diff options
Diffstat (limited to 'contrib/SDL-3.2.8/src/video/sdlgenblit.pl')
| -rwxr-xr-x | contrib/SDL-3.2.8/src/video/sdlgenblit.pl | 736 |
1 files changed, 736 insertions, 0 deletions
diff --git a/contrib/SDL-3.2.8/src/video/sdlgenblit.pl b/contrib/SDL-3.2.8/src/video/sdlgenblit.pl new file mode 100755 index 0000000..47c90d5 --- /dev/null +++ b/contrib/SDL-3.2.8/src/video/sdlgenblit.pl | |||
| @@ -0,0 +1,736 @@ | |||
| 1 | #!/usr/bin/perl -w | ||
| 2 | # | ||
| 3 | # A script to generate optimized C blitters for Simple DirectMedia Layer | ||
| 4 | # http://www.libsdl.org/ | ||
| 5 | |||
| 6 | use warnings; | ||
| 7 | use strict; | ||
| 8 | |||
| 9 | my %file; | ||
| 10 | |||
| 11 | # The formats potentially supported by this script: | ||
| 12 | # SDL_PIXELFORMAT_RGB332 | ||
| 13 | # SDL_PIXELFORMAT_XRGB4444 | ||
| 14 | # SDL_PIXELFORMAT_XRGB1555 | ||
| 15 | # SDL_PIXELFORMAT_ARGB4444 | ||
| 16 | # SDL_PIXELFORMAT_ARGB1555 | ||
| 17 | # SDL_PIXELFORMAT_RGB565 | ||
| 18 | # SDL_PIXELFORMAT_RGB24 | ||
| 19 | # SDL_PIXELFORMAT_BGR24 | ||
| 20 | # SDL_PIXELFORMAT_XRGB8888 | ||
| 21 | # SDL_PIXELFORMAT_XBGR8888 | ||
| 22 | # SDL_PIXELFORMAT_ARGB8888 | ||
| 23 | # SDL_PIXELFORMAT_RGBA8888 | ||
| 24 | # SDL_PIXELFORMAT_ABGR8888 | ||
| 25 | # SDL_PIXELFORMAT_BGRA8888 | ||
| 26 | # SDL_PIXELFORMAT_ARGB2101010 | ||
| 27 | |||
| 28 | # The formats we're actually creating blitters for: | ||
| 29 | my @src_formats = ( | ||
| 30 | "XRGB8888", | ||
| 31 | "XBGR8888", | ||
| 32 | "ARGB8888", | ||
| 33 | "RGBA8888", | ||
| 34 | "ABGR8888", | ||
| 35 | "BGRA8888", | ||
| 36 | ); | ||
| 37 | my @dst_formats = ( | ||
| 38 | "XRGB8888", | ||
| 39 | "XBGR8888", | ||
| 40 | "ARGB8888", | ||
| 41 | "ABGR8888", | ||
| 42 | ); | ||
| 43 | |||
| 44 | my %format_size = ( | ||
| 45 | "XRGB8888" => 4, | ||
| 46 | "XBGR8888" => 4, | ||
| 47 | "ARGB8888" => 4, | ||
| 48 | "RGBA8888" => 4, | ||
| 49 | "ABGR8888" => 4, | ||
| 50 | "BGRA8888" => 4, | ||
| 51 | ); | ||
| 52 | |||
| 53 | my %format_type = ( | ||
| 54 | "XRGB8888" => "Uint32", | ||
| 55 | "XBGR8888" => "Uint32", | ||
| 56 | "ARGB8888" => "Uint32", | ||
| 57 | "RGBA8888" => "Uint32", | ||
| 58 | "ABGR8888" => "Uint32", | ||
| 59 | "BGRA8888" => "Uint32", | ||
| 60 | ); | ||
| 61 | |||
| 62 | my %get_rgba_string_ignore_alpha = ( | ||
| 63 | "XRGB8888" => "_R = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _B = (Uint8)_pixel;", | ||
| 64 | "XBGR8888" => "_B = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _R = (Uint8)_pixel;", | ||
| 65 | "ARGB8888" => "_R = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _B = (Uint8)_pixel;", | ||
| 66 | "RGBA8888" => "_R = (Uint8)(_pixel >> 24); _G = (Uint8)(_pixel >> 16); _B = (Uint8)(_pixel >> 8);", | ||
| 67 | "ABGR8888" => "_B = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _R = (Uint8)_pixel;", | ||
| 68 | "BGRA8888" => "_B = (Uint8)(_pixel >> 24); _G = (Uint8)(_pixel >> 16); _R = (Uint8)(_pixel >> 8);", | ||
| 69 | ); | ||
| 70 | |||
| 71 | my %get_rgba_string = ( | ||
| 72 | "XRGB8888" => $get_rgba_string_ignore_alpha{"XRGB8888"}, | ||
| 73 | "XBGR8888" => $get_rgba_string_ignore_alpha{"XBGR8888"}, | ||
