| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 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 | #ifdef __ARM_NEON__ |
| 1214 | |
| 1215 | /* NEON optimized blitter callers */ |
| 1216 | #define make_neon_caller(name, neon_name) \ |
| 1217 | extern void neon_name(void *dst, const void *src, int count, unsigned int abits); \ |
| 1218 | static void name(SDL_BlitInfo *info) \ |
| 1219 | { \ |
| 1220 | int width = info->d_width; \ |
| 1221 | int height = info->d_height; \ |
| 1222 | Uint8 *src = info->s_pixels; \ |
| 1223 | Uint8 *dst = info->d_pixels; \ |
| 1224 | int srcskip = info->s_skip; \ |
| 1225 | int dstskip = info->d_skip; \ |
| 1226 | unsigned int abits = info->dst->Amask ? 0xff : 0; \ |
| 1227 | \ |
| 1228 | while ( height-- ) { \ |
| 1229 | neon_name(dst, src, width, abits); \ |
| 1230 | src += width * 4 + srcskip; \ |
| 1231 | dst += width * 4 + dstskip; \ |
| 1232 | } \ |
| 1233 | } |
| 1234 | |
| 1235 | make_neon_caller(BlitABGRtoXRGB_neon, neon_ABGRtoXRGB) |
| 1236 | make_neon_caller(BlitARGBtoXRGB_neon, neon_ARGBtoXRGB) |
| 1237 | |
| 1238 | #endif /* __ARM_NEON__ */ |
| 1239 | |
| 1240 | |
| 1241 | /* Special optimized blit for RGB 5-6-5 --> 32-bit RGB surfaces */ |
| 1242 | #define RGB565_32(dst, src, map) (map[src[LO]*2] + map[src[HI]*2+1]) |
| 1243 | static void Blit_RGB565_32(SDL_BlitInfo *info, const Uint32 *map) |
| 1244 | { |
| 1245 | #ifndef USE_DUFFS_LOOP |
| 1246 | int c; |
| 1247 | #endif |
| 1248 | int width, height; |
| 1249 | Uint8 *src; |
| 1250 | Uint32 *dst; |
| 1251 | int srcskip, dstskip; |
| 1252 | |
| 1253 | /* Set up some basic variables */ |
| 1254 | width = info->d_width; |
| 1255 | height = info->d_height; |
| 1256 | src = (Uint8 *)info->s_pixels; |
| 1257 | srcskip = info->s_skip; |
| 1258 | dst = (Uint32 *)info->d_pixels; |
| 1259 | dstskip = info->d_skip/4; |
| 1260 | |
| 1261 | #ifdef USE_DUFFS_LOOP |
| 1262 | while ( height-- ) { |
| 1263 | DUFFS_LOOP( |
| 1264 | { |
| 1265 | *dst++ = RGB565_32(dst, src, map); |
| 1266 | src += 2; |
| 1267 | }, |
| 1268 | width); |
| 1269 | src += srcskip; |
| 1270 | dst += dstskip; |
| 1271 | } |
| 1272 | #else |
| 1273 | while ( height-- ) { |
| 1274 | /* Copy in 4 pixel chunks */ |
| 1275 | for ( c=width/4; c; --c ) { |
| 1276 | *dst++ = RGB565_32(dst, src, map); |
| 1277 | src += 2; |
| 1278 | *dst++ = RGB565_32(dst, src, map); |
| 1279 | src += 2; |
| 1280 | *dst++ = RGB565_32(dst, src, map); |
| 1281 | src += 2; |
| 1282 | *dst++ = RGB565_32(dst, src, map); |
| 1283 | src += 2; |
| 1284 | } |
| 1285 | /* Get any leftovers */ |
| 1286 | switch (width & 3) { |
| 1287 | case 3: |
| 1288 | *dst++ = RGB565_32(dst, src, map); |
| 1289 | src += 2; |
| 1290 | case 2: |
| 1291 | *dst++ = RGB565_32(dst, src, map); |
| 1292 | src += 2; |
| 1293 | case 1: |
| 1294 | *dst++ = RGB565_32(dst, src, map); |
| 1295 | src += 2; |
| 1296 | break; |
| 1297 | } |
| 1298 | src += srcskip; |
| 1299 | dst += dstskip; |
| 1300 | } |
| 1301 | #endif /* USE_DUFFS_LOOP */ |
| 1302 | } |
| 1303 | |
| 1304 | /* Special optimized blit for RGB 5-6-5 --> ARGB 8-8-8-8 */ |
| 1305 | static const Uint32 RGB565_ARGB8888_LUT[512] = { |
| 1306 | 0x00000000, 0xff000000, 0x00000008, 0xff002000, |
| 1307 | 0x00000010, 0xff004000, 0x00000018, 0xff006100, |
| 1308 | 0x00000020, 0xff008100, 0x00000029, 0xff00a100, |
| 1309 | 0x00000031, 0xff00c200, 0x00000039, 0xff00e200, |
| 1310 | 0x00000041, 0xff080000, 0x0000004a, 0xff082000, |
| 1311 | 0x00000052, 0xff084000, 0x0000005a, 0xff086100, |
| 1312 | 0x00000062, 0xff088100, 0x0000006a, 0xff08a100, |
| 1313 | 0x00000073, 0xff08c200, 0x0000007b, 0xff08e200, |
| 1314 | 0x00000083, 0xff100000, 0x0000008b, 0xff102000, |
| 1315 | 0x00000094, 0xff104000, 0x0000009c, 0xff106100, |
| 1316 | 0x000000a4, 0xff108100, 0x000000ac, 0xff10a100, |
| 1317 | 0x000000b4, 0xff10c200, 0x000000bd, 0xff10e200, |
| 1318 | 0x000000c5, 0xff180000, 0x000000cd, 0xff182000, |
| 1319 | 0x000000d5, 0xff184000, 0x000000de, 0xff186100, |
| 1320 | 0x000000e6, 0xff188100, 0x000000ee, 0xff18a100, |
| 1321 | 0x000000f6, 0xff18c200, 0x000000ff, 0xff18e200, |
| 1322 | 0x00000400, 0xff200000, 0x00000408, 0xff202000, |
| 1323 | 0x00000410, 0xff204000, 0x00000418, 0xff206100, |
| 1324 | 0x00000420, 0xff208100, 0x00000429, 0xff20a100, |
| 1325 | 0x00000431, 0xff20c200, 0x00000439, 0xff20e200, |
| 1326 | 0x00000441, 0xff290000, 0x0000044a, 0xff292000, |
| 1327 | 0x00000452, 0xff294000, 0x0000045a, 0xff296100, |
| 1328 | 0x00000462, 0xff298100, 0x0000046a, 0xff29a100, |
| 1329 | 0x00000473, 0xff29c200, 0x0000047b, 0xff29e200, |
| 1330 | 0x00000483, 0xff310000, 0x0000048b, 0xff312000, |
| 1331 | 0x00000494, 0xff314000, 0x0000049c, 0xff316100, |
| 1332 | 0x000004a4, 0xff318100, 0x000004ac, 0xff31a100, |
| 1333 | 0x000004b4, 0xff31c200, 0x000004bd, 0xff31e200, |
| 1334 | 0x000004c5, 0xff390000, 0x000004cd, 0xff392000, |
| 1335 | 0x000004d5, 0xff394000, 0x000004de, 0xff396100, |
| 1336 | 0x000004e6, 0xff398100, 0x000004ee, 0xff39a100, |
| 1337 | 0x000004f6, 0xff39c200, 0x000004ff, 0xff39e200, |
| 1338 | 0x00000800, 0xff410000, 0x00000808, 0xff412000, |
| 1339 | 0x00000810, 0xff414000, 0x00000818, 0xff416100, |
| 1340 | 0x00000820, 0xff418100, 0x00000829, 0xff41a100, |
| 1341 | 0x00000831, 0xff41c200, 0x00000839, 0xff41e200, |
| 1342 | 0x00000841, 0xff4a0000, 0x0000084a, 0xff4a2000, |
| 1343 | 0x00000852, 0xff4a4000, 0x0000085a, 0xff4a6100, |
| 1344 | 0x00000862, 0xff4a8100, 0x0000086a, 0xff4aa100, |
| 1345 | 0x00000873, 0xff4ac200, 0x0000087b, 0xff4ae200, |
| 1346 | 0x00000883, 0xff520000, 0x0000088b, 0xff522000, |
| 1347 | 0x00000894, 0xff524000, 0x0000089c, 0xff526100, |
| 1348 | 0x000008a4, 0xff528100, 0x000008ac, 0xff52a100, |
| 1349 | 0x000008b4, 0xff52c200, 0x000008bd, 0xff52e200, |
| 1350 | 0x000008c5, 0xff5a0000, 0x000008cd, 0xff5a2000, |
| 1351 | 0x000008d5, 0xff5a4000, 0x000008de, 0xff5a6100, |
| 1352 | 0x000008e6, 0xff5a8100, 0x000008ee, 0xff5aa100, |
| 1353 | 0x000008f6, 0xff5ac200, 0x000008ff, 0xff5ae200, |
| 1354 | 0x00000c00, 0xff620000, 0x00000c08, 0xff622000, |
| 1355 | 0x00000c10, 0xff624000, 0x00000c18, 0xff626100, |
| 1356 | 0x00000c20, 0xff628100, 0x00000c29, 0xff62a100, |
| 1357 | 0x00000c31, 0xff62c200, 0x00000c39, 0xff62e200, |
| 1358 | 0x00000c41, 0xff6a0000, 0x00000c4a, 0xff6a2000, |
| 1359 | 0x00000c52, 0xff6a4000, 0x00000c5a, 0xff6a6100, |
| 1360 | 0x00000c62, 0xff6a8100, 0x00000c6a, 0xff6aa100, |
| 1361 | 0x00000c73, 0xff6ac200, 0x00000c7b, 0xff6ae200, |
| 1362 | 0x00000c83, 0xff730000, 0x00000c8b, 0xff732000, |
| 1363 | 0x00000c94, 0xff734000, 0x00000c9c, 0xff736100, |
| 1364 | 0x00000ca4, 0xff738100, 0x00000cac, 0xff73a100, |
| 1365 | 0x00000cb4, 0xff73c200, 0x00000cbd, 0xff73e200, |
| 1366 | 0x00000cc5, 0xff7b0000, 0x00000ccd, 0xff7b2000, |
| 1367 | 0x00000cd5, 0xff7b4000, 0x00000cde, 0xff7b6100, |
| 1368 | 0x00000ce6, 0xff7b8100, 0x00000cee, 0xff7ba100, |
| 1369 | 0x00000cf6, 0xff7bc200, 0x00000cff, 0xff7be200, |
| 1370 | 0x00001000, 0xff830000, 0x00001008, 0xff832000, |
| 1371 | 0x00001010, 0xff834000, 0x00001018, 0xff836100, |
| 1372 | 0x00001020, 0xff838100, 0x00001029, 0xff83a100, |
| 1373 | 0x00001031, 0xff83c200, 0x00001039, 0xff83e200, |
| 1374 | 0x00001041, 0xff8b0000, 0x0000104a, 0xff8b2000, |
| 1375 | 0x00001052, 0xff8b4000, 0x0000105a, 0xff8b6100, |
| 1376 | 0x00001062, 0xff8b8100, 0x0000106a, 0xff8ba100, |
| 1377 | 0x00001073, 0xff8bc200, 0x0000107b, 0xff8be200, |
