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3 commits

Author SHA1 Message Date
Gwenole Beauchesne
011f9bd6cb surface: add support for dma_buf imports. 
Add new gst_vaapi_surface_new_with_dma_buf_handle() helper function
to allow for creating VA surfaces from a foreign DRM PRIME fd. The
resulting VA surface owns the supplied buffer handle.

https://bugzilla.gnome.org/show_bug.cgi?id=735362
 2015-01-28 17:35:16 +01:00
Gwenole Beauchesne
f3c58d4ef4 surface: add support for GEM buffer exports. 
Add support for GEM buffer exports. This will only work with VA drivers
based off libdrm, e.g. the Intel HD Graphics VA driver. This is needed
to support interop with EGL and the "Desktop" GL specification. Indeed,
the EXT_image_dma_buf_import extension is not going to be supported in
Desktop GL, due to the lack of support for GL_TEXTURE_EXTERNAL_OES targets
there.

This is useful for implementing VA/EGL interop with legacy Mesa stacks,
in Desktop OpenGL context.

https://bugzilla.gnome.org/show_bug.cgi?id=736717
 2015-01-28 17:35:16 +01:00
Gwenole Beauchesne
073d6d59e1 surface: add support for dma_buf exports. 
Use the new VA buffer export APIs to allow for a VA surface to be
exposed as a plain PRIME fd. This is in view to simplifying interop
with EGL or OpenCL for instance.

https://bugzilla.gnome.org/show_bug.cgi?id=735364
 2015-01-28 17:35:16 +01:00