diff options
Diffstat (limited to 'firmware/target/arm/tcc780x')
-rw-r--r-- | firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c | 87 |
1 files changed, 5 insertions, 82 deletions
diff --git a/firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c b/firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c index 48ae99ddcd..70d823a25b 100644 --- a/firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c +++ b/firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c | |||
@@ -359,88 +359,11 @@ void lcd_yuv_set_options(unsigned options) | |||
359 | } | 359 | } |
360 | 360 | ||
361 | /* Line write helper function for lcd_yuv_blit. Write two lines of yuv420. */ | 361 | /* Line write helper function for lcd_yuv_blit. Write two lines of yuv420. */ |
362 | static void lcd_write_yuv420_lines(fb_data *dst, | 362 | extern void lcd_write_yuv420_lines(fb_data *dst, |
363 | unsigned char const * const src[3], | 363 | unsigned char const * const src[3], |
364 | int width, | 364 | int width, |
365 | int stride) | 365 | int stride); |
366 | { | 366 | |
367 | int i = 0; | ||
368 | int y; | ||
369 | int rv, guv, bu; | ||
370 | int cb, cr; | ||
371 | int r, g, b; | ||
372 | unsigned const char *y_p = src[0]; | ||
373 | |||
374 | for (i = 0; i < width/2; i++) | ||
375 | { | ||
376 | y_p++; | ||
377 | |||
378 | /* YCbCr -> RGB conversion */ | ||
379 | cb = src[1][i] - 128; | ||
380 | cr = src[2][i] - 128; | ||
381 | |||
382 | rv = (cr*101 + 56) >> 9; | ||
383 | guv = (128 - cr*51 + cb*24) >> 8; | ||
384 | bu = (cb*128 + 256) >> 9; | ||
385 | |||
386 | y = (*y_p - 16)*74; | ||
387 | r = (y >> 9) + rv; | ||
388 | g = (y >> 8) + guv; | ||
389 | b = (y >> 9) + bu; | ||
390 | if (r < 0) r = 0; | ||
391 | else if (r > 31) r = 31; | ||
392 | if (g < 0) g = 0; | ||
393 | else if (g > 63) g = 63; | ||
394 | if (b < 0) b = 0; | ||
395 | else if (b > 31) b = 31; | ||
396 | |||
397 | dst[i*2] = (r << 11) | (g << 5) | b; | ||
398 | |||
399 | /* YCbCr -> RGB conversion */ | ||
400 | y = (*(y_p+stride) - 16)*74; | ||
401 | r = (y >> 9) + rv; | ||
402 | g = (y >> 8) + guv; | ||
403 | b = (y >> 9) + bu; | ||
404 | if (r < 0) r = 0; | ||
405 | else if (r > 31) r = 31; | ||
406 | if (g < 0) g = 0; | ||
407 | else if (g > 63) g = 63; | ||
408 | if (b < 0) b = 0; | ||
409 | else if (b > 31) b = 31; | ||
410 | |||
411 | dst[i*2+LCD_FBWIDTH] = (r << 11) | (g << 5) | b; | ||
412 | |||
413 | y_p++; | ||
414 | |||
415 | /* YCbCr -> RGB conversion */ | ||
416 | y = (*y_p - 16)*74; | ||
417 | r = (y >> 9) + rv; | ||
418 | g = (y >> 8) + guv; | ||
419 | b = (y >> 9) + bu; | ||
420 | if (r < 0) r = 0; | ||
421 | else if (r > 31) r = 31; | ||
422 | if (g < 0) g = 0; | ||
423 | else if (g > 63) g = 63; | ||
424 | if (b < 0) b = 0; | ||
425 | else if (b > 31) b = 31; | ||
426 | |||
427 | dst[i*2+1] = (r << 11) | (g << 5) | b; | ||
428 | |||
429 | /* YCbCr -> RGB conversion */ | ||
430 | y = (*(y_p+stride) - 16)*74; | ||
431 | r = (y >> 9) + rv; | ||
432 | g = (y >> 8) + guv; | ||
433 | b = (y >> 9) + bu; | ||
434 | if (r < 0) r = 0; | ||
435 | else if (r > 31) r = 31; | ||
436 | if (g < 0) g = 0; | ||
437 | else if (g > 63) g = 63; | ||
438 | if (b < 0) b = 0; | ||
439 | else if (b > 31) b = 31; | ||
440 | |||
441 | dst[i*2+1+LCD_FBWIDTH] = (r << 11) | (g << 5) | b; | ||
442 | } | ||
443 | } | ||
444 | extern void lcd_write_yuv420_lines_odither(fb_data *dst, | 367 | extern void lcd_write_yuv420_lines_odither(fb_data *dst, |
445 | unsigned char const * const src[3], | 368 | unsigned char const * const src[3], |
446 | int width, | 369 | int width, |