| 1378 | 0x00001083, 0xff940000, 0x0000108b, 0xff942000, |
| 1379 | 0x00001094, 0xff944000, 0x0000109c, 0xff946100, |
| 1380 | 0x000010a4, 0xff948100, 0x000010ac, 0xff94a100, |
| 1381 | 0x000010b4, 0xff94c200, 0x000010bd, 0xff94e200, |
| 1382 | 0x000010c5, 0xff9c0000, 0x000010cd, 0xff9c2000, |
| 1383 | 0x000010d5, 0xff9c4000, 0x000010de, 0xff9c6100, |
| 1384 | 0x000010e6, 0xff9c8100, 0x000010ee, 0xff9ca100, |
| 1385 | 0x000010f6, 0xff9cc200, 0x000010ff, 0xff9ce200, |
| 1386 | 0x00001400, 0xffa40000, 0x00001408, 0xffa42000, |
| 1387 | 0x00001410, 0xffa44000, 0x00001418, 0xffa46100, |
| 1388 | 0x00001420, 0xffa48100, 0x00001429, 0xffa4a100, |
| 1389 | 0x00001431, 0xffa4c200, 0x00001439, 0xffa4e200, |
| 1390 | 0x00001441, 0xffac0000, 0x0000144a, 0xffac2000, |
| 1391 | 0x00001452, 0xffac4000, 0x0000145a, 0xffac6100, |
| 1392 | 0x00001462, 0xffac8100, 0x0000146a, 0xffaca100, |
| 1393 | 0x00001473, 0xffacc200, 0x0000147b, 0xfface200, |
| 1394 | 0x00001483, 0xffb40000, 0x0000148b, 0xffb42000, |
| 1395 | 0x00001494, 0xffb44000, 0x0000149c, 0xffb46100, |
| 1396 | 0x000014a4, 0xffb48100, 0x000014ac, 0xffb4a100, |
| 1397 | 0x000014b4, 0xffb4c200, 0x000014bd, 0xffb4e200, |
| 1398 | 0x000014c5, 0xffbd0000, 0x000014cd, 0xffbd2000, |
| 1399 | 0x000014d5, 0xffbd4000, 0x000014de, 0xffbd6100, |
| 1400 | 0x000014e6, 0xffbd8100, 0x000014ee, 0xffbda100, |
| 1401 | 0x000014f6, 0xffbdc200, 0x000014ff, 0xffbde200, |
| 1402 | 0x00001800, 0xffc50000, 0x00001808, 0xffc52000, |
| 1403 | 0x00001810, 0xffc54000, 0x00001818, 0xffc56100, |
| 1404 | 0x00001820, 0xffc58100, 0x00001829, 0xffc5a100, |
| 1405 | 0x00001831, 0xffc5c200, 0x00001839, 0xffc5e200, |
| 1406 | 0x00001841, 0xffcd0000, 0x0000184a, 0xffcd2000, |
| 1407 | 0x00001852, 0xffcd4000, 0x0000185a, 0xffcd6100, |
| 1408 | 0x00001862, 0xffcd8100, 0x0000186a, 0xffcda100, |
| 1409 | 0x00001873, 0xffcdc200, 0x0000187b, 0xffcde200, |
| 1410 | 0x00001883, 0xffd50000, 0x0000188b, 0xffd52000, |
| 1411 | 0x00001894, 0xffd54000, 0x0000189c, 0xffd56100, |
| 1412 | 0x000018a4, 0xffd58100, 0x000018ac, 0xffd5a100, |
| 1413 | 0x000018b4, 0xffd5c200, 0x000018bd, 0xffd5e200, |
| 1414 | 0x000018c5, 0xffde0000, 0x000018cd, 0xffde2000, |
| 1415 | 0x000018d5, 0xffde4000, 0x000018de, 0xffde6100, |
| 1416 | 0x000018e6, 0xffde8100, 0x000018ee, 0xffdea100, |
| 1417 | 0x000018f6, 0xffdec200, 0x000018ff, 0xffdee200, |
| 1418 | 0x00001c00, 0xffe60000, 0x00001c08, 0xffe62000, |
| 1419 | 0x00001c10, 0xffe64000, 0x00001c18, 0xffe66100, |
| 1420 | 0x00001c20, 0xffe68100, 0x00001c29, 0xffe6a100, |
| 1421 | 0x00001c31, 0xffe6c200, 0x00001c39, 0xffe6e200, |
| 1422 | 0x00001c41, 0xffee0000, 0x00001c4a, 0xffee2000, |
| 1423 | 0x00001c52, 0xffee4000, 0x00001c5a, 0xffee6100, |
| 1424 | 0x00001c62, 0xffee8100, 0x00001c6a, 0xffeea100, |
| 1425 | 0x00001c73, 0xffeec200, 0x00001c7b, 0xffeee200, |
| 1426 | 0x00001c83, 0xfff60000, 0x00001c8b, 0xfff62000, |
| 1427 | 0x00001c94, 0xfff64000, 0x00001c9c, 0xfff66100, |
| 1428 | 0x00001ca4, 0xfff68100, 0x00001cac, 0xfff6a100, |
| 1429 | 0x00001cb4, 0xfff6c200, 0x00001cbd, 0xfff6e200, |
| 1430 | 0x00001cc5, 0xffff0000, 0x00001ccd, 0xffff2000, |
| 1431 | 0x00001cd5, 0xffff4000, 0x00001cde, 0xffff6100, |
| 1432 | 0x00001ce6, 0xffff8100, 0x00001cee, 0xffffa100, |
| 1433 | 0x00001cf6, 0xffffc200, 0x00001cff, 0xffffe200 |
| 1434 | }; |
| 1435 | static void Blit_RGB565_ARGB8888(SDL_BlitInfo *info) |
| 1436 | { |
| 1437 | Blit_RGB565_32(info, RGB565_ARGB8888_LUT); |
| 1438 | } |
| 1439 | |
| 1440 | /* Special optimized blit for RGB 5-6-5 --> ABGR 8-8-8-8 */ |
| 1441 | static const Uint32 RGB565_ABGR8888_LUT[512] = { |
| 1442 | 0xff000000, 0x00000000, 0xff080000, 0x00002000, |
| 1443 | 0xff100000, 0x00004000, 0xff180000, 0x00006100, |
| 1444 | 0xff200000, 0x00008100, 0xff290000, 0x0000a100, |
| 1445 | 0xff310000, 0x0000c200, 0xff390000, 0x0000e200, |
| 1446 | 0xff410000, 0x00000008, 0xff4a0000, 0x00002008, |
| 1447 | 0xff520000, 0x00004008, 0xff5a0000, 0x00006108, |
| 1448 | 0xff620000, 0x00008108, 0xff6a0000, 0x0000a108, |
| 1449 | 0xff730000, 0x0000c208, 0xff7b0000, 0x0000e208, |
| 1450 | 0xff830000, 0x00000010, 0xff8b0000, 0x00002010, |
| 1451 | 0xff940000, 0x00004010, 0xff9c0000, 0x00006110, |
| 1452 | 0xffa40000, 0x00008110, 0xffac0000, 0x0000a110, |
| 1453 | 0xffb40000, 0x0000c210, 0xffbd0000, 0x0000e210, |
| 1454 | 0xffc50000, 0x00000018, 0xffcd0000, 0x00002018, |
| 1455 | 0xffd50000, 0x00004018, 0xffde0000, 0x00006118, |
| 1456 | 0xffe60000, 0x00008118, 0xffee0000, 0x0000a118, |
| 1457 | 0xfff60000, 0x0000c218, 0xffff0000, 0x0000e218, |
| 1458 | 0xff000400, 0x00000020, 0xff080400, 0x00002020, |
| 1459 | 0xff100400, 0x00004020, 0xff180400, 0x00006120, |
| 1460 | 0xff200400, 0x00008120, 0xff290400, 0x0000a120, |
| 1461 | 0xff310400, 0x0000c220, 0xff390400, 0x0000e220, |
| 1462 | 0xff410400, 0x00000029, 0xff4a0400, 0x00002029, |
| 1463 | 0xff520400, 0x00004029, 0xff5a0400, 0x00006129, |
| 1464 | 0xff620400, 0x00008129, 0xff6a0400, 0x0000a129, |
| 1465 | 0xff730400, 0x0000c229, 0xff7b0400, 0x0000e229, |
| 1466 | 0xff830400, 0x00000031, 0xff8b0400, 0x00002031, |
| 1467 | 0xff940400, 0x00004031, 0xff9c0400, 0x00006131, |
| 1468 | 0xffa40400, 0x00008131, 0xffac0400, 0x0000a131, |
| 1469 | 0xffb40400, 0x0000c231, 0xffbd0400, 0x0000e231, |
| 1470 | 0xffc50400, 0x00000039, 0xffcd0400, 0x00002039, |
| 1471 | 0xffd50400, 0x00004039, 0xffde0400, 0x00006139, |
| 1472 | 0xffe60400, 0x00008139, 0xffee0400, 0x0000a139, |
| 1473 | 0xfff60400, 0x0000c239, 0xffff0400, 0x0000e239, |
| 1474 | 0xff000800, 0x00000041, 0xff080800, 0x00002041, |
| 1475 | 0xff100800, 0x00004041, 0xff180800, 0x00006141, |
| 1476 | 0xff200800, 0x00008141, 0xff290800, 0x0000a141, |
| 1477 | 0xff310800, 0x0000c241, 0xff390800, 0x0000e241, |
| 1478 | 0xff410800, 0x0000004a, 0xff4a0800, 0x0000204a, |
| 1479 | 0xff520800, 0x0000404a, 0xff5a0800, 0x0000614a, |
| 1480 | 0xff620800, 0x0000814a, 0xff6a0800, 0x0000a14a, |
| 1481 | 0xff730800, 0x0000c24a, 0xff7b0800, 0x0000e24a, |
| 1482 | 0xff830800, 0x00000052, 0xff8b0800, 0x00002052, |
| 1483 | 0xff940800, 0x00004052, 0xff9c0800, 0x00006152, |
| 1484 | 0xffa40800, 0x00008152, 0xffac0800, 0x0000a152, |
| 1485 | 0xffb40800, 0x0000c252, 0xffbd0800, 0x0000e252, |
| 1486 | 0xffc50800, 0x0000005a, 0xffcd0800, 0x0000205a, |
| 1487 | 0xffd50800, 0x0000405a, 0xffde0800, 0x0000615a, |
| 1488 | 0xffe60800, 0x0000815a, 0xffee0800, 0x0000a15a, |
| 1489 | 0xfff60800, 0x0000c25a, 0xffff0800, 0x0000e25a, |
| 1490 | 0xff000c00, 0x00000062, 0xff080c00, 0x00002062, |
| 1491 | 0xff100c00, 0x00004062, 0xff180c00, 0x00006162, |
| 1492 | 0xff200c00, 0x00008162, 0xff290c00, 0x0000a162, |
| 1493 | 0xff310c00, 0x0000c262, 0xff390c00, 0x0000e262, |
| 1494 | 0xff410c00, 0x0000006a, 0xff4a0c00, 0x0000206a, |
| 1495 | 0xff520c00, 0x0000406a, 0xff5a0c00, 0x0000616a, |
| 1496 | 0xff620c00, 0x0000816a, 0xff6a0c00, 0x0000a16a, |
| 1497 | 0xff730c00, 0x0000c26a, 0xff7b0c00, 0x0000e26a, |
| 1498 | 0xff830c00, 0x00000073, 0xff8b0c00, 0x00002073, |
| 1499 | 0xff940c00, 0x00004073, 0xff9c0c00, 0x00006173, |
| 1500 | 0xffa40c00, 0x00008173, 0xffac0c00, 0x0000a173, |
| 1501 | 0xffb40c00, 0x0000c273, 0xffbd0c00, 0x0000e273, |
| 1502 | 0xffc50c00, 0x0000007b, 0xffcd0c00, 0x0000207b, |
| 1503 | 0xffd50c00, 0x0000407b, 0xffde0c00, 0x0000617b, |
| 1504 | 0xffe60c00, 0x0000817b, 0xffee0c00, 0x0000a17b, |
| 1505 | 0xfff60c00, 0x0000c27b, 0xffff0c00, 0x0000e27b, |
