On Thu 29 Jun 2017, Jason Ekstrand wrote:
> From: Ben Widawsky <b...@bwidawsk.net>
>
> Previously images did not support any auxiliary compression surfaces
> (CCS, MCS, or HiZ). That's about to change. This patch just adds the
> fields to __DRIimageRec to make auxiliary surfaces possible.
>
> v2 (Jason Ekstrand):
> - Add an aux_pitch parameter as well as aux_offset
>
> Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
> Acked-by: Daniel Stone <dani...@collabora.com>
> Reviewed-by: Topi Pohjolainen <topi.pohjolai...@intel.com>
> ---
> src/mesa/drivers/dri/i965/intel_image.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/intel_image.h
> b/src/mesa/drivers/dri/i965/intel_image.h
> index cf06105..5ac5c31 100644
> --- a/src/mesa/drivers/dri/i965/intel_image.h
> +++ b/src/mesa/drivers/dri/i965/intel_image.h
> @@ -92,6 +92,12 @@ struct __DRIimageRec {
> /** The image was created with EGL_EXT_image_dma_buf_import. */
> bool dma_buf_imported;
>
> + /** Offset of the auxiliary compression surface in the bo. */
> + uint32_t aux_offset;
Just to clarify... is aux_offset relative to the bo's base address, or
relative to __DRIimageRec::offset?
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