| 74 | "ARGB8888" => $get_rgba_string_ignore_alpha{"ARGB8888"} . " _A = (Uint8)(_pixel >> 24);", | ||
| 75 | "RGBA8888" => $get_rgba_string_ignore_alpha{"RGBA8888"} . " _A = (Uint8)_pixel;", | ||
| 76 | "ABGR8888" => $get_rgba_string_ignore_alpha{"ABGR8888"} . " _A = (Uint8)(_pixel >> 24);", | ||
| 77 | "BGRA8888" => $get_rgba_string_ignore_alpha{"BGRA8888"} . " _A = (Uint8)_pixel;", | ||
| 78 | ); | ||
| 79 | |||
| 80 | my %set_rgba_string = ( | ||
| 81 | "XRGB8888" => "_pixel = (_R << 16) | (_G << 8) | _B;", | ||
| 82 | "XBGR8888" => "_pixel = (_B << 16) | (_G << 8) | _R;", | ||
| 83 | "ARGB8888" => "_pixel = (_A << 24) | (_R << 16) | (_G << 8) | _B;", | ||
| 84 | "RGBA8888" => "_pixel = (_R << 24) | (_G << 16) | (_B << 8) | _A;", | ||
| 85 | "ABGR8888" => "_pixel = (_A << 24) | (_B << 16) | (_G << 8) | _R;", | ||
| 86 | "BGRA8888" => "_pixel = (_B << 24) | (_G << 16) | (_R << 8) | _A;", | ||
| 87 | ); | ||
| 88 | |||
| 89 | sub open_file { | ||
| 90 | my $name = shift; | ||
| 91 | open(FILE, ">$name.new") || die "Can't open $name.new: $!"; | ||
| 92 | print FILE <<__EOF__; | ||
| 93 | // DO NOT EDIT! This file is generated by sdlgenblit.pl | ||
| 94 | /* | ||
| 95 | Simple DirectMedia Layer | ||
| 96 | Copyright (C) 1997-2025 Sam Lantinga <slouken\@libsdl.org> | ||
| 97 | |||
| 98 | This software is provided 'as-is', without any express or implied | ||
| 99 | warranty. In no event will the authors be held liable for any damages | ||
| 100 | arising from the use of this software. | ||
| 101 | |||
| 102 | Permission is granted to anyone to use this software for any purpose, | ||
| 103 | including commercial applications, and to alter it and redistribute it | ||
| 104 | freely, subject to the following restrictions: | ||
| 105 | |||
| 106 | 1. The origin of this software must not be misrepresented; you must not | ||
| 107 | claim that you wrote the original software. If you use this software | ||
| 108 | in a product, an acknowledgment in the product documentation would be | ||
| 109 | appreciated but is not required. | ||
| 110 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 111 | misrepresented as being the original software. | ||
| 112 | 3. This notice may not be removed or altered from any source distribution. | ||
| 113 | */ | ||
| 114 | #include "SDL_internal.h" | ||
| 115 | #include "SDL_surface_c.h" | ||
| 116 | |||
| 117 | #ifdef SDL_HAVE_BLIT_AUTO | ||
| 118 | |||
| 119 | /* *INDENT-OFF* */ // clang-format off | ||
| 120 | |||
| 121 | __EOF__ | ||
| 122 | } | ||
| 123 | |||
| 124 | sub close_file { | ||
| 125 | my $name = shift; | ||
| 126 | print FILE <<__EOF__; | ||
| 127 | /* *INDENT-ON* */ // clang-format on | ||
| 128 | |||
| 129 | #endif // SDL_HAVE_BLIT_AUTO | ||
| 130 | |||
| 131 | __EOF__ | ||
| 132 | close FILE; | ||
| 133 | if ( ! -f $name || system("cmp -s $name $name.new") != 0 ) { | ||
| 134 | rename("$name.new", "$name"); | ||
| 135 | } else { | ||
| 136 | unlink("$name.new"); | ||
| 137 | } | ||
| 138 | } | ||
| 139 | |||
| 140 | sub output_copydefs | ||
| 141 | { | ||
| 142 | print FILE <<__EOF__; | ||
