Rev 3826 | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 3826 | Rev 3861 | ||
|---|---|---|---|
| Line 370... | Line 370... | ||
| 370 | return false; |
370 | return false; |
| 371 | 371 | ||
| 372 | return true; |
372 | return true; |
| 373 | } |
373 | } |
| 374 | 374 | ||
| - | 375 | #define RED(i) (((i) >> 5) & ((1 << 3) - 1)) |
|
| - | 376 | #define GREEN(i) (((i) >> 3) & ((1 << 2) - 1)) |
|
| - | 377 | #define BLUE(i) ((i) & ((1 << 3) - 1)) |
|
| - | 378 | #define CLIP(i) ((i) <= 255 ? (i) : 255) |
|
| - | 379 | ||
| - | 380 | ||
| 375 | /** |
381 | /** |
| 376 | * Sets up the palette for the 8-bit color depth configuration so that the |
382 | * Sets up the palette for the 8-bit color depth configuration so that the |
| 377 | * 3:2:3 color scheme can be used. Checks that setting the palette makes sense |
383 | * 3:2:3 color scheme can be used. Checks that setting the palette makes sense |
| 378 | * (appropriate nodes exist in the OBP tree and the color depth is not greater |
384 | * (appropriate nodes exist in the OBP tree and the color depth is not greater |
| 379 | * than 8). |
385 | * than 8). |
| 380 | * |
386 | * |
| 381 | * @return true if the palette has been set, false otherwise |
387 | * @return true if the palette has been set, false otherwise |
| - | 388 | * |
|
| 382 | */ |
389 | */ |
| 383 | int setup_palette(void) |
390 | int ofw_setup_palette(void) |
| 384 | { |
391 | { |
| 385 | char device_name[BUF_SIZE]; |
392 | char device_name[BUF_SIZE]; |
| 386 | 393 | ||
| 387 | /* resolve alias */ |
394 | /* resolve alias */ |
| 388 | if (ofw_get_property(ofw_aliases, "screen", device_name, |
395 | if (ofw_get_property(ofw_aliases, "screen", device_name, |
| Line 405... | Line 412... | ||
| 405 | return false; |
412 | return false; |
| 406 | 413 | ||
| 407 | /* setup the palette so that the (inverted) 3:2:3 scheme is usable */ |
414 | /* setup the palette so that the (inverted) 3:2:3 scheme is usable */ |
| 408 | unsigned int i; |
415 | unsigned int i; |
| 409 | for (i = 0; i < 256; i++) |
416 | for (i = 0; i < 256; i++) |
| 410 | if (ofw_call("call-method", 6, 1, NULL, "color!", screen, |
417 | ofw_call("call-method", 6, 1, NULL, "color!", screen, |
| 411 | 255 - i, |
- | |
| 412 | i << 5, |
- | |
| 413 | (i >> 3) << 6, |
- | |
| 414 | (i >> 5) << 5) != 0); |
418 | 255 - i, CLIP(BLUE(i) * 37), GREEN(i) * 85, CLIP(RED(i) * 37)); |
| 415 | return true; |
419 | return true; |
| 416 | } |
420 | } |
| 417 | 421 | ||
| 418 | void ofw_quiesce(void) |
422 | void ofw_quiesce(void) |
| 419 | { |
423 | { |