| 1506 | 0xff001000, 0x00000083, 0xff081000, 0x00002083, |
| 1507 | 0xff101000, 0x00004083, 0xff181000, 0x00006183, |
| 1508 | 0xff201000, 0x00008183, 0xff291000, 0x0000a183, |
| 1509 | 0xff311000, 0x0000c283, 0xff391000, 0x0000e283, |
| 1510 | 0xff411000, 0x0000008b, 0xff4a1000, 0x0000208b, |
| 1511 | 0xff521000, 0x0000408b, 0xff5a1000, 0x0000618b, |
| 1512 | 0xff621000, 0x0000818b, 0xff6a1000, 0x0000a18b, |
| 1513 | 0xff731000, 0x0000c28b, 0xff7b1000, 0x0000e28b, |
| 1514 | 0xff831000, 0x00000094, 0xff8b1000, 0x00002094, |
| 1515 | 0xff941000, 0x00004094, 0xff9c1000, 0x00006194, |
| 1516 | 0xffa41000, 0x00008194, 0xffac1000, 0x0000a194, |
| 1517 | 0xffb41000, 0x0000c294, 0xffbd1000, 0x0000e294, |
| 1518 | 0xffc51000, 0x0000009c, 0xffcd1000, 0x0000209c, |
| 1519 | 0xffd51000, 0x0000409c, 0xffde1000, 0x0000619c, |
| 1520 | 0xffe61000, 0x0000819c, 0xffee1000, 0x0000a19c, |
| 1521 | 0xfff61000, 0x0000c29c, 0xffff1000, 0x0000e29c, |
| 1522 | 0xff001400, 0x000000a4, 0xff081400, 0x000020a4, |
| 1523 | 0xff101400, 0x000040a4, 0xff181400, 0x000061a4, |
| 1524 | 0xff201400, 0x000081a4, 0xff291400, 0x0000a1a4, |
| 1525 | 0xff311400, 0x0000c2a4, 0xff391400, 0x0000e2a4, |
| 1526 | 0xff411400, 0x000000ac, 0xff4a1400, 0x000020ac, |
| 1527 | 0xff521400, 0x000040ac, 0xff5a1400, 0x000061ac, |
| 1528 | 0xff621400, 0x000081ac, 0xff6a1400, 0x0000a1ac, |
| 1529 | 0xff731400, 0x0000c2ac, 0xff7b1400, 0x0000e2ac, |
| 1530 | 0xff831400, 0x000000b4, 0xff8b1400, 0x000020b4, |
| 1531 | 0xff941400, 0x000040b4, 0xff9c1400, 0x000061b4, |
| 1532 | 0xffa41400, 0x000081b4, 0xffac1400, 0x0000a1b4, |
| 1533 | 0xffb41400, 0x0000c2b4, 0xffbd1400, 0x0000e2b4, |
| 1534 | 0xffc51400, 0x000000bd, 0xffcd1400, 0x000020bd, |
| 1535 | 0xffd51400, 0x000040bd, 0xffde1400, 0x000061bd, |
| 1536 | 0xffe61400, 0x000081bd, 0xffee1400, 0x0000a1bd, |
| 1537 | 0xfff61400, 0x0000c2bd, 0xffff1400, 0x0000e2bd, |
| 1538 | 0xff001800, 0x000000c5, 0xff081800, 0x000020c5, |
| 1539 | 0xff101800, 0x000040c5, 0xff181800, 0x000061c5, |
| 1540 | 0xff201800, 0x000081c5, 0xff291800, 0x0000a1c5, |
| 1541 | 0xff311800, 0x0000c2c5, 0xff391800, 0x0000e2c5, |
| 1542 | 0xff411800, 0x000000cd, 0xff4a1800, 0x000020cd, |
| 1543 | 0xff521800, 0x000040cd, 0xff5a1800, 0x000061cd, |
| 1544 | 0xff621800, 0x000081cd, 0xff6a1800, 0x0000a1cd, |
| 1545 | 0xff731800, 0x0000c2cd, 0xff7b1800, 0x0000e2cd, |
| 1546 | 0xff831800, 0x000000d5, 0xff8b1800, 0x000020d5, |
| 1547 | 0xff941800, 0x000040d5, 0xff9c1800, 0x000061d5, |
| 1548 | 0xffa41800, 0x000081d5, 0xffac1800, 0x0000a1d5, |
| 1549 | 0xffb41800, 0x0000c2d5, 0xffbd1800, 0x0000e2d5, |
| 1550 | 0xffc51800, 0x000000de, 0xffcd1800, 0x000020de, |
| 1551 | 0xffd51800, 0x000040de, 0xffde1800, 0x000061de, |
| 1552 | 0xffe61800, 0x000081de, 0xffee1800, 0x0000a1de, |
| 1553 | 0xfff61800, 0x0000c2de, 0xffff1800, 0x0000e2de, |
| 1554 | 0xff001c00, 0x000000e6, 0xff081c00, 0x000020e6, |
| 1555 | 0xff101c00, 0x000040e6, 0xff181c00, 0x000061e6, |
| 1556 | 0xff201c00, 0x000081e6, 0xff291c00, 0x0000a1e6, |
| 1557 | 0xff311c00, 0x0000c2e6, 0xff391c00, 0x0000e2e6, |
| 1558 | 0xff411c00, 0x000000ee, 0xff4a1c00, 0x000020ee, |
| 1559 | 0xff521c00, 0x000040ee, 0xff5a1c00, 0x000061ee, |
| 1560 | 0xff621c00, 0x000081ee, 0xff6a1c00, 0x0000a1ee, |
| 1561 | 0xff731c00, 0x0000c2ee, 0xff7b1c00, 0x0000e2ee, |
| 1562 | 0xff831c00, 0x000000f6, 0xff8b1c00, 0x000020f6, |
| 1563 | 0xff941c00, 0x000040f6, 0xff9c1c00, 0x000061f6, |
| 1564 | 0xffa41c00, 0x000081f6, 0xffac1c00, 0x0000a1f6, |
| 1565 | 0xffb41c00, 0x0000c2f6, 0xffbd1c00, 0x0000e2f6, |
| 1566 | 0xffc51c00, 0x000000ff, 0xffcd1c00, 0x000020ff, |
| 1567 | 0xffd51c00, 0x000040ff, 0xffde1c00, 0x000061ff, |
| 1568 | 0xffe61c00, 0x000081ff, 0xffee1c00, 0x0000a1ff, |
| 1569 | 0xfff61c00, 0x0000c2ff, 0xffff1c00, 0x0000e2ff |
| 1570 | }; |
| 1571 | static void Blit_RGB565_ABGR8888(SDL_BlitInfo *info) |
| 1572 | { |
| 1573 | Blit_RGB565_32(info, RGB565_ABGR8888_LUT); |
| 1574 | } |
| 1575 | |
| 1576 | /* Special optimized blit for RGB 5-6-5 --> RGBA 8-8-8-8 */ |
| 1577 | static const Uint32 RGB565_RGBA8888_LUT[512] = { |
| 1578 | 0x000000ff, 0x00000000, 0x000008ff, 0x00200000, |
| 1579 | 0x000010ff, 0x00400000, 0x000018ff, 0x00610000, |
| 1580 | 0x000020ff, 0x00810000, 0x000029ff, 0x00a10000, |
| 1581 | 0x000031ff, 0x00c20000, 0x000039ff, 0x00e20000, |
| 1582 | 0x000041ff, 0x08000000, 0x00004aff, 0x08200000, |
| 1583 | 0x000052ff, 0x08400000, 0x00005aff, 0x08610000, |
| 1584 | 0x000062ff, 0x08810000, 0x00006aff, 0x08a10000, |
| 1585 | 0x000073ff, 0x08c20000, 0x00007bff, 0x08e20000, |
| 1586 | 0x000083ff, 0x10000000, 0x00008bff, 0x10200000, |
| 1587 | 0x000094ff, 0x10400000, 0x00009cff, 0x10610000, |
| 1588 | 0x0000a4ff, 0x10810000, 0x0000acff, 0x10a10000, |
| 1589 | 0x0000b4ff, 0x10c20000, 0x0000bdff, 0x10e20000, |
| 1590 | 0x0000c5ff, 0x18000000, 0x0000cdff, 0x18200000, |
| 1591 | 0x0000d5ff, 0x18400000, 0x0000deff, 0x18610000, |
| 1592 | 0x0000e6ff, 0x18810000, 0x0000eeff, 0x18a10000, |
| 1593 | 0x0000f6ff, 0x18c20000, 0x0000ffff, 0x18e20000, |
| 1594 | 0x000400ff, 0x20000000, 0x000408ff, 0x20200000, |
| 1595 | 0x000410ff, 0x20400000, 0x000418ff, 0x20610000, |
| 1596 | 0x000420ff, 0x20810000, 0x000429ff, 0x20a10000, |
| 1597 | 0x000431ff, 0x20c20000, 0x000439ff, 0x20e20000, |
| 1598 | 0x000441ff, 0x29000000, 0x00044aff, 0x29200000, |
| 1599 | 0x000452ff, 0x29400000, 0x00045aff, 0x29610000, |
| 1600 | 0x000462ff, 0x29810000, 0x00046aff, 0x29a10000, |
| 1601 | 0x000473ff, 0x29c20000, 0x00047bff, 0x29e20000, |
| 1602 | 0x000483ff, 0x31000000, 0x00048bff, 0x31200000, |
| 1603 | 0x000494ff, 0x31400000, 0x00049cff, 0x31610000, |
| 1604 | 0x0004a4ff, 0x31810000, 0x0004acff, 0x31a10000, |
| 1605 | 0x0004b4ff, 0x31c20000, 0x0004bdff, 0x31e20000, |
| 1606 | 0x0004c5ff, 0x39000000, 0x0004cdff, 0x39200000, |
| 1607 | 0x0004d5ff, 0x39400000, 0x0004deff, 0x39610000, |
| 1608 | 0x0004e6ff, 0x39810000, 0x0004eeff, 0x39a10000, |
| 1609 | 0x0004f6ff, 0x39c20000, 0x0004ffff, 0x39e20000, |
| 1610 | 0x000800ff, 0x41000000, 0x000808ff, 0x41200000, |
| 1611 | 0x000810ff, 0x41400000, 0x000818ff, 0x41610000, |
| 1612 | 0x000820ff, 0x41810000, 0x000829ff, 0x41a10000, |
| 1613 | 0x000831ff, 0x41c20000, 0x000839ff, 0x41e20000, |
| 1614 | 0x000841ff, 0x4a000000, 0x00084aff, 0x4a200000, |
| 1615 | 0x000852ff, 0x4a400000, 0x00085aff, 0x4a610000, |
| 1616 | 0x000862ff, 0x4a810000, 0x00086aff, 0x4aa10000, |
| 1617 | 0x000873ff, 0x4ac20000, 0x00087bff, 0x4ae20000, |
| 1618 | 0x000883ff, 0x52000000, 0x00088bff, 0x52200000, |
| 1619 | 0x000894ff, 0x52400000, 0x00089cff, 0x52610000, |
| 1620 | 0x0008a4ff, 0x52810000, 0x0008acff, 0x52a10000, |
| 1621 | 0x0008b4ff, 0x52c20000, 0x0008bdff, 0x52e20000, |
| 1622 | 0x0008c5ff, 0x5a000000, 0x0008cdff, 0x5a200000, |
| 1623 | 0x0008d5ff, 0x5a400000, 0x0008deff, 0x5a610000, |
| 1624 | 0x0008e6ff, 0x5a810000, 0x0008eeff, 0x5aa10000, |
| 1625 | 0x0008f6ff, 0x5ac20000, 0x0008ffff, 0x5ae20000, |
| 1626 | 0x000c00ff, 0x62000000, 0x000c08ff, 0x62200000, |
| 1627 | 0x000c10ff, 0x62400000, 0x000c18ff, 0x62610000, |
| 1628 | 0x000c20ff, 0x62810000, 0x000c29ff, 0x62a10000, |
| 1629 | 0x000c31ff, 0x62c20000, 0x000c39ff, 0x62e20000, |
| 1630 | 0x000c41ff, 0x6a000000, 0x000c4aff, 0x6a200000, |
| 1631 | 0x000c52ff, 0x6a400000, 0x000c5aff, 0x6a610000, |
| 1632 | 0x000c62ff, 0x6a810000, 0x000c6aff, 0x6aa10000, |
| 1633 | 0x000c73ff, 0x6ac20000, 0x000c7bff, 0x6ae20000, |
