ||
2098 | { | ||
2099 | int width = info->d_width; | ||
2100 | int height = info->d_height; | ||
2101 | Uint8 *src = info->s_pixels; | ||
2102 | int srcskip = info->s_skip; | ||
2103 | Uint8 *dst = info->d_pixels; | ||
2104 | int dstskip = info->d_skip; | ||
2105 | SDL_PixelFormat *srcfmt = info->src; | ||
2106 | const Uint8 *palmap = info->table; | ||
2107 | Uint32 ckey = srcfmt->colorkey; | ||
2108 | Uint32 rgbmask = ~srcfmt->Amask; | ||
2109 | int srcbpp; | ||
2110 | Uint32 Pixel; | ||
2111 | unsigned sR, sG, sB; | ||
2112 | |||
2113 | /* Set up some basic variables */ | ||
2114 | srcbpp = srcfmt->BytesPerPixel; | ||
2115 | ckey &= rgbmask; | ||
2116 | |||
2117 | if ( palmap == NULL ) { | ||
2118 | while ( height-- ) { | ||
2119 | DUFFS_LOOP( | ||
2120 | { | ||
2121 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, | ||
2122 | sR, sG, sB); | ||
2123 | if ( (Pixel & rgbmask) != ckey ) { | ||
2124 | /* Pack RGB into 8bit pixel */ | ||
2125 | *dst = (Uint8)(((sR>>5)<<(3+2))| | ||
2126 | ((sG>>5)<<(2)) | | ||
2127 | ((sB>>6)<<(0))); | ||
2128 | } | ||
2129 | dst++; | ||
2130 | src += srcbpp; | ||
2131 | }, | ||
2132 | width); | ||
2133 | src += srcskip; | ||
2134 | dst += dstskip; | ||
2135 | } | ||
2136 | } else { | ||
2137 | while ( height-- ) { | ||
2138 | DUFFS_LOOP( | ||
2139 | { | ||
2140 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, | ||
2141 | sR, sG, sB); | ||
2142 | if ( (Pixel & rgbmask) != ckey ) { | ||
2143 | /* Pack RGB into 8bit pixel */ | ||
2144 | *dst = (Uint8)palmap[((sR>>5)<<(3+2))| | ||
2145 | ((sG>>5)<<(2)) | | ||
2146 | ((sB>>6)<<(0)) ]; | ||
2147 | } | ||
2148 | dst++; | ||
2149 | src += srcbpp; | ||
2150 | }, | ||
2151 | width); | ||
2152 | src += srcskip; | ||
2153 | dst += dstskip; | ||
2154 | } | ||
2155 | } | ||
2156 | } | ||
2157 | |||
2158 | static void Blit2to2Key(SDL_BlitInfo *info) | ||
2159 | { | ||
2160 | int width = info->d_width; | ||
2161 | int height = info->d_height; | ||
2162 | Uint16 *srcp = (Uint16 *)info->s_pixels; | ||
2163 | int srcskip = info->s_skip; | ||
2164 | Uint16 *dstp = (Uint16 *)info->d_pixels; | ||
2165 | int dstskip = info->d_skip; | ||
2166 | Uint32 ckey = info->src->colorkey; | ||
2167 | Uint32 rgbmask = ~info->src->Amask; | ||
2168 | |||
2169 | /* Set up some basic variables */ | ||
2170 | srcskip /= 2; | ||
2171 | dstskip /= 2; | ||
2172 | ckey &= rgbmask; | ||
2173 | |||
2174 | while ( height-- ) { | ||
2175 | DUFFS_LOOP( | ||
2176 | { | ||
2177 | if ( (*srcp & rgbmask) != ckey ) { | ||
2178 | *dstp = *srcp; | ||
2179 | } | ||
2180 | dstp++; | ||
2181 | srcp++; | ||
2182 | }, | ||
2183 | width); | ||
2184 | srcp += srcskip; | ||
2185 | dstp += dstskip; | ||
2186 | } | ||
2187 | } | ||
2188 | |||
2189 | static void BlitNtoNKey(SDL_BlitInfo *info) | ||
2190 | { | ||
2191 | int width = info->d_width; | ||
2192 | int height = info->d_height; | ||
2193 | Uint8 *src = info->s_pixels; | ||
2194 | int srcskip = info->s_skip; | ||
2195 | Uint8 *dst = info->d_pixels; | ||
2196 | int dstskip = info->d_skip; | ||
2197 | Uint32 ckey = info->src->colorkey; | ||
2198 | SDL_PixelFormat *srcfmt = info->src; | ||
2199 | SDL_PixelFormat *dstfmt = info->dst; | ||
2200 | int srcbpp = srcfmt->BytesPerPixel; | ||