| 143 | extern SDL_BlitFuncEntry SDL_GeneratedBlitFuncTable[]; | ||
| 144 | __EOF__ | ||
| 145 | } | ||
| 146 | |||
| 147 | sub output_copyfuncname | ||
| 148 | { | ||
| 149 | my $prefix = shift; | ||
| 150 | my $src = shift; | ||
| 151 | my $dst = shift; | ||
| 152 | my $modulate = shift; | ||
| 153 | my $blend = shift; | ||
| 154 | my $scale = shift; | ||
| 155 | my $args = shift; | ||
| 156 | my $suffix = shift; | ||
| 157 | |||
| 158 | print FILE "$prefix SDL_Blit_${src}_${dst}"; | ||
| 159 | if ( $modulate ) { | ||
| 160 | print FILE "_Modulate"; | ||
| 161 | } | ||
| 162 | if ( $blend ) { | ||
| 163 | print FILE "_Blend"; | ||
| 164 | } | ||
| 165 | if ( $scale ) { | ||
| 166 | print FILE "_Scale"; | ||
| 167 | } | ||
| 168 | if ( $args ) { | ||
| 169 | print FILE "(SDL_BlitInfo *info)"; | ||
| 170 | } | ||
| 171 | print FILE "$suffix"; | ||
| 172 | } | ||
| 173 | |||
| 174 | sub get_rgba | ||
| 175 | { | ||
| 176 | my $prefix = shift; | ||
| 177 | my $format = shift; | ||
| 178 | my $ignore_alpha = shift; | ||
| 179 | |||
| 180 | my $string; | ||
| 181 | if ($ignore_alpha) { | ||
| 182 | $string = $get_rgba_string_ignore_alpha{$format}; | ||
| 183 | } else { | ||
| 184 | $string = $get_rgba_string{$format}; | ||
| 185 | } | ||
| 186 | |||
| 187 | $string =~ s/_/$prefix/g; | ||
| 188 | if ( $prefix ne "" ) { | ||
| 189 | print FILE <<__EOF__; | ||
| 190 | ${prefix}pixel = *$prefix; | ||
| 191 | __EOF__ | ||
| 192 | } else { | ||
| 193 | print FILE <<__EOF__; | ||
| 194 | pixel = *src; | ||
| 195 | __EOF__ | ||
| 196 | } | ||
| 197 | print FILE <<__EOF__; | ||
| 198 | $string | ||
| 199 | __EOF__ | ||
| 200 | } | ||
| 201 | |||
| 202 | sub set_rgba | ||
| 203 | { | ||
| 204 | my $prefix = shift; | ||
| 205 | my $format = shift; | ||
| 206 | my $string = $set_rgba_string{$format}; | ||
| 207 | $string =~ s/_/$prefix/g; | ||
| 208 | print FILE <<__EOF__; | ||
| 209 | $string | ||
| 210 | *dst = ${prefix}pixel; | ||
| 211 | __EOF__ | ||
| 212 | } | ||
| 213 | |||
| 214 | sub output_copycore | ||
| 215 | { | ||
| 216 | my $src = shift; | ||
| 217 | my $dst = shift; | ||
| 218 | my $modulate = shift; | ||
| 219 | my $blend = shift; | ||
| 220 | my $is_modulateA_done = shift; | ||
| 221 | my $A_is_const_FF = shift; | ||
| 222 | my $s = ""; | ||
| 223 | my $d = ""; | ||
| 224 | my $dst_has_alpha = ($dst =~ /A/) ? 1 : 0; | ||
| 225 | my $src_has_alpha = ($src =~ /A/) ? 1 : 0; | ||
| 226 | my $sa = ""; | ||
| 227 | my $da = ""; | ||
| 228 | |||
| 229 | if (!$modulate && !$blend) { | ||
| 230 | # Nice and easy... | ||
| 231 | if ( $src eq $dst ) { | ||
| 232 | print FILE <<__EOF__; | ||
| 233 | *dst = *src; | ||
| 234 | __EOF__ | ||
| 235 | return; | ||
| 236 | } | ||
| 237 | |||
| 238 | # Matching color-order | ||
| 239 | $sa = $src; | ||
| 240 | $sa =~ s/[XA8]//g; | ||
| 241 | $da = $dst; | ||
| 242 | $da =~ s/[XA8]//g; | ||
| 243 | if ($sa eq $da) { | ||
| 244 | if ($dst_has_alpha && $src_has_alpha) { | ||
| 245 | $da = substr $dst, 0, 1; | ||
| 246 | if ($da eq "A") { | ||
| 247 | # RGBA -> ARGB | ||
| 248 | print FILE <<__EOF__; | ||
| 249 | pixel = *src; | ||
| 250 | pixel = (pixel >> 8) | (pixel << 24); | ||
