Hey,
On 22 May 2017 at 13:43, Emil Velikov <[email protected]> wrote:
> On 19 May 2017 at 10:37, Daniel Stone <[email protected]> wrote:
>> The EGL_EXT_dma_buf_import_modifiers extension adds support for a
>> fourth plane, just like DRM KMS API does.
>>
>> Bump maximum dma_buf plane count to four.
>
> Patch 1 and 2 are
> Reviewed-by: Emil Velikov <[email protected]>
> Feel free to push instead of constantly rebasing.
>
> Aside:
> AFAICT the EXT_image_dma_buf_import_modifiers extension does not
> mention much about the 4th plane fd/pitch/other properties.
> Might want to add a small note that all they behave just like PLANE0-2
> in EXT_image_dma_buf_import.
There is this, from lines 123-135:
For semi-planar and planar YUV formats, or other formats which require
multiple memory planes, planes 1, 2 and 3 are specified by the following
attributes, which have the same meanings as defined above for plane 0:
* [...]
* EGL_DMA_BUF_PLANE3_FD_EXT
* EGL_DMA_BUF_PLANE3_OFFSET_EXT
* EGL_DMA_BUF_PLANE3_PITCH_EXT
Cheers,
Daniel
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