2201 | int dstbpp = dstfmt->BytesPerPixel; | ||
2202 | unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0; | ||
2203 | Uint32 rgbmask = ~srcfmt->Amask; | ||
2204 | |||
2205 | /* Set up some basic variables */ | ||
2206 | ckey &= rgbmask; | ||
2207 | |||
2208 | while ( height-- ) { | ||
2209 | DUFFS_LOOP( | ||
2210 | { | ||
2211 | Uint32 Pixel; | ||
2212 | unsigned sR; | ||
2213 | unsigned sG; | ||
2214 | unsigned sB; | ||
2215 | RETRIEVE_RGB_PIXEL(src, srcbpp, Pixel); | ||
2216 | if ( (Pixel & rgbmask) != ckey ) { | ||
2217 | RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); | ||
2218 | ASSEMBLE_RGBA(dst, dstbpp, dstfmt, | ||
2219 | sR, sG, sB, alpha); | ||
2220 | } | ||
2221 | dst += dstbpp; | ||
2222 | src += srcbpp; | ||
2223 | }, | ||
2224 | width); | ||
2225 | src += srcskip; | ||
2226 | dst += dstskip; | ||
2227 | } | ||
2228 | } | ||
2229 | |||
2230 | static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo *info) | ||
2231 | { | ||
2232 | int width = info->d_width; | ||
2233 | int height = info->d_height; | ||
2234 | Uint8 *src = info->s_pixels; | ||
2235 | int srcskip = info->s_skip; | ||
2236 | Uint8 *dst = info->d_pixels; | ||
2237 | int dstskip = info->d_skip; | ||
2238 | Uint32 ckey = info->src->colorkey; | ||
2239 | SDL_PixelFormat *srcfmt = info->src; | ||
2240 | SDL_PixelFormat *dstfmt = info->dst; | ||
2241 | Uint32 rgbmask = ~srcfmt->Amask; | ||
2242 | |||
2243 | Uint8 srcbpp; | ||
2244 | Uint8 dstbpp; | ||
2245 | Uint32 Pixel; | ||
2246 | unsigned sR, sG, sB, sA; | ||
2247 | |||
2248 | /* Set up some basic variables */ | ||
2249 | srcbpp = srcfmt->BytesPerPixel; | ||
2250 | dstbpp = dstfmt->BytesPerPixel; | ||
2251 | ckey &= rgbmask; | ||
2252 | |||
2253 | /* FIXME: should map alpha to [0..255] correctly! */ | ||
2254 | while ( height-- ) { | ||
2255 | DUFFS_LOOP( | ||
2256 | { | ||
2257 | DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, | ||
2258 | sR, sG, sB, sA); | ||
2259 | if ( (Pixel & rgbmask) != ckey ) { | ||
2260 | ASSEMBLE_RGBA(dst, dstbpp, dstfmt, | ||
2261 | sR, sG, sB, sA); | ||
2262 | } | ||
2263 | dst += dstbpp; | ||
2264 | src += srcbpp; | ||
2265 | }, | ||
2266 | width); | ||
2267 | src += srcskip; | ||
2268 | dst += dstskip; | ||
2269 | } | ||
2270 | } | ||
2271 | |||
2272 | /* Normal N to N optimized blitters */ | ||
2273 | struct blit_table { | ||
2274 | Uint32 srcR, srcG, srcB; | ||
2275 | int dstbpp; | ||
2276 | Uint32 dstR, dstG, dstB; | ||
2277 | Uint32 blit_features; | ||
2278 | void *aux_data; | ||
2279 | SDL_loblit blitfunc; | ||
2280 | enum { NO_ALPHA=1, SET_ALPHA=2, COPY_ALPHA=4 } alpha; | ||
2281 | }; | ||
2282 | static const struct blit_table normal_blit_1[] = { | ||
2283 | /* Default for 8-bit RGB source, an invalid combination */ | ||
2284 | { 0,0,0, 0, 0,0,0, 0, NULL, NULL }, | ||
2285 | }; | ||
2286 | static const struct blit_table normal_blit_2[] = { | ||
2287 | #if SDL_HERMES_BLITTERS | ||
2288 | { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000007E0,0x0000F800, | ||
2289 | 0, ConvertX86p16_16BGR565, ConvertX86, NO_ALPHA }, | ||
2290 | { 0x0000F800,0x000007E0,0x0000001F, 2, 0x00007C00,0x000003E0,0x0000001F, | ||
2291 | 0, ConvertX86p16_16RGB555, ConvertX86, NO_ALPHA }, | ||