| 251 | *dst = pixel; | ||
| 252 | __EOF__ | ||
| 253 | } else { | ||
| 254 | # ARGB -> RGBA -- unused | ||
| 255 | print FILE <<__EOF__; | ||
| 256 | pixel = *src; | ||
| 257 | pixel = (pixel << 8) | A; | ||
| 258 | *dst = pixel; | ||
| 259 | __EOF__ | ||
| 260 | } | ||
| 261 | } elsif ($dst_has_alpha) { | ||
| 262 | $da = substr $dst, 0, 1; | ||
| 263 | if ($da eq "A") { | ||
| 264 | # XRGB -> ARGB | ||
| 265 | print FILE <<__EOF__; | ||
| 266 | pixel = *src; | ||
| 267 | pixel |= (A << 24); | ||
| 268 | *dst = pixel; | ||
| 269 | __EOF__ | ||
| 270 | } else { | ||
| 271 | # XRGB -> RGBA -- unused | ||
| 272 | print FILE <<__EOF__; | ||
| 273 | pixel = *src; | ||
| 274 | pixel = (pixel << 8) | A; | ||
| 275 | *dst = pixel; | ||
| 276 | __EOF__ | ||
| 277 | } | ||
| 278 | } else { | ||
| 279 | $sa = substr $src, 0, 1; | ||
| 280 | if ($sa eq "A") { | ||
| 281 | # ARGB -> XRGB | ||
| 282 | print FILE <<__EOF__; | ||
| 283 | pixel = *src; | ||
| 284 | pixel &= 0xFFFFFF; | ||
| 285 | *dst = pixel; | ||
| 286 | __EOF__ | ||
| 287 | } else { | ||
| 288 | # RGBA -> XRGB | ||
| 289 | print FILE <<__EOF__; | ||
| 290 | pixel = *src; | ||
| 291 | pixel >>= 8; | ||
| 292 | *dst = pixel; | ||
| 293 | __EOF__ | ||
| 294 | } | ||
| 295 | } | ||
| 296 | return; | ||
| 297 | } | ||
| 298 | } | ||
| 299 | |||
| 300 | my $ignore_dst_alpha = !$dst_has_alpha && !$blend; | ||
| 301 | |||
| 302 | if ( $blend ) { | ||
| 303 | get_rgba("src", $src, $ignore_dst_alpha); | ||
| 304 | get_rgba("dst", $dst, !$dst_has_alpha); | ||
| 305 | $s = "src"; | ||
| 306 | $d = "dst"; | ||
| 307 | } else { | ||
| 308 | get_rgba("", $src, $ignore_dst_alpha); | ||
| 309 | } | ||
| 310 | |||
| 311 | if ( $modulate ) { | ||
| 312 | print FILE <<__EOF__; | ||
| 313 | if (flags & SDL_COPY_MODULATE_COLOR) { | ||
| 314 | MULT_DIV_255(${s}R, modulateR, ${s}R); | ||
| 315 | MULT_DIV_255(${s}G, modulateG, ${s}G); | ||
| 316 | MULT_DIV_255(${s}B, modulateB, ${s}B); | ||
| 317 | } | ||
| 318 | __EOF__ | ||
| 319 | if (!$ignore_dst_alpha && !$is_modulateA_done) { | ||
| 320 | print FILE <<__EOF__; | ||
| 321 | if (flags & SDL_COPY_MODULATE_ALPHA) { | ||
| 322 | MULT_DIV_255(${s}A, modulateA, ${s}A); | ||
| 323 | } | ||
| 324 | __EOF__ | ||
| 325 | } | ||
| 326 | } | ||
| 327 | if ( $blend ) { | ||
| 328 | if (!$A_is_const_FF) { | ||
| 329 | print FILE <<__EOF__; | ||
| 330 | if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) { | ||
| 331 | if (${s}A < 255) { | ||
| 332 | MULT_DIV_255(${s}R, ${s}A, ${s}R); | ||
| 333 | MULT_DIV_255(${s}G, ${s}A, ${s}G); | ||
| 334 | MULT_DIV_255(${s}B, ${s}A, ${s}B); | ||
| 335 | } | ||
| 336 | } | ||
| 337 | __EOF__ | ||
| 338 | } | ||
| 339 | print FILE <<__EOF__; | ||
| 340 | switch (flags & SDL_COPY_BLEND_MASK) { | ||
| 341 | case SDL_COPY_BLEND: | ||
| 342 | __EOF__ | ||
| 343 | if ($A_is_const_FF) { | ||
| 344 | print FILE <<__EOF__; | ||
| 345 | ${d}R = ${s}R; | ||
| 346 | ${d}G = ${s}G; | ||
| 347 | ${d}B = ${s}B; | ||
| 348 | __EOF__ | ||
| 349 | } else { | ||
| 350 | print FILE <<__EOF__; | ||
| 351 | MULT_DIV_255((255 - ${s}A), ${d}R, ${d}R); | ||
| 352 | ${d}R += ${s}R; | ||