| 1634 | 0x000c83ff, 0x73000000, 0x000c8bff, 0x73200000, |
| 1635 | 0x000c94ff, 0x73400000, 0x000c9cff, 0x73610000, |
| 1636 | 0x000ca4ff, 0x73810000, 0x000cacff, 0x73a10000, |
| 1637 | 0x000cb4ff, 0x73c20000, 0x000cbdff, 0x73e20000, |
| 1638 | 0x000cc5ff, 0x7b000000, 0x000ccdff, 0x7b200000, |
| 1639 | 0x000cd5ff, 0x7b400000, 0x000cdeff, 0x7b610000, |
| 1640 | 0x000ce6ff, 0x7b810000, 0x000ceeff, 0x7ba10000, |
| 1641 | 0x000cf6ff, 0x7bc20000, 0x000cffff, 0x7be20000, |
| 1642 | 0x001000ff, 0x83000000, 0x001008ff, 0x83200000, |
| 1643 | 0x001010ff, 0x83400000, 0x001018ff, 0x83610000, |
| 1644 | 0x001020ff, 0x83810000, 0x001029ff, 0x83a10000, |
| 1645 | 0x001031ff, 0x83c20000, 0x001039ff, 0x83e20000, |
| 1646 | 0x001041ff, 0x8b000000, 0x00104aff, 0x8b200000, |
| 1647 | 0x001052ff, 0x8b400000, 0x00105aff, 0x8b610000, |
| 1648 | 0x001062ff, 0x8b810000, 0x00106aff, 0x8ba10000, |
| 1649 | 0x001073ff, 0x8bc20000, 0x00107bff, 0x8be20000, |
| 1650 | 0x001083ff, 0x94000000, 0x00108bff, 0x94200000, |
| 1651 | 0x001094ff, 0x94400000, 0x00109cff, 0x94610000, |
| 1652 | 0x0010a4ff, 0x94810000, 0x0010acff, 0x94a10000, |
| 1653 | 0x0010b4ff, 0x94c20000, 0x0010bdff, 0x94e20000, |
| 1654 | 0x0010c5ff, 0x9c000000, 0x0010cdff, 0x9c200000, |
| 1655 | 0x0010d5ff, 0x9c400000, 0x0010deff, 0x9c610000, |
| 1656 | 0x0010e6ff, 0x9c810000, 0x0010eeff, 0x9ca10000, |
| 1657 | 0x0010f6ff, 0x9cc20000, 0x0010ffff, 0x9ce20000, |
| 1658 | 0x001400ff, 0xa4000000, 0x001408ff, 0xa4200000, |
| 1659 | 0x001410ff, 0xa4400000, 0x001418ff, 0xa4610000, |
| 1660 | 0x001420ff, 0xa4810000, 0x001429ff, 0xa4a10000, |
| 1661 | 0x001431ff, 0xa4c20000, 0x001439ff, 0xa4e20000, |
| 1662 | 0x001441ff, 0xac000000, 0x00144aff, 0xac200000, |
| 1663 | 0x001452ff, 0xac400000, 0x00145aff, 0xac610000, |
| 1664 | 0x001462ff, 0xac810000, 0x00146aff, 0xaca10000, |
| 1665 | 0x001473ff, 0xacc20000, 0x00147bff, 0xace20000, |
| 1666 | 0x001483ff, 0xb4000000, 0x00148bff, 0xb4200000, |
| 1667 | 0x001494ff, 0xb4400000, 0x00149cff, 0xb4610000, |
| 1668 | 0x0014a4ff, 0xb4810000, 0x0014acff, 0xb4a10000, |
| 1669 | 0x0014b4ff, 0xb4c20000, 0x0014bdff, 0xb4e20000, |
| 1670 | 0x0014c5ff, 0xbd000000, 0x0014cdff, 0xbd200000, |
| 1671 | 0x0014d5ff, 0xbd400000, 0x0014deff, 0xbd610000, |
| 1672 | 0x0014e6ff, 0xbd810000, 0x0014eeff, 0xbda10000, |
| 1673 | 0x0014f6ff, 0xbdc20000, 0x0014ffff, 0xbde20000, |
| 1674 | 0x001800ff, 0xc5000000, 0x001808ff, 0xc5200000, |
| 1675 | 0x001810ff, 0xc5400000, 0x001818ff, 0xc5610000, |
| 1676 | 0x001820ff, 0xc5810000, 0x001829ff, 0xc5a10000, |
| 1677 | 0x001831ff, 0xc5c20000, 0x001839ff, 0xc5e20000, |
| 1678 | 0x001841ff, 0xcd000000, 0x00184aff, 0xcd200000, |
| 1679 | 0x001852ff, 0xcd400000, 0x00185aff, 0xcd610000, |
| 1680 | 0x001862ff, 0xcd810000, 0x00186aff, 0xcda10000, |
| 1681 | 0x001873ff, 0xcdc20000, 0x00187bff, 0xcde20000, |
| 1682 | 0x001883ff, 0xd5000000, 0x00188bff, 0xd5200000, |
| 1683 | 0x001894ff, 0xd5400000, 0x00189cff, 0xd5610000, |
| 1684 | 0x0018a4ff, 0xd5810000, 0x0018acff, 0xd5a10000, |
| 1685 | 0x0018b4ff, 0xd5c20000, 0x0018bdff, 0xd5e20000, |
| 1686 | 0x0018c5ff, 0xde000000, 0x0018cdff, 0xde200000, |
| 1687 | 0x0018d5ff, 0xde400000, 0x0018deff, 0xde610000, |
| 1688 | 0x0018e6ff, 0xde810000, 0x0018eeff, 0xdea10000, |
| 1689 | 0x0018f6ff, 0xdec20000, 0x0018ffff, 0xdee20000, |
| 1690 | 0x001c00ff, 0xe6000000, 0x001c08ff, 0xe6200000, |
| 1691 | 0x001c10ff, 0xe6400000, 0x001c18ff, 0xe6610000, |
| 1692 | 0x001c20ff, 0xe6810000, 0x001c29ff, 0xe6a10000, |
| 1693 | 0x001c31ff, 0xe6c20000, 0x001c39ff, 0xe6e20000, |
| 1694 | 0x001c41ff, 0xee000000, 0x001c4aff, 0xee200000, |
| 1695 | 0x001c52ff, 0xee400000, 0x001c5aff, 0xee610000, |
| 1696 | 0x001c62ff, 0xee810000, 0x001c6aff, 0xeea10000, |
| 1697 | 0x001c73ff, 0xeec20000, 0x001c7bff, 0xeee20000, |
| 1698 | 0x001c83ff, 0xf6000000, 0x001c8bff, 0xf6200000, |
| 1699 | 0x001c94ff, 0xf6400000, 0x001c9cff, 0xf6610000, |
| 1700 | 0x001ca4ff, 0xf6810000, 0x001cacff, 0xf6a10000, |
| 1701 | 0x001cb4ff, 0xf6c20000, 0x001cbdff, 0xf6e20000, |
| 1702 | 0x001cc5ff, 0xff000000, 0x001ccdff, 0xff200000, |
| 1703 | 0x001cd5ff, 0xff400000, 0x001cdeff, 0xff610000, |
| 1704 | 0x001ce6ff, 0xff810000, 0x001ceeff, 0xffa10000, |
| 1705 | 0x001cf6ff, 0xffc20000, 0x001cffff, 0xffe20000, |
| 1706 | }; |
| 1707 | static void Blit_RGB565_RGBA8888(SDL_BlitInfo *info) |
| 1708 | { |
| 1709 | Blit_RGB565_32(info, RGB565_RGBA8888_LUT); |
| 1710 | } |
| 1711 | |
| 1712 | /* Special optimized blit for RGB 5-6-5 --> BGRA 8-8-8-8 */ |
| 1713 | static const Uint32 RGB565_BGRA8888_LUT[512] = { |
| 1714 | 0x00000000, 0x000000ff, 0x08000000, 0x002000ff, |
| 1715 | 0x10000000, 0x004000ff, 0x18000000, 0x006100ff, |
| 1716 | 0x20000000, 0x008100ff, 0x29000000, 0x00a100ff, |
| 1717 | 0x31000000, 0x00c200ff, 0x39000000, 0x00e200ff, |
| 1718 | 0x41000000, 0x000008ff, 0x4a000000, 0x002008ff, |
| 1719 | 0x52000000, 0x004008ff, 0x5a000000, 0x006108ff, |
| 1720 | 0x62000000, 0x008108ff, 0x6a000000, 0x00a108ff, |
| 1721 | 0x73000000, 0x00c208ff, 0x7b000000, 0x00e208ff, |
| 1722 | 0x83000000, 0x000010ff, 0x8b000000, 0x002010ff, |
| 1723 | 0x94000000, 0x004010ff, 0x9c000000, 0x006110ff, |
| 1724 | 0xa4000000, 0x008110ff, 0xac000000, 0x00a110ff, |
| 1725 | 0xb4000000, 0x00c210ff, 0xbd000000, 0x00e210ff, |
| 1726 | 0xc5000000, 0x000018ff, 0xcd000000, 0x002018ff, |
| 1727 | 0xd5000000, 0x004018ff, 0xde000000, 0x006118ff, |
| 1728 | 0xe6000000, 0x008118ff, 0xee000000, 0x00a118ff, |
| 1729 | 0xf6000000, 0x00c218ff, 0xff000000, 0x00e218ff, |
| 1730 | 0x00040000, 0x000020ff, 0x08040000, 0x002020ff, |
| 1731 | 0x10040000, 0x004020ff, 0x18040000, 0x006120ff, |
| 1732 | 0x20040000, 0x008120ff, 0x29040000, 0x00a120ff, |
| 1733 | 0x31040000, 0x00c220ff, 0x39040000, 0x00e220ff, |
| 1734 | 0x41040000, 0x000029ff, 0x4a040000, 0x002029ff, |
| 1735 | 0x52040000, 0x004029ff, 0x5a040000, 0x006129ff, |
| 1736 | 0x62040000, 0x008129ff, 0x6a040000, 0x00a129ff, |
| 1737 | 0x73040000, 0x00c229ff, 0x7b040000, 0x00e229ff, |
| 1738 | 0x83040000, 0x000031ff, 0x8b040000, 0x002031ff, |
| 1739 | 0x94040000, 0x004031ff, 0x9c040000, 0x006131ff, |
| 1740 | 0xa4040000, 0x008131ff, 0xac040000, 0x00a131ff, |
| 1741 | 0xb4040000, 0x00c231ff, 0xbd040000, 0x00e231ff, |
| 1742 | 0xc5040000, 0x000039ff, 0xcd040000, 0x002039ff, |
| 1743 | 0xd5040000, 0x004039ff, 0xde040000, 0x006139ff, |
| 1744 | 0xe6040000, 0x008139ff, 0xee040000, 0x00a139ff, |
| 1745 | 0xf6040000, 0x00c239ff, 0xff040000, 0x00e239ff, |
| 1746 | 0x00080000, 0x000041ff, 0x08080000, 0x002041ff, |
| 1747 | 0x10080000, 0x004041ff, 0x18080000, 0x006141ff, |
| 1748 | 0x20080000, 0x008141ff, 0x29080000, 0x00a141ff, |
| 1749 | 0x31080000, 0x00c241ff, 0x39080000, 0x00e241ff, |
| 1750 | 0x41080000, 0x00004aff, 0x4a080000, 0x00204aff, |
| 1751 | 0x52080000, 0x00404aff, 0x5a080000, 0x00614aff, |
| 1752 | 0x62080000, 0x00814aff, 0x6a080000, 0x00a14aff, |
| 1753 | 0x73080000, 0x00c24aff, 0x7b080000, 0x00e24aff, |
| 1754 | 0x83080000, 0x000052ff, 0x8b080000, 0x002052ff, |
| 1755 | 0x94080000, 0x004052ff, 0x9c080000, 0x006152ff, |
| 1756 | 0xa4080000, 0x008152ff, 0xac080000, 0x00a152ff, |
| 1757 | 0xb4080000, 0x00c252ff, 0xbd080000, 0x00e252ff, |
| 1758 | 0xc5080000, 0x00005aff, 0xcd080000, 0x00205aff, |
| 1759 | 0xd5080000, 0x00405aff, 0xde080000, 0x00615aff, |
| 1760 | 0xe6080000, 0x00815aff, 0xee080000, 0x00a15aff, |
| 1761 | 0xf6080000, 0x00c25aff, 0xff080000, 0x00e25aff, |