2292 | { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000003E0,0x00007C00, | ||
2293 | 0, ConvertX86p16_16BGR555, ConvertX86, NO_ALPHA }, | ||
2294 | #elif SDL_ALTIVEC_BLITTERS | ||
2295 | /* has-altivec */ | ||
2296 | { 0x0000F800,0x000007E0,0x0000001F, 4, 0x00000000,0x00000000,0x00000000, | ||
2297 | 2, NULL, Blit_RGB565_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, | ||
2298 | { 0x00007C00,0x000003E0,0x0000001F, 4, 0x00000000,0x00000000,0x00000000, | ||
2299 | 2, NULL, Blit_RGB555_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, | ||
2300 | #endif | ||
2301 | { 0x0000F800,0x000007E0,0x0000001F, 4, 0x00FF0000,0x0000FF00,0x000000FF, | ||
2302 | 0, NULL, Blit_RGB565_ARGB8888, SET_ALPHA }, | ||
2303 | { 0x0000F800,0x000007E0,0x0000001F, 4, 0x000000FF,0x0000FF00,0x00FF0000, | ||
2304 | 0, NULL, Blit_RGB565_ABGR8888, SET_ALPHA }, | ||
2305 | { 0x0000F800,0x000007E0,0x0000001F, 4, 0xFF000000,0x00FF0000,0x0000FF00, | ||
2306 | 0, NULL, Blit_RGB565_RGBA8888, SET_ALPHA }, | ||
2307 | { 0x0000F800,0x000007E0,0x0000001F, 4, 0x0000FF00,0x00FF0000,0xFF000000, | ||
2308 | 0, NULL, Blit_RGB565_BGRA8888, SET_ALPHA }, | ||
2309 | |||
2310 | /* Default for 16-bit RGB source, used if no other blitter matches */ | ||
2311 | { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } | ||
2312 | }; | ||
2313 | static const struct blit_table normal_blit_3[] = { | ||
2314 | /* Default for 24-bit RGB source, never optimized */ | ||
2315 | { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } | ||
2316 | }; | ||
2317 | static const struct blit_table normal_blit_4[] = { | ||
2318 | #if SDL_HERMES_BLITTERS | ||
2319 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, | ||
2320 | 1, ConvertMMXpII32_16RGB565, ConvertMMX, NO_ALPHA }, | ||
2321 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, | ||
2322 | 0, ConvertX86p32_16RGB565, ConvertX86, NO_ALPHA }, | ||
2323 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800, | ||
2324 | 1, ConvertMMXpII32_16BGR565, ConvertMMX, NO_ALPHA }, | ||
2325 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800, | ||
2326 | 0, ConvertX86p32_16BGR565, ConvertX86, NO_ALPHA }, | ||
2327 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, | ||
2328 | 1, ConvertMMXpII32_16RGB555, ConvertMMX, NO_ALPHA }, | ||
2329 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, | ||
2330 | 0, ConvertX86p32_16RGB555, ConvertX86, NO_ALPHA }, | ||
2331 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00, | ||
2332 | 1, ConvertMMXpII32_16BGR555, ConvertMMX, NO_ALPHA }, | ||
2333 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00, | ||
2334 | 0, ConvertX86p32_16BGR555, ConvertX86, NO_ALPHA }, | ||
2335 | { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x00FF0000,0x0000FF00,0x000000FF, | ||
2336 | 1, ConvertMMXpII32_24RGB888, ConvertMMX, NO_ALPHA }, | ||
2337 | { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x00FF0000,0x0000FF00,0x000000FF, | ||
2338 | 0, ConvertX86p32_24RGB888, ConvertX86, NO_ALPHA }, | ||
2339 | { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x000000FF,0x0000FF00,0x00FF0000, | ||
2340 | 0, ConvertX86p32_24BGR888, ConvertX86, NO_ALPHA }, | ||
2341 | { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x000000FF,0x0000FF00,0x00FF0000, | ||