| 353 | MULT_DIV_255((255 - ${s}A), ${d}G, ${d}G); | ||
| 354 | ${d}G += ${s}G; | ||
| 355 | MULT_DIV_255((255 - ${s}A), ${d}B, ${d}B); | ||
| 356 | ${d}B += ${s}B; | ||
| 357 | __EOF__ | ||
| 358 | } | ||
| 359 | if ( $dst_has_alpha ) { | ||
| 360 | if ($A_is_const_FF) { | ||
| 361 | print FILE <<__EOF__; | ||
| 362 | ${d}A = 0xFF; | ||
| 363 | __EOF__ | ||
| 364 | } else { | ||
| 365 | print FILE <<__EOF__; | ||
| 366 | MULT_DIV_255((255 - ${s}A), ${d}A, ${d}A); | ||
| 367 | ${d}A += ${s}A; | ||
| 368 | __EOF__ | ||
| 369 | } | ||
| 370 | } | ||
| 371 | |||
| 372 | print FILE <<__EOF__; | ||
| 373 | break; | ||
| 374 | case SDL_COPY_BLEND_PREMULTIPLIED: | ||
| 375 | __EOF__ | ||
| 376 | if ($A_is_const_FF) { | ||
| 377 | print FILE <<__EOF__; | ||
| 378 | ${d}R = ${s}R; | ||
| 379 | ${d}G = ${s}G; | ||
| 380 | ${d}B = ${s}B; | ||
| 381 | __EOF__ | ||
| 382 | } else { | ||
| 383 | print FILE <<__EOF__; | ||
| 384 | MULT_DIV_255((255 - ${s}A), ${d}R, ${d}R); | ||
| 385 | ${d}R += ${s}R; | ||
| 386 | if (${d}R > 255) ${d}R = 255; | ||
| 387 | MULT_DIV_255((255 - ${s}A), ${d}G, ${d}G); | ||
| 388 | ${d}G += ${s}G; | ||
| 389 | if (${d}G > 255) ${d}G = 255; | ||
| 390 | MULT_DIV_255((255 - ${s}A), ${d}B, ${d}B); | ||
| 391 | ${d}B += ${s}B; | ||
| 392 | if (${d}B > 255) ${d}B = 255; | ||
| 393 | __EOF__ | ||
| 394 | } | ||
| 395 | if ( $dst_has_alpha ) { | ||
| 396 | if ($A_is_const_FF) { | ||
| 397 | print FILE <<__EOF__; | ||
| 398 | ${d}A = 0xFF; | ||
| 399 | __EOF__ | ||
| 400 | } else { | ||
| 401 | print FILE <<__EOF__; | ||
| 402 | MULT_DIV_255((255 - ${s}A), ${d}A, ${d}A); | ||
| 403 | ${d}A += ${s}A; | ||
| 404 | if (${d}A > 255) ${d}A = 255; | ||
| 405 | __EOF__ | ||
| 406 | } | ||
| 407 | } | ||
| 408 | |||
| 409 | print FILE <<__EOF__; | ||
| 410 | break; | ||
| 411 | case SDL_COPY_ADD: | ||
| 412 | case SDL_COPY_ADD_PREMULTIPLIED: | ||
| 413 | ${d}R = ${s}R + ${d}R; if (${d}R > 255) ${d}R = 255; | ||
| 414 | ${d}G = ${s}G + ${d}G; if (${d}G > 255) ${d}G = 255; | ||
| 415 | ${d}B = ${s}B + ${d}B; if (${d}B > 255) ${d}B = 255; | ||
| 416 | break; | ||
| 417 | case SDL_COPY_MOD: | ||
| 418 | MULT_DIV_255(${s}R, ${d}R, ${d}R); | ||
| 419 | MULT_DIV_255(${s}G, ${d}G, ${d}G); | ||
| 420 | MULT_DIV_255(${s}B, ${d}B, ${d}B); | ||
| 421 | break; | ||
| 422 | case SDL_COPY_MUL: | ||
| 423 | __EOF__ | ||
| 424 | if ($A_is_const_FF) { | ||
| 425 | print FILE <<__EOF__; | ||
| 426 | MULT_DIV_255(${s}R, ${d}R, ${d}R); | ||
| 427 | MULT_DIV_255(${s}G, ${d}G, ${d}G); | ||
| 428 | MULT_DIV_255(${s}B, ${d}B, ${d}B); | ||
| 429 | __EOF__ | ||
| 430 | } else { | ||
| 431 | print FILE <<__EOF__; | ||
| 432 | { | ||
| 433 | Uint32 tmp1, tmp2; | ||
| 434 | |||
| 435 | MULT_DIV_255(${s}R, ${d}R, tmp1); | ||
| 436 | MULT_DIV_255(${d}R, (255 - ${s}A), tmp2); | ||
| 437 | ${d}R = tmp1 + tmp2; if (${d}R > 255) ${d}R = 255; | ||
| 438 | MULT_DIV_255(${s}G, ${d}G, tmp1); | ||
| 439 | MULT_DIV_255(${d}G, (255 - ${s}A), tmp2); | ||
| 440 | ${d}G = tmp1 + tmp2; if (${d}G > 255) ${d}G = 255; | ||
| 441 | MULT_DIV_255(${s}B, ${d}B, tmp1); | ||
| 442 | MULT_DIV_255(${d}B, (255 - ${s}A), tmp2); | ||
