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3 commits

Author SHA1 Message Date
Normunds Rieksts
293ae2ab13 Implement a vendor agnostic wsialloc interface 
Refactors the wsialloc interface in the layer.
This patch ensures that wsialloc interface could be ported
to different GPU architectures and systems that could
have different requirements

Change-Id: I6593f2373abc75fb2074700d156ba3797d7ff058
Signed-off-by: Normunds Rieksts <normunds.rieksts@arm.com>
Signed-off-by: Rosen Zhelev <rosen.zhelev@arm.com>
 2021-07-28 15:39:11 +00:00
Dennis Tsiang
241e05d3e4 Resolve segfault in wsialloc_delete 
A segfault can occur if wsialloc_delete is called but m_wsi_allocator's
ion field has not been allocated yet, as the function attempts to access
the ion properties.

This commit resolves the issue by changing m_wsi_allocator to an opaque
struct and removing the fd property, which was not being used.
wsialloc_new is then changed to return a pointer to the struct and
the swapchain then carries this pointer around, which will be
initialised to nullptr in the swapchain constructor.

Change-Id: I202e967cff4555babf0ddcd387275b74470b09d5
Signed-off-by: Dennis Tsiang <dennis.tsiang@arm.com>
 2021-05-05 15:44:32 +01:00
Iason Paraskevopoulos
8dc4d923ff Adds initial support for VK_KHR_wayland_surface. 
Very basic Wayland support is implemented by importing
memory with VK_EXT_image_drm_format_modifiers.
The current implementation requires an external system
memory allocator. An API for this allocator is defined
in util/wsialloc/wsialloc.h and an implementation using
the ION memory allocator is included.

Outstanding issues:
 * This is an initial prototype for Wayland support and
   has many outstanding TODOs which need addressing to
   properly use the Wayland protocol.
 * Using ICD Exported memory instead of a system allocator
   is not implemented.

Wayland support is still experimental and outstanding issues
will be fixed in future commits.

Change-Id: I1b0d5991e15ff1cf25ebbab3392a631b021e8c17
Signed-off-by: Rosen Zhelev <rosen.zhelev@arm.com>
Signed-off-by: Iason Paraskevopoulos <iason.paraskevopoulos@arm.com>
 2021-02-09 18:22:09 +00:00