“Advanced frame buffer compression”的版本间的差异
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free6d1823（讨论 | 贡献） （以“Supported pixel formats: * 无序列表项 R8 RGB 565 RGB 888 RG88 RGBA4444 RGBA5551 RGBA8888 RGBA10-10-10-2 8-bit YUV420,YUV422 10-bit YUV420, YUV422”为内容创建页面） |
free6d1823（讨论 | 贡献） |
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| （未显示1个用户的1个中间版本） | |||
| 第1行： | 第1行： | ||
Supported pixel formats: | Supported pixel formats: | ||
| − | * | + | *R8 |
| − | R8 | + | *RGB 565 |
| − | RGB 565 | + | *RGB 888 |
| − | RGB 888 | + | *RG88 |
| − | RG88 | + | *RGBA4444 |
| − | RGBA4444 | + | *RGBA5551 |
| − | RGBA5551 | + | *RGBA8888 |
| − | RGBA8888 | + | *RGBA10-10-10-2 |
| − | RGBA10-10-10-2 | + | *8-bit YUV420,YUV422 |
| − | 8-bit YUV420,YUV422 | + | *10-bit YUV420, YUV422 |
| − | 10-bit YUV420, YUV422 | + | |
| + | Header buffer: 128bits. 128 bytes aligned. | ||
| + | Body buffer: | ||
| + | size same as uncompressed. | ||
| + | = no. superblocks * size of uncompressed superblock | ||
| + | header+offse= body address | ||
| + | offset = 32bit (4GB) for RGBYUV422 | ||
| + | 28bit (268MB) for YUV420 | ||
| + | |||
| + | Frame payload: | ||
| + | * Packed mode | ||
| + | * sparse mode | ||
| + | |||
| + | decoder | ||
| + | DRAM＿＿ | ||
| + | Host -> afbc slave -- afbc master --> DRAM | ||
2020年1月2日 (四) 18:01的最后版本
Supported pixel formats:
*R8 *RGB 565 *RGB 888 *RG88 *RGBA4444 *RGBA5551 *RGBA8888 *RGBA10-10-10-2 *8-bit YUV420,YUV422 *10-bit YUV420, YUV422
Header buffer: 128bits. 128 bytes aligned.
Body buffer:
size same as uncompressed.
= no. superblocks * size of uncompressed superblock
header+offse= body address
offset = 32bit (4GB) for RGBYUV422
28bit (268MB) for YUV420
Frame payload:
- Packed mode
- sparse mode
decoder
DRAM＿＿
Host -> afbc slave -- afbc master --> DRAM