| 443 | ${d}B = tmp1 + tmp2; if (${d}B > 255) ${d}B = 255; | ||
| 444 | } | ||
| 445 | __EOF__ | ||
| 446 | } | ||
| 447 | |||
| 448 | print FILE <<__EOF__; | ||
| 449 | break; | ||
| 450 | } | ||
| 451 | __EOF__ | ||
| 452 | } | ||
| 453 | if ( $blend ) { | ||
| 454 | set_rgba("dst", $dst); | ||
| 455 | } else { | ||
| 456 | set_rgba("", $dst); | ||
| 457 | } | ||
| 458 | } | ||
| 459 | |||
| 460 | sub output_copyfunc | ||
| 461 | { | ||
| 462 | my $src = shift; | ||
| 463 | my $dst = shift; | ||
| 464 | my $modulate = shift; | ||
| 465 | my $blend = shift; | ||
| 466 | my $scale = shift; | ||
| 467 | |||
| 468 | my $dst_has_alpha = ($dst =~ /A/) ? 1 : 0; | ||
| 469 | my $ignore_dst_alpha = !$dst_has_alpha && !$blend; | ||
| 470 | |||
| 471 | my $src_has_alpha = ($src =~ /A/) ? 1 : 0; | ||
| 472 | |||
| 473 | my $is_modulateA_done = 0; | ||
| 474 | my $A_is_const_FF = 0; | ||
| 475 | |||
| 476 | my $sa = $src; | ||
| 477 | my $da = $dst; | ||
| 478 | my $matching_colors = 0; | ||
| 479 | |||
| 480 | $sa =~ s/[XA8]//g; | ||
| 481 | $da =~ s/[XA8]//g; | ||
| 482 | $matching_colors = (!$modulate && !$blend && ($sa eq $da)) ? 1 : 0; | ||
| 483 | |||
| 484 | output_copyfuncname("static void", $src, $dst, $modulate, $blend, $scale, 1, "\n"); | ||
| 485 | print FILE <<__EOF__; | ||
| 486 | { | ||
| 487 | __EOF__ | ||
| 488 | if ( $modulate || $blend ) { | ||
| 489 | print FILE <<__EOF__; | ||
| 490 | const int flags = info->flags; | ||
| 491 | __EOF__ | ||
| 492 | } | ||
| 493 | if ( $modulate ) { | ||
| 494 | print FILE <<__EOF__; | ||
| 495 | const Uint32 modulateR = info->r; | ||
| 496 | const Uint32 modulateG = info->g; | ||
| 497 | const Uint32 modulateB = info->b; | ||
| 498 | __EOF__ | ||
| 499 | if (!$ignore_dst_alpha) { | ||
| 500 | print FILE <<__EOF__; | ||
| 501 | const Uint32 modulateA = info->a; | ||
| 502 | __EOF__ | ||
| 503 | } | ||
| 504 | } | ||
| 505 | if ( $blend ) { | ||
| 506 | print FILE <<__EOF__; | ||
| 507 | Uint32 srcpixel; | ||
| 508 | __EOF__ | ||
| 509 | if (!$ignore_dst_alpha && !$src_has_alpha) { | ||
| 510 | if ($modulate){ | ||
| 511 | $is_modulateA_done = 1; | ||
| 512 | print FILE <<__EOF__; | ||
| 513 | const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF; | ||
| 514 | __EOF__ | ||
| 515 | } else { | ||
| 516 | $A_is_const_FF = 1; | ||
| 517 | } | ||
| 518 | print FILE <<__EOF__; | ||
| 519 | Uint32 srcR, srcG, srcB; | ||
| 520 | __EOF__ | ||
| 521 | } else { | ||
| 522 | print FILE <<__EOF__; | ||
| 523 | Uint32 srcR, srcG, srcB, srcA; | ||
| 524 | __EOF__ | ||
| 525 | } | ||
| 526 | print FILE <<__EOF__; | ||
| 527 | Uint32 dstpixel; | ||
| 528 | __EOF__ | ||
| 529 | if ($dst_has_alpha) { | ||
| 530 | print FILE <<__EOF__; | ||
| 531 | Uint32 dstR, dstG, dstB, dstA; | ||
| 532 | __EOF__ | ||
| 533 | } else { | ||
| 534 | print FILE <<__EOF__; | ||
| 535 | Uint32 dstR, dstG, dstB; | ||
| 536 | __EOF__ | ||
| 537 | } | ||
| 538 | } elsif ( $modulate || $src ne $dst ) { | ||
| 539 | print FILE <<__EOF__; | ||
| 540 | Uint32 pixel; | ||
| 541 | __EOF__ | ||
| 542 | if ( !$ignore_dst_alpha && !$src_has_alpha ) { | ||
| 543 | if ( $modulate ) { | ||