2342 | 0, ConvertX86p32_32BGR888, ConvertX86, NO_ALPHA }, | ||
2343 | { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0xFF000000,0x00FF0000,0x0000FF00, | ||
2344 | 0, ConvertX86p32_32RGBA888, ConvertX86, NO_ALPHA }, | ||
2345 | { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x0000FF00,0x00FF0000,0xFF000000, | ||
2346 | 0, ConvertX86p32_32BGRA888, ConvertX86, NO_ALPHA }, | ||
2347 | #else | ||
2348 | #if SDL_ALTIVEC_BLITTERS | ||
2349 | /* has-altivec | dont-use-prefetch */ | ||
2350 | { 0x00000000,0x00000000,0x00000000, 4, 0x00000000,0x00000000,0x00000000, | ||
2351 | 6, NULL, ConvertAltivec32to32_noprefetch, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, | ||
2352 | /* has-altivec */ | ||
2353 | { 0x00000000,0x00000000,0x00000000, 4, 0x00000000,0x00000000,0x00000000, | ||
2354 | 2, NULL, ConvertAltivec32to32_prefetch, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, | ||
2355 | /* has-altivec */ | ||
2356 | { 0x00000000,0x00000000,0x00000000, 2, 0x0000F800,0x000007E0,0x0000001F, | ||
2357 | 2, NULL, Blit_RGB888_RGB565Altivec, NO_ALPHA }, | ||
2358 | #endif | ||
2359 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, | ||
2360 | 0, NULL, Blit_RGB888_RGB565, NO_ALPHA }, | ||
2361 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, | ||
2362 | 0, NULL, Blit_RGB888_RGB555, NO_ALPHA }, | ||
2363 | #endif | ||
2364 | /* Default for 32-bit RGB source, used if no other blitter matches */ | ||
2365 | { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } | ||
2366 | }; | ||
2367 | static const struct blit_table *normal_blit[] = { | ||
2368 | normal_blit_1, normal_blit_2, normal_blit_3, normal_blit_4 | ||
2369 | }; | ||
2370 | |||
2371 | /* Mask matches table, or table entry is zero */ | ||
2372 | #define MASKOK(x, y) (((x) == (y)) || ((y) == 0x00000000)) | ||
2373 | |||
2374 | SDL_loblit SDL_CalculateBlitN(SDL_Surface *surface, int blit_index) | ||
2375 | { | ||
2376 | struct private_swaccel *sdata; | ||
2377 | SDL_PixelFormat *srcfmt; | ||
2378 | SDL_PixelFormat *dstfmt; | ||
2379 | const struct blit_table *table; | ||
2380 | int which; | ||
2381 | SDL_loblit blitfun; | ||
2382 | |||
2383 | /* Set up data for choosing the blit */ | ||
2384 | sdata = surface->map->sw_data; | ||
2385 | srcfmt = surface->format; | ||
2386 | dstfmt = surface->map->dst->format; | ||
2387 | |||
2388 | if ( blit_index & 2 ) { | ||
2389 | /* alpha or alpha+colorkey */ | ||
2390 | return SDL_CalculateAlphaBlit(surface, blit_index); | ||
2391 | } | ||
2392 | |||
2393 | /* We don't support destinations less than 8-bits */ | ||
2394 | if ( dstfmt->BitsPerPixel < 8 ) { | ||
2395 | return(NULL); | ||
2396 | } | ||
2397 | |||
2398 | if(blit_index == 1) { | ||
2399 | /* colorkey blit: Here we don't have too many options, mostly | ||
2400 | because RLE is the preferred fast way to deal with this. | ||
2401 | If a particular case turns out to be useful we'll add it. */ | ||
2402 | |||
2403 | if(srcfmt->BytesPerPixel == 2 | ||
2404 | && surface->map->identity) | ||
2405 | return Blit2to2Key; | ||
2406 | else if(dstfmt->BytesPerPixel == 1) | ||
2407 | return BlitNto1Key; | ||
2408 | else { | ||
2409 | #if SDL_ALTIVEC_BLITTERS | ||
