[Mesa-dev] How about vulkan status in Mesa

[Tapani Pälli]

On 04/11/2018 10:04 AM, Yuan, Feng wrote:
> 
>> -----Original Message-----
>> From: mesa-dev [mailto:mesa-dev-bounces at lists.freedesktop.org] On Behalf Of
>> Tapani Pälli
>>
>> On 04/11/2018 09:01 AM, Yuan, Feng wrote:
>>> Hi,
>>>
>>> We have an image processing project libxcam
>>> (https://github.com/intel/libxcam/wiki) which has been based on OpenCL
>>> to support amount of features. Recently, we decide to porting kernels
>>> to GLES compute-shader language and based on Vulkan APIs. Certainly
>>> the driver is Mesa.
>>>
>>> There are my questions.
>>>
>>> 1.Which vulkan API versions are supported in Mesa. and which Mesa
>>> version or commit_id is stable.
>>
>> Let's see if I get this correctly :)
>>
>> Vulkan 1.0.57 by Mesa 18.0 and Vulkan 1.1 is supported by the development branch.
> 
> Thanks for your quick reply.
> Which is development branch, the master or 18.0 branch?

master

>>
>>> 2.How mature is Mesa support of GLES compute shaders? We’ll use
>>> storage buffer, share local memory and image samplers. Is there any
>>> known issues we need take care?
>>
>> These should work as specified, if you encounter issues please file bugs and if
>> possible attach a test to the bug that will trigger the issue.
> 
> Thanks.
> 
>>
>>> 3.Besides Linux, how about Android status? We need libxcam run on both
>>> platforms.
>>
>> It *should* work, vulkan is not currently actively tested on Android since it is disabled
>> by default in Android IA build. There are also some known issues with some dEQP
>> tests not passing but I've been running it now and then and many apps such as
>> 3DMark, vulkan samples from Imagination and vulkan examples by SaschaWillems
>> have been working fine.
> 
> Sounds good. BTW I'm fresh for Vulkan. Could you point me where to get vulkan samples
> with source code. The API spec is good but boring. I'd like to learn some good samples before coding.

Well there are lots of tutorials out there .. and they all have their 
own issues and problems so I'd like to avoid pointing to anything.

I've done some experiments on Android and using this project as a base:

https://github.com/googlesamples/android-vulkan-tutorials

// Tapani