| 544 | $is_modulateA_done = 1; | ||
| 545 | print FILE <<__EOF__; | ||
| 546 | const Uint32 A = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF; | ||
| 547 | __EOF__ | ||
| 548 | } else { | ||
| 549 | $A_is_const_FF = 1; | ||
| 550 | print FILE <<__EOF__; | ||
| 551 | const Uint32 A = 0xFF; | ||
| 552 | __EOF__ | ||
| 553 | } | ||
| 554 | if ( !$matching_colors ) { | ||
| 555 | print FILE <<__EOF__; | ||
| 556 | Uint32 R, G, B; | ||
| 557 | __EOF__ | ||
| 558 | } | ||
| 559 | } elsif ( !$ignore_dst_alpha ) { | ||
| 560 | if ( !$matching_colors ) { | ||
| 561 | print FILE <<__EOF__; | ||
| 562 | Uint32 R, G, B, A; | ||
| 563 | __EOF__ | ||
| 564 | } | ||
| 565 | } elsif ( !$matching_colors ) { | ||
| 566 | print FILE <<__EOF__; | ||
| 567 | Uint32 R, G, B; | ||
| 568 | __EOF__ | ||
| 569 | } | ||
| 570 | } | ||
| 571 | if ( $scale ) { | ||
| 572 | print FILE <<__EOF__; | ||
| 573 | Uint64 srcy, srcx; | ||
| 574 | Uint64 posy, posx; | ||
| 575 | Uint64 incy, incx; | ||
| 576 | __EOF__ | ||
| 577 | |||
| 578 | print FILE <<__EOF__; | ||
| 579 | |||
| 580 | incy = ((Uint64)info->src_h << 16) / info->dst_h; | ||
| 581 | incx = ((Uint64)info->src_w << 16) / info->dst_w; | ||
| 582 | posy = incy / 2; | ||
| 583 | |||
| 584 | while (info->dst_h--) { | ||
| 585 | $format_type{$src} *src = 0; | ||
| 586 | $format_type{$dst} *dst = ($format_type{$dst} *)info->dst; | ||
| 587 | int n = info->dst_w; | ||
| 588 | posx = incx / 2; | ||
| 589 | |||
| 590 | srcy = posy >> 16; | ||
| 591 | while (n--) { | ||
| 592 | srcx = posx >> 16; | ||
| 593 | src = ($format_type{$src} *)(info->src + (srcy * info->src_pitch) + (srcx * $format_size{$src})); | ||
| 594 | __EOF__ | ||
| 595 | print FILE <<__EOF__; | ||
| 596 | __EOF__ | ||
| 597 | output_copycore($src, $dst, $modulate, $blend, $is_modulateA_done, $A_is_const_FF); | ||
| 598 | print FILE <<__EOF__; | ||
| 599 | posx += incx; | ||
| 600 | ++dst; | ||
| 601 | } | ||
| 602 | posy += incy; | ||
| 603 | info->dst += info->dst_pitch; | ||
| 604 | } | ||
| 605 | __EOF__ | ||
| 606 | } else { | ||
| 607 | print FILE <<__EOF__; | ||
| 608 | |||
| 609 | while (info->dst_h--) { | ||
| 610 | $format_type{$src} *src = ($format_type{$src} *)info->src; | ||
| 611 | $format_type{$dst} *dst = ($format_type{$dst} *)info->dst; | ||
| 612 | int n = info->dst_w; | ||
| 613 | while (n--) { | ||
| 614 | __EOF__ | ||
| 615 | output_copycore($src, $dst, $modulate, $blend, $is_modulateA_done, $A_is_const_FF); | ||
| 616 | print FILE <<__EOF__; | ||
| 617 | ++src; | ||
| 618 | ++dst; | ||
| 619 | } | ||
| 620 | info->src += info->src_pitch; | ||
| 621 | info->dst += info->dst_pitch; | ||
| 622 | } | ||
| 623 | __EOF__ | ||
| 624 | } | ||
| 625 | print FILE <<__EOF__; | ||
| 626 | } | ||
| 627 | |||
| 628 | __EOF__ | ||
| 629 | } | ||
| 630 | |||
| 631 | sub output_copyfunc_h | ||
| 632 | { | ||
| 633 | } | ||
| 634 | |||
| 635 | sub output_copyinc | ||
| 636 | { | ||
| 637 | print FILE <<__EOF__; | ||
| 638 | #include "SDL_blit.h" | ||
| 639 | #include "SDL_blit_auto.h" | ||
| 640 | |||
| 641 | __EOF__ | ||
| 642 | } | ||
| 643 | |||
| 644 | sub output_copyfunctable | ||