2410 | if((srcfmt->BytesPerPixel == 4) && (dstfmt->BytesPerPixel == 4) && SDL_HasAltiVec()) { | ||
2411 | return Blit32to32KeyAltivec; | ||
2412 | } else | ||
2413 | #endif | ||
2414 | |||
2415 | if(srcfmt->Amask && dstfmt->Amask) | ||
2416 | return BlitNtoNKeyCopyAlpha; | ||
2417 | else | ||
2418 | return BlitNtoNKey; | ||
2419 | } | ||
2420 | } | ||
2421 | |||
2422 | blitfun = NULL; | ||
2423 | if ( dstfmt->BitsPerPixel == 8 ) { | ||
2424 | /* We assume 8-bit destinations are palettized */ | ||
2425 | if ( (srcfmt->BytesPerPixel == 4) && | ||
2426 | (srcfmt->Rmask == 0x00FF0000) && | ||
2427 | (srcfmt->Gmask == 0x0000FF00) && | ||
2428 | (srcfmt->Bmask == 0x000000FF) ) { | ||
2429 | if ( surface->map->table ) { | ||
2430 | blitfun = Blit_RGB888_index8_map; | ||
2431 | } else { | ||
2432 | #if SDL_HERMES_BLITTERS | ||
2433 | sdata->aux_data = ConvertX86p32_8RGB332; | ||
2434 | blitfun = ConvertX86; | ||
2435 | #else | ||
2436 | blitfun = Blit_RGB888_index8; | ||
2437 | #endif | ||
2438 | } | ||
2439 | } else { | ||
2440 | blitfun = BlitNto1; | ||
2441 | } | ||
2442 | } else { | ||
2443 | /* Now the meat, choose the blitter we want */ | ||
2444 | int a_need = NO_ALPHA; | ||
2445 | if(dstfmt->Amask) | ||
2446 | a_need = srcfmt->Amask ? COPY_ALPHA : SET_ALPHA; | ||
2447 | table = normal_blit[srcfmt->BytesPerPixel-1]; | ||
2448 | for ( which=0; table[which].dstbpp; ++which ) { | ||
2449 | if ( MASKOK(srcfmt->Rmask, table[which].srcR) && | ||
2450 | MASKOK(srcfmt->Gmask, table[which].srcG) && | ||
2451 | MASKOK(srcfmt->Bmask, table[which].srcB) && | ||
2452 | MASKOK(dstfmt->Rmask, table[which].dstR) && | ||
2453 | MASKOK(dstfmt->Gmask, table[which].dstG) && | ||
2454 | MASKOK(dstfmt->Bmask, table[which].dstB) && | ||
2455 | dstfmt->BytesPerPixel == table[which].dstbpp && | ||
2456 | (a_need & table[which].alpha) == a_need && | ||
2457 | ((table[which].blit_features & GetBlitFeatures()) == table[which].blit_features) ) | ||
2458 | break; | ||
2459 | } | ||
2460 | sdata->aux_data = table[which].aux_data; | ||
2461 | blitfun = table[which].blitfunc; | ||
2462 | |||
2463 | if(blitfun == BlitNtoN) { /* default C fallback catch-all. Slow! */ | ||
2464 | /* Fastpath C fallback: 32bit RGB<->RGBA blit with matching RGB */ | ||
2465 | if ( srcfmt->BytesPerPixel == 4 && dstfmt->BytesPerPixel == 4 && | ||
2466 | srcfmt->Rmask == dstfmt->Rmask && | ||
2467 | srcfmt->Gmask == dstfmt->Gmask && | ||
2468 | srcfmt->Bmask == dstfmt->Bmask ) { | ||
2469 | blitfun = Blit4to4MaskAlpha; | ||
2470 | } else if ( a_need == COPY_ALPHA ) { | ||
2471 | blitfun = BlitNtoNCopyAlpha; | ||
2472 | } | ||
2473 | } | ||
2474 | } | ||
2475 | |||
2476 | #ifdef DEBUG_ASM | ||
2477 | #if SDL_HERMES_BLITTERS | ||
2478 | if ( blitfun == ConvertMMX ) | ||
2479 | fprintf(stderr, "Using mmx blit\n"); | ||
2480 | else | ||
2481 | if ( blitfun == ConvertX86 ) | ||
2482 | fprintf(stderr, "Using asm blit\n"); | ||
2483 | else | ||
2484 | #endif | ||
2485 | if ( (blitfun == BlitNtoN) || (blitfun == BlitNto1) ) | ||
2486 | fprintf(stderr, "Using C blit\n"); | ||
2487 | else | ||
2488 | fprintf(stderr, "Using optimized C blit\n"); | ||
2489 | #endif /* DEBUG_ASM */ | ||
2490 | |||
2491 | return(blitfun); | ||
2492 | } | ||