| 1762 | 0x000c0000, 0x000062ff, 0x080c0000, 0x002062ff, |
| 1763 | 0x100c0000, 0x004062ff, 0x180c0000, 0x006162ff, |
| 1764 | 0x200c0000, 0x008162ff, 0x290c0000, 0x00a162ff, |
| 1765 | 0x310c0000, 0x00c262ff, 0x390c0000, 0x00e262ff, |
| 1766 | 0x410c0000, 0x00006aff, 0x4a0c0000, 0x00206aff, |
| 1767 | 0x520c0000, 0x00406aff, 0x5a0c0000, 0x00616aff, |
| 1768 | 0x620c0000, 0x00816aff, 0x6a0c0000, 0x00a16aff, |
| 1769 | 0x730c0000, 0x00c26aff, 0x7b0c0000, 0x00e26aff, |
| 1770 | 0x830c0000, 0x000073ff, 0x8b0c0000, 0x002073ff, |
| 1771 | 0x940c0000, 0x004073ff, 0x9c0c0000, 0x006173ff, |
| 1772 | 0xa40c0000, 0x008173ff, 0xac0c0000, 0x00a173ff, |
| 1773 | 0xb40c0000, 0x00c273ff, 0xbd0c0000, 0x00e273ff, |
| 1774 | 0xc50c0000, 0x00007bff, 0xcd0c0000, 0x00207bff, |
| 1775 | 0xd50c0000, 0x00407bff, 0xde0c0000, 0x00617bff, |
| 1776 | 0xe60c0000, 0x00817bff, 0xee0c0000, 0x00a17bff, |
| 1777 | 0xf60c0000, 0x00c27bff, 0xff0c0000, 0x00e27bff, |
| 1778 | 0x00100000, 0x000083ff, 0x08100000, 0x002083ff, |
| 1779 | 0x10100000, 0x004083ff, 0x18100000, 0x006183ff, |
| 1780 | 0x20100000, 0x008183ff, 0x29100000, 0x00a183ff, |
| 1781 | 0x31100000, 0x00c283ff, 0x39100000, 0x00e283ff, |
| 1782 | 0x41100000, 0x00008bff, 0x4a100000, 0x00208bff, |
| 1783 | 0x52100000, 0x00408bff, 0x5a100000, 0x00618bff, |
| 1784 | 0x62100000, 0x00818bff, 0x6a100000, 0x00a18bff, |
| 1785 | 0x73100000, 0x00c28bff, 0x7b100000, 0x00e28bff, |
| 1786 | 0x83100000, 0x000094ff, 0x8b100000, 0x002094ff, |
| 1787 | 0x94100000, 0x004094ff, 0x9c100000, 0x006194ff, |
| 1788 | 0xa4100000, 0x008194ff, 0xac100000, 0x00a194ff, |
| 1789 | 0xb4100000, 0x00c294ff, 0xbd100000, 0x00e294ff, |
| 1790 | 0xc5100000, 0x00009cff, 0xcd100000, 0x00209cff, |
| 1791 | 0xd5100000, 0x00409cff, 0xde100000, 0x00619cff, |
| 1792 | 0xe6100000, 0x00819cff, 0xee100000, 0x00a19cff, |
| 1793 | 0xf6100000, 0x00c29cff, 0xff100000, 0x00e29cff, |
| 1794 | 0x00140000, 0x0000a4ff, 0x08140000, 0x0020a4ff, |
| 1795 | 0x10140000, 0x0040a4ff, 0x18140000, 0x0061a4ff, |
| 1796 | 0x20140000, 0x0081a4ff, 0x29140000, 0x00a1a4ff, |
| 1797 | 0x31140000, 0x00c2a4ff, 0x39140000, 0x00e2a4ff, |
| 1798 | 0x41140000, 0x0000acff, 0x4a140000, 0x0020acff, |
| 1799 | 0x52140000, 0x0040acff, 0x5a140000, 0x0061acff, |
| 1800 | 0x62140000, 0x0081acff, 0x6a140000, 0x00a1acff, |
| 1801 | 0x73140000, 0x00c2acff, 0x7b140000, 0x00e2acff, |
| 1802 | 0x83140000, 0x0000b4ff, 0x8b140000, 0x0020b4ff, |
| 1803 | 0x94140000, 0x0040b4ff, 0x9c140000, 0x0061b4ff, |
| 1804 | 0xa4140000, 0x0081b4ff, 0xac140000, 0x00a1b4ff, |
| 1805 | 0xb4140000, 0x00c2b4ff, 0xbd140000, 0x00e2b4ff, |
| 1806 | 0xc5140000, 0x0000bdff, 0xcd140000, 0x0020bdff, |
| 1807 | 0xd5140000, 0x0040bdff, 0xde140000, 0x0061bdff, |
| 1808 | 0xe6140000, 0x0081bdff, 0xee140000, 0x00a1bdff, |
| 1809 | 0xf6140000, 0x00c2bdff, 0xff140000, 0x00e2bdff, |
| 1810 | 0x00180000, 0x0000c5ff, 0x08180000, 0x0020c5ff, |
| 1811 | 0x10180000, 0x0040c5ff, 0x18180000, 0x0061c5ff, |
| 1812 | 0x20180000, 0x0081c5ff, 0x29180000, 0x00a1c5ff, |
| 1813 | 0x31180000, 0x00c2c5ff, 0x39180000, 0x00e2c5ff, |
| 1814 | 0x41180000, 0x0000cdff, 0x4a180000, 0x0020cdff, |
| 1815 | 0x52180000, 0x0040cdff, 0x5a180000, 0x0061cdff, |
| 1816 | 0x62180000, 0x0081cdff, 0x6a180000, 0x00a1cdff, |
| 1817 | 0x73180000, 0x00c2cdff, 0x7b180000, 0x00e2cdff, |
| 1818 | 0x83180000, 0x0000d5ff, 0x8b180000, 0x0020d5ff, |
| 1819 | 0x94180000, 0x0040d5ff, 0x9c180000, 0x0061d5ff, |
| 1820 | 0xa4180000, 0x0081d5ff, 0xac180000, 0x00a1d5ff, |
| 1821 | 0xb4180000, 0x00c2d5ff, 0xbd180000, 0x00e2d5ff, |
| 1822 | 0xc5180000, 0x0000deff, 0xcd180000, 0x0020deff, |
| 1823 | 0xd5180000, 0x0040deff, 0xde180000, 0x0061deff, |
| 1824 | 0xe6180000, 0x0081deff, 0xee180000, 0x00a1deff, |
| 1825 | 0xf6180000, 0x00c2deff, 0xff180000, 0x00e2deff, |
| 1826 | 0x001c0000, 0x0000e6ff, 0x081c0000, 0x0020e6ff, |
| 1827 | 0x101c0000, 0x0040e6ff, 0x181c0000, 0x0061e6ff, |
| 1828 | 0x201c0000, 0x0081e6ff, 0x291c0000, 0x00a1e6ff, |
| 1829 | 0x311c0000, 0x00c2e6ff, 0x391c0000, 0x00e2e6ff, |
| 1830 | 0x411c0000, 0x0000eeff, 0x4a1c0000, 0x0020eeff, |
| 1831 | 0x521c0000, 0x0040eeff, 0x5a1c0000, 0x0061eeff, |
| 1832 | 0x621c0000, 0x0081eeff, 0x6a1c0000, 0x00a1eeff, |
| 1833 | 0x731c0000, 0x00c2eeff, 0x7b1c0000, 0x00e2eeff, |
| 1834 | 0x831c0000, 0x0000f6ff, 0x8b1c0000, 0x0020f6ff, |
| 1835 | 0x941c0000, 0x0040f6ff, 0x9c1c0000, 0x0061f6ff, |
| 1836 | 0xa41c0000, 0x0081f6ff, 0xac1c0000, 0x00a1f6ff, |
| 1837 | 0xb41c0000, 0x00c2f6ff, 0xbd1c0000, 0x00e2f6ff, |
| 1838 | 0xc51c0000, 0x0000ffff, 0xcd1c0000, 0x0020ffff, |
| 1839 | 0xd51c0000, 0x0040ffff, 0xde1c0000, 0x0061ffff, |
| 1840 | 0xe61c0000, 0x0081ffff, 0xee1c0000, 0x00a1ffff, |
| 1841 | 0xf61c0000, 0x00c2ffff, 0xff1c0000, 0x00e2ffff |
| 1842 | }; |
| 1843 | static void Blit_RGB565_BGRA8888(SDL_BlitInfo *info) |
| 1844 | { |
| 1845 | Blit_RGB565_32(info, RGB565_BGRA8888_LUT); |
| 1846 | } |
| 1847 | |
| 1848 | /* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */ |
| 1849 | #ifndef RGB888_RGB332 |
| 1850 | #define RGB888_RGB332(dst, src) { \ |
| 1851 | dst = (((src)&0x00E00000)>>16)| \ |
| 1852 | (((src)&0x0000E000)>>11)| \ |
| 1853 | (((src)&0x000000C0)>>6); \ |
| 1854 | } |
| 1855 | #endif |
| 1856 | static void Blit_RGB888_index8_map(SDL_BlitInfo *info) |
| 1857 | { |
| 1858 | #ifndef USE_DUFFS_LOOP |
| 1859 | int c; |
| 1860 | #endif |
| 1861 | int Pixel; |
| 1862 | int width, height; |
| 1863 | Uint32 *src; |
| 1864 | const Uint8 *map; |
| 1865 | Uint8 *dst; |
| 1866 | int srcskip, dstskip; |
| 1867 | |
| 1868 | /* Set up some basic variables */ |
| 1869 | width = info->d_width; |
| 1870 | height = info->d_height; |
| 1871 | src = (Uint32 *)info->s_pixels; |
| 1872 | srcskip = info->s_skip/4; |
| 1873 | dst = info->d_pixels; |
| 1874 | dstskip = info->d_skip; |
| 1875 | map = info->table; |
| 1876 | |
| 1877 | #ifdef USE_DUFFS_LOOP |
| 1878 | while ( height-- ) { |
| 1879 | DUFFS_LOOP( |
| 1880 | RGB888_RGB332(Pixel, *src); |
| 1881 | *dst++ = map[Pixel]; |
| 1882 | ++src; |
| 1883 | , width); |
| 1884 | src += srcskip; |
| 1885 | dst += dstskip; |
| 1886 | } |
| 1887 | #else |
| 1888 | while ( height-- ) { |
| 1889 | for ( c=width/4; c; --c ) { |
| 1890 | /* Pack RGB into 8bit pixel */ |
| 1891 | RGB888_RGB332(Pixel, *src); |
| 1892 | *dst++ = map[Pixel]; |
| 1893 | ++src; |
| 1894 | RGB888_RGB332(Pixel, *src); |
| 1895 | *dst++ = map[Pixel]; |
| 1896 | ++src; |
| 1897 | RGB888_RGB332(Pixel, *src); |
| 1898 | *dst++ = map[Pixel]; |
| 1899 | ++src; |
| 1900 | RGB888_RGB332(Pixel, *src); |
| 1901 | *dst++ = map[Pixel]; |
| 1902 | ++src; |
| 1903 | } |
| 1904 | switch ( width & 3 ) { |
| 1905 | case 3: |
| 1906 | RGB888_RGB332(Pixel, *src); |
| 1907 | *dst++ = map[Pixel]; |
| 1908 | ++src; |
| 1909 | case 2: |
| 1910 | RGB888_RGB332(Pixel, *src); |
| 1911 | *dst++ = map[Pixel]; |
| 1912 | ++src; |
| 1913 | case 1: |
| 1914 | RGB888_RGB332(Pixel, *src); |
| 1915 | *dst++ = map[Pixel]; |
| 1916 | ++src; |
| 1917 | } |
| 1918 | src += srcskip; |
| 1919 | dst += dstskip; |
| 1920 | } |
| 1921 | #endif /* USE_DUFFS_LOOP */ |
| 1922 | } |
| 1923 | static void BlitNto1(SDL_BlitInfo *info) |
| 1924 | { |
| 1925 | #ifndef USE_DUFFS_LOOP |
| 1926 | int c; |
| 1927 | #endif |
| 1928 | int width, height; |
| 1929 | Uint8 *src; |
| 1930 | const Uint8 *map; |
| 1931 | Uint8 *dst; |
| 1932 | int srcskip, dstskip; |
| 1933 | int srcbpp; |
| 1934 | Uint32 Pixel; |
| 1935 | int sR, sG, sB; |
