This commit adds definitions of format modifiers for version 1.3 of the Arm Framebuffer Compression (AFBC).
Unified · Split
| @@ -581,10 +581,18 @@ extern "C" { · 580 unmodified lines | ||
| 581 | 581 | * Indicates the superblock size(s) used for the AFBC buffer. The buffer |
| 582 | 582 | * size (in pixels) must be aligned to a multiple of the superblock size. |
| 583 | 583 | * Four lowest significant bits(LSBs) are reserved for block size. |
| 584 | + * | |
| 585 | + * Where one superblock size is specified, it applies to all planes of the | |
| 586 | + * buffer (e.g. 16x16, 32x8). When multiple superblock sizes are specified, | |
| 587 | + * the first applies to the Luma plane and the second applies to the Chroma | |
| 588 | + * plane(s). e.g. (32x8_64x4 means 32x8 Luma, with 64x4 Chroma). | |
| 589 | + * Multiple superblock sizes are only valid for multi-plane YCbCr formats. | |
| 584 | 590 | */ |
| 585 | 591 | #define AFBC_FORMAT_MOD_BLOCK_SIZE_MASK 0xf |
| 586 | 592 | #define AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 (1ULL) |
| 587 | 593 | #define AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 (2ULL) |
| 594 | +#define AFBC_FORMAT_MOD_BLOCK_SIZE_64x4 (3ULL) | |
| 595 | +#define AFBC_FORMAT_MOD_BLOCK_SIZE_32x8_64x4 (4ULL) | |
| 588 | 596 | |
| 589 | 597 | /* |
| 590 | 598 | * AFBC lossless colorspace transform |
| @@ -644,6 +652,21 @@ extern "C" { · 53 unmodified lines | ||
| 644 | 652 | */ |
| 645 | 653 | #define AFBC_FORMAT_MOD_SC (1ULL << 9) |
| 646 | 654 | |
| 655 | +/* | |
| 656 | + * AFBC double-buffer | |
| 657 | + * | |
| 658 | + * Indicates that the buffer is allocated in a layout safe for front-buffer | |
| 659 | + * rendering. | |
| 660 | + */ | |
| 661 | +#define AFBC_FORMAT_MOD_DB (1ULL << 10) | |
| 662 | + | |
| 663 | +/* | |
| 664 | + * AFBC buffer content hints | |
| 665 | + * | |
| 666 | + * Indicates that the buffer includes per-superblock content hints. | |
| 667 | + */ | |
| 668 | +#define AFBC_FORMAT_MOD_BCH (1ULL << 11) | |
| 669 | + | |
| 647 | 670 | #if defined(__cplusplus) |
| 648 | 671 | } |
| 649 | 672 | #endif |