| 645 | { | ||
| 646 | print FILE <<__EOF__; | ||
| 647 | SDL_BlitFuncEntry SDL_GeneratedBlitFuncTable[] = { | ||
| 648 | __EOF__ | ||
| 649 | for (my $i = 0; $i <= $#src_formats; ++$i) { | ||
| 650 | my $src = $src_formats[$i]; | ||
| 651 | for (my $j = 0; $j <= $#dst_formats; ++$j) { | ||
| 652 | my $dst = $dst_formats[$j]; | ||
| 653 | for (my $modulate = 0; $modulate <= 1; ++$modulate) { | ||
| 654 | for (my $blend = 0; $blend <= 1; ++$blend) { | ||
| 655 | for (my $scale = 0; $scale <= 1; ++$scale) { | ||
| 656 | if ( $modulate || $blend || $scale ) { | ||
| 657 | print FILE " { SDL_PIXELFORMAT_$src, SDL_PIXELFORMAT_$dst, "; | ||
| 658 | my $flags = ""; | ||
| 659 | my $flag = ""; | ||
| 660 | if ( $modulate ) { | ||
| 661 | $flag = "SDL_COPY_MODULATE_MASK"; | ||
| 662 | if ( $flags eq "" ) { | ||
| 663 | $flags = $flag; | ||
| 664 | } else { | ||
| 665 | $flags = "$flags | $flag"; | ||
| 666 | } | ||
| 667 | } | ||
| 668 | if ( $blend ) { | ||
| 669 | $flag = "SDL_COPY_BLEND_MASK"; | ||
| 670 | if ( $flags eq "" ) { | ||
| 671 | $flags = $flag; | ||
| 672 | } else { | ||
| 673 | $flags = "$flags | $flag"; | ||
| 674 | } | ||
| 675 | } | ||
| 676 | if ( $scale ) { | ||
| 677 | $flag = "SDL_COPY_NEAREST"; | ||
| 678 | if ( $flags eq "" ) { | ||
| 679 | $flags = $flag; | ||
| 680 | } else { | ||
| 681 | $flags = "$flags | $flag"; | ||
| 682 | } | ||
| 683 | } | ||
| 684 | if ( $flags eq "" ) { | ||
| 685 | $flags = "0"; | ||
| 686 | } | ||
| 687 | print FILE "($flags), SDL_CPU_ANY,"; | ||
| 688 | output_copyfuncname("", $src_formats[$i], $dst_formats[$j], $modulate, $blend, $scale, 0, " },\n"); | ||
| 689 | } | ||
| 690 | } | ||
| 691 | } | ||
| 692 | } | ||
| 693 | } | ||
| 694 | } | ||
| 695 | print FILE <<__EOF__; | ||
| 696 | { 0, 0, 0, 0, NULL } | ||
| 697 | }; | ||
| 698 | |||
| 699 | __EOF__ | ||
| 700 | } | ||
| 701 | |||
| 702 | sub output_copyfunc_c | ||
| 703 | { | ||
| 704 | my $src = shift; | ||
| 705 | my $dst = shift; | ||
| 706 | |||
| 707 | for (my $modulate = 0; $modulate <= 1; ++$modulate) { | ||
| 708 | for (my $blend = 0; $blend <= 1; ++$blend) { | ||
| 709 | for (my $scale = 0; $scale <= 1; ++$scale) { | ||
| 710 | if ( $modulate || $blend || $scale ) { | ||
| 711 | output_copyfunc($src, $dst, $modulate, $blend, $scale); | ||
| 712 | } | ||
| 713 | } | ||
| 714 | } | ||
| 715 | } | ||
| 716 | } | ||
| 717 | |||
| 718 | open_file("SDL_blit_auto.h"); | ||
| 719 | output_copydefs(); | ||
| 720 | for (my $i = 0; $i <= $#src_formats; ++$i) { | ||
| 721 | for (my $j = 0; $j <= $#dst_formats; ++$j) { | ||
| 722 | output_copyfunc_h($src_formats[$i], $dst_formats[$j]); | ||
| 723 | } | ||
| 724 | } | ||
| 725 | print FILE "\n"; | ||
| 726 | close_file("SDL_blit_auto.h"); | ||
| 727 | |||
| 728 | open_file("SDL_blit_auto.c"); | ||
| 729 | output_copyinc(); | ||
| 730 | for (my $i = 0; $i <= $#src_formats; ++$i) { | ||
| 731 | for (my $j = 0; $j <= $#dst_formats; ++$j) { | ||
| 732 | output_copyfunc_c($src_formats[$i], $dst_formats[$j]); | ||
| 733 | } | ||
| 734 | } | ||
| 735 | output_copyfunctable(); | ||
| 736 | close_file("SDL_blit_auto.c"); | ||