| 1936 | SDL_PixelFormat *srcfmt; |
| 1937 | |
| 1938 | /* Set up some basic variables */ |
| 1939 | width = info->d_width; |
| 1940 | height = info->d_height; |
| 1941 | src = info->s_pixels; |
| 1942 | srcskip = info->s_skip; |
| 1943 | dst = info->d_pixels; |
| 1944 | dstskip = info->d_skip; |
| 1945 | map = info->table; |
| 1946 | srcfmt = info->src; |
| 1947 | srcbpp = srcfmt->BytesPerPixel; |
| 1948 | |
| 1949 | if ( map == NULL ) { |
| 1950 | while ( height-- ) { |
| 1951 | #ifdef USE_DUFFS_LOOP |
| 1952 | DUFFS_LOOP( |
| 1953 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, |
| 1954 | sR, sG, sB); |
| 1955 | if ( 1 ) { |
| 1956 | /* Pack RGB into 8bit pixel */ |
| 1957 | *dst = ((sR>>5)<<(3+2))| |
| 1958 | ((sG>>5)<<(2)) | |
| 1959 | ((sB>>6)<<(0)) ; |
| 1960 | } |
| 1961 | dst++; |
| 1962 | src += srcbpp; |
| 1963 | , width); |
| 1964 | #else |
| 1965 | for ( c=width; c; --c ) { |
| 1966 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, |
| 1967 | sR, sG, sB); |
| 1968 | if ( 1 ) { |
| 1969 | /* Pack RGB into 8bit pixel */ |
| 1970 | *dst = ((sR>>5)<<(3+2))| |
| 1971 | ((sG>>5)<<(2)) | |
| 1972 | ((sB>>6)<<(0)) ; |
| 1973 | } |
| 1974 | dst++; |
| 1975 | src += srcbpp; |
| 1976 | } |
| 1977 | #endif |
| 1978 | src += srcskip; |
| 1979 | dst += dstskip; |
| 1980 | } |
| 1981 | } else { |
| 1982 | while ( height-- ) { |
| 1983 | #ifdef USE_DUFFS_LOOP |
| 1984 | DUFFS_LOOP( |
| 1985 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, |
| 1986 | sR, sG, sB); |
| 1987 | if ( 1 ) { |
| 1988 | /* Pack RGB into 8bit pixel */ |
| 1989 | *dst = map[((sR>>5)<<(3+2))| |
| 1990 | ((sG>>5)<<(2)) | |
| 1991 | ((sB>>6)<<(0)) ]; |
| 1992 | } |
| 1993 | dst++; |
| 1994 | src += srcbpp; |
| 1995 | , width); |
| 1996 | #else |
| 1997 | for ( c=width; c; --c ) { |
| 1998 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, |
| 1999 | sR, sG, sB); |
| 2000 | if ( 1 ) { |
| 2001 | /* Pack RGB into 8bit pixel */ |
| 2002 | *dst = map[((sR>>5)<<(3+2))| |
| 2003 | ((sG>>5)<<(2)) | |
| 2004 | ((sB>>6)<<(0)) ]; |
| 2005 | } |
| 2006 | dst++; |
| 2007 | src += srcbpp; |
| 2008 | } |
| 2009 | #endif /* USE_DUFFS_LOOP */ |
| 2010 | src += srcskip; |
| 2011 | dst += dstskip; |
| 2012 | } |
| 2013 | } |
| 2014 | } |
| 2015 | |
| 2016 | /* blits 32 bit RGB<->RGBA with both surfaces having the same R,G,B fields */ |
| 2017 | static void Blit4to4MaskAlpha(SDL_BlitInfo *info) |
| 2018 | { |
| 2019 | int width = info->d_width; |
| 2020 | int height = info->d_height; |
| 2021 | Uint32 *src = (Uint32 *)info->s_pixels; |
| 2022 | int srcskip = info->s_skip; |
| 2023 | Uint32 *dst = (Uint32 *)info->d_pixels; |
| 2024 | int dstskip = info->d_skip; |
| 2025 | SDL_PixelFormat *srcfmt = info->src; |
| 2026 | SDL_PixelFormat *dstfmt = info->dst; |
| 2027 | |
| 2028 | if (dstfmt->Amask) { |
| 2029 | /* RGB->RGBA, SET_ALPHA */ |
| 2030 | Uint32 mask = (srcfmt->alpha >> dstfmt->Aloss) << dstfmt->Ashift; |
| 2031 | |
| 2032 | while ( height-- ) { |
| 2033 | DUFFS_LOOP( |
| 2034 | { |
| 2035 | *dst = *src | mask; |
| 2036 | ++dst; |
| 2037 | ++src; |
| 2038 | }, |
| 2039 | width); |
| 2040 | src = (Uint32*)((Uint8*)src + srcskip); |
| 2041 | dst = (Uint32*)((Uint8*)dst + dstskip); |
| 2042 | } |
| 2043 | } else { |
| 2044 | /* RGBA->RGB, NO_ALPHA */ |
| 2045 | Uint32 mask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; |
| 2046 | |
| 2047 | while ( height-- ) { |
| 2048 | DUFFS_LOOP( |
| 2049 | { |
| 2050 | *dst = *src & mask; |
| 2051 | ++dst; |
| 2052 | ++src; |
| 2053 | }, |
| 2054 | width); |
| 2055 | src = (Uint32*)((Uint8*)src + srcskip); |
| 2056 | dst = (Uint32*)((Uint8*)dst + dstskip); |
| 2057 | } |
| 2058 | } |
| 2059 | } |
| 2060 | |
| 2061 | static void BlitNtoN(SDL_BlitInfo *info) |
| 2062 | { |
| 2063 | int width = info->d_width; |
| 2064 | int height = info->d_height; |
| 2065 | Uint8 *src = info->s_pixels; |
| 2066 | int srcskip = info->s_skip; |
| 2067 | Uint8 *dst = info->d_pixels; |
| 2068 | int dstskip = info->d_skip; |
| 2069 | SDL_PixelFormat *srcfmt = info->src; |
| 2070 | int srcbpp = srcfmt->BytesPerPixel; |
| 2071 | SDL_PixelFormat *dstfmt = info->dst; |
| 2072 | int dstbpp = dstfmt->BytesPerPixel; |
| 2073 | unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0; |
| 2074 | |
| 2075 | while ( height-- ) { |
| 2076 | DUFFS_LOOP( |
| 2077 | { |
| 2078 | Uint32 Pixel; |
| 2079 | unsigned sR; |
| 2080 | unsigned sG; |
| 2081 | unsigned sB; |
| 2082 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
| 2083 | ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, alpha); |
| 2084 | dst += dstbpp; |
| 2085 | src += srcbpp; |
| 2086 | }, |
| 2087 | width); |
| 2088 | src += srcskip; |
| 2089 | dst += dstskip; |
| 2090 | } |
| 2091 | } |
| 2092 | |
| 2093 | static void BlitNtoNCopyAlpha(SDL_BlitInfo *info) |
| 2094 | { |
| 2095 | int width = info->d_width; |
| 2096 | int height = info->d_height; |
| 2097 | Uint8 *src = info->s_pixels; |
| 2098 | int srcskip = info->s_skip; |
| 2099 | Uint8 *dst = info->d_pixels; |
| 2100 | int dstskip = info->d_skip; |
| 2101 | SDL_PixelFormat *srcfmt = info->src; |
| 2102 | int srcbpp = srcfmt->BytesPerPixel; |
| 2103 | SDL_PixelFormat *dstfmt = info->dst; |
| 2104 | int dstbpp = dstfmt->BytesPerPixel; |
| 2105 | int c; |
| 2106 | |
| 2107 | /* FIXME: should map alpha to [0..255] correctly! */ |
| 2108 | while ( height-- ) { |
| 2109 | for ( c=width; c; --c ) { |
| 2110 | Uint32 Pixel; |
| 2111 | unsigned sR, sG, sB, sA; |
| 2112 | DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, |
| 2113 | sR, sG, sB, sA); |
| 2114 | ASSEMBLE_RGBA(dst, dstbpp, dstfmt, |
| 2115 | sR, sG, sB, sA); |
| 2116 | dst += dstbpp; |
| 2117 | src += srcbpp; |
| 2118 | } |
| 2119 | src += srcskip; |
| 2120 | dst += dstskip; |
| 2121 | } |
| 2122 | } |
| 2123 | |
| 2124 | static void BlitNto1Key(SDL_BlitInfo *info) |
| 2125 | { |
| 2126 | int width = info->d_width; |
| 2127 | int height = info->d_height; |
| 2128 | Uint8 *src = info->s_pixels; |
| 2129 | int srcskip = info->s_skip; |
| 2130 | Uint8 *dst = info->d_pixels; |
| 2131 | int dstskip = info->d_skip; |
| 2132 | SDL_PixelFormat *srcfmt = info->src; |
| 2133 | const Uint8 *palmap = info->table; |
| 2134 | Uint32 ckey = srcfmt->colorkey; |
| 2135 | Uint32 rgbmask = ~srcfmt->Amask; |
| 2136 | int srcbpp; |
| 2137 | Uint32 Pixel; |
| 2138 | unsigned sR, sG, sB; |
| 2139 | |
| 2140 | /* Set up some basic variables */ |
| 2141 | srcbpp = srcfmt->BytesPerPixel; |
| 2142 | ckey &= rgbmask; |
| 2143 | |
| 2144 | if ( palmap == NULL ) { |
| 2145 | while ( height-- ) { |
| 2146 | DUFFS_LOOP( |
| 2147 | { |
| 2148 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, |
| 2149 | sR, sG, sB); |
| 2150 | if ( (Pixel & rgbmask) != ckey ) { |
| 2151 | /* Pack RGB into 8bit pixel */ |
| 2152 | *dst = (Uint8)(((sR>>5)<<(3+2))| |
| 2153 | ((sG>>5)<<(2)) | |
| 2154 | ((sB>>6)<<(0))); |
| 2155 | } |
| 2156 | dst++; |
| 2157 | src += srcbpp; |
| 2158 | }, |
| 2159 | width); |
| 2160 | src += srcskip; |
| 2161 | dst += dstskip; |
| 2162 | } |
| 2163 | } else { |
| 2164 | while ( height-- ) { |
| 2165 | DUFFS_LOOP( |
| 2166 | { |
| 2167 | DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, |
| 2168 | sR, sG, sB); |
| 2169 | if ( (Pixel & rgbmask) != ckey ) { |
| 2170 | /* Pack RGB into 8bit pixel */ |
| 2171 | *dst = (Uint8)palmap[((sR>>5)<<(3+2))| |
| 2172 | ((sG>>5)<<(2)) | |
