zenxfi2: remove lcd yuv blitting code (duplicate from generic) · tsiry-sandratraina.com/rockbox-zig@a235200

-193

1 changed file

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firmware

target

arm

imx233

creative-zenxfi2

lcd-zenxfi2.c

-193

firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c

··· 32 32 #ifdef HAVE_LCD_ENABLE 33 33 static bool lcd_on; 34 34 #endif 35 - static unsigned lcd_yuv_options = 0; 36 35 37 36 static void setup_lcdif(void) 38 37 { ··· 274 273 } 275 274 imx233_lcdif_dma_send((void *)FRAME_PHYS_ADDR, w, h); 276 275 } 277 - 278 - void lcd_yuv_set_options(unsigned options) 279 - { 280 - lcd_yuv_options = options; 281 - } 282 - 283 - #define YFAC (74) 284 - #define RVFAC (101) 285 - #define GUFAC (-24) 286 - #define GVFAC (-51) 287 - #define BUFAC (128) 288 - 289 - static inline int clamp(int val, int min, int max) 290 - { 291 - if (val < min) 292 - val = min; 293 - else if (val > max) 294 - val = max; 295 - return val; 296 - } 297 - 298 - void lcd_blit_yuv(unsigned char * const src[3], 299 - int src_x, int src_y, int stride, 300 - int x, int y, int width, int height) 301 - { 302 - const unsigned char *ysrc, *usrc, *vsrc; 303 - int linecounter; 304 - fb_data *dst, *row_end; 305 - long z; 306 - 307 - /* width and height must be >= 2 and an even number */ 308 - width &= ~1; 309 - linecounter = height >> 1; 310 - 311 - #if LCD_WIDTH >= LCD_HEIGHT 312 - dst = FBADDR(x,y); 313 - row_end = dst + width; 314 - #else 315 - dst = FBADDR(LCD_WIDTH - y - 1,x); 316 - row_end = dst + LCD_WIDTH * width; 317 - #endif 318 - 319 - z = stride * src_y; 320 - ysrc = src[0] + z + src_x; 321 - usrc = src[1] + (z >> 2) + (src_x >> 1); 322 - vsrc = src[2] + (usrc - src[1]); 323 - 324 - /* stride => amount to jump from end of last row to start of next */ 325 - stride -= width; 326 - 327 - /* upsampling, YUV->RGB conversion and reduction to RGB565 in one go */ 328 - 329 - do 330 - { 331 - do 332 - { 333 - int y, cb, cr, rv, guv, bu, r, g, b; 334 - 335 - y = YFAC*(*ysrc++ - 16); 336 - cb = *usrc++ - 128; 337 - cr = *vsrc++ - 128; 338 - 339 - rv = RVFAC*cr; 340 - guv = GUFAC*cb + GVFAC*cr; 341 - bu = BUFAC*cb; 342 - 343 - r = y + rv; 344 - g = y + guv; 345 - b = y + bu; 346 - 347 - if ((unsigned)(r | g | b) > 64*256-1) 348 - { 349 - r = clamp(r, 0, 64*256-1); 350 - g = clamp(g, 0, 64*256-1); 351 - b = clamp(b, 0, 64*256-1); 352 - } 353 - 354 - *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9); 355 - 356 - #if LCD_WIDTH >= LCD_HEIGHT 357 - dst++; 358 - #else 359 - dst += LCD_WIDTH; 360 - #endif 361 - 362 - y = YFAC*(*ysrc++ - 16); 363 - r = y + rv; 364 - g = y + guv; 365 - b = y + bu; 366 - 367 - if ((unsigned)(r | g | b) > 64*256-1) 368 - { 369 - r = clamp(r, 0, 64*256-1); 370 - g = clamp(g, 0, 64*256-1); 371 - b = clamp(b, 0, 64*256-1); 372 - } 373 - 374 - *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9); 375 - 376 - #if LCD_WIDTH >= LCD_HEIGHT 377 - dst++; 378 - #else 379 - dst += LCD_WIDTH; 380 - #endif 381 - } 382 - while (dst < row_end); 383 - 384 - ysrc += stride; 385 - usrc -= width >> 1; 386 - vsrc -= width >> 1; 387 - 388 - #if LCD_WIDTH >= LCD_HEIGHT 389 - row_end += LCD_WIDTH; 390 - dst += LCD_WIDTH - width; 391 - #else 392 - row_end -= 1; 393 - dst -= LCD_WIDTH*width + 1; 394 - #endif 395 - 396 - do 397 - { 398 - int y, cb, cr, rv, guv, bu, r, g, b; 399 - 400 - y = YFAC*(*ysrc++ - 16); 401 - cb = *usrc++ - 128; 402 - cr = *vsrc++ - 128; 403 - 404 - rv = RVFAC*cr; 405 - guv = GUFAC*cb + GVFAC*cr; 406 - bu = BUFAC*cb; 407 - 408 - r = y + rv; 409 - g = y + guv; 410 - b = y + bu; 411 - 412 - if ((unsigned)(r | g | b) > 64*256-1) 413 - { 414 - r = clamp(r, 0, 64*256-1); 415 - g = clamp(g, 0, 64*256-1); 416 - b = clamp(b, 0, 64*256-1); 417 - } 418 - 419 - *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9); 420 - 421 - #if LCD_WIDTH >= LCD_HEIGHT 422 - dst++; 423 - #else 424 - dst += LCD_WIDTH; 425 - #endif 426 - 427 - y = YFAC*(*ysrc++ - 16); 428 - r = y + rv; 429 - g = y + guv; 430 - b = y + bu; 431 - 432 - if ((unsigned)(r | g | b) > 64*256-1) 433 - { 434 - r = clamp(r, 0, 64*256-1); 435 - g = clamp(g, 0, 64*256-1); 436 - b = clamp(b, 0, 64*256-1); 437 - } 438 - 439 - *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9); 440 - 441 - #if LCD_WIDTH >= LCD_HEIGHT 442 - dst++; 443 - #else 444 - dst += LCD_WIDTH; 445 - #endif 446 - } 447 - while (dst < row_end); 448 - 449 - ysrc += stride; 450 - usrc += stride >> 1; 451 - vsrc += stride >> 1; 452 - 453 - #if LCD_WIDTH >= LCD_HEIGHT 454 - row_end += LCD_WIDTH; 455 - dst += LCD_WIDTH - width; 456 - #else 457 - row_end -= 1; 458 - dst -= LCD_WIDTH*width + 1; 459 - #endif 460 - } 461 - while (--linecounter > 0); 462 - 463 - #if LCD_WIDTH >= LCD_HEIGHT 464 - lcd_update_rect(x, y, width, height); 465 - #else 466 - lcd_update_rect(LCD_WIDTH - y - height, x, height, width); 467 - #endif 468 - }

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