[Mesa-dev] [PATCH] anv: add function to get prime buffer from memory+image

Daniel Stone daniel at fooishbar.org
Wed Jul 20 11:51:18 UTC 2016

On 20 July 2016 at 13:47, Daniel Stone <daniel at fooishbar.org> wrote:
> On 19 July 2016 at 20:47, Jonathan <jonathan at marek.ca> wrote:
>> +typedef VkResult (VKAPI_PTR *PFN_vkGetDmaBufINTEL)(VkDevice device, VkDeviceMemory mem, VkImage image, int *fd, uint32_t *pitch);
> Some things you should consider adding to this:
>   - multi-plane support for multi-buffer formats (multiple fds,
> multiple pitches, per-plane offset parameter)
>   - an out parameter for format, using the DRM FourCC format codes
>   - out parameters for a DRM modifier per-plane, to account for tiling
> etc (and no longer calling anv_gem_set_tiling)

Oops, hit send too early. Being able to export a VkFence to a kernel
fence fd, as a companion, would also be incredibly helpful.


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