| 2173 | ((sB>>6)<<(0)) ]; |
| 2174 | } |
| 2175 | dst++; |
| 2176 | src += srcbpp; |
| 2177 | }, |
| 2178 | width); |
| 2179 | src += srcskip; |
| 2180 | dst += dstskip; |
| 2181 | } |
| 2182 | } |
| 2183 | } |
| 2184 | |
| 2185 | static void Blit2to2Key(SDL_BlitInfo *info) |
| 2186 | { |
| 2187 | int width = info->d_width; |
| 2188 | int height = info->d_height; |
| 2189 | Uint16 *srcp = (Uint16 *)info->s_pixels; |
| 2190 | int srcskip = info->s_skip; |
| 2191 | Uint16 *dstp = (Uint16 *)info->d_pixels; |
| 2192 | int dstskip = info->d_skip; |
| 2193 | Uint32 ckey = info->src->colorkey; |
| 2194 | Uint32 rgbmask = ~info->src->Amask; |
| 2195 | |
| 2196 | /* Set up some basic variables */ |
| 2197 | srcskip /= 2; |
| 2198 | dstskip /= 2; |
| 2199 | ckey &= rgbmask; |
| 2200 | |
| 2201 | while ( height-- ) { |
| 2202 | DUFFS_LOOP( |
| 2203 | { |
| 2204 | if ( (*srcp & rgbmask) != ckey ) { |
| 2205 | *dstp = *srcp; |
| 2206 | } |
| 2207 | dstp++; |
| 2208 | srcp++; |
| 2209 | }, |
| 2210 | width); |
| 2211 | srcp += srcskip; |
| 2212 | dstp += dstskip; |
| 2213 | } |
| 2214 | } |
| 2215 | |
| 2216 | static void BlitNtoNKey(SDL_BlitInfo *info) |
| 2217 | { |
| 2218 | int width = info->d_width; |
| 2219 | int height = info->d_height; |
| 2220 | Uint8 *src = info->s_pixels; |
| 2221 | int srcskip = info->s_skip; |
| 2222 | Uint8 *dst = info->d_pixels; |
| 2223 | int dstskip = info->d_skip; |
| 2224 | Uint32 ckey = info->src->colorkey; |
| 2225 | SDL_PixelFormat *srcfmt = info->src; |
| 2226 | SDL_PixelFormat *dstfmt = info->dst; |
| 2227 | int srcbpp = srcfmt->BytesPerPixel; |
| 2228 | int dstbpp = dstfmt->BytesPerPixel; |
| 2229 | unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0; |
| 2230 | Uint32 rgbmask = ~srcfmt->Amask; |
| 2231 | |
| 2232 | /* Set up some basic variables */ |
| 2233 | ckey &= rgbmask; |
| 2234 | |
| 2235 | while ( height-- ) { |
| 2236 | DUFFS_LOOP( |
| 2237 | { |
| 2238 | Uint32 Pixel; |
| 2239 | unsigned sR; |
| 2240 | unsigned sG; |
| 2241 | unsigned sB; |
| 2242 | RETRIEVE_RGB_PIXEL(src, srcbpp, Pixel); |
| 2243 | if ( (Pixel & rgbmask) != ckey ) { |
| 2244 | RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); |
| 2245 | ASSEMBLE_RGBA(dst, dstbpp, dstfmt, |
| 2246 | sR, sG, sB, alpha); |
| 2247 | } |
| 2248 | dst += dstbpp; |
| 2249 | src += srcbpp; |
| 2250 | }, |
| 2251 | width); |
| 2252 | src += srcskip; |
| 2253 | dst += dstskip; |
| 2254 | } |
| 2255 | } |
| 2256 | |
| 2257 | static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo *info) |
| 2258 | { |
| 2259 | int width = info->d_width; |
| 2260 | int height = info->d_height; |
| 2261 | Uint8 *src = info->s_pixels; |
| 2262 | int srcskip = info->s_skip; |
| 2263 | Uint8 *dst = info->d_pixels; |
| 2264 | int dstskip = info->d_skip; |
| 2265 | Uint32 ckey = info->src->colorkey; |
| 2266 | SDL_PixelFormat *srcfmt = info->src; |
| 2267 | SDL_PixelFormat *dstfmt = info->dst; |
| 2268 | Uint32 rgbmask = ~srcfmt->Amask; |
| 2269 | |
| 2270 | Uint8 srcbpp; |
| 2271 | Uint8 dstbpp; |
| 2272 | Uint32 Pixel; |
| 2273 | unsigned sR, sG, sB, sA; |
| 2274 | |
| 2275 | /* Set up some basic variables */ |
| 2276 | srcbpp = srcfmt->BytesPerPixel; |
| 2277 | dstbpp = dstfmt->BytesPerPixel; |
| 2278 | ckey &= rgbmask; |
| 2279 | |
| 2280 | /* FIXME: should map alpha to [0..255] correctly! */ |
| 2281 | while ( height-- ) { |
| 2282 | DUFFS_LOOP( |
| 2283 | { |
| 2284 | DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, |
| 2285 | sR, sG, sB, sA); |
| 2286 | if ( (Pixel & rgbmask) != ckey ) { |
| 2287 | ASSEMBLE_RGBA(dst, dstbpp, dstfmt, |
| 2288 | sR, sG, sB, sA); |
| 2289 | } |
| 2290 | dst += dstbpp; |
| 2291 | src += srcbpp; |
| 2292 | }, |
| 2293 | width); |
| 2294 | src += srcskip; |
| 2295 | dst += dstskip; |
| 2296 | } |
| 2297 | } |
| 2298 | |
| 2299 | /* Normal N to N optimized blitters */ |
| 2300 | struct blit_table { |
| 2301 | Uint32 srcR, srcG, srcB; |
| 2302 | int dstbpp; |
| 2303 | Uint32 dstR, dstG, dstB; |
| 2304 | Uint32 blit_features; |
| 2305 | void *aux_data; |
| 2306 | SDL_loblit blitfunc; |
| 2307 | enum { NO_ALPHA=1, SET_ALPHA=2, COPY_ALPHA=4 } alpha; |
| 2308 | }; |
| 2309 | static const struct blit_table normal_blit_1[] = { |
| 2310 | /* Default for 8-bit RGB source, an invalid combination */ |
| 2311 | { 0,0,0, 0, 0,0,0, 0, NULL, NULL }, |
| 2312 | }; |
| 2313 | static const struct blit_table normal_blit_2[] = { |
| 2314 | #if SDL_HERMES_BLITTERS |
| 2315 | { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000007E0,0x0000F800, |
| 2316 | 0, ConvertX86p16_16BGR565, ConvertX86, NO_ALPHA }, |
| 2317 | { 0x0000F800,0x000007E0,0x0000001F, 2, 0x00007C00,0x000003E0,0x0000001F, |
| 2318 | 0, ConvertX86p16_16RGB555, ConvertX86, NO_ALPHA }, |
| 2319 | { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000003E0,0x00007C00, |
| 2320 | 0, ConvertX86p16_16BGR555, ConvertX86, NO_ALPHA }, |
| 2321 | #elif SDL_ALTIVEC_BLITTERS |
| 2322 | /* has-altivec */ |
| 2323 | { 0x0000F800,0x000007E0,0x0000001F, 4, 0x00000000,0x00000000,0x00000000, |
| 2324 | 2, NULL, Blit_RGB565_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, |
| 2325 | { 0x00007C00,0x000003E0,0x0000001F, 4, 0x00000000,0x00000000,0x00000000, |
| 2326 | 2, NULL, Blit_RGB555_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, |
| 2327 | #endif |
| 2328 | { 0x0000F800,0x000007E0,0x0000001F, 4, 0x00FF0000,0x0000FF00,0x000000FF, |
| 2329 | 0, NULL, Blit_RGB565_ARGB8888, SET_ALPHA }, |
| 2330 | { 0x0000F800,0x000007E0,0x0000001F, 4, 0x000000FF,0x0000FF00,0x00FF0000, |
| 2331 | 0, NULL, Blit_RGB565_ABGR8888, SET_ALPHA }, |
| 2332 | { 0x0000F800,0x000007E0,0x0000001F, 4, 0xFF000000,0x00FF0000,0x0000FF00, |
| 2333 | 0, NULL, Blit_RGB565_RGBA8888, SET_ALPHA }, |
| 2334 | { 0x0000F800,0x000007E0,0x0000001F, 4, 0x0000FF00,0x00FF0000,0xFF000000, |
| 2335 | 0, NULL, Blit_RGB565_BGRA8888, SET_ALPHA }, |
| 2336 | |
| 2337 | /* Default for 16-bit RGB source, used if no other blitter matches */ |
| 2338 | { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } |
| 2339 | }; |
| 2340 | static const struct blit_table normal_blit_3[] = { |
| 2341 | /* Default for 24-bit RGB source, never optimized */ |
| 2342 | { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } |
| 2343 | }; |
| 2344 | static const struct blit_table normal_blit_4[] = { |
| 2345 | #if SDL_HERMES_BLITTERS |
| 2346 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, |
| 2347 | 1, ConvertMMXpII32_16RGB565, ConvertMMX, NO_ALPHA }, |
| 2348 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, |
| 2349 | 0, ConvertX86p32_16RGB565, ConvertX86, NO_ALPHA }, |
| 2350 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800, |
| 2351 | 1, ConvertMMXpII32_16BGR565, ConvertMMX, NO_ALPHA }, |
| 2352 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800, |
| 2353 | 0, ConvertX86p32_16BGR565, ConvertX86, NO_ALPHA }, |
| 2354 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, |
| 2355 | 1, ConvertMMXpII32_16RGB555, ConvertMMX, NO_ALPHA }, |
| 2356 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, |
| 2357 | 0, ConvertX86p32_16RGB555, ConvertX86, NO_ALPHA }, |
| 2358 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00, |
| 2359 | 1, ConvertMMXpII32_16BGR555, ConvertMMX, NO_ALPHA }, |
| 2360 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00, |
| 2361 | 0, ConvertX86p32_16BGR555, ConvertX86, NO_ALPHA }, |
| 2362 | { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x00FF0000,0x0000FF00,0x000000FF, |
| 2363 | 1, ConvertMMXpII32_24RGB888, ConvertMMX, NO_ALPHA }, |
| 2364 | { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x00FF0000,0x0000FF00,0x000000FF, |
| 2365 | 0, ConvertX86p32_24RGB888, ConvertX86, NO_ALPHA }, |
| 2366 | { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x000000FF,0x0000FF00,0x00FF0000, |
| 2367 | 0, ConvertX86p32_24BGR888, ConvertX86, NO_ALPHA }, |
| 2368 | { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x000000FF,0x0000FF00,0x00FF0000, |
| 2369 | 0, ConvertX86p32_32BGR888, ConvertX86, NO_ALPHA }, |
| 2370 | { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0xFF000000,0x00FF0000,0x0000FF00, |
| 2371 | 0, ConvertX86p32_32RGBA888, ConvertX86, NO_ALPHA }, |
| 2372 | { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x0000FF00,0x00FF0000,0xFF000000, |
| 2373 | 0, ConvertX86p32_32BGRA888, ConvertX86, NO_ALPHA }, |
| 2374 | #else |
| 2375 | #if SDL_ALTIVEC_BLITTERS |
| 2376 | /* has-altivec | dont-use-prefetch */ |
| 2377 | { 0x00000000,0x00000000,0x00000000, 4, 0x00000000,0x00000000,0x00000000, |
| 2378 | 6, NULL, ConvertAltivec32to32_noprefetch, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, |
| 2379 | /* has-altivec */ |
| 2380 | { 0x00000000,0x00000000,0x00000000, 4, 0x00000000,0x00000000,0x00000000, |
| 2381 | 2, NULL, ConvertAltivec32to32_prefetch, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, |
| 2382 | /* has-altivec */ |
| 2383 | { 0x00000000,0x00000000,0x00000000, 2, 0x0000F800,0x000007E0,0x0000001F, |
| 2384 | 2, NULL, Blit_RGB888_RGB565Altivec, NO_ALPHA }, |
| 2385 | #endif |
| 2386 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, |
| 2387 | 0, NULL, Blit_RGB888_RGB565, NO_ALPHA }, |
| 2388 | { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, |
| 2389 | 0, NULL, Blit_RGB888_RGB555, NO_ALPHA }, |
| 2390 | #endif |
| 2391 | #ifdef __ARM_NEON__ |
| 2392 | { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x00FF0000,0x0000FF00,0x000000FF, |
| 2393 | 0, NULL, BlitARGBtoXRGB_neon, NO_ALPHA | SET_ALPHA }, |
| 2394 | { 0x000000FF,0x0000FF00,0x00FF0000, 4, 0x00FF0000,0x0000FF00,0x000000FF, |
| 2395 | 0, NULL, BlitABGRtoXRGB_neon, NO_ALPHA | SET_ALPHA }, |
| 2396 | /* RGB->BGR is same as BGR->RGB */ |
| 2397 | { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x000000FF,0x0000FF00,0x00FF0000, |
| 2398 | 0, NULL, BlitABGRtoXRGB_neon, NO_ALPHA | SET_ALPHA }, |
| 2399 | #endif |
| 2400 | /* Default for 32-bit RGB source, used if no other blitter matches */ |
| 2401 | { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } |
| 2402 | }; |
| 2403 | static const struct blit_table *normal_blit[] = { |
| 2404 | normal_blit_1, normal_blit_2, normal_blit_3, normal_blit_4 |
| 2405 | }; |
| 2406 | |
| 2407 | /* Mask matches table, or table entry is zero */ |
| 2408 | #define MASKOK(x, y) (((x) == (y)) || ((y) == 0x00000000)) |
| 2409 | |
| 2410 | SDL_loblit SDL_CalculateBlitN(SDL_Surface *surface, int blit_index) |
| 2411 | { |
| 2412 | struct private_swaccel *sdata; |
| 2413 | SDL_PixelFormat *srcfmt; |
| 2414 | SDL_PixelFormat *dstfmt; |
| 2415 | const struct blit_table *table; |
| 2416 | int which; |
| 2417 | SDL_loblit blitfun; |
| 2418 | |
| 2419 | /* Set up data for choosing the blit */ |
| 2420 | sdata = surface->map->sw_data; |
| 2421 | srcfmt = surface->format; |
| 2422 | dstfmt = surface->map->dst->format; |
| 2423 | |
| 2424 | if ( blit_index & 2 ) { |
| 2425 | /* alpha or alpha+colorkey */ |
| 2426 | return SDL_CalculateAlphaBlit(surface, blit_index); |
| 2427 | } |
| 2428 | |
| 2429 | /* We don't support destinations less than 8-bits */ |
| 2430 | if ( dstfmt->BitsPerPixel < 8 ) { |
| 2431 | return(NULL); |
| 2432 | } |
| 2433 | |
| 2434 | if(blit_index == 1) { |
| 2435 | /* colorkey blit: Here we don't have too many options, mostly |
| 2436 | because RLE is the preferred fast way to deal with this. |
| 2437 | If a particular case turns out to be useful we'll add it. */ |
| 2438 | |
| 2439 | if(srcfmt->BytesPerPixel == 2 |
| 2440 | && surface->map->identity) |
| 2441 | return Blit2to2Key; |
| 2442 | else if(dstfmt->BytesPerPixel == 1) |
| 2443 | return BlitNto1Key; |
| 2444 | else { |
| 2445 | #if SDL_ALTIVEC_BLITTERS |
| 2446 | if((srcfmt->BytesPerPixel == 4) && (dstfmt->BytesPerPixel == 4) && SDL_HasAltiVec()) { |
| 2447 | return Blit32to32KeyAltivec; |
| 2448 | } else |
| 2449 | #endif |
| 2450 | |
| 2451 | if(srcfmt->Amask && dstfmt->Amask) |
| 2452 | return BlitNtoNKeyCopyAlpha; |
| 2453 | else |
| 2454 | return BlitNtoNKey; |
| 2455 | } |
| 2456 | } |
| 2457 | |
| 2458 | blitfun = NULL; |
| 2459 | if ( dstfmt->BitsPerPixel == 8 ) { |
| 2460 | /* We assume 8-bit destinations are palettized */ |
| 2461 | if ( (srcfmt->BytesPerPixel == 4) && |
| 2462 | (srcfmt->Rmask == 0x00FF0000) && |
| 2463 | (srcfmt->Gmask == 0x0000FF00) && |
| 2464 | (srcfmt->Bmask == 0x000000FF) ) { |
| 2465 | if ( surface->map->table ) { |
| 2466 | blitfun = Blit_RGB888_index8_map; |
| 2467 | } else { |
| 2468 | #if SDL_HERMES_BLITTERS |
| 2469 | sdata->aux_data = ConvertX86p32_8RGB332; |
| 2470 | blitfun = ConvertX86; |
| 2471 | #else |
| 2472 | blitfun = Blit_RGB888_index8; |
| 2473 | #endif |
| 2474 | } |
| 2475 | } else { |
| 2476 | blitfun = BlitNto1; |
| 2477 | } |
| 2478 | } else { |
| 2479 | /* Now the meat, choose the blitter we want */ |
| 2480 | int a_need = NO_ALPHA; |
| 2481 | if(dstfmt->Amask) |
| 2482 | a_need = srcfmt->Amask ? COPY_ALPHA : SET_ALPHA; |
| 2483 | table = normal_blit[srcfmt->BytesPerPixel-1]; |
| 2484 | for ( which=0; table[which].dstbpp; ++which ) { |
| 2485 | if ( MASKOK(srcfmt->Rmask, table[which].srcR) && |
| 2486 | MASKOK(srcfmt->Gmask, table[which].srcG) && |
| 2487 | MASKOK(srcfmt->Bmask, table[which].srcB) && |
| 2488 | MASKOK(dstfmt->Rmask, table[which].dstR) && |
| 2489 | MASKOK(dstfmt->Gmask, table[which].dstG) && |
| 2490 | MASKOK(dstfmt->Bmask, table[which].dstB) && |
| 2491 | dstfmt->BytesPerPixel == table[which].dstbpp && |
| 2492 | (a_need & table[which].alpha) == a_need && |
| 2493 | ((table[which].blit_features & GetBlitFeatures()) == table[which].blit_features) ) |
| 2494 | break; |
| 2495 | } |
| 2496 | sdata->aux_data = table[which].aux_data; |
| 2497 | blitfun = table[which].blitfunc; |
| 2498 | |
| 2499 | if(blitfun == BlitNtoN) { /* default C fallback catch-all. Slow! */ |
| 2500 | /* Fastpath C fallback: 32bit RGB<->RGBA blit with matching RGB */ |
| 2501 | if ( srcfmt->BytesPerPixel == 4 && dstfmt->BytesPerPixel == 4 && |
| 2502 | srcfmt->Rmask == dstfmt->Rmask && |
| 2503 | srcfmt->Gmask == dstfmt->Gmask && |
| 2504 | srcfmt->Bmask == dstfmt->Bmask ) { |
| 2505 | blitfun = Blit4to4MaskAlpha; |
| 2506 | } else if ( a_need == COPY_ALPHA ) { |
| 2507 | blitfun = BlitNtoNCopyAlpha; |
| 2508 | } |
| 2509 | } |
| 2510 | } |
| 2511 | |
| 2512 | #ifdef DEBUG_ASM |
| 2513 | #if SDL_HERMES_BLITTERS |
| 2514 | if ( blitfun == ConvertMMX ) |
| 2515 | fprintf(stderr, "Using mmx blit\n"); |
| 2516 | else |
| 2517 | if ( blitfun == ConvertX86 ) |
| 2518 | fprintf(stderr, "Using asm blit\n"); |
| 2519 | else |
| 2520 | #endif |
| 2521 | if ( (blitfun == BlitNtoN) || (blitfun == BlitNto1) ) |
| 2522 | fprintf(stderr, "Using C blit\n"); |
| 2523 | else |
| 2524 | fprintf(stderr, "Using optimized C blit\n"); |
| 2525 | #endif /* DEBUG_ASM */ |
| 2526 | |
| 2527 | return(blitfun); |
